Commit Graph

1053 Commits

Author SHA1 Message Date
Niklas Cassel
a09b440af8 soc: qcom: Remove bogus depends on OF from QCOM_SMD_RPM
QCOM_SMD_RPM builds perfectly fine without CONFIG_OF set.
Remove the bogus depends on OF.

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:35 -05:00
Niklas Cassel
0a5cdb4138 soc: qcom: smsm: Add select IRQ_DOMAIN
Since we are using irq_domain_add_linear(), add a select on IRQ_DOMAIN.
This is needed in order to be able to remove the depends on ARCH_QCOM.

drivers/soc/qcom/smsm.c: In function ‘smsm_inbound_entry’:
drivers/soc/qcom/smsm.c:411:18: error: implicit declaration of function
  ‘irq_domain_add_linear’
  entry->domain = irq_domain_add_linear(node, 32, &smsm_irq_ops, entry);
                  ^~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:34 -05:00
Niklas Cassel
810f11a9cb soc: qcom: smp2p: Add select IRQ_DOMAIN
Since we are using irq_domain_add_linear(), add a select on IRQ_DOMAIN.
This is needed in order to be able to remove the depends on ARCH_QCOM.

drivers/soc/qcom/smp2p.c: In function ‘qcom_smp2p_inbound_entry’:
drivers/soc/qcom/smp2p.c:317:18: error: implicit declaration of function
  ‘irq_domain_add_linear’
  entry->domain = irq_domain_add_linear(node, 32, &smp2p_irq_ops, entry);
                  ^~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:34 -05:00
Niklas Cassel
da8eaf9a6c soc: qcom: llcc-slice: Add missing include of sizes.h
Add missing include of sizes.h.

drivers/soc/qcom/llcc-slice.c: In function ‘llcc_update_act_ctrl’:
drivers/soc/qcom/llcc-slice.c:41:44: error: ‘SZ_4K’ undeclared
 #define LLCC_TRP_ACT_CTRLn(n)         (n * SZ_4K)
                                            ^~~~~

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:33 -05:00
Niklas Cassel
9487e2ab10 soc: qcom: smem: Add missing include of sizes.h
Add missing include of sizes.h.

drivers/soc/qcom/smem.c: In function ‘qcom_smem_get_ptable’:
drivers/soc/qcom/smem.c:666:64: error: ‘SZ_4K’ undeclared
  ptable = smem->regions[0].virt_base + smem->regions[0].size - SZ_4K;
                                                                ^~~~~

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:32 -05:00
Colin Ian King
35aac0ba88 soc: qcom: apr: fix spelling mistake: "paket" -> "packet"
Trivial fix to spelling mistake in dev_err message text

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:32 -05:00
Douglas Anderson
867d4aa701 soc: qcom: geni: geni_se_clk_freq_match() should always accept multiples
The geni_se_clk_freq_match() has some strange semantics.  Specifically
it is defined with two modes:
1. It can find a clock that's an exact multiple of the requested rate
2. It can find a non-exact match but it can't handle multiples then

...but callers should always be able to handle a clock that is a
multiple of the requested clock so mode #2 doesn't really make sense.
Let's change the semantics so that the non-exact match can also accept
multiples and then change the code to handle that.

The only caller of this code is the unlanded SPI driver [1] which
currently passes "exact = True", thus it should be safe to change the
semantics in this way.  ...and, in fact, the SPI driver should likely
be modified to pass "exact = False" (with the new semantics) since
that will allow it to work with SPI devices that request a clock rate
that doesn't exactly match a rate we can make.

[1] https://lkml.kernel.org/r/1535107336-2214-1-git-send-email-dkota@codeaurora.org

Fixes: eddac5af06 ("soc: qcom: Add GENI based QUP Wrapper driver")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 15:54:21 -05:00
Douglas Anderson
e11bbcedec soc: qcom: geni: Don't ignore clk_round_rate() errors in geni_se_clk_tbl_get()
The function clk_round_rate() is defined to return a "long", not an
"unsigned long".  That's because it might return a negative error
code.  Change the call in geni_se_clk_tbl_get() to check for errors.

While we're at it, get rid of a useless init of "freq".

NOTE: overall the idea that we should iterate over clk_round_rate() to
try to reconstruct a table already present in the clock driver is
questionable.  Specifically:
- This method relies on "clk_round_rate()" rounding up.
- This method only works if the table is sorted and has no duplicates.
...this patch doesn't try to fix those problems, it just makes the
error handling more correct.

Fixes: eddac5af06 ("soc: qcom: Add GENI based QUP Wrapper driver")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 15:54:21 -05:00
Venkata Narendra Kumar Gutta
c081f3060f soc: qcom: Add support to register LLCC EDAC driver
Cache error reporting controller detects and reports single and
double bit errors on Last Level Cache Controller (LLCC) cache.
Add required support to register LLCC EDAC driver as platform driver,
from LLCC driver.

Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 15:53:58 -05:00
Venkata Narendra Kumar Gutta
7f9c136216 soc: qcom: Add broadcast base for Last Level Cache Controller (LLCC)
Currently, broadcast base is set to end of the LLCC banks, which may
not be correct always. As the number of banks may vary for each chipset
and the broadcast base could be at a different address as well. This info
depends on the chipset, so get the broadcast base info from the device
tree (DT). Add broadcast base in LLCC driver and use this for broadcast
writes.

Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 15:53:51 -05:00
Maxime Jourdan
d4983983d9 soc: amlogic: add meson-canvas driver
Amlogic SoCs have a repository of 256 canvas which they use to
describe pixel buffers.

They contain metadata like width, height, block mode, endianness [..]

Many IPs within those SoCs like vdec/vpu rely on those canvas to read/write
pixels.

Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2018-09-12 21:38:45 -07:00
Paul Kocialkowski
4f8ab30287 drivers: soc: Allow building the sunxi driver without ARCH_SUNXI
This makes it possible to build the sunxi SRAM driver without building
for the sunxi architecture. This allows selecting the driver when
building the kernel in testing environments.

In particular, this is necessary for testing of the Cedrus driver, that
selects the sunxi SRAM driver.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
2018-09-12 22:40:00 +08:00
Fabrizio Castro
2bab3d8012 soc: renesas: Identify RZ/G2E
Add support for identifying the RZ/G2E (r8a774c0) SoC.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-09-12 10:19:52 +02:00
Kuninori Morimoto
41c4567ce2 soc: renesas: convert to SPDX identifiers
This patch updates license to use SPDX-License-Identifier
instead of verbose license text.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-09-12 10:19:51 +02:00
Biju Das
3116d859e7 soc: renesas: rcar-rst: Add support for RZ/G2M
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-09-12 10:19:51 +02:00
Biju Das
7f0e99cc91 soc: renesas: rcar-sysc: Add r8a774a1 support
Add support for RZ/G2M (R8A774A1) SoC power areas to the R-Car SYSC
driver.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-09-12 10:19:06 +02:00
Sven Schmitt
b0682d485f soc: imx: gpc: use GPC_PGC_DOMAIN_* indexes
Use GPC_PGC_DOMAIN_* indexes consistent.

Signed-off-by: Sven Schmitt <sven.schmitt@mixed-mode.de>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-09-03 12:25:07 +08:00
Sven Schmitt
9f4d61d531 soc: imx: gpc: fix PDN delay
imx6_pm_domain_power_off() reads iso and iso2sw from GPC_PGC_PUPSCR_OFFS
which stores the power up delays.
So use GPC_PGC_PDNSCR_OFFS for the correct delays.

Signed-off-by: Sven Schmitt <sven.schmitt@mixed-mode.de>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-09-03 12:25:06 +08:00
Colin Ian King
afa86d264a soc: fsl: dpio: remove redundant pointer 'priv'
Pointer 'priv' is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
variable 'priv' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-08-30 12:19:02 -05:00
Rob Herring
f55f61225a soc: fsl/qe: Use of_get_child_by_name helper
Use the of_get_child_by_name() helper instead of open coding searching
for the 'firmware' child node. This removes directly accessing the name
pointer as well.

Cc: Qiang Zhao <qiang.zhao@nxp.com>
Cc: Li Yang <leoyang.li@nxp.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-08-30 12:01:28 -05:00
Chris Brandt
175f435f44 soc: renesas: identify RZ/A2
Add support for identifying the RZ/A2M (R7S9210) SoC.
Also add support for reading the BSID register which is a different format
than the PRR.

Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-08-27 15:06:42 +02:00
Biju Das
2a4056a759 soc: renesas: Identify RZ/G2M
This patch adds support for identifying the RZ/G2M (r8a774a1) SoC.
It corrects the original RZ/G SoC family name to RZ/G1 and also
adds support for the new RZ/G2 SoC family.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-08-27 15:06:41 +02:00
Aapo Vienamo
4a37f11c8f soc/tegra: pmc: Implement pad configuration via pinctrl
Register a pinctrl device and implement get and set functions for
PIN_CONFIG_LOW_POWER_MODE and PIN_CONFIG_POWER_SOURCE parameters.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-08-27 12:25:18 +02:00
Aapo Vienamo
fccf0f76ec soc/tegra: pmc: Remove public pad voltage APIs
Make tegra_io_pad_set_voltage() and tegra_io_pad_get_voltage() static
and remove the prototypes from pmc.h. Remove enum tegra_io_pad_voltage
and use the defines from <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
instead.

These functions aren't used outside of the pmc driver and new use cases
should use the pinctrl interface instead.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-08-27 12:25:18 +02:00
Aapo Vienamo
437c4f26f4 soc/tegra: pmc: Use X macro to generate IO pad tables
Refactor the IO pad tables into macro tables so that they can be reused
to generate pinctrl pin descriptors. Also add a name field which is
needed by pinctrl.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-08-27 12:25:17 +02:00
Aapo Vienamo
f142b9d646 soc/tegra: pmc: Implement tegra_io_pad_is_powered()
Implement a function to query whether a pad is in deep power down mode.
This is needed by the pinctrl callbacks.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-08-27 12:25:17 +02:00
Aapo Vienamo
00ead3c913 soc/tegra: pmc: Factor out DPD register bit calculation
Factor out the the code to calculate the correct DPD register and bit
number for a given pad. This logic will be needed to query the status
register.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-08-27 12:25:17 +02:00
Aapo Vienamo
13136a47a0 soc/tegra: pmc: Fix pad voltage configuration for Tegra186
Implement support for the PMC_IMPL_E_33V_PWR register which replaces
PMC_PWR_DET register interface of the SoC generations preceding
Tegra186. Also add the voltage bit offsets to the tegra186_io_pads[]
table and the AO_HV pad.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-08-27 12:25:17 +02:00
Johan Hovold
1dc6bd5e39 soc/tegra: pmc: Fix child-node lookup
Fix child-node lookup during probe, which ended up searching the whole
device tree depth-first starting at the parent rather than just matching
on its children.

To make things worse, the parent pmc node could end up being prematurely
freed as of_find_node_by_name() drops a reference to its first argument.

Fixes: 3568df3d31 ("soc: tegra: Add thermal reset (thermtrip) support to PMC")
Cc: stable <stable@vger.kernel.org>     # 4.0
Cc: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-08-27 12:25:09 +02:00
Linus Torvalds
2f34a64aea ARM: Device-tree updates
Business as usual -- the bulk of our changes are to devicetree files
 with new hardware support, new SoCs and platforms, and new board types.
 
 New SoCs/platforms:
  - Raspberry Pi Compute Module (CM1) and IO board
  - i.MX6SSL from NXP
  - Renesas RZ/N1D SoC (R9A06G032), Dual Cortex-A7 with Ethernet, CAN and
    PLC interfaces
  - TI AM654 SoC, Quad Cortex-A53, safety subsystem with Cortex-R5
    controllers, communication and PRU subsystem and lots of other
    interfaces (PCIe, USB3, etc).
 
 New boards and systems:
  - Several Atmel at91-based boards from Laird
  - Marvell Armada388-based Helios4 board from SolidRun
  - Samsung Aires-based phones (s5pv210)
  - Allwinner A64-based Pinebook laptop
 
 In addition to the above, there's the usual amount of new devices
 described on existing platforms, fixes and tweaks and new minor variants
 of boards/platforms.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM device-tree updates from Olof Johansson:
 "Business as usual -- the bulk of our changes are to devicetree files
  with new hardware support, new SoCs and platforms, and new board
  types.

  New SoCs/platforms:
   - Raspberry Pi Compute Module (CM1) and IO board
   - i.MX6SSL from NXP
   - Renesas RZ/N1D SoC (R9A06G032), Dual Cortex-A7 with Ethernet, CAN
     and PLC interfaces
   - TI AM654 SoC, Quad Cortex-A53, safety subsystem with Cortex-R5
     controllers, communication and PRU subsystem and lots of other
     interfaces (PCIe, USB3, etc).

  New boards and systems:
   - Several Atmel at91-based boards from Laird
   - Marvell Armada388-based Helios4 board from SolidRun
   - Samsung Aires-based phones (s5pv210)
   - Allwinner A64-based Pinebook laptop

  In addition to the above, there's the usual amount of new devices
  described on existing platforms, fixes and tweaks and new minor
  variants of boards/platforms"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (478 commits)
  arm64: dts: sdm845: Add tsens nodes
  arm64: dts: msm8996: thermal: Initialise via DT and add second controller
  arm64: dts: sprd: Add one suspend timer
  arm64: dts: sprd: Add SC27XX ADC device
  arm64: dts: sprd: Add SC27XX eFuse device
  arm64: dts: sprd: Add SC27XX vibrator device
  arm64: dts: sprd: Add SC27XX breathing light controller device
  arm64: dts: meson-axg: add spdif-dit codec
  arm64: dts: meson-axg: add lineout codec
  arm64: dts: meson-axg: add linein codec
  arm64: dts: meson-axg: add tdm interfaces
  arm64: dts: meson-axg: add tdmout formatters
  arm64: dts: meson-axg: add tdmin formatters
  arm64: dts: meson-axg: add spdifout
  arm64: dts: rockchip: add led support for Firefly-RK3399
  arm64: dts: rockchip: remove deprecated Type-C PHY properties on rk3399
  arm64: dts: rockchip: add power button support for Firefly-RK3399
  ARM: dts: aspeed: Add coprocessor interrupt controller
  arm64: dts: meson-axg: add audio arb reset controller
  arm64: dts: meson-axg: add usb power regulator
  ...
2018-08-23 14:02:22 -07:00
Linus Torvalds
f3ea496213 ARM: SoC driver updates
Some of the larger changes this merge window:
  - Removal of drivers for Exynos5440, a Samsung SoC that never saw
    widespread use.
  - Uniphier support for USB3 and SPI reset handling
  - Syste control and SRAM drivers and bindings for Allwinner platforms
  - Qualcomm AOSS (Always-on subsystem) reset controller drivers
  - Raspberry Pi hwmon driver for voltage
  - Mediatek pwrap (pmic) support for MT6797 SoC
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Some of the larger changes this merge window:

   - Removal of drivers for Exynos5440, a Samsung SoC that never saw
     widespread use.

   - Uniphier support for USB3 and SPI reset handling

   - Syste control and SRAM drivers and bindings for Allwinner platforms

   - Qualcomm AOSS (Always-on subsystem) reset controller drivers

   - Raspberry Pi hwmon driver for voltage

   - Mediatek pwrap (pmic) support for MT6797 SoC"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (52 commits)
  drivers/firmware: psci_checker: stash and use topology_core_cpumask for hotplug tests
  soc: fsl: cleanup Kconfig menu
  soc: fsl: dpio: Convert DPIO documentation to .rst
  staging: fsl-mc: Remove remaining files
  staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl
  staging: fsl-dpaa2: eth: move generic FD defines to DPIO
  soc: fsl: qe: gpio: Add qe_gpio_set_multiple
  usb: host: exynos: Remove support for Exynos5440
  clk: samsung: Remove support for Exynos5440
  soc: sunxi: Add the A13, A23 and H3 system control compatibles
  reset: uniphier: add reset control support for SPI
  cpufreq: exynos: Remove support for Exynos5440
  ata: ahci-platform: Remove support for Exynos5440
  soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
  soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs
  soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs
  soc: mediatek: pwrap: fix cipher init setting error
  dt-bindings: pwrap: mediatek: add pwrap support for MT6797
  reset: uniphier: add USB3 core reset control
  dt-bindings: reset: uniphier: add USB3 core reset support
  ...
2018-08-23 13:52:46 -07:00
Linus Torvalds
9e259f9352 ARM: 32-bit SoC platform updates
Most of the SoC updates in this cycle are cleanups and moves to more
 modern infrastructure:
  - Davinci was moved to common clock framework
  - OMAP1-based Amstrad E3 "Superphone" saw a bunch of cleanups to the
    keyboard interface (bitbanged AT keyboard via GPIO).
  - Removal of some stale code for Renesas platforms
  - Power management improvements for i.MX6LL
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM 32-bit SoC platform updates from Olof Johansson:
 "Most of the SoC updates in this cycle are cleanups and moves to more
  modern infrastructure:

   - Davinci was moved to common clock framework

   - OMAP1-based Amstrad E3 "Superphone" saw a bunch of cleanups to the
     keyboard interface (bitbanged AT keyboard via GPIO).

   - Removal of some stale code for Renesas platforms

   - Power management improvements for i.MX6LL"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (112 commits)
  ARM: uniphier: select RESET_CONTROLLER
  arm64: uniphier: select RESET_CONTROLLER
  ARM: uniphier: remove empty Makefile
  ARM: exynos: Clear global variable on init error path
  ARM: exynos: Remove outdated maintainer information
  ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15
  ARM: shmobile: r8a7779: hide unused r8a7779_platform_cpu_kill
  soc: r9a06g032: don't build SMP files for non-SMP config
  ARM: shmobile: Add the R9A06G032 SMP enabler driver
  ARM: at91: pm: configure wakeup sources for ULP1 mode
  ARM: at91: pm: add PMC fast startup registers defines
  ARM: at91: pm: Add ULP1 mode support
  ARM: at91: pm: Use ULP0 naming instead of slow clock
  ARM: hisi: handle of_iomap and fix missing of_node_put
  ARM: hisi: check of_iomap and fix missing of_node_put
  ARM: hisi: fix error handling and missing of_node_put
  ARM: mx5: Set the DBGEN bit in ARM_GPC register
  ARM: imx51: Configure M4IF to avoid visual artifacts
  ARM: imx: call imx6sx_cpuidle_init() conditionally for 6sll
  ARM: imx: fix i.MX6SLL build
  ...
2018-08-23 13:44:43 -07:00
Linus Torvalds
c54fc8658b remoteproc updates for v4.19
This adds support for pre-start and post-shutdown hooks for remoteproc
 subdevices, refactors the Qualcomm Hexagon support to allow reuse
 between several drivers, makes authentication in the MDT file loader
 optional, migrates a few format strings to use %pK and migrates the
 Davinci driver to use the reset framework.
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Merge tag 'rproc-v4.19' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This adds support for pre-start and post-shutdown hooks for remoteproc
  subdevices, refactors the Qualcomm Hexagon support to allow reuse
  between several drivers, makes authentication in the MDT file loader
  optional, migrates a few format strings to use %pK and migrates the
  Davinci driver to use the reset framework"

* tag 'rproc-v4.19' of git://github.com/andersson/remoteproc:
  remoteproc/davinci: use the reset framework
  remoteproc/davinci: Mark error recovery as disabled
  remoteproc: st_slim: replace "%p" with "%pK"
  remoteproc: replace "%p" with "%pK"
  remoteproc: qcom: fix Q6V5_WCSS dependencies
  remoteproc: Reset table_ptr in rproc_start() failure paths
  remoteproc: qcom: q6v5-pil: fix modem hang on SDM845 after axis2 clk unvote
  remoteproc: qcom q6v5: fix modular build
  remoteproc: Introduce prepare and unprepare for subdevices
  remoteproc: rename subdev probe and remove functions
  remoteproc: Make client initialize ops in rproc_subdev
  remoteproc: Make start and stop in subdev optional
  remoteproc: Rename subdev functions to start/stop
  remoteproc: qcom: Introduce Hexagon V5 based WCSS driver
  remoteproc: qcom: q6v5-pil: Use common q6v5 helpers
  remoteproc: qcom: adsp: Use common q6v5 helpers
  remoteproc: q6v5: Extract common resource handling
  remoteproc: qcom: mdt_loader: Make the firmware authentication optional
2018-08-18 16:42:04 -07:00
Linus Torvalds
b018fc9800 Power management updates for 4.19-rc1
- Add a new framework for CPU idle time injection (Daniel Lezcano).
 
  - Add AVS support to the armada-37xx cpufreq driver (Gregory CLEMENT).
 
  - Add support for current CPU frequency reporting to the ACPI CPPC
    cpufreq driver (George Cherian).
 
  - Rework the cooling device registration in the imx6q/thermal
    driver (Bastian Stender).
 
  - Make the pcc-cpufreq driver refuse to work with dynamic
    scaling governors on systems with many CPUs to avoid
    scalability issues with it (Rafael Wysocki).
 
  - Fix the intel_pstate driver to report different maximum CPU
    frequencies on systems where they really are different and to
    ignore the turbo active ratio if hardware-managend P-states (HWP)
    are in use; make it use the match_string() helper (Xie Yisheng,
    Srinivas Pandruvada).
 
  - Fix a minor deferred probe issue in the qcom-kryo cpufreq
    driver (Niklas Cassel).
 
  - Add a tracepoint for the tracking of frequency limits changes
    (from Andriod) to the cpufreq core (Ruchi Kandoi).
 
  - Fix a circular lock dependency between CPU hotplug and sysfs
    locking in the cpufreq core reported by lockdep (Waiman Long).
 
  - Avoid excessive error reports on driver registration failures
    in the ARM cpuidle driver (Sudeep Holla).
 
  - Add a new device links flag to the driver core to make links go
    away automatically on supplier driver removal (Vivek Gautam).
 
  - Eliminate potential race condition between system-wide power
    management transitions and system shutdown (Pingfan Liu).
 
  - Add a quirk to save NVS memory on system suspend for the ASUS
    1025C laptop (Willy Tarreau).
 
  - Make more systems use suspend-to-idle (instead of ACPI S3) by
    default (Tristian Celestin).
 
  - Get rid of stack VLA usage in the low-level hibernation code on
    64-bit x86 (Kees Cook).
 
  - Fix error handling in the hibernation core and mark an expected
    fall-through switch in it (Chengguang Xu, Gustavo Silva).
 
  - Extend the generic power domains (genpd) framework to support
    attaching a device to a power domain by name (Ulf Hansson).
 
  - Fix device reference counting and user limits initialization in
    the devfreq core (Arvind Yadav, Matthias Kaehlcke).
 
  - Fix a few issues in the rk3399_dmc devfreq driver and improve its
    documentation (Enric Balletbo i Serra, Lin Huang, Nick Milner).
 
  - Drop a redundant error message from the exynos-ppmu devfreq driver
    (Markus Elfring).
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Merge tag 'pm-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add a new framework for CPU idle time injection, to be used by
  all of the idle injection code in the kernel in the future, fix some
  issues and add a number of relatively small extensions in multiple
  places.

  Specifics:

   - Add a new framework for CPU idle time injection (Daniel Lezcano).

   - Add AVS support to the armada-37xx cpufreq driver (Gregory
     CLEMENT).

   - Add support for current CPU frequency reporting to the ACPI CPPC
     cpufreq driver (George Cherian).

   - Rework the cooling device registration in the imx6q/thermal driver
     (Bastian Stender).

   - Make the pcc-cpufreq driver refuse to work with dynamic scaling
     governors on systems with many CPUs to avoid scalability issues
     with it (Rafael Wysocki).

   - Fix the intel_pstate driver to report different maximum CPU
     frequencies on systems where they really are different and to
     ignore the turbo active ratio if hardware-managend P-states (HWP)
     are in use; make it use the match_string() helper (Xie Yisheng,
     Srinivas Pandruvada).

   - Fix a minor deferred probe issue in the qcom-kryo cpufreq driver
     (Niklas Cassel).

   - Add a tracepoint for the tracking of frequency limits changes (from
     Andriod) to the cpufreq core (Ruchi Kandoi).

   - Fix a circular lock dependency between CPU hotplug and sysfs
     locking in the cpufreq core reported by lockdep (Waiman Long).

   - Avoid excessive error reports on driver registration failures in
     the ARM cpuidle driver (Sudeep Holla).

   - Add a new device links flag to the driver core to make links go
     away automatically on supplier driver removal (Vivek Gautam).

   - Eliminate potential race condition between system-wide power
     management transitions and system shutdown (Pingfan Liu).

   - Add a quirk to save NVS memory on system suspend for the ASUS 1025C
     laptop (Willy Tarreau).

   - Make more systems use suspend-to-idle (instead of ACPI S3) by
     default (Tristian Celestin).

   - Get rid of stack VLA usage in the low-level hibernation code on
     64-bit x86 (Kees Cook).

   - Fix error handling in the hibernation core and mark an expected
     fall-through switch in it (Chengguang Xu, Gustavo Silva).

   - Extend the generic power domains (genpd) framework to support
     attaching a device to a power domain by name (Ulf Hansson).

   - Fix device reference counting and user limits initialization in the
     devfreq core (Arvind Yadav, Matthias Kaehlcke).

   - Fix a few issues in the rk3399_dmc devfreq driver and improve its
     documentation (Enric Balletbo i Serra, Lin Huang, Nick Milner).

   - Drop a redundant error message from the exynos-ppmu devfreq driver
     (Markus Elfring)"

* tag 'pm-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (35 commits)
  PM / reboot: Eliminate race between reboot and suspend
  PM / hibernate: Mark expected switch fall-through
  cpufreq: intel_pstate: Ignore turbo active ratio in HWP
  cpufreq: Fix a circular lock dependency problem
  cpu/hotplug: Add a cpus_read_trylock() function
  x86/power/hibernate_64: Remove VLA usage
  cpufreq: trace frequency limits change
  cpufreq: intel_pstate: Show different max frequency with turbo 3 and HWP
  cpufreq: pcc-cpufreq: Disable dynamic scaling on many-CPU systems
  cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER
  cpufreq / CPPC: Add cpuinfo_cur_freq support for CPPC
  cpufreq: armada-37xx: Add AVS support
  dt-bindings: marvell: Add documentation for the Armada 3700 AVS binding
  PM / devfreq: rk3399_dmc: Fix duplicated opp table on reload.
  PM / devfreq: Init user limits from OPP limits, not viceversa
  PM / devfreq: rk3399_dmc: fix spelling mistakes.
  PM / devfreq: rk3399_dmc: do not print error when get supply and clk defer.
  dt-bindings: devfreq: rk3399_dmc: move interrupts to be optional.
  PM / devfreq: rk3399_dmc: remove wait for dcf irq event.
  dt-bindings: clock: add rk3399 DDR3 standard speed bins.
  ...
2018-08-14 13:12:24 -07:00
Rafael J. Wysocki
17bc3432e3 Merge branches 'pm-core', 'pm-domains', 'pm-sleep', 'acpi-pm' and 'pm-cpuidle'
Merge changes in the PM core, system-wide PM infrastructure, generic
power domains (genpd) framework, ACPI PM infrastructure and cpuidle
for 4.19.

* pm-core:
  driver core: Add flag to autoremove device link on supplier unbind
  driver core: Rename flag AUTOREMOVE to AUTOREMOVE_CONSUMER

* pm-domains:
  PM / Domains: Introduce dev_pm_domain_attach_by_name()
  PM / Domains: Introduce option to attach a device by name to genpd
  PM / Domains: dt: Add a power-domain-names property

* pm-sleep:
  PM / reboot: Eliminate race between reboot and suspend
  PM / hibernate: Mark expected switch fall-through
  x86/power/hibernate_64: Remove VLA usage
  PM / hibernate: cast PAGE_SIZE to int when comparing with error code

* acpi-pm:
  ACPI / PM: save NVS memory for ASUS 1025C laptop
  ACPI / PM: Default to s2idle in all machines supporting LP S0

* pm-cpuidle:
  ARM: cpuidle: silence error on driver registration failure
2018-08-14 09:48:10 +02:00
Mark Brown
d22d59362b
Merge branch 'regulator-4.19' into regulator-next 2018-08-10 17:31:24 +01:00
Olof Johansson
afd3e3dad6 Qualcomm ARM64 Updates for v4.19 - Part 2
* Add thermal nodes for MSM8996 and SDM845
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Merge tag 'qcom-arm64-for-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/dt

Qualcomm ARM64 Updates for v4.19 - Part 2

* Add thermal nodes for MSM8996 and SDM845

* tag 'qcom-arm64-for-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux: (21 commits)
  arm64: dts: sdm845: Add tsens nodes
  arm64: dts: msm8996: thermal: Initialise via DT and add second controller
  soc: qcom: rmtfs-mem: fix memleak in probe error paths
  soc: qcom: llc-slice: Add missing MODULE_LICENSE()
  drivers: qcom: rpmh: fix unwanted error check for get_tcs_of_type()
  drivers: qcom: rpmh-rsc: fix the loop index check in get_req_from_tcs
  firmware: qcom: scm: add a dummy qcom_scm_assign_mem()
  drivers: qcom: rpmh-rsc: Check cmd_db_ready() to help children
  drivers: qcom: rpmh-rsc: allow active requests from wake TCS
  drivers: qcom: rpmh: add support for batch RPMH request
  drivers: qcom: rpmh: allow requests to be sent asynchronously
  drivers: qcom: rpmh: cache sleep/wake state requests
  drivers: qcom: rpmh-rsc: allow invalidation of sleep/wake TCS
  drivers: qcom: rpmh-rsc: write sleep/wake requests to TCS
  drivers: qcom: rpmh: add RPMH helper functions
  drivers: qcom: rpmh-rsc: log RPMH requests in FTRACE
  dt-bindings: introduce RPMH RSC bindings for Qualcomm SoCs
  drivers: qcom: rpmh-rsc: add RPMH controller for QCOM SoCs
  drivers: soc: Add LLCC driver
  dt-bindings: Documentation for qcom, llcc
  ...
2018-08-04 11:02:54 -07:00
Olof Johansson
29ed45fff0 - add pmic wrapper support for mt6797
- pmic wrapper fix chiper init
 - add support for pmic mt6351
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Merge tag 'v4.18-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/drivers

- add pmic wrapper support for mt6797
- pmic wrapper fix chiper init
- add support for pmic mt6351

* tag 'v4.18-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
  soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs
  soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs
  soc: mediatek: pwrap: fix cipher init setting error
  dt-bindings: pwrap: mediatek: add pwrap support for MT6797

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-26 13:08:01 -07:00
Olof Johansson
1ca8c0a763 Various updates to soc/fsl for 4.19
Moves DPAA2 DPIO driver from staging to fsl/soc
 Adds multiple-pin support to QE gpio driver
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Merge tag 'soc-fsl-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into next/drivers

Various updates to soc/fsl for 4.19

Moves DPAA2 DPIO driver from staging to fsl/soc
Adds multiple-pin support to QE gpio driver

* tag 'soc-fsl-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: cleanup Kconfig menu
  soc: fsl: dpio: Convert DPIO documentation to .rst
  staging: fsl-mc: Remove remaining files
  staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl
  staging: fsl-dpaa2: eth: move generic FD defines to DPIO
  soc: fsl: qe: gpio: Add qe_gpio_set_multiple

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-26 00:12:56 -07:00
Olof Johansson
92f06c384b Allwinner drivers changes for 4.19
There's been work for this release cycles in both the SRAM controller
 driver in order to support more SoCs, as part of our VPU work, but also to
 enable the EMAC on the A64 (that needs to poke at registers within the same
 register space).
 
 Some work has been needed too to represent the bus to the display engine
 controllers that all need an SRAM to be mapped to the CPU to be able to
 access those controllers' registers.
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Merge tag 'sunxi-drivers-for-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/drivers

Allwinner drivers changes for 4.19

There's been work for this release cycles in both the SRAM controller
driver in order to support more SoCs, as part of our VPU work, but also to
enable the EMAC on the A64 (that needs to poke at registers within the same
register space).

Some work has been needed too to represent the bus to the display engine
controllers that all need an SRAM to be mapped to the CPU to be able to
access those controllers' registers.

* tag 'sunxi-drivers-for-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  soc: sunxi: Add the A13, A23 and H3 system control compatibles
  drivers: soc: sunxi: Add support for the C1 SRAM region
  dt-bindings: sram: sunxi: Populate valid sections compatibles
  dt-bindings: sram: sunxi: Add A13, A20, A23 and H3 dedicated bindings
  soc: sunxi: sram: Add dt match for the A10 system-control compatible
  dt-bindings: sram: sunxi: Introduce new A10 binding for system-control
  bus: add bus driver for accessing Allwinner A64 DE2
  dt-bindings: add binding for the Allwinner A64 DE2 bus
  soc: sunxi: sram: Add updated compatible string for A64 system control
  dt-bindings: sram: Rename A64 SRAM controller compatible
  soc: sunxi: export a regmap for EMAC clock reg on A64

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-26 00:09:43 -07:00
Olof Johansson
d7e8323043 Qualcomm ARM Based Driver Updates for v4.19
* Add Qualcomm LLCC driver
 * Add Qualcomm RPMH controller
 * Fix memleak in Qualcomm RMTFS
 * Add dummy qcom_scm_assign_mem()
 * Fix check for global partition in SMEM
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Merge tag 'qcom-drivers-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Qualcomm ARM Based Driver Updates for v4.19

* Add Qualcomm LLCC driver
* Add Qualcomm RPMH controller
* Fix memleak in Qualcomm RMTFS
* Add dummy qcom_scm_assign_mem()
* Fix check for global partition in SMEM

* tag 'qcom-drivers-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: rmtfs-mem: fix memleak in probe error paths
  soc: qcom: llc-slice: Add missing MODULE_LICENSE()
  drivers: qcom: rpmh: fix unwanted error check for get_tcs_of_type()
  drivers: qcom: rpmh-rsc: fix the loop index check in get_req_from_tcs
  firmware: qcom: scm: add a dummy qcom_scm_assign_mem()
  drivers: qcom: rpmh-rsc: Check cmd_db_ready() to help children
  drivers: qcom: rpmh-rsc: allow active requests from wake TCS
  drivers: qcom: rpmh: add support for batch RPMH request
  drivers: qcom: rpmh: allow requests to be sent asynchronously
  drivers: qcom: rpmh: cache sleep/wake state requests
  drivers: qcom: rpmh-rsc: allow invalidation of sleep/wake TCS
  drivers: qcom: rpmh-rsc: write sleep/wake requests to TCS
  drivers: qcom: rpmh: add RPMH helper functions
  drivers: qcom: rpmh-rsc: log RPMH requests in FTRACE
  dt-bindings: introduce RPMH RSC bindings for Qualcomm SoCs
  drivers: qcom: rpmh-rsc: add RPMH controller for QCOM SoCs
  drivers: soc: Add LLCC driver
  dt-bindings: Documentation for qcom, llcc
  soc: qcom: smem: Correct check for global partition

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-26 00:03:25 -07:00
Li Yang
4625210899 soc: fsl: cleanup Kconfig menu
Put NXP/Freescale QorIQ SoC drivers under a menu and make the item
naming more aligned.

Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-07-24 16:19:16 -05:00
Roy Pledge
d8e516bac7 soc: fsl: dpio: Convert DPIO documentation to .rst
Convert the Datapath I/O documentation to .rst format
and move to the Documation/networking/dpaa2 directory

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-07-24 16:18:56 -05:00
Roy Pledge
c89105c9b3 staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl
Move the NXP DPIO (Datapath I/O Driver) out of the
drivers/staging directory and into the drivers/soc/fsl directory.

The DPIO driver enables access to Queue and Buffer Manager (QBMAN)
hardware on NXP DPAA2 devices. This is a prerequisite to moving the
DPAA2 Ethernet driver out of staging.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-07-24 16:18:55 -05:00
Joakim Tjernlund
1c0b7df5d3 soc: fsl: qe: gpio: Add qe_gpio_set_multiple
This cousin to gpio-mpc8xxx was lacking a multiple pins method,
add one.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Reviewed-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-07-24 16:18:22 -05:00
Olof Johansson
94dee3861f TI AM654 support for v4.19 merge window
This branch adds initial support for new Texas Instruments AM654
 quad core A53 ARMv8 SoC. It's the first device for TI K3 multicore SoC
 architecture.
 
 Initially only basic devices are configured, support for more devices
 will follow later on. And many of the internal devices familiar from
 earlier TI SoCs should work with existing kernel device drivers.
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Merge tag 'am654-for-v4.19-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

TI AM654 support for v4.19 merge window

This branch adds initial support for new Texas Instruments AM654
quad core A53 ARMv8 SoC. It's the first device for TI K3 multicore SoC
architecture.

Initially only basic devices are configured, support for more devices
will follow later on. And many of the internal devices familiar from
earlier TI SoCs should work with existing kernel device drivers.

* tag 'am654-for-v4.19-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  arm64: dts: ti: Add support for AM654 EVM base board
  soc: ti: Add Support for AM654 SoC config option
  arm64: dts: ti: Add Support for AM654 SoC
  arm64: Add support for TI's K3 Multicore SoC architecture
  dt-bindings: arm: ti: Add bindings for AM654 SoC

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 15:06:03 -07:00
Olof Johansson
1df88c683e i.MX drivers update for 4.19:
- Handle i.MX6SL chip errata ERR006287 in the safest possible way by
    keeping the DISP domain always-on, because Upon resuming from power
    gating, the modules in the display power domain (eLCDIF, EPDC, PXP
    and SPDC) might fail to perform register reads correctly.
  - Use GENPD_FLAG_ALWAYS_ON flag for i.MX6QP PU ERR009619 handling.
    It is functionally identical to the exsiting implementation but
    simpler and slightly faster.
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Merge tag 'imx-drivers-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

i.MX drivers update for 4.19:
 - Handle i.MX6SL chip errata ERR006287 in the safest possible way by
   keeping the DISP domain always-on, because Upon resuming from power
   gating, the modules in the display power domain (eLCDIF, EPDC, PXP
   and SPDC) might fail to perform register reads correctly.
 - Use GENPD_FLAG_ALWAYS_ON flag for i.MX6QP PU ERR009619 handling.
   It is functionally identical to the exsiting implementation but
   simpler and slightly faster.

* tag 'imx-drivers-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
  soc: imx: gpc: Disable 6sl display power gating for ERR006287

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 15:05:16 -07:00
Olof Johansson
b598b3aaf9 Second Round of Renesas ARM Based SoC Updates for v4.19
* Always enable ARCH_TIMER on SoCs with A7 or A15
 
   All such SoCs have ARCH_TIMER so there is no need for it to be optional.
   This allows clean-up which is included in this change.
 
 * Do not compile r8a7779_platform_cpu_kill when it is unused
 
   This avoids a warning by shuffling code into an existing #ifdef
   r8a7779 is the R-Car H1 SoC
 
 * Add SMP enabler driver for the RZ/N1D (r9a06g032) SoC
 
   This is to allow SMP to be enabled via DT on the r9a06g032
 
 * Stop compiling headsmp-apmu for non-SMP configs
 
   This is a minor clean-up allowing removal of an #ifdef
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Merge tag 'renesas-arm-soc2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Second Round of Renesas ARM Based SoC Updates for v4.19

* Always enable ARCH_TIMER on SoCs with A7 or A15

  All such SoCs have ARCH_TIMER so there is no need for it to be optional.
  This allows clean-up which is included in this change.

* Do not compile r8a7779_platform_cpu_kill when it is unused

  This avoids a warning by shuffling code into an existing #ifdef
  r8a7779 is the R-Car H1 SoC

* Add SMP enabler driver for the RZ/N1D (r9a06g032) SoC

  This is to allow SMP to be enabled via DT on the r9a06g032

* Stop compiling headsmp-apmu for non-SMP configs

  This is a minor clean-up allowing removal of an #ifdef

* tag 'renesas-arm-soc2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15
  ARM: shmobile: r8a7779: hide unused r8a7779_platform_cpu_kill
  soc: r9a06g032: don't build SMP files for non-SMP config
  ARM: shmobile: Add the R9A06G032 SMP enabler driver
  ARM: shmobile: rcar-gen2: Stop compiling headsmp-apmu on !SMP

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:19:37 -07:00
Johan Hovold
78ee559d7f soc: qcom: rmtfs-mem: fix memleak in probe error paths
Make sure to set the mem device release callback before calling
put_device() in a couple of probe error paths so that the containing
object also gets freed.

Fixes: d1de6d6c63 ("soc: qcom: Remote filesystem memory driver")
Cc: stable <stable@vger.kernel.org>     # 4.15
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 14:53:47 -05:00
Niklas Cassel
4da3b0452b soc: qcom: llc-slice: Add missing MODULE_LICENSE()
Add missing MODULE_LICENSE().
According to the SPDX-License-Identifier, the license is GPL v2.

Fixes the following warning:
WARNING: modpost: missing MODULE_LICENSE() in drivers/soc/qcom/llcc-slice.o

Fixes: a3134fb ("drivers: soc: Add LLCC driver")
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 14:50:45 -05:00
Raju P.L.S.S.S.N
6c805adf17 drivers: qcom: rpmh: fix unwanted error check for get_tcs_of_type()
The patch fixes the bug reported by Dan Carpenter.
It removes the unnecessary err check for ‘tcs’ reported by
static checker warning:

drivers/soc/qcom/rpmh-rsc.c:111 tcs_invalidate()
warn: 'tcs' isn't an ERR_PTR
See also:
drivers/soc/qcom/rpmh-rsc.c:178 get_tcs_for_msg() warn: 'tcs' isn't
an ERR_PTR
drivers/soc/qcom/rpmh-rsc.c:180 get_tcs_for_msg() warn: 'tcs' isn't
an ERR_PTR

https://www.spinics.net/lists/linux-soc/msg04624.html

Fixes: 9a3afcf ("drivers: qcom: rpmh-rsc: allow invalidation
of sleep/wake TCS")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:47:22 -05:00
Raju P.L.S.S.S.N
efa1c257b3 drivers: qcom: rpmh-rsc: fix the loop index check in get_req_from_tcs
get_req_from_tcs introduced in patch[1] returns tcs_request from
tcs_group. The size of tcs (of type - tcs_group) array in rsc_drv is
TCS_TYPE_NR. So the loop index needs to be iterated up to TCS_TYPE_NR only.

[1] https://patchwork.kernel.org/patch/10477547/

Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:43:38 -05:00
Douglas Anderson
fdd102b52c drivers: qcom: rpmh-rsc: Check cmd_db_ready() to help children
Children of RPMh will need access to cmd_db.  Rather than having each
child have code to check if cmd_db is ready let's add the check to
RPMh.

With this we'll be able to remove this boilerplate code from
clk-rpmh.c and qcom-rpmh-regulator.c.  Neither of these files has
landed upstream yet but patches are pretty far along.

===
This code is based upon v11 of Lina and Raju's RPMh series.

Suggested-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:34:00 -05:00
Lina Iyer
2de4b8d33e drivers: qcom: rpmh-rsc: allow active requests from wake TCS
Some RSCs may only have sleep and wake TCS, i.e, there is no dedicated
TCS for active mode request, but drivers may still want to make active
requests from these RSCs. In such cases re-purpose the wake TCS to send
active state requests.

The requirement for this is that the driver is aware that the wake TCS
is being repurposed to send active request, hence the sleep and wake
TCSes be invalidated before the active request is sent.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:33:49 -05:00
Lina Iyer
c8790cb6da drivers: qcom: rpmh: add support for batch RPMH request
Platform drivers need make a lot of resource state requests at the same
time, say, at the start or end of an usecase. It can be quite
inefficient to send each request separately. Instead they can give the
RPMH library a batch of requests to be sent and wait on the whole
transaction to be complete.

rpmh_write_batch() is a blocking call that can be used to send multiple
RPMH command sets. Each RPMH command set is set asynchronously and the
API blocks until all the command sets are complete and receive their
tx_done callbacks.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:33:36 -05:00
Lina Iyer
564b5e24cc drivers: qcom: rpmh: allow requests to be sent asynchronously
Platform drivers that want to send a request but do not want to block
until the RPMH request completes have now a new API -
rpmh_write_async().

The API allocates memory and send the requests and returns the control
back to the platform driver. The tx_done callback from the controller is
handled in the context of the controller's thread and frees the
allocated memory. This API allows RPMH requests from atomic contexts as
well.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:33:27 -05:00
Lina Iyer
600513dfee drivers: qcom: rpmh: cache sleep/wake state requests
Active state requests are sent immediately to the RSC controller, while
sleep and wake state requests are cached in this driver to avoid taxing
the RSC controller repeatedly. The cached values will be sent to the
controller when the rpmh_flush() is called.

Generally, flushing is a system PM activity and may be called from the
system PM drivers when the system is entering suspend or deeper sleep
modes during cpuidle.

Also allow invalidating the cached requests, so they may be re-populated
again.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
[rplsssn: remove unneeded semicolon, address line over 80chars error]
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:33:12 -05:00
Lina Iyer
9a3afcfbc0 drivers: qcom: rpmh-rsc: allow invalidation of sleep/wake TCS
Allow sleep and wake commands to be cleared from the respective TCSes,
so that they can be re-populated.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:32:59 -05:00
Lina Iyer
fa460e453a drivers: qcom: rpmh-rsc: write sleep/wake requests to TCS
Sleep and wake requests are sent when the application processor
subsystem of the SoC is entering deep sleep states like in suspend.
These requests help lower the system power requirements when the
resources are not in use.

Sleep and wake requests are written to the TCS slots but are not
triggered at the time of writing. The TCS are triggered by the firmware
after the last of the CPUs has executed its WFI. Since these requests
may come in different batches of requests, it is the job of this
controller driver to find and arrange the requests into the available
TCSes.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:32:49 -05:00
Lina Iyer
c1038456b0 drivers: qcom: rpmh: add RPMH helper functions
Sending RPMH requests and waiting for response from the controller
through a callback is common functionality across all platform drivers.
To simplify drivers, add a library functions to create RPMH client and
send resource state requests.

rpmh_write() is a synchronous blocking call that can be used to send
active state requests.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:32:40 -05:00
Lina Iyer
fc087fe5a4 drivers: qcom: rpmh-rsc: log RPMH requests in FTRACE
Log sent RPMH requests and interrupt responses in FTRACE.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
[rplsssn@codeaurora.org: rebase to v4.18-rc1 & fix merge conflict]
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:32:31 -05:00
Lina Iyer
658628e7ef drivers: qcom: rpmh-rsc: add RPMH controller for QCOM SoCs
Add controller driver for QCOM SoCs that have hardware based shared
resource management. The hardware IP known as RSC (Resource State
Coordinator) houses multiple Direct Resource Voter (DRV) for different
execution levels. A DRV is a unique voter on the state of a shared
resource. A Trigger Control Set (TCS) is a bunch of slots that can house
multiple resource state requests, that when triggered will issue those
requests through an internal bus to the Resource Power Manager Hardened
(RPMH) blocks. These hardware blocks are capable of adjusting clocks,
voltages, etc. The resource state request from a DRV are aggregated
along with state requests from other processors in the SoC and the
aggregate value is applied on the resource.

Some important aspects of the RPMH communication -
- Requests are <addr, value> with some header information
- Multiple requests (upto 16) may be sent through a TCS, at a time
- Requests in a TCS are sent in sequence
- Requests may be fire-n-forget or completion (response expected)
- Multiple TCS from the same DRV may be triggered simultaneously
- Cannot send a request if another request for the same addr is in
  progress from the same DRV
- When all the requests from a TCS are complete, an IRQ is raised
- The IRQ handler needs to clear the TCS before it is available for
  reuse
- TCS configuration is specific to a DRV
- Platform drivers may use DRV from different RSCs to make requests

Resource state requests made when CPUs are active are called 'active'
state requests. Requests made when all the CPUs are powered down (idle
state) are called 'sleep' state requests. They are matched by a
corresponding 'wake' state requests which puts the resources back in to
previously requested active state before resuming any CPU. TCSes are
dedicated for each type of requests. Active mode TCSes (AMC) are used to
send requests immediately to the resource, while control TCS are used to
provide specific information to the controller. Sleep and Wake TCS send
sleep and wake requests, after and before the system halt respectively.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:32:06 -05:00
Rishabh Bhatnagar
a3134fb09e drivers: soc: Add LLCC driver
LLCC (Last Level Cache Controller) provides additional cache memory
in the system. LLCC is partitioned into multiple slices and each
slice gets its own priority, size, ID and other config parameters.
LLCC driver programs these parameters for each slice. Clients that
are assigned to use LLCC need to get information such size & ID of the
slice they get and activate or deactivate the slice as needed. LLCC driver
provides API for the clients to perform these operations.

Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:31:35 -05:00
Bjorn Andersson
0b65c59e3a soc: qcom: smem: Correct check for global partition
The moved check for the global partition ended up in the wrong place and I
failed to spot this in my review. This moves it to the correct place.

Fixes: 11d2e7edac ("soc: qcom: smem: check sooner in qcom_smem_set_global_partition()")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:31:13 -05:00
Arnd Bergmann
c83e9c4873 soc: r9a06g032: don't build SMP files for non-SMP config
Without CONFIG_SMP, we get a build failure:

In file included from include/linux/byteorder/little_endian.h:5,
                 from arch/arm/include/uapi/asm/byteorder.h:22,
                 from include/asm-generic/bitops/le.h:6,
                 from arch/arm/include/asm/bitops.h:342,
                 from include/linux/bitops.h:18,
                 from include/linux/kernel.h:11,
                 from include/asm-generic/bug.h:18,
                 from arch/arm/include/asm/bug.h:60,
                 from include/linux/bug.h:5,
                 from include/linux/io.h:23,
                 from drivers/soc/renesas/r9a06g032-smp.c:11:
drivers/soc/renesas/r9a06g032-smp.c: In function 'r9a06g032_smp_boot_secondary':
drivers/soc/renesas/r9a06g032-smp.c:43:21: error: 'secondary_startup' undeclared (first use in this function)
  writel(__pa_symbol(secondary_startup), cpu_bootaddr);
                     ^~~~~~~~~~~~~~~~~

This makes the compilation of that file conditional on SMP support.
It would probably be better for consistency to leave that file
in arch/arm/mach-shmobile/, matching what we do for all other smp
operations.

Fixes: cde4f86f9249 ("arm: shmobile: Add the R9A06G032 SMP enabler driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-07-20 13:44:09 +02:00
Michel Pollet
7416d44113 ARM: shmobile: Add the R9A06G032 SMP enabler driver
The Renesas R9A06G032 second CA7 is parked in a ROM pen at boot time, it
equires a special enable method to get it started.

Signed-off-by: Michel Pollet <michel.pollet@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-07-20 13:44:04 +02:00
Olof Johansson
8b369c0073 i.MX fixes for 4.18, round 3:
- Restrict GPC driver on register range that is accessible by regmap,
    so that we can avoid user space from triggering imprecise external
    abort exception.
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Merge tag 'imx-fixes-4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

i.MX fixes for 4.18, round 3:
 - Restrict GPC driver on register range that is accessible by regmap,
   so that we can avoid user space from triggering imprecise external
   abort exception.

* tag 'imx-fixes-4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: restrict register range for regmap access

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-19 15:09:59 -07:00
Maxime Ripard
7377330a1e
soc: sunxi: Add the A13, A23 and H3 system control compatibles
The A13, A23 and H3 have variations of the system controls, in part due to
the SRAM that are available (and can be mapped) in the SoC.

In order to make it future proof, let's add compatibles for these SoCs in
the driver.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-07-19 16:39:12 +02:00
Anson Huang
de2d9b5284 soc: imx: gpc: restrict register range for regmap access
GPC registers are NOT continuous, some registers are
reserved and accessing them from userspace will trigger
external abort, add regmap register access table to
avoid below abort:

root@imx6slevk:~# cat /sys/kernel/debug/regmap/20dc000.gpc/registers
[  108.480477] Unhandled fault: imprecise external abort (0x1406) at 0xb6db5004
[  108.487985] pgd = 42b54bfd
[  108.490741] [b6db5004] *pgd=ba1b7831
[  108.494386] Internal error: : 1406 [#1] SMP ARM
[  108.498943] Modules linked in:
[  108.502043] CPU: 0 PID: 389 Comm: cat Not tainted 4.18.0-rc1-00074-gc9f1f60-dirty #482
[  108.509982] Hardware name: Freescale i.MX6 SoloLite (Device Tree)
[  108.516123] PC is at regmap_mmio_read32le+0x20/0x24
[  108.521031] LR is at regmap_mmio_read+0x40/0x60
[  108.525586] pc : [<c059cf74>]    lr : [<c059d1ac>]    psr: 20060093
[  108.531875] sp : eccf1d98  ip : eccf1da8  fp : eccf1da4
[  108.537122] r10: ec2d3800  r9 : eccf1f60  r8 : ecfc0000
[  108.542370] r7 : eccf1e2c  r6 : eccf1e2c  r5 : 00000028  r4 : ec338e00
[  108.548920] r3 : 00000000  r2 : eccf1e2c  r1 : f0980028  r0 : 00000000
[  108.555474] Flags: nzCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment none
[  108.562720] Control: 10c5387d  Table: acf4004a  DAC: 00000051
[  108.568491] Process cat (pid: 389, stack limit = 0xd4318a65)
[  108.574174] Stack: (0xeccf1d98 to 0xeccf2000)

Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-07-19 10:24:00 +08:00
Nishanth Menon
a869b7b30d soc: ti: Add Support for AM654 SoC config option
Add option to build AM6 SoC specific components

Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Benjamin Fair <b-fair@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-07-18 11:48:36 -07:00
Leonard Crestez
69c04aee34 soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
This is functionally identical but simpler and slightly faster.

The PU domain is turned on at boot time and never turned off. In the
current implementation the pm core will repeatedly call power_off when
the domain is unused and get -EBUSY back. If the domain is marked as
"always on" instead the pm core won't even attempt to turn it off.

In theory on 6qp it is safe to turn PU off in suspend, however that is
best accomplished with a new core flag.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-07-17 14:12:14 +08:00
Argus Lin
00673189b8 soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs
MT6351 is a new power management IC and it is used for mt6797 SoCs. To define
mt6351_regs for pmic register mapping and pmic_mt6351 for
accessing register.

Signed-off-by: Argus Lin <argus.lin@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-07-16 15:50:17 +02:00
Argus Lin
8e62ac4bad soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs
mt6797 is a highly integrated SoCs, it uses mt6351 for power management.
This patch adds pwrap driver to access mt6351. Pwrap of mt6797 support
dynamic priority meichanism, sequence monitor and starvation mechanism
to make transaction more reliable.

A big change from V4 to V5 is we remove INT1 interrupt declaration since
it is only for debug purpose. The PWRAP_RDDMY, RESET and DCM can use legacy
setting, it is backwards compatible. The new caps flag declaration is not
needed, just remove it.

Signed-off-by: Argus Lin <argus.lin@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-07-16 15:50:17 +02:00
Argus Lin
cd760b1cd7 soc: mediatek: pwrap: fix cipher init setting error
PWRAP_DEW_CIPHER_LOAD and PWRAP_DEW_CIPHER_START only exist at
PMIC_mt6397 datasheet. We fix it before merge PMIC_mt6351 driver.

Fixes: 5ae48040aa ("soc: mediatek: PMIC wrap: add mt6323 slave support")

Signed-off-by: Argus Lin <argus.lin@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-07-16 15:50:17 +02:00
Olof Johansson
edc07c0012 SoC updates for omaps for v4.19 merge window
These changes are mostly PM related changes for am335x and
 am437x to support RTC only suspend mode. Some of the clock
 and driver related chances are still pending so it's not
 yet fully functional.
 
 Also included is a change for PM debug sysfs entry to use
 DEFINE_SHOW_ATTRIBUTE.
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Merge tag 'omap-for-v4.19/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

SoC updates for omaps for v4.19 merge window

These changes are mostly PM related changes for am335x and
am437x to support RTC only suspend mode. Some of the clock
and driver related chances are still pending so it's not
yet fully functional.

Also included is a change for PM debug sysfs entry to use
DEFINE_SHOW_ATTRIBUTE.

* tag 'omap-for-v4.19/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: sleep33/43xx: Add RTC-Mode support
  ARM: OMAP2+: sleep33/43xx: Make sleep actions configurable
  ARM: OMAP2+: reuse DEFINE_SHOW_ATTRIBUTE() macro
  ARM: hwmod: RTC: Don't assume lock/unlock will be called with irq enabled

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-14 14:45:14 -07:00
Olof Johansson
e541454a8f This pull request contains Broadcom ARM/ARM64/MIPS SoCs drivers changes
for 4.19, please pull the following:
 
 - Doug updates the low-level suspend/resume code for ARM SoCs to support
   the latest rev B3.0 memory controllers found on newer chips with an
   appropriate match structure to perform the correct entry sequencing
 
 - Florian updates the Device Tree binding document for these memory
   controllers to list all possible compatible strings that exist given
    the supported memory controllers.
 
 - Stefan adds the GET_THROTTLED firmware property value that is required
   for the Rasperry Pi voltage monitoring driver and updates the
   Raspberry Pi firmware driver accordingly to register such a device
   using the HWMON subsystem. Finally he adds support for reporting under
   voltage conditions using a specialized HWMON driver.
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Merge tag 'arm-soc/for-4.19/drivers' of https://github.com/Broadcom/stblinux into next/drivers

This pull request contains Broadcom ARM/ARM64/MIPS SoCs drivers changes
for 4.19, please pull the following:

- Doug updates the low-level suspend/resume code for ARM SoCs to support
  the latest rev B3.0 memory controllers found on newer chips with an
  appropriate match structure to perform the correct entry sequencing

- Florian updates the Device Tree binding document for these memory
  controllers to list all possible compatible strings that exist given
   the supported memory controllers.

- Stefan adds the GET_THROTTLED firmware property value that is required
  for the Rasperry Pi voltage monitoring driver and updates the
  Raspberry Pi firmware driver accordingly to register such a device
  using the HWMON subsystem. Finally he adds support for reporting under
  voltage conditions using a specialized HWMON driver.

* tag 'arm-soc/for-4.19/drivers' of https://github.com/Broadcom/stblinux:
  firmware: raspberrypi: Remove VLA usage
  firmware: raspberrypi: Register hwmon driver
  hwmon: Add support for RPi voltage sensor
  soc: bcm: brcmstb: Add missing DDR MEMC compatible strings
  soc: bcm: brcmstb: pm: Add support for newer rev B3.0 controllers
  ARM: bcm2835: Add GET_THROTTLED firmware property

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-14 14:14:47 -07:00
Leonard Crestez
5507ec5126 soc: imx: gpc: Disable 6sl display power gating for ERR006287
The imx6sl chip errata document describes ERR006287 like this:

> Upon resuming from power gating, the modules in the display power domain
(eLCDIF, EPDC, PXP and SPDC) might fail to perform register reads
correctly.

> When the modules listed above are used, do not use power gating on the
display power domain.

Link: https://www.nxp.com/docs/en/errata/IMX6SLCE.pdf#page=62

Handle this in the safest possible way by keeping the DISP domain
always-on.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-07-11 21:18:24 +08:00
Maxime Ripard
5fdec16b69
drivers: soc: sunxi: Add support for the C1 SRAM region
This introduces support for the SRAM C1 section, that is controlled by
the system controller. This SRAM area can be muxed either to the CPU
or the Video Engine, that needs this area to store various tables (e.g.
the Huffman VLD decoding tables).

This only supports devices with the same layout as the A10 (which also
includes the A13, A20, A33 and other SoCs).

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-07-11 10:55:43 +02:00
Paul Kocialkowski
acc26f59f8
soc: sunxi: sram: Add dt match for the A10 system-control compatible
This binds the new A10 system-control compatible to the associated
driver, with the same driver data as the previous compatible.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-07-11 10:35:16 +02:00
Keerthy
8c5a916f4c ARM: OMAP2+: sleep33/43xx: Add RTC-Mode support
Add support for RTC mode to low level suspend code. This includes
providing the rtc base address for the assembly code to configuring the
PMIC_PWR_EN line late in suspend to enter RTC+DDR mode.

Note: This patch also fold in left out space parameter for
am33xx_emif_sram_table and am43xx_emif_sram_table

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-07-09 23:01:34 -07:00
Dave Gerlach
74655749a5 ARM: OMAP2+: sleep33/43xx: Make sleep actions configurable
Add an argument to the sleep33xx and sleep43xx code to allow us to set
flags to determine which portions of the code get called in order to use
the same code for multiple power saving modes. This patch allows us to
decide whether or not we flush and disable caches, save EMIF context,
put the memory into self refresh and disable the EMIF, and/or invoke
the wkup_m3 when entering into WFI.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-07-09 23:01:34 -07:00
Vivek Gautam
e88728f46c driver core: Rename flag AUTOREMOVE to AUTOREMOVE_CONSUMER
Now that we want to add another flag to autoremove the device link
on supplier unbind, it's fair to rename the existing flag from
DL_FLAG_AUTOREMOVE to DL_FLAG_AUTOREMOVE_CONSUMER so that we can
add similar flag for supplier later.
And, while we are touching device.h, fix a doc build warning.

Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-07-09 12:14:31 +02:00
Olof Johansson
872d6d96cd Keystone SOC driver update for 4.19
-  Add suspend/resume functionality to TI EMIF SRAM driver
  -  Add wakeup M3 RTC self refresh support
  -  Fix for the PM runtime ifdefs
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Merge tag 'soc_drivers_for_4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers

Keystone SOC driver update for 4.19

 -  Add suspend/resume functionality to TI EMIF SRAM driver
 -  Add wakeup M3 RTC self refresh support
 -  Fix for the PM runtime ifdefs

* tag 'soc_drivers_for_4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  soc: ti: wkup_m3_ipc: mark PM functions as __maybe_unused
  soc: ti: wkup_m3_ipc: Add wkup_m3_request_wake_src
  soc: ti: wkup_m3_ipc: Add rtc_only with ddr in self refresh mode support
  memory: ti-emif-sram: Add resume function to recopy sram code

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-08 09:12:51 -07:00
Arnd Bergmann
990c10091d soc: ti: wkup_m3_ipc: mark PM functions as __maybe_unused
Everyone gets these #ifdefs wrong, leading to another warning here:

drivers/soc/ti/wkup_m3_ipc.c:547:12: error: 'wkup_m3_ipc_resume' defined but not used [-Werror=unused-function]
 static int wkup_m3_ipc_resume(struct device *dev)
drivers/soc/ti/wkup_m3_ipc.c:539:12: error: 'wkup_m3_ipc_suspend' defined but not used [-Werror=unused-function]
 static int wkup_m3_ipc_suspend(struct device *dev)

The easiest way to get it right is to remove all the #ifdefs and
let the compiler drop the unused functions silently after we
mark them as __maybe_unused.

Fixes: 7a872b6fb7 ("soc: ti: wkup_m3_ipc: Add rtc_only with ddr in self refresh mode support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
2018-07-06 09:47:51 -07:00
Dave Gerlach
ec93b62fec soc: ti: wkup_m3_ipc: Add wkup_m3_request_wake_src
Add wkup_m3_request_wake_src to allow users to get the name of
the wakeup source after a DeepSleep or Standby transition.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
2018-07-04 20:19:06 -07:00
Keerthy
7a872b6fb7 soc: ti: wkup_m3_ipc: Add rtc_only with ddr in self refresh mode support
Adds rtc_only support. This needs resume function to shutdown and
reboot the m3.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
2018-07-04 20:19:06 -07:00
Olof Johansson
a67de88209 Renesas ARM Based SoC Arm SoC Updates for v4.19
* Convert to SPDX identifier
 
 * Remove legacy SMP fallback code
 
   Geert Uytterhoeven says "R-Car H2 and M2-W have been supporting SMP
   enablement from DT using the "renesas,apmu" enable-method since v4.8.
   A legacy fallback was left in place for backwards compatibility with old
   DTBs.
 
   This patch series removes the legacy SMP fallbacks for R-Car H2 and
   M2-W, and consolidates their support in the common R-Car Gen2 machine
   definition.2
 
 * APMU cleanups after legacy SMP fallback removal
   - Move cpu_leave_lowpower() from HOTPLUG_CPU || SUSPEND section to the
     SUSPEND section as it is only used for suspend
   - Remove shmobile_smp_apmu_prepare_cpus() as it is no longer used
   - Remove platsmp-apmu.h
 
 * Drop legacy SYSC fallbacks
 
   Geert Uytterhoeven says "When DT SYSC support was introduced in v4.7,
   legacy fallbacks were kept to keep secondary CPUs working on R-Car H1,
   H2, and M2-W using old DTBs.  However, the time has come to drop these
   fallbacks, and clean up the resulting code"
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Merge tag 'renesas-arm-soc-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Renesas ARM Based SoC Arm SoC Updates for v4.19

* Convert to SPDX identifier

* Remove legacy SMP fallback code for R-CAR H2 and M2-W
  - DT enablement has been in since 4.8, no longer needed

* APMU cleanups after legacy SMP fallback removal

* Drop legacy SYSC fallback code for R-Car H1, H2 and M2-W
  - DT enablement has been in since 4.7, no longer needed.

* tag 'renesas-arm-soc-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: convert to SPDX identifier
  soc: renesas: rcar-sysc: Drop legacy handling
  ARM: shmobile: r8a7779: Remove explicit SYSC config and init
  ARM: shmobile: r8a7779: Use rcar_sysc_power_{down,up}_cpu()
  soc: renesas: rcar-sysc: Provide helpers to power up/down CPUs
  ARM: shmobile: r8a7779: Stop powering down secondary CPUs during early boot
  ARM: shmobile: rcar-gen2: Remove explicit SYSC config and init
  ARM: shmobile: apmu: Remove platsmp-apmu.h
  ARM: shmobile: apmu: Remove obsolete shmobile_smp_apmu_prepare_cpus()
  ARM: shmobile: apmu: Move cpu_leave_lowpower() to SUSPEND section
  ARM: shmobile: Remove unused shmobile_smp_init_fallback_ops()
  ARM: shmobile: r8a7791: Use common R-Car Gen2 machine definition
  ARM: shmobile: r8a7791: Remove legacy SMP fallback code
  ARM: shmobile: r8a7790: Use common R-Car Gen2 machine definition
  ARM: shmobile: r8a7790: Remove legacy SMP fallback code

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-02 10:10:43 -07:00
Florian Fainelli
a334e45dcb soc: bcm: brcmstb: Add missing DDR MEMC compatible strings
We would not be matching the following chip/compatible strings
combinations, which would lead to not setting the warm boot flag
correctly, fix that:

    7260A0/B0: brcm,brcmstb-memc-ddr-rev-b.2.1
    7255A0: brcm,brcmstb-memc-ddr-rev-b.2.3
    7278Bx: brcm,brcmstb-memc-ddr-rev-b.3.1

The B2.1 core (which is in 7260 A0 and B0) doesn't have the
SHIMPHY_ADDR_CNTL_0_DDR_PAD_CNTRL setup in the memsys init code, nor
does it have the warm boot flag re-definition on entry. Those changes
were for B2.2 and later MEMSYS cores. Fall back to the previous S2/S3
entry method for these specific chips.

Fixes: 0b741b8234 ("soc: bcm: brcmstb: Add support for S2/S3/S5 suspend states (ARM)")
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2018-06-26 15:44:25 -07:00
Doug Berger
77d899631d soc: bcm: brcmstb: pm: Add support for newer rev B3.0 controllers
Update the Device Tree binding document and add a matching entry for the
MEMC DDR controller revision B3.0 which is found on chips like 7278A0
and newer.

Signed-off-by: Doug Berger <opendmb@gmail.com>
[florian: tweak commit message, make it apply to upstream kernel]
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2018-06-26 15:44:14 -07:00
Olof Johansson
fd28b4b5fb Qualcomm Fixes for v4.18-rc2
* Fix compiler warnings for cmd-db driver
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Merge tag 'qcom-fixes-for-4.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into fixes

Qualcomm Fixes for v4.18-rc2

* Fix compiler warnings for cmd-db driver

* tag 'qcom-fixes-for-4.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  qcom: cmd-db: enforce CONFIG_OF_RESERVED_MEM dependency

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-06-26 10:42:31 -07:00
Arnd Bergmann
0ea3fa15b1 qcom: cmd-db: enforce CONFIG_OF_RESERVED_MEM dependency
Without CONFIG_OF_RESERVED_MEM, gcc sees that the global cmd_db_header
variable is never initialized, and through code optimization concludes
that a lot of other code cannot possibly work after that:

drivers/soc/qcom/cmd-db.c: In function 'cmd_db_read_addr':
drivers/soc/qcom/cmd-db.c:197:21: error: 'ent.addr' may be used uninitialized in this function [-Werror=maybe-uninitialized]
  return ret < 0 ? 0 : le32_to_cpu(ent.addr);
drivers/soc/qcom/cmd-db.c: In function 'cmd_db_read_aux_data':
drivers/soc/qcom/cmd-db.c:224:10: error: 'ent.len' may be used uninitialized in this function [-Werror=maybe-uninitialized]
  ent_len = le16_to_cpu(ent.len);
drivers/soc/qcom/cmd-db.c:115:6: error: 'rsc_hdr.data_offset' may be used uninitialized in this function [-Werror=maybe-uninitialized]
  u16 offset = le16_to_cpu(hdr->data_offset);
      ^~~~~~
drivers/soc/qcom/cmd-db.c:116:6: error: 'ent.offset' may be used uninitialized in this function [-Werror=maybe-uninitialized]
  u16 loffset = le16_to_cpu(ent->offset);
      ^~~~~~~
drivers/soc/qcom/cmd-db.c: In function 'cmd_db_read_aux_data_len':
drivers/soc/qcom/cmd-db.c:250:38: error: 'ent.len' may be used uninitialized in this function [-Werror=maybe-uninitialized]
  return ret < 0 ? 0 : le16_to_cpu(ent.len);
                                      ^
drivers/soc/qcom/cmd-db.c: In function 'cmd_db_read_slave_id':
drivers/soc/qcom/cmd-db.c:272:7: error: 'ent.addr' may be used uninitialized in this function [-Werror=maybe-uninitialized]

Using a hard CONFIG_OF_RESERVED_MEM dependency avoids this warning,
and we can remove the CONFIG_OF dependency.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-06-25 23:54:38 -05:00
Olof Johansson
652caf4ab1 i.MX fixes for 4.18:
- Fix i.MX6SX PCIe MSI interrupt number, so that MSI IRQs can be
    properly propagated to the upstream interrupt controller.
  - Fix GPCv2 MIPI/PCIe/USB_HSIC's PGC offset.  The values in Reference
    Manual are incorrect.
  - Correct SDMA setting for i.MX6Q SPI5 device to fix the issue, that
    the SPI controller RX FIFO was not empty after a DMA transfer, and
    the driver gets stuck in the next PIO transfer when reading one word
    more than expected.
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Merge tag 'imx-fixes-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

i.MX fixes for 4.18:
 - Fix i.MX6SX PCIe MSI interrupt number, so that MSI IRQs can be
   properly propagated to the upstream interrupt controller.
 - Fix GPCv2 MIPI/PCIe/USB_HSIC's PGC offset.  The values in Reference
   Manual are incorrect.
 - Correct SDMA setting for i.MX6Q SPI5 device to fix the issue, that
   the SPI controller RX FIFO was not empty after a DMA transfer, and
   the driver gets stuck in the next PIO transfer when reading one word
   more than expected.

* tag 'imx-fixes-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6sx: fix irq for pcie bridge
  soc: imx: gpcv2: correct PGC offset
  ARM: dts: imx6q: Use correct SDMA script for SPI5 core

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-06-23 10:17:38 -07:00
Olof Johansson
cb04a79445 Renesas ARM Based SoC Fixes for v4.18
Make PM domain initialization more robust in Renesas R-Car SYSC driver.
 This resolves a regression due to re-parenting of PM domains by
 086b399965 ("soc: renesas: r8a77990-sysc: Add workaround for 3DG-{A,B}").
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Merge tag 'renesas-fixes-for-v4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

Renesas ARM Based SoC Fixes for v4.18

Make PM domain initialization more robust in Renesas R-Car SYSC driver.
This resolves a regression due to re-parenting of PM domains by
086b399965 ("soc: renesas: r8a77990-sysc: Add workaround for 3DG-{A,B}").

* tag 'renesas-fixes-for-v4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Make PM domain initialization more robust

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-06-23 10:16:55 -07:00
Chen-Yu Tsai
ede18ae312 soc: sunxi: sram: Add updated compatible string for A64 system control
The SRAM mapping controls on Allwinner SoCs is located in a block called
"System Controls". This block also has registers for identifying the SoC,
reading the state of an external boot-related pin, and on some newer SoCs,
glue layer controls for the EMAC Ethernet controller.

The A64 variant compatible is renamed to "allwinner,a64-system-control"
to reflect this. The old A64 compatible is deprecated. So far we haven't
seen any actual use of it.

Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
2018-06-19 22:56:47 +08:00
Icenowy Zheng
5828729beb soc: sunxi: export a regmap for EMAC clock reg on A64
The A64 SRAM controller memory zone has a EMAC clock register, which is
needed by the Ethernet MAC driver (dwmac-sun8i).

Export a regmap for this register on A64.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
[wens@csie.org: export whole address range with only EMAC register
		accessible and drop regmap name]
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
2018-06-19 22:55:51 +08:00
Sricharan R
0e622e8019 remoteproc: qcom: mdt_loader: Make the firmware authentication optional
qcom_mdt_load function loads the mdt type firmware and
initialises the secure memory as well. Make the initialisation only
when requested by the caller, so that the function can be used
by self-authenticating remoteproc as well.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2018-06-18 15:55:31 -07:00
Geert Uytterhoeven
7e8a50df26 soc: renesas: rcar-sysc: Drop legacy handling
Now the R-Car platform code no longer supports DTBs lacking a SYSC
device node in DT, all legacy handling can be dropped from the R-Car
SYSC driver:
  - Make rcar_sysc_ch private to the driver,
  - Make rcar_sysc_power_{down,up}() static (they have been replaced by
    rcar_sysc_power_{down,up}_cpu()),
  - Remove the legacy wrapper rcar_sysc_init(), and the check for double
    initialization (only the early_initcall is left).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-06-18 12:00:29 +02:00
Geert Uytterhoeven
f2b1d2f94a soc: renesas: rcar-sysc: Provide helpers to power up/down CPUs
Provide helpers to control CPU power areas from platform code, taking
just a CPU index.  This will avoid having to pass full CPU power area
parameter blocks, and thus duplicating information already provided by
SoC-specific SYSC drivers.

This will be used on R-Car H1 only.
Later R-Car generations rely on APMU/RST for CPU power area control.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-06-18 12:00:28 +02:00
Anson Huang
3637f12faf soc: imx: gpcv2: correct PGC offset
Correct MIPI/PCIe/USB_HSIC's PGC offset based on
design RTL, the values in the Reference Manual
(Rev. 1, 01/2018 and the older ones) are incorrect.

The correct offset values should be as below:

0x800 ~ 0x83F: PGC for core0 of A7 platform;
0x840 ~ 0x87F: PGC for core1 of A7 platform;
0x880 ~ 0x8BF: PGC for SCU of A7 platform;
0xA00 ~ 0xA3F: PGC for fastmix/megamix;
0xC00 ~ 0xC3F: PGC for MIPI PHY;
0xC40 ~ 0xC7F: PGC for PCIe_PHY;
0xC80 ~ 0xCBF: PGC for USB OTG1 PHY;
0xCC0 ~ 0xCFF: PGC for USB OTG2 PHY;
0xD00 ~ 0xD3F: PGC for USB HSIC PHY;

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Fixes: 03aa12629f ("soc: imx: Add GPCv2 power gating driver")
Acked-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-06-17 15:37:27 +08:00
Stefan Agner
d7dc899abe treewide: use PHYS_ADDR_MAX to avoid type casting ULLONG_MAX
With PHYS_ADDR_MAX there is now a type safe variant for all bits set.
Make use of it.

Patch created using a semantic patch as follows:

// <smpl>
@@
typedef phys_addr_t;
@@
-(phys_addr_t)ULLONG_MAX
+PHYS_ADDR_MAX
// </smpl>

Link: http://lkml.kernel.org/r/20180419214204.19322-1-stefan@agner.ch
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>	[arm64]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-15 07:55:25 +09:00
Linus Torvalds
b08fc5277a - Error path bug fix for overflow tests (Dan)
- Additional struct_size() conversions (Matthew, Kees)
 - Explicitly reported overflow fixes (Silvio, Kees)
 - Add missing kvcalloc() function (Kees)
 - Treewide conversions of allocators to use either 2-factor argument
   variant when available, or array_size() and array3_size() as needed (Kees)
 -----BEGIN PGP SIGNATURE-----
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Merge tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull more overflow updates from Kees Cook:
 "The rest of the overflow changes for v4.18-rc1.

  This includes the explicit overflow fixes from Silvio, further
  struct_size() conversions from Matthew, and a bug fix from Dan.

  But the bulk of it is the treewide conversions to use either the
  2-factor argument allocators (e.g. kmalloc(a * b, ...) into
  kmalloc_array(a, b, ...) or the array_size() macros (e.g. vmalloc(a *
  b) into vmalloc(array_size(a, b)).

  Coccinelle was fighting me on several fronts, so I've done a bunch of
  manual whitespace updates in the patches as well.

  Summary:

   - Error path bug fix for overflow tests (Dan)

   - Additional struct_size() conversions (Matthew, Kees)

   - Explicitly reported overflow fixes (Silvio, Kees)

   - Add missing kvcalloc() function (Kees)

   - Treewide conversions of allocators to use either 2-factor argument
     variant when available, or array_size() and array3_size() as needed
     (Kees)"

* tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (26 commits)
  treewide: Use array_size in f2fs_kvzalloc()
  treewide: Use array_size() in f2fs_kzalloc()
  treewide: Use array_size() in f2fs_kmalloc()
  treewide: Use array_size() in sock_kmalloc()
  treewide: Use array_size() in kvzalloc_node()
  treewide: Use array_size() in vzalloc_node()
  treewide: Use array_size() in vzalloc()
  treewide: Use array_size() in vmalloc()
  treewide: devm_kzalloc() -> devm_kcalloc()
  treewide: devm_kmalloc() -> devm_kmalloc_array()
  treewide: kvzalloc() -> kvcalloc()
  treewide: kvmalloc() -> kvmalloc_array()
  treewide: kzalloc_node() -> kcalloc_node()
  treewide: kzalloc() -> kcalloc()
  treewide: kmalloc() -> kmalloc_array()
  mm: Introduce kvcalloc()
  video: uvesafb: Fix integer overflow in allocation
  UBIFS: Fix potential integer overflow in allocation
  leds: Use struct_size() in allocation
  Convert intel uncore to struct_size
  ...
2018-06-12 18:28:00 -07:00
Kees Cook
fad953ce0b treewide: Use array_size() in vzalloc()
The vzalloc() function has no 2-factor argument form, so multiplication
factors need to be wrapped in array_size(). This patch replaces cases of:

        vzalloc(a * b)

with:
        vzalloc(array_size(a, b))

as well as handling cases of:

        vzalloc(a * b * c)

with:

        vzalloc(array3_size(a, b, c))

This does, however, attempt to ignore constant size factors like:

        vzalloc(4 * 1024)

though any constants defined via macros get caught up in the conversion.

Any factors with a sizeof() of "unsigned char", "char", and "u8" were
dropped, since they're redundant.

The Coccinelle script used for this was:

// Fix redundant parens around sizeof().
@@
type TYPE;
expression THING, E;
@@

(
  vzalloc(
-	(sizeof(TYPE)) * E
+	sizeof(TYPE) * E
  , ...)
|
  vzalloc(
-	(sizeof(THING)) * E
+	sizeof(THING) * E
  , ...)
)

// Drop single-byte sizes and redundant parens.
@@
expression COUNT;
typedef u8;
typedef __u8;
@@

(
  vzalloc(
-	sizeof(u8) * (COUNT)
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(__u8) * (COUNT)
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(char) * (COUNT)
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(unsigned char) * (COUNT)
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(u8) * COUNT
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(__u8) * COUNT
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(char) * COUNT
+	COUNT
  , ...)
|
  vzalloc(
-	sizeof(unsigned char) * COUNT
+	COUNT
  , ...)
)

// 2-factor product with sizeof(type/expression) and identifier or constant.
@@
type TYPE;
expression THING;
identifier COUNT_ID;
constant COUNT_CONST;
@@

(
  vzalloc(
-	sizeof(TYPE) * (COUNT_ID)
+	array_size(COUNT_ID, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * COUNT_ID
+	array_size(COUNT_ID, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * (COUNT_CONST)
+	array_size(COUNT_CONST, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * COUNT_CONST
+	array_size(COUNT_CONST, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(THING) * (COUNT_ID)
+	array_size(COUNT_ID, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * COUNT_ID
+	array_size(COUNT_ID, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * (COUNT_CONST)
+	array_size(COUNT_CONST, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * COUNT_CONST
+	array_size(COUNT_CONST, sizeof(THING))
  , ...)
)

// 2-factor product, only identifiers.
@@
identifier SIZE, COUNT;
@@

  vzalloc(
-	SIZE * COUNT
+	array_size(COUNT, SIZE)
  , ...)

// 3-factor product with 1 sizeof(type) or sizeof(expression), with
// redundant parens removed.
@@
expression THING;
identifier STRIDE, COUNT;
type TYPE;
@@

(
  vzalloc(
-	sizeof(TYPE) * (COUNT) * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * (COUNT) * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * COUNT * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(TYPE) * COUNT * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  vzalloc(
-	sizeof(THING) * (COUNT) * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * (COUNT) * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * COUNT * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  vzalloc(
-	sizeof(THING) * COUNT * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
)

// 3-factor product with 2 sizeof(variable), with redundant parens removed.
@@
expression THING1, THING2;
identifier COUNT;
type TYPE1, TYPE2;
@@

(
  vzalloc(
-	sizeof(TYPE1) * sizeof(TYPE2) * COUNT
+	array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
  , ...)
|
  vzalloc(
-	sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
  , ...)
|
  vzalloc(
-	sizeof(THING1) * sizeof(THING2) * COUNT
+	array3_size(COUNT, sizeof(THING1), sizeof(THING2))
  , ...)
|
  vzalloc(
-	sizeof(THING1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(THING1), sizeof(THING2))
  , ...)
|
  vzalloc(
-	sizeof(TYPE1) * sizeof(THING2) * COUNT
+	array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
  , ...)
|
  vzalloc(
-	sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
  , ...)
)

// 3-factor product, only identifiers, with redundant parens removed.
@@
identifier STRIDE, SIZE, COUNT;
@@

(
  vzalloc(
-	(COUNT) * STRIDE * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	COUNT * (STRIDE) * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	COUNT * STRIDE * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	(COUNT) * (STRIDE) * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	COUNT * (STRIDE) * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	(COUNT) * STRIDE * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	(COUNT) * (STRIDE) * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  vzalloc(
-	COUNT * STRIDE * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
)

// Any remaining multi-factor products, first at least 3-factor products
// when they're not all constants...
@@
expression E1, E2, E3;
constant C1, C2, C3;
@@

(
  vzalloc(C1 * C2 * C3, ...)
|
  vzalloc(
-	E1 * E2 * E3
+	array3_size(E1, E2, E3)
  , ...)
)

// And then all remaining 2 factors products when they're not all constants.
@@
expression E1, E2;
constant C1, C2;
@@

(
  vzalloc(C1 * C2, ...)
|
  vzalloc(
-	E1 * E2
+	array_size(E1, E2)
  , ...)
)

Signed-off-by: Kees Cook <keescook@chromium.org>
2018-06-12 16:19:22 -07:00
Kees Cook
a86854d0c5 treewide: devm_kzalloc() -> devm_kcalloc()
The devm_kzalloc() function has a 2-factor argument form, devm_kcalloc().
This patch replaces cases of:

        devm_kzalloc(handle, a * b, gfp)

with:
        devm_kcalloc(handle, a * b, gfp)

as well as handling cases of:

        devm_kzalloc(handle, a * b * c, gfp)

with:

        devm_kzalloc(handle, array3_size(a, b, c), gfp)

as it's slightly less ugly than:

        devm_kcalloc(handle, array_size(a, b), c, gfp)

This does, however, attempt to ignore constant size factors like:

        devm_kzalloc(handle, 4 * 1024, gfp)

though any constants defined via macros get caught up in the conversion.

Any factors with a sizeof() of "unsigned char", "char", and "u8" were
dropped, since they're redundant.

Some manual whitespace fixes were needed in this patch, as Coccinelle
really liked to write "=devm_kcalloc..." instead of "= devm_kcalloc...".

The Coccinelle script used for this was:

// Fix redundant parens around sizeof().
@@
expression HANDLE;
type TYPE;
expression THING, E;
@@

(
  devm_kzalloc(HANDLE,
-	(sizeof(TYPE)) * E
+	sizeof(TYPE) * E
  , ...)
|
  devm_kzalloc(HANDLE,
-	(sizeof(THING)) * E
+	sizeof(THING) * E
  , ...)
)

// Drop single-byte sizes and redundant parens.
@@
expression HANDLE;
expression COUNT;
typedef u8;
typedef __u8;
@@

(
  devm_kzalloc(HANDLE,
-	sizeof(u8) * (COUNT)
+	COUNT
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(__u8) * (COUNT)
+	COUNT
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(char) * (COUNT)
+	COUNT
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(unsigned char) * (COUNT)
+	COUNT
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(u8) * COUNT
+	COUNT
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(__u8) * COUNT
+	COUNT
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(char) * COUNT
+	COUNT
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(unsigned char) * COUNT
+	COUNT
  , ...)
)

// 2-factor product with sizeof(type/expression) and identifier or constant.
@@
expression HANDLE;
type TYPE;
expression THING;
identifier COUNT_ID;
constant COUNT_CONST;
@@

(
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(TYPE) * (COUNT_ID)
+	COUNT_ID, sizeof(TYPE)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(TYPE) * COUNT_ID
+	COUNT_ID, sizeof(TYPE)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(TYPE) * (COUNT_CONST)
+	COUNT_CONST, sizeof(TYPE)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(TYPE) * COUNT_CONST
+	COUNT_CONST, sizeof(TYPE)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(THING) * (COUNT_ID)
+	COUNT_ID, sizeof(THING)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(THING) * COUNT_ID
+	COUNT_ID, sizeof(THING)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(THING) * (COUNT_CONST)
+	COUNT_CONST, sizeof(THING)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(THING) * COUNT_CONST
+	COUNT_CONST, sizeof(THING)
  , ...)
)

// 2-factor product, only identifiers.
@@
expression HANDLE;
identifier SIZE, COUNT;
@@

- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	SIZE * COUNT
+	COUNT, SIZE
  , ...)

// 3-factor product with 1 sizeof(type) or sizeof(expression), with
// redundant parens removed.
@@
expression HANDLE;
expression THING;
identifier STRIDE, COUNT;
type TYPE;
@@

(
  devm_kzalloc(HANDLE,
-	sizeof(TYPE) * (COUNT) * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(TYPE) * (COUNT) * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(TYPE) * COUNT * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(TYPE) * COUNT * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(THING) * (COUNT) * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(THING) * (COUNT) * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(THING) * COUNT * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(THING) * COUNT * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
)

// 3-factor product with 2 sizeof(variable), with redundant parens removed.
@@
expression HANDLE;
expression THING1, THING2;
identifier COUNT;
type TYPE1, TYPE2;
@@

(
  devm_kzalloc(HANDLE,
-	sizeof(TYPE1) * sizeof(TYPE2) * COUNT
+	array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(THING1) * sizeof(THING2) * COUNT
+	array3_size(COUNT, sizeof(THING1), sizeof(THING2))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(THING1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(THING1), sizeof(THING2))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(TYPE1) * sizeof(THING2) * COUNT
+	array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
  , ...)
|
  devm_kzalloc(HANDLE,
-	sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
  , ...)
)

// 3-factor product, only identifiers, with redundant parens removed.
@@
expression HANDLE;
identifier STRIDE, SIZE, COUNT;
@@

(
  devm_kzalloc(HANDLE,
-	(COUNT) * STRIDE * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  devm_kzalloc(HANDLE,
-	COUNT * (STRIDE) * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  devm_kzalloc(HANDLE,
-	COUNT * STRIDE * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  devm_kzalloc(HANDLE,
-	(COUNT) * (STRIDE) * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  devm_kzalloc(HANDLE,
-	COUNT * (STRIDE) * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  devm_kzalloc(HANDLE,
-	(COUNT) * STRIDE * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  devm_kzalloc(HANDLE,
-	(COUNT) * (STRIDE) * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  devm_kzalloc(HANDLE,
-	COUNT * STRIDE * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
)

// Any remaining multi-factor products, first at least 3-factor products,
// when they're not all constants...
@@
expression HANDLE;
expression E1, E2, E3;
constant C1, C2, C3;
@@

(
  devm_kzalloc(HANDLE, C1 * C2 * C3, ...)
|
  devm_kzalloc(HANDLE,
-	(E1) * E2 * E3
+	array3_size(E1, E2, E3)
  , ...)
|
  devm_kzalloc(HANDLE,
-	(E1) * (E2) * E3
+	array3_size(E1, E2, E3)
  , ...)
|
  devm_kzalloc(HANDLE,
-	(E1) * (E2) * (E3)
+	array3_size(E1, E2, E3)
  , ...)
|
  devm_kzalloc(HANDLE,
-	E1 * E2 * E3
+	array3_size(E1, E2, E3)
  , ...)
)

// And then all remaining 2 factors products when they're not all constants,
// keeping sizeof() as the second factor argument.
@@
expression HANDLE;
expression THING, E1, E2;
type TYPE;
constant C1, C2, C3;
@@

(
  devm_kzalloc(HANDLE, sizeof(THING) * C2, ...)
|
  devm_kzalloc(HANDLE, sizeof(TYPE) * C2, ...)
|
  devm_kzalloc(HANDLE, C1 * C2 * C3, ...)
|
  devm_kzalloc(HANDLE, C1 * C2, ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(TYPE) * (E2)
+	E2, sizeof(TYPE)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(TYPE) * E2
+	E2, sizeof(TYPE)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(THING) * (E2)
+	E2, sizeof(THING)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	sizeof(THING) * E2
+	E2, sizeof(THING)
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	(E1) * E2
+	E1, E2
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	(E1) * (E2)
+	E1, E2
  , ...)
|
- devm_kzalloc
+ devm_kcalloc
  (HANDLE,
-	E1 * E2
+	E1, E2
  , ...)
)

Signed-off-by: Kees Cook <keescook@chromium.org>
2018-06-12 16:19:22 -07:00
Kees Cook
6da2ec5605 treewide: kmalloc() -> kmalloc_array()
The kmalloc() function has a 2-factor argument form, kmalloc_array(). This
patch replaces cases of:

        kmalloc(a * b, gfp)

with:
        kmalloc_array(a * b, gfp)

as well as handling cases of:

        kmalloc(a * b * c, gfp)

with:

        kmalloc(array3_size(a, b, c), gfp)

as it's slightly less ugly than:

        kmalloc_array(array_size(a, b), c, gfp)

This does, however, attempt to ignore constant size factors like:

        kmalloc(4 * 1024, gfp)

though any constants defined via macros get caught up in the conversion.

Any factors with a sizeof() of "unsigned char", "char", and "u8" were
dropped, since they're redundant.

The tools/ directory was manually excluded, since it has its own
implementation of kmalloc().

The Coccinelle script used for this was:

// Fix redundant parens around sizeof().
@@
type TYPE;
expression THING, E;
@@

(
  kmalloc(
-	(sizeof(TYPE)) * E
+	sizeof(TYPE) * E
  , ...)
|
  kmalloc(
-	(sizeof(THING)) * E
+	sizeof(THING) * E
  , ...)
)

// Drop single-byte sizes and redundant parens.
@@
expression COUNT;
typedef u8;
typedef __u8;
@@

(
  kmalloc(
-	sizeof(u8) * (COUNT)
+	COUNT
  , ...)
|
  kmalloc(
-	sizeof(__u8) * (COUNT)
+	COUNT
  , ...)
|
  kmalloc(
-	sizeof(char) * (COUNT)
+	COUNT
  , ...)
|
  kmalloc(
-	sizeof(unsigned char) * (COUNT)
+	COUNT
  , ...)
|
  kmalloc(
-	sizeof(u8) * COUNT
+	COUNT
  , ...)
|
  kmalloc(
-	sizeof(__u8) * COUNT
+	COUNT
  , ...)
|
  kmalloc(
-	sizeof(char) * COUNT
+	COUNT
  , ...)
|
  kmalloc(
-	sizeof(unsigned char) * COUNT
+	COUNT
  , ...)
)

// 2-factor product with sizeof(type/expression) and identifier or constant.
@@
type TYPE;
expression THING;
identifier COUNT_ID;
constant COUNT_CONST;
@@

(
- kmalloc
+ kmalloc_array
  (
-	sizeof(TYPE) * (COUNT_ID)
+	COUNT_ID, sizeof(TYPE)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(TYPE) * COUNT_ID
+	COUNT_ID, sizeof(TYPE)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(TYPE) * (COUNT_CONST)
+	COUNT_CONST, sizeof(TYPE)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(TYPE) * COUNT_CONST
+	COUNT_CONST, sizeof(TYPE)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(THING) * (COUNT_ID)
+	COUNT_ID, sizeof(THING)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(THING) * COUNT_ID
+	COUNT_ID, sizeof(THING)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(THING) * (COUNT_CONST)
+	COUNT_CONST, sizeof(THING)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(THING) * COUNT_CONST
+	COUNT_CONST, sizeof(THING)
  , ...)
)

// 2-factor product, only identifiers.
@@
identifier SIZE, COUNT;
@@

- kmalloc
+ kmalloc_array
  (
-	SIZE * COUNT
+	COUNT, SIZE
  , ...)

// 3-factor product with 1 sizeof(type) or sizeof(expression), with
// redundant parens removed.
@@
expression THING;
identifier STRIDE, COUNT;
type TYPE;
@@

(
  kmalloc(
-	sizeof(TYPE) * (COUNT) * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  kmalloc(
-	sizeof(TYPE) * (COUNT) * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  kmalloc(
-	sizeof(TYPE) * COUNT * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  kmalloc(
-	sizeof(TYPE) * COUNT * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(TYPE))
  , ...)
|
  kmalloc(
-	sizeof(THING) * (COUNT) * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  kmalloc(
-	sizeof(THING) * (COUNT) * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  kmalloc(
-	sizeof(THING) * COUNT * (STRIDE)
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
|
  kmalloc(
-	sizeof(THING) * COUNT * STRIDE
+	array3_size(COUNT, STRIDE, sizeof(THING))
  , ...)
)

// 3-factor product with 2 sizeof(variable), with redundant parens removed.
@@
expression THING1, THING2;
identifier COUNT;
type TYPE1, TYPE2;
@@

(
  kmalloc(
-	sizeof(TYPE1) * sizeof(TYPE2) * COUNT
+	array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
  , ...)
|
  kmalloc(
-	sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
  , ...)
|
  kmalloc(
-	sizeof(THING1) * sizeof(THING2) * COUNT
+	array3_size(COUNT, sizeof(THING1), sizeof(THING2))
  , ...)
|
  kmalloc(
-	sizeof(THING1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(THING1), sizeof(THING2))
  , ...)
|
  kmalloc(
-	sizeof(TYPE1) * sizeof(THING2) * COUNT
+	array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
  , ...)
|
  kmalloc(
-	sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+	array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
  , ...)
)

// 3-factor product, only identifiers, with redundant parens removed.
@@
identifier STRIDE, SIZE, COUNT;
@@

(
  kmalloc(
-	(COUNT) * STRIDE * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  kmalloc(
-	COUNT * (STRIDE) * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  kmalloc(
-	COUNT * STRIDE * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  kmalloc(
-	(COUNT) * (STRIDE) * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  kmalloc(
-	COUNT * (STRIDE) * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  kmalloc(
-	(COUNT) * STRIDE * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  kmalloc(
-	(COUNT) * (STRIDE) * (SIZE)
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
|
  kmalloc(
-	COUNT * STRIDE * SIZE
+	array3_size(COUNT, STRIDE, SIZE)
  , ...)
)

// Any remaining multi-factor products, first at least 3-factor products,
// when they're not all constants...
@@
expression E1, E2, E3;
constant C1, C2, C3;
@@

(
  kmalloc(C1 * C2 * C3, ...)
|
  kmalloc(
-	(E1) * E2 * E3
+	array3_size(E1, E2, E3)
  , ...)
|
  kmalloc(
-	(E1) * (E2) * E3
+	array3_size(E1, E2, E3)
  , ...)
|
  kmalloc(
-	(E1) * (E2) * (E3)
+	array3_size(E1, E2, E3)
  , ...)
|
  kmalloc(
-	E1 * E2 * E3
+	array3_size(E1, E2, E3)
  , ...)
)

// And then all remaining 2 factors products when they're not all constants,
// keeping sizeof() as the second factor argument.
@@
expression THING, E1, E2;
type TYPE;
constant C1, C2, C3;
@@

(
  kmalloc(sizeof(THING) * C2, ...)
|
  kmalloc(sizeof(TYPE) * C2, ...)
|
  kmalloc(C1 * C2 * C3, ...)
|
  kmalloc(C1 * C2, ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(TYPE) * (E2)
+	E2, sizeof(TYPE)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(TYPE) * E2
+	E2, sizeof(TYPE)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(THING) * (E2)
+	E2, sizeof(THING)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	sizeof(THING) * E2
+	E2, sizeof(THING)
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	(E1) * E2
+	E1, E2
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	(E1) * (E2)
+	E1, E2
  , ...)
|
- kmalloc
+ kmalloc_array
  (
-	E1 * E2
+	E1, E2
  , ...)
)

Signed-off-by: Kees Cook <keescook@chromium.org>
2018-06-12 16:19:22 -07:00
Linus Torvalds
8efcf34a26 ARM: SoC: late updates
This is a branch with a few merge requests that either came in late, or
 took a while longer for us to review and merge than usual and thus cut
 it a bit close to the merge window. We stage them in a separate branch
 and if things look good, we still send them up -- and that's the case
 here.
 
 This is mostly DT additions for Renesas platforms, adding IP block
 descriptions for existing and new SoCs.
 
 There are also some driver updates for Qualcomm platforms for SMEM/QMI
 and GENI, which is their generalized serial protocol interface.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late updates from Olof Johansson:
 "This is a branch with a few merge requests that either came in late,
  or took a while longer for us to review and merge than usual and thus
  cut it a bit close to the merge window. We stage them in a separate
  branch and if things look good, we still send them up -- and that's
  the case here.

  This is mostly DT additions for Renesas platforms, adding IP block
  descriptions for existing and new SoCs.

  There are also some driver updates for Qualcomm platforms for SMEM/QMI
  and GENI, which is their generalized serial protocol interface"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (186 commits)
  soc: qcom: smem: introduce qcom_smem_virt_to_phys()
  soc: qcom: qmi: fix a buffer sizing bug
  MAINTAINERS: Update pattern for qcom_scm
  soc: Unconditionally include qcom Makefile
  soc: qcom: smem: check sooner in qcom_smem_set_global_partition()
  soc: qcom: smem: fix qcom_smem_set_global_partition()
  soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
  soc: qcom: smem: byte swap values properly
  soc: qcom: smem: return proper type for cached entry functions
  soc: qcom: smem: fix first cache entry calculation
  soc: qcom: cmd-db: Make endian-agnostic
  drivers: qcom: add command DB driver
  arm64: dts: renesas: salvator-common: Add ADV7482 support
  ARM: dts: r8a7740: Add CEU1
  ARM: dts: r8a7740: Add CEU0
  arm64: dts: renesas: salvator-common: enable VIN
  arm64: dts: renesas: r8a77970: add VIN and CSI-2 nodes
  arm64: dts: renesas: r8a77965: add VIN and CSI-2 nodes
  arm64: dts: renesas: r8a7796: add VIN and CSI-2 nodes
  arm64: dts: renesas: r8a7795-es1: add CSI-2 node
  ...
2018-06-11 18:19:45 -07:00
Linus Torvalds
32bcbf8b6d ARM: SoC driver updates
This branch contains platform-related driver updates for ARM and ARM64.
 
 Highlights:
  - ARM SCMI (System Control & Management Interface) driver cleanups
  - Hisilicon support for LPC bus w/ ACPI
  - Reset driver updates for several platforms: Uniphier,
  - Rockchip power domain bindings and hardware descriptions for several SoCs.
  - Tegra memory controller reset improvements
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "This contains platform-related driver updates for ARM and ARM64.

  Highlights:

   - ARM SCMI (System Control & Management Interface) driver cleanups

   - Hisilicon support for LPC bus w/ ACPI

   - Reset driver updates for several platforms: Uniphier,

   - Rockchip power domain bindings and hardware descriptions for
     several SoCs.

   - Tegra memory controller reset improvements"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (59 commits)
  ARM: tegra: fix compile-testing PCI host driver
  soc: rockchip: power-domain: add power domain support for px30
  dt-bindings: power: add binding for px30 power domains
  dt-bindings: power: add PX30 SoCs header for power-domain
  soc: rockchip: power-domain: add power domain support for rk3228
  dt-bindings: power: add binding for rk3228 power domains
  dt-bindings: power: add RK3228 SoCs header for power-domain
  soc: rockchip: power-domain: add power domain support for rk3128
  dt-bindings: power: add binding for rk3128 power domains
  dt-bindings: power: add RK3128 SoCs header for power-domain
  soc: rockchip: power-domain: add power domain support for rk3036
  dt-bindings: power: add binding for rk3036 power domains
  dt-bindings: power: add RK3036 SoCs header for power-domain
  dt-bindings: memory: tegra: Remove Tegra114 SATA and AFI reset definitions
  memory: tegra: Remove Tegra114 SATA and AFI reset definitions
  memory: tegra: Register SMMU after MC driver became ready
  soc: mediatek: remove unneeded semicolon
  soc: mediatek: add a fixed wait for SRAM stable
  soc: mediatek: introduce a CAPS flag for scp_domain_data
  soc: mediatek: reuse regmap_read_poll_timeout helpers
  ...
2018-06-11 18:15:22 -07:00
Linus Torvalds
7c00e8ae04 ARM: SoC platform updates
Here are the main updates for SoC support (besides DT additions) for ARM
 32- and 64-bit platforms. The branch also contains defconfig updates to
 turn on drivers and options as needed on the various platforms.
 
 The largest parts of the delta are from cleanups moving platform data
 and board file setup of TI platforms to ti-sysc bus drivers. There are
 also some sweeping changes of eeprom and nand setup on Davinci, i.MX
 and other platforms.
 
 Samsung is removing support for Exynos5440, which was an oddball SoC
 that hasn't been seen much use in designs.
 
 Renesas is adding support for new SoCs (R-Car E3, RZ/G1C and RZ/N1D).
 
 Linus Walleij is also removing support for ux500 (Sony Ericsson)
 U8540/9540 SoCs that never made it to significant mass production and
 products.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Here are the main updates for SoC support (besides DT additions) for
  ARM 32- and 64-bit platforms. The branch also contains defconfig
  updates to turn on drivers and options as needed on the various
  platforms.

  The largest parts of the delta are from cleanups moving platform data
  and board file setup of TI platforms to ti-sysc bus drivers. There are
  also some sweeping changes of eeprom and nand setup on Davinci, i.MX
  and other platforms.

  Samsung is removing support for Exynos5440, which was an oddball SoC
  that hasn't been seen much use in designs.

  Renesas is adding support for new SoCs (R-Car E3, RZ/G1C and RZ/N1D).

  Linus Walleij is also removing support for ux500 (Sony Ericsson)
  U8540/9540 SoCs that never made it to significant mass production and
  products"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
  MAINTAINERS: add NXP linux team maillist as i.MX reviewer
  ARM: stm32: Don't select DMA unconditionally on STM32MP157C
  arm64: defconfig: Enable PCIe on msm8996 and db820c
  ARM: pxa3xx: enable external wakeup pins
  ARM: pxa: stargate2: use device properties for at24 eeprom
  arm64: defconfig: Enable HISILICON_LPC
  arm64: defconfig: enable drivers for Poplar support
  arm64: defconfig: Enable UFS on msm8996
  ARM: berlin: switch to SPDX license identifier
  arm: berlin: remove non-necessary flush_cache_all()
  ARM: berlin: extend BG2CD Kconfig entry
  OMAP: CLK: CLKSRC: Add suspend resume hooks
  ARM: AM43XX: Add functions to save/restore am43xx control registers
  ASoC: ams_delta: use GPIO lookup table
  ARM: OMAP1: ams-delta: add GPIO lookup tables
  bus: ti-sysc: Fix optional clocks array access
  ARM: OMAP2+: Make sure LOGICRETSTATE bits are not cleared
  ARM: OMAP2+: prm44xx: Inroduce cpu_pm notifiers for context save/restore
  ARM: OMAP2+: prm44xx: Introduce context save/restore for am43 PRCM IO
  ARM: OMAP2+: powerdomain: Introduce cpu_pm notifiers for context save/restore
  ...
2018-06-11 17:49:09 -07:00
Linus Torvalds
6419945e33 This time we have a good set of changes to the core framework that do some
general cleanups, but nothing too major. The majority of the diff goes to
 two SoCs, Actions Semi and Qualcomm. A brand new driver is introduced for
 Actions Semi so it takes up some lines to add all the different types, and
 the Qualcomm diff is there because we add support for two SoCs and it's quite
 a bit of data.
 
 Otherwise the big driver updates are on TI Davinci and Amlogic platforms. And
 then the long tail of driver updates for various fixes and stuff follows
 after that.
 
 Core:
  - debugfs cleanups removing error checking and an unused provider API
  - Removal of a clk init typedef that isn't used
  - Usage of match_string() to simplify parent string name matching
  - OF clk helpers moved to their own file (linux/of_clk.h)
  - Make clk warnings more readable across kernel versions
 
 New Drivers:
  - Qualcomm SDM845 GCC and Video clk controllers
  - Qualcomm MSM8998 GCC
  - Actions Semi S900 SoC support
  - Nuvoton npcm750 microcontroller clks
  - Amlogic axg AO clock controller
 
 Removed Drivers:
  - Deprecated Rockchip clk-gate driver
 
 Updates:
  - debugfs functions stopped checking return values
  - Support for the MSIOF module clocks on Rensas R-Car M3-N
  - Support for the new Rensas RZ/G1C and R-Car E3 SoCs
  - Qualcomm GDSC, RCG, and PLL updates for clk changes in new SoCs
  - Berlin and Amlogic SPDX tagging
  - Usage of of_clk_get_parent_count() in more places
  - Proper implementation of the CDEV1/2 clocks on Tegra20
  - Allwinner H6 PRCM clock support and R40 EMAC support
  - Add critical flag to meson8b's fdiv2 as temporary fixup for ethernet
  - Round closest support for meson's mpll driver
  - Support for meson8b nand clocks and gxbb video decoder clocks
  - Mediatek mali clks
  - STM32MP1 fixes
  - Uniphier LD11/LD20 stream demux system clock
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This time we have a good set of changes to the core framework that do
  some general cleanups, but nothing too major. The majority of the diff
  goes to two SoCs, Actions Semi and Qualcomm. A brand new driver is
  introduced for Actions Semi so it takes up some lines to add all the
  different types, and the Qualcomm diff is there because we add support
  for two SoCs and it's quite a bit of data.

  Otherwise the big driver updates are on TI Davinci and Amlogic
  platforms. And then the long tail of driver updates for various fixes
  and stuff follows after that.

  Core:
   - debugfs cleanups removing error checking and an unused provider API
   - Removal of a clk init typedef that isn't used
   - Usage of match_string() to simplify parent string name matching
   - OF clk helpers moved to their own file (linux/of_clk.h)
   - Make clk warnings more readable across kernel versions

  New Drivers:
   - Qualcomm SDM845 GCC and Video clk controllers
   - Qualcomm MSM8998 GCC
   - Actions Semi S900 SoC support
   - Nuvoton npcm750 microcontroller clks
   - Amlogic axg AO clock controller

  Removed Drivers:
   - Deprecated Rockchip clk-gate driver

  Updates:
   - debugfs functions stopped checking return values
   - Support for the MSIOF module clocks on Rensas R-Car M3-N
   - Support for the new Rensas RZ/G1C and R-Car E3 SoCs
   - Qualcomm GDSC, RCG, and PLL updates for clk changes in new SoCs
   - Berlin and Amlogic SPDX tagging
   - Usage of of_clk_get_parent_count() in more places
   - Proper implementation of the CDEV1/2 clocks on Tegra20
   - Allwinner H6 PRCM clock support and R40 EMAC support
   - Add critical flag to meson8b's fdiv2 as temporary fixup for ethernet
   - Round closest support for meson's mpll driver
   - Support for meson8b nand clocks and gxbb video decoder clocks
   - Mediatek mali clks
   - STM32MP1 fixes
   - Uniphier LD11/LD20 stream demux system clock"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (134 commits)
  clk: qcom: Export clk_fabia_pll_configure()
  clk: bcm: Update and add Stingray clock entries
  dt-bindings: clk: Update Stingray binding doc
  clk-si544: Properly round requested frequency to nearest match
  clk: ingenic: jz4770: Add 150us delay after enabling VPU clock
  clk: ingenic: jz4770: Enable power of AHB1 bus after ungating VPU clock
  clk: ingenic: jz4770: Modify C1CLK clock to disable CPU clock stop on idle
  clk: ingenic: jz4770: Change OTG from custom to standard gated clock
  clk: ingenic: Support specifying "wait for clock stable" delay
  clk: ingenic: Add support for clocks whose gate bit is inverted
  clk: use match_string() helper
  clk: bcm2835: use match_string() helper
  clk: Return void from debug_init op
  clk: remove clk_debugfs_add_file()
  clk: tegra: no need to check return value of debugfs_create functions
  clk: davinci: no need to check return value of debugfs_create functions
  clk: bcm2835: no need to check return value of debugfs_create functions
  clk: no need to check return value of debugfs_create functions
  clk: imx6: add EPIT clock support
  clk: mvebu: use correct bit for 98DX3236 NAND
  ...
2018-06-09 12:06:24 -07:00
Geert Uytterhoeven
977d5ba450 soc: renesas: rcar-sysc: Make PM domain initialization more robust
The quirk for R-Car E3 ES1.0 added in commit 086b399965 ("soc:
renesas: r8a77990-sysc: Add workaround for 3DG-{A,B}") makes the 3DG-A
PM domain a subdomain of the 3DG-B PM domain.  However, registering
3DG-A with its parent fails silently, as the 3DG-B PM domain hasn't been
registered yet, and such failures are never reported.

Fix this by:
  1. Splitting PM Domain initialization in two steps, so all PM domains
     are registered before any child-parent links are established,
  2. Reporting any failures in establishing child-parent relations.

Check for and report pm_genpd_init() failures, too, as that function
gained a return value in commit 7eb231c337 ("PM / Domains: Convert
pm_genpd_init() to return an error code").

Fixes: 086b399965 ("soc: renesas: r8a77990-sysc: Add workaround for 3DG-{A,B}")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-06-08 10:04:25 +02:00
Linus Torvalds
1c8c5a9d38 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:

 1) Add Maglev hashing scheduler to IPVS, from Inju Song.

 2) Lots of new TC subsystem tests from Roman Mashak.

 3) Add TCP zero copy receive and fix delayed acks and autotuning with
    SO_RCVLOWAT, from Eric Dumazet.

 4) Add XDP_REDIRECT support to mlx5 driver, from Jesper Dangaard
    Brouer.

 5) Add ttl inherit support to vxlan, from Hangbin Liu.

 6) Properly separate ipv6 routes into their logically independant
    components. fib6_info for the routing table, and fib6_nh for sets of
    nexthops, which thus can be shared. From David Ahern.

 7) Add bpf_xdp_adjust_tail helper, which can be used to generate ICMP
    messages from XDP programs. From Nikita V. Shirokov.

 8) Lots of long overdue cleanups to the r8169 driver, from Heiner
    Kallweit.

 9) Add BTF ("BPF Type Format"), from Martin KaFai Lau.

10) Add traffic condition monitoring to iwlwifi, from Luca Coelho.

11) Plumb extack down into fib_rules, from Roopa Prabhu.

12) Add Flower classifier offload support to igb, from Vinicius Costa
    Gomes.

13) Add UDP GSO support, from Willem de Bruijn.

14) Add documentation for eBPF helpers, from Quentin Monnet.

15) Add TLS tx offload to mlx5, from Ilya Lesokhin.

16) Allow applications to be given the number of bytes available to read
    on a socket via a control message returned from recvmsg(), from
    Soheil Hassas Yeganeh.

17) Add x86_32 eBPF JIT compiler, from Wang YanQing.

18) Add AF_XDP sockets, with zerocopy support infrastructure as well.
    From Björn Töpel.

19) Remove indirect load support from all of the BPF JITs and handle
    these operations in the verifier by translating them into native BPF
    instead. From Daniel Borkmann.

20) Add GRO support to ipv6 gre tunnels, from Eran Ben Elisha.

21) Allow XDP programs to do lookups in the main kernel routing tables
    for forwarding. From David Ahern.

22) Allow drivers to store hardware state into an ELF section of kernel
    dump vmcore files, and use it in cxgb4. From Rahul Lakkireddy.

23) Various RACK and loss detection improvements in TCP, from Yuchung
    Cheng.

24) Add TCP SACK compression, from Eric Dumazet.

25) Add User Mode Helper support and basic bpfilter infrastructure, from
    Alexei Starovoitov.

26) Support ports and protocol values in RTM_GETROUTE, from Roopa
    Prabhu.

27) Support bulking in ->ndo_xdp_xmit() API, from Jesper Dangaard
    Brouer.

28) Add lots of forwarding selftests, from Petr Machata.

29) Add generic network device failover driver, from Sridhar Samudrala.

* ra.kernel.org:/pub/scm/linux/kernel/git/davem/net-next: (1959 commits)
  strparser: Add __strp_unpause and use it in ktls.
  rxrpc: Fix terminal retransmission connection ID to include the channel
  net: hns3: Optimize PF CMDQ interrupt switching process
  net: hns3: Fix for VF mailbox receiving unknown message
  net: hns3: Fix for VF mailbox cannot receiving PF response
  bnx2x: use the right constant
  Revert "net: sched: cls: Fix offloading when ingress dev is vxlan"
  net: dsa: b53: Fix for brcm tag issue in Cygnus SoC
  enic: fix UDP rss bits
  netdev-FAQ: clarify DaveM's position for stable backports
  rtnetlink: validate attributes in do_setlink()
  mlxsw: Add extack messages for port_{un, }split failures
  netdevsim: Add extack error message for devlink reload
  devlink: Add extack to reload and port_{un, }split operations
  net: metrics: add proper netlink validation
  ipmr: fix error path when ipmr_new_table fails
  ip6mr: only set ip6mr_table from setsockopt when ip6mr_new_table succeeds
  net: hns3: remove unused hclgevf_cfg_func_mta_filter
  netfilter: provide udp*_lib_lookup for nf_tproxy
  qed*: Utilize FW 8.37.2.0
  ...
2018-06-06 18:39:49 -07:00
Linus Torvalds
2857676045 - Introduce arithmetic overflow test helper functions (Rasmus)
- Use overflow helpers in 2-factor allocators (Kees, Rasmus)
 - Introduce overflow test module (Rasmus, Kees)
 - Introduce saturating size helper functions (Matthew, Kees)
 - Treewide use of struct_size() for allocators (Kees)
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Merge tag 'overflow-v4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull overflow updates from Kees Cook:
 "This adds the new overflow checking helpers and adds them to the
  2-factor argument allocators. And this adds the saturating size
  helpers and does a treewide replacement for the struct_size() usage.
  Additionally this adds the overflow testing modules to make sure
  everything works.

  I'm still working on the treewide replacements for allocators with
  "simple" multiplied arguments:

     *alloc(a * b, ...) -> *alloc_array(a, b, ...)

  and

     *zalloc(a * b, ...) -> *calloc(a, b, ...)

  as well as the more complex cases, but that's separable from this
  portion of the series. I expect to have the rest sent before -rc1
  closes; there are a lot of messy cases to clean up.

  Summary:

   - Introduce arithmetic overflow test helper functions (Rasmus)

   - Use overflow helpers in 2-factor allocators (Kees, Rasmus)

   - Introduce overflow test module (Rasmus, Kees)

   - Introduce saturating size helper functions (Matthew, Kees)

   - Treewide use of struct_size() for allocators (Kees)"

* tag 'overflow-v4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  treewide: Use struct_size() for devm_kmalloc() and friends
  treewide: Use struct_size() for vmalloc()-family
  treewide: Use struct_size() for kmalloc()-family
  device: Use overflow helpers for devm_kmalloc()
  mm: Use overflow helpers in kvmalloc()
  mm: Use overflow helpers in kmalloc_array*()
  test_overflow: Add memory allocation overflow tests
  overflow.h: Add allocation size calculation helpers
  test_overflow: Report test failures
  test_overflow: macrofy some more, do more tests for free
  lib: add runtime test of check_*_overflow functions
  compiler.h: enable builtin overflow checkers and add fallback code
2018-06-06 17:27:14 -07:00
Kees Cook
0ed2dd03b9 treewide: Use struct_size() for devm_kmalloc() and friends
Replaces open-coded struct size calculations with struct_size() for
devm_*, f2fs_*, and sock_* allocations. Automatically generated (and
manually adjusted) from the following Coccinelle script:

// Direct reference to struct field.
@@
identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc";
expression HANDLE;
expression GFP;
identifier VAR, ELEMENT;
expression COUNT;
@@

- alloc(HANDLE, sizeof(*VAR) + COUNT * sizeof(*VAR->ELEMENT), GFP)
+ alloc(HANDLE, struct_size(VAR, ELEMENT, COUNT), GFP)

// mr = kzalloc(sizeof(*mr) + m * sizeof(mr->map[0]), GFP_KERNEL);
@@
identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc";
expression HANDLE;
expression GFP;
identifier VAR, ELEMENT;
expression COUNT;
@@

- alloc(HANDLE, sizeof(*VAR) + COUNT * sizeof(VAR->ELEMENT[0]), GFP)
+ alloc(HANDLE, struct_size(VAR, ELEMENT, COUNT), GFP)

// Same pattern, but can't trivially locate the trailing element name,
// or variable name.
@@
identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc";
expression HANDLE;
expression GFP;
expression SOMETHING, COUNT, ELEMENT;
@@

- alloc(HANDLE, sizeof(SOMETHING) + COUNT * sizeof(ELEMENT), GFP)
+ alloc(HANDLE, CHECKME_struct_size(&SOMETHING, ELEMENT, COUNT), GFP)

Signed-off-by: Kees Cook <keescook@chromium.org>
2018-06-06 11:15:43 -07:00
Linus Torvalds
126f7051b4 sound updates for 4.18
We've got many code additions at this cycle as a result of quite a few
 new drivers.  Below are highlights:
 
 Core stuff:
 - Fix the long-standing issue with the device registration order;
   the control device is now registered at last
 - PCM locking code cleanups for RT kernels
 - Fixes for possible races in ALSA timer resolution accesses
 - TLV offset definitions in uapi
 
 ASoC:
 - Many fixes for the topology stuff, including fixes for v4 ABI
   compatibility
 - Lots of cleanups / quirks for Intel platforms based on Realtek
   CODECs
 - Continued componentization works, removing legacy CODEC stuff
 - Conversion of OMAP DMA to the new, more standard SDMA-PCM driver
 - Fixes and updates to Cirrus Logic SoC drivers
 - New Qualcomm DSP support
 - New drivers for Analog SSM2305, Atmel I2S controllers, Mediatek
   MT6351, MT6797 and MT7622, Qualcomm DSPs, Realtek RT1305, RT1306 and
   RT5668 and TI TSCS454
 
 HD-audio:
 - Finally better support for some CA0132 boards, allowing Windows
   firmware
 - HP Spectre x360 support along with a bulk of COEF stuff
 - Blacklisting power save default some known boards reported on Fedora
 
 USB-audio:
 - Continued improvements on UAC3 support; now BADD is supported
 - Fixes / improvements for Dell WD15 dock
 - Allow DMA coherent pages for PCM buffers for ARCH, MIPS & co
 
 Others:
 - New Xen sound frontend driver support
 - Cache implementation and other improvements for FireWire DICE
 - Conversions to octal permissions in allover places
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Merge tag 'sound-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "We've got many code additions at this cycle as a result of quite a few
  new drivers. Below are highlights:

  Core stuff:
   - Fix the long-standing issue with the device registration order; the
     control device is now registered at last
   - PCM locking code cleanups for RT kernels
   - Fixes for possible races in ALSA timer resolution accesses
   - TLV offset definitions in uapi

  ASoC:
   - Many fixes for the topology stuff, including fixes for v4 ABI
     compatibility
   - Lots of cleanups / quirks for Intel platforms based on Realtek
     CODECs
   - Continued componentization works, removing legacy CODEC stuff
   - Conversion of OMAP DMA to the new, more standard SDMA-PCM driver
   - Fixes and updates to Cirrus Logic SoC drivers
   - New Qualcomm DSP support
   - New drivers for Analog SSM2305, Atmel I2S controllers, Mediatek
     MT6351, MT6797 and MT7622, Qualcomm DSPs, Realtek RT1305, RT1306
     and RT5668 and TI TSCS454

  HD-audio:
   - Finally better support for some CA0132 boards, allowing Windows
     firmware
   - HP Spectre x360 support along with a bulk of COEF stuff
   - Blacklisting power save default some known boards reported on
     Fedora

  USB-audio:
   - Continued improvements on UAC3 support; now BADD is supported
   - Fixes / improvements for Dell WD15 dock
   - Allow DMA coherent pages for PCM buffers for ARCH, MIPS & co

  Others:
   - New Xen sound frontend driver support
   - Cache implementation and other improvements for FireWire DICE
   - Conversions to octal permissions in allover places"

* tag 'sound-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (386 commits)
  ASoC: dapm: delete dapm_kcontrol_data paths list before freeing it
  ALSA: usb-audio: remove redundant check on err
  ASoC: topology: Move skl-tplg-interface.h to uapi
  ASoC: topology: Move v4 manifest header data structures to uapi
  ASoC: topology: Improve backwards compatibility with v4 topology files
  ALSA: pci/hda: Remove unused, broken, header file
  ASoC: TSCS454: Add Support
  ASoC: Intel: kbl: Move codec sysclk config to codec_init function
  ASoC: simple-card: set cpu dai clk in hw_params
  ALSA: hda - Handle kzalloc() failure in snd_hda_attach_pcm_stream()
  ALSA: oxygen: use match_string() helper
  ASoC: dapm: use match_string() helper
  ASoC: max98095: use match_string() helper
  ASoC: max98088: use match_string() helper
  ASoC: Intel: bytcr_rt5651: Set card long_name based on quirks
  ASoC: mt6797-mt6351: add hostless phone call path
  ASoC: mt6797: add Hostless DAI
  ASoC: mt6797: add PCM interface
  ASoC: mediatek: export mtk-afe symbols as needed
  ASoC: codecs: PCM1789: include gpio/consumer.h
  ...
2018-06-06 09:08:38 -07:00
Linus Torvalds
3c89adb0d1 Power management updates for 4.18-rc1
These include a significant update of the generic power domains (genpd)
 and Operating Performance Points (OPP) frameworks, mostly related to
 the introduction of power domain performance levels, cpufreq updates
 (new driver for Qualcomm Kryo processors, updates of the existing
 drivers, some core fixes, schedutil governor improvements), PCI power
 management fixes, ACPI workaround for EC-based wakeup events handling
 on resume from suspend-to-idle, and major updates of the turbostat
 and pm-graph utilities.
 
 Specifics:
 
  - Introduce power domain performance levels into the the generic
    power domains (genpd) and Operating Performance Points (OPP)
    frameworks (Viresh Kumar, Rajendra Nayak, Dan Carpenter).
 
  - Fix two issues in the runtime PM framework related to the
    initialization and removal of devices using device links (Ulf
    Hansson).
 
  - Clean up the initialization of drivers for devices in PM domains
    (Ulf Hansson, Geert Uytterhoeven).
 
  - Fix a cpufreq core issue related to the policy sysfs interface
    causing CPU online to fail for CPUs sharing one cpufreq policy in
    some situations (Tao Wang).
 
  - Make it possible to use platform-specific suspend/resume hooks
    in the cpufreq-dt driver and make the Armada 37xx DVFS use that
    feature (Viresh Kumar, Miquel Raynal).
 
  - Optimize policy transition notifications in cpufreq (Viresh Kumar).
 
  - Improve the iowait boost mechanism in the schedutil cpufreq
    governor (Patrick Bellasi).
 
  - Improve the handling of deferred frequency updates in the
    schedutil cpufreq governor (Joel Fernandes, Dietmar Eggemann,
    Rafael Wysocki, Viresh Kumar).
 
  - Add a new cpufreq driver for Qualcomm Kryo (Ilia Lin).
 
  - Fix and clean up some cpufreq drivers (Colin Ian King, Dmitry
    Osipenko, Doug Smythies, Luc Van Oostenryck, Simon Horman,
    Viresh Kumar).
 
  - Fix the handling of PCI devices with the DPM_SMART_SUSPEND flag
    set and update stale comments in the PCI core PM code (Rafael
    Wysocki).
 
  - Work around an issue related to the handling of EC-based wakeup
    events in the ACPI PM core during resume from suspend-to-idle if
    the EC has been put into the low-power mode (Rafael Wysocki).
 
  - Improve the handling of wakeup source objects in the PM core (Doug
    Berger, Mahendran Ganesh, Rafael Wysocki).
 
  - Update the driver core to prevent deferred probe from breaking
    suspend/resume ordering (Feng Kan).
 
  - Clean up the PM core somewhat (Bjorn Helgaas, Ulf Hansson, Rafael
    Wysocki).
 
  - Make the core suspend/resume code and cpufreq support the RT patch
    (Sebastian Andrzej Siewior, Thomas Gleixner).
 
  - Consolidate the PM QoS handling in cpuidle governors (Rafael
    Wysocki).
 
  - Fix a possible crash in the hibernation core (Tetsuo Handa).
 
  - Update the rockchip-io Adaptive Voltage Scaling (AVS) driver
    (David Wu).
 
  - Update the turbostat utility (fixes, cleanups, new CPU IDs, new
    command line options, built-in "Low Power Idle" counters support,
    new POLL and POLL% columns) and add an entry for it to MAINTAINERS
    (Len Brown, Artem Bityutskiy, Chen Yu, Laura Abbott, Matt Turner,
    Prarit Bhargava, Srinivas Pandruvada).
 
  - Update the pm-graph to version 5.1 (Todd Brandt).
 
  - Update the intel_pstate_tracer utility (Doug Smythies).
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Merge tag 'pm-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These include a significant update of the generic power domains
  (genpd) and Operating Performance Points (OPP) frameworks, mostly
  related to the introduction of power domain performance levels,
  cpufreq updates (new driver for Qualcomm Kryo processors, updates of
  the existing drivers, some core fixes, schedutil governor
  improvements), PCI power management fixes, ACPI workaround for
  EC-based wakeup events handling on resume from suspend-to-idle, and
  major updates of the turbostat and pm-graph utilities.

  Specifics:

   - Introduce power domain performance levels into the the generic
     power domains (genpd) and Operating Performance Points (OPP)
     frameworks (Viresh Kumar, Rajendra Nayak, Dan Carpenter).

   - Fix two issues in the runtime PM framework related to the
     initialization and removal of devices using device links (Ulf
     Hansson).

   - Clean up the initialization of drivers for devices in PM domains
     (Ulf Hansson, Geert Uytterhoeven).

   - Fix a cpufreq core issue related to the policy sysfs interface
     causing CPU online to fail for CPUs sharing one cpufreq policy in
     some situations (Tao Wang).

   - Make it possible to use platform-specific suspend/resume hooks in
     the cpufreq-dt driver and make the Armada 37xx DVFS use that
     feature (Viresh Kumar, Miquel Raynal).

   - Optimize policy transition notifications in cpufreq (Viresh Kumar).

   - Improve the iowait boost mechanism in the schedutil cpufreq
     governor (Patrick Bellasi).

   - Improve the handling of deferred frequency updates in the schedutil
     cpufreq governor (Joel Fernandes, Dietmar Eggemann, Rafael Wysocki,
     Viresh Kumar).

   - Add a new cpufreq driver for Qualcomm Kryo (Ilia Lin).

   - Fix and clean up some cpufreq drivers (Colin Ian King, Dmitry
     Osipenko, Doug Smythies, Luc Van Oostenryck, Simon Horman, Viresh
     Kumar).

   - Fix the handling of PCI devices with the DPM_SMART_SUSPEND flag set
     and update stale comments in the PCI core PM code (Rafael Wysocki).

   - Work around an issue related to the handling of EC-based wakeup
     events in the ACPI PM core during resume from suspend-to-idle if
     the EC has been put into the low-power mode (Rafael Wysocki).

   - Improve the handling of wakeup source objects in the PM core (Doug
     Berger, Mahendran Ganesh, Rafael Wysocki).

   - Update the driver core to prevent deferred probe from breaking
     suspend/resume ordering (Feng Kan).

   - Clean up the PM core somewhat (Bjorn Helgaas, Ulf Hansson, Rafael
     Wysocki).

   - Make the core suspend/resume code and cpufreq support the RT patch
     (Sebastian Andrzej Siewior, Thomas Gleixner).

   - Consolidate the PM QoS handling in cpuidle governors (Rafael
     Wysocki).

   - Fix a possible crash in the hibernation core (Tetsuo Handa).

   - Update the rockchip-io Adaptive Voltage Scaling (AVS) driver (David
     Wu).

   - Update the turbostat utility (fixes, cleanups, new CPU IDs, new
     command line options, built-in "Low Power Idle" counters support,
     new POLL and POLL% columns) and add an entry for it to MAINTAINERS
     (Len Brown, Artem Bityutskiy, Chen Yu, Laura Abbott, Matt Turner,
     Prarit Bhargava, Srinivas Pandruvada).

   - Update the pm-graph to version 5.1 (Todd Brandt).

   - Update the intel_pstate_tracer utility (Doug Smythies)"

* tag 'pm-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (128 commits)
  tools/power turbostat: update version number
  tools/power turbostat: Add Node in output
  tools/power turbostat: add node information into turbostat calculations
  tools/power turbostat: remove num_ from cpu_topology struct
  tools/power turbostat: rename num_cores_per_pkg to num_cores_per_node
  tools/power turbostat: track thread ID in cpu_topology
  tools/power turbostat: Calculate additional node information for a package
  tools/power turbostat: Fix node and siblings lookup data
  tools/power turbostat: set max_num_cpus equal to the cpumask length
  tools/power turbostat: if --num_iterations, print for specific number of iterations
  tools/power turbostat: Add Cannon Lake support
  tools/power turbostat: delete duplicate #defines
  x86: msr-index.h: Correct SNB_C1/C3_AUTO_UNDEMOTE defines
  tools/power turbostat: Correct SNB_C1/C3_AUTO_UNDEMOTE defines
  tools/power turbostat: add POLL and POLL% column
  tools/power turbostat: Fix --hide Pk%pc10
  tools/power turbostat: Build-in "Low Power Idle" counters support
  tools/power turbostat: Don't make man pages executable
  tools/power turbostat: remove blank lines
  tools/power turbostat: a small C-states dump readability immprovement
  ...
2018-06-05 09:38:39 -07:00
David S. Miller
9c54aeb03a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Filling in the padding slot in the bpf structure as a bug fix in 'ne'
overlapped with actually using that padding area for something in
'net-next'.

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-06-03 09:31:58 -04:00
Linus Torvalds
4277e6b9fd Final MIPS fixes for 4.17
A final few MIPS fixes for 4.17:
 
  - Drop Lantiq gphy reboot/remove reset (4.14)
 
  - prctl(PR_SET_FP_MODE): Disallow PRE without FR (4.0)
 
  - ptrace(PTRACE_PEEKUSR): Fix 64-bit FGRs (3.15)
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Merge tag 'mips_fixes_4.17_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS fixes from James Hogan:
 "A final few MIPS fixes for 4.17:

   - drop Lantiq gphy reboot/remove reset (4.14)

   - prctl(PR_SET_FP_MODE): Disallow PRE without FR (4.0)

   - ptrace(PTRACE_PEEKUSR): Fix 64-bit FGRs (3.15)"

* tag 'mips_fixes_4.17_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs
  MIPS: prctl: Disallow FRE without FR with PR_SET_FP_MODE requests
  MIPS: lantiq: gphy: Drop reboot/remove reset asserts
2018-06-02 10:12:23 -07:00
Olof Johansson
a51dcd297d Renesas ARM Based SoC Updates for v4.18
* SoC
   - Change platform dependency to ARCH_RENESAS
 
     Geert Uytterhoeven says "The Renesas Fine Display Processor driver is
     used on Renesas R-Car SoCs only.  Since commit 9b5ba0df4e ("ARM:
     shmobile: Introduce ARCH_RENESAS") is ARCH_RENESAS a more appropriate
     platform dependency than the legacy ARCH_SHMOBILE, hence use the
     former.
 
     This will allow to drop ARCH_SHMOBILE on ARM and ARM64 in the near
     future."
 
   - Add the to Kconfig RZ/N1D (r9a06g032) SoC
 
     In preparation for upstream support of this SoC
 
   - Identify R-Car E3 (r8a77990) SoC
 
   - Identify and add minimal support for RZ/G1C (r8a77470) SoC
 
 * R-Car SYSC
   - Add support for R-Car E3 (r8a77990) SoC
 
     Shimoda-san says this adds:
     + "Cortex-A53 CPU{0,1}, Cortex-A53 SCU, Cortex-R7, A3VC,
        A2VC1 and 3DG-{A,B} power domain areas..."
 
     + "workaround for 3DG-{A,B} of R-Car E3 ES1.0 because
        the SoC has a restriction about the order."
 
   - Remove unused inclusion of <linux/sys_soc.h>,
 
   - Make r8a77995_areas[] const.
 
 * R-Car Reset
 
   - Add support for R-Car E3 (r8a77990) SoC
 
     This driver is needed for the clock driver to work
 
 * Debug-LL
 
   - Add support for RZ/G1C (r8a77470) SoC
 
     RZ/G1C uses SCIF1 for the debug console
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Merge tag 'renesas-soc-for-v4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Renesas ARM Based SoC Updates for v4.18

* SoC
  - Change platform dependency to ARCH_RENESAS
    This will allow to drop ARCH_SHMOBILE on ARM and ARM64 in the near
    future.
  - Add the to Kconfig RZ/N1D (r9a06g032) SoC
  - Identify R-Car E3 (r8a77990) SoC
  - Identify and add minimal support for RZ/G1C (r8a77470) SoC

* R-Car SYSC
  - Add support for R-Car E3 (r8a77990) SoC
  - Remove unused inclusion of <linux/sys_soc.h>,
  - Make r8a77995_areas[] const.

* R-Car Reset
  - Add support for R-Car E3 (r8a77990) SoC

* Debug-LL
  - Add support for RZ/G1C (r8a77470) SoC

* tag 'renesas-soc-for-v4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: r8a77990-sysc: Add workaround for 3DG-{A,B}
  soc: renesas: rcar-sysc: Add support for R-Car E3 power areas
  arm: shmobile: Add the RZ/N1D (R9A06G032) to the shmobile Kconfig
  arm: shmobile: Change platform dependency to ARCH_RENESAS
  soc: renesas: r8a77995-sysc: Cleanups
  soc: renesas: rcar-rst: Add support for R-Car E3
  soc: renesas: Add r8a77990 SYSC PM Domain Binding Definitions
  soc: renesas: identify R-Car E3
  ARM: debug-ll: Add support for r8a77470
  ARM: shmobile: Add the RZ/N1 arch to the shmobile Kconfig
  ARM: shmobile: r8a77470: basic SoC support
  soc: renesas: rcar-sysc: Add r8a77470 support
  soc: renesas: rcar-rst: Add support for RZ/G1C
  soc: renesas: Identify RZ/G1C

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-05-26 14:39:59 -07:00
Olof Johansson
ae709bf8ad Qualcomm ARM Based Driver Updates for v4.18
* Various SMEM updates/fixes
 * Add qcom_smem_virt_to_phys SMEM API
 * Update MAINTAINERS to include qcom_scm pattern
 * Add Qualcomm Command DB driver
 * Add Qualcomm SCM compatible for IPQ4019
 * Add MSM8998 to smd-rpm compatible list
 * Add Qualcomm GENI based QUP wrapper
 * Fix Qualcomm QMI buffer sizing bug
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Merge tag 'qcom-drivers-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/late

Qualcomm ARM Based Driver Updates for v4.18

* Various SMEM updates/fixes
* Add qcom_smem_virt_to_phys SMEM API
* Update MAINTAINERS to include qcom_scm pattern
* Add Qualcomm Command DB driver
* Add Qualcomm SCM compatible for IPQ4019
* Add MSM8998 to smd-rpm compatible list
* Add Qualcomm GENI based QUP wrapper
* Fix Qualcomm QMI buffer sizing bug

* tag 'qcom-drivers-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: smem: introduce qcom_smem_virt_to_phys()
  soc: qcom: qmi: fix a buffer sizing bug
  MAINTAINERS: Update pattern for qcom_scm
  soc: Unconditionally include qcom Makefile
  soc: qcom: smem: check sooner in qcom_smem_set_global_partition()
  soc: qcom: smem: fix qcom_smem_set_global_partition()
  soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
  soc: qcom: smem: byte swap values properly
  soc: qcom: smem: return proper type for cached entry functions
  soc: qcom: smem: fix first cache entry calculation
  soc: qcom: cmd-db: Make endian-agnostic
  drivers: qcom: add command DB driver
  soc: qcom: Add GENI based QUP Wrapper driver
  soc: qcom: smd-rpm: Add msm8998 compatible
  firmware: qcom: scm: Add ipq4019 soc compatible

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-05-26 11:51:55 -07:00
Olof Johansson
dd557af60e Power-domain support for Rockchip socs px30, rk3128, rk3228 and rk3036.
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Merge tag 'v4.18-rockchip-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Power-domain support for Rockchip socs px30, rk3128, rk3228 and rk3036.

* tag 'v4.18-rockchip-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: power-domain: add power domain support for px30
  dt-bindings: power: add binding for px30 power domains
  dt-bindings: power: add PX30 SoCs header for power-domain
  soc: rockchip: power-domain: add power domain support for rk3228
  dt-bindings: power: add binding for rk3228 power domains
  dt-bindings: power: add RK3228 SoCs header for power-domain
  soc: rockchip: power-domain: add power domain support for rk3128
  dt-bindings: power: add binding for rk3128 power domains
  dt-bindings: power: add RK3128 SoCs header for power-domain
  soc: rockchip: power-domain: add power domain support for rk3036
  dt-bindings: power: add binding for rk3036 power domains
  dt-bindings: power: add RK3036 SoCs header for power-domain

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-05-25 14:57:10 -07:00
Alex Elder
6d361c1db7 soc: qcom: smem: introduce qcom_smem_virt_to_phys()
Create function qcom_smem_virt_to_phys(), which returns the physical
address corresponding to a given SMEM item's virtual address.  This
feature is required for a driver that will soon be out for review.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:59 -05:00
Alex Elder
7df5ff258b soc: qcom: qmi: fix a buffer sizing bug
In qmi_handle_init(), a buffer is allocated for to hold messages
received through the handle's socket.  Any "normal" messages
(expected by the caller) will have a header prepended, so the
buffer size is adjusted to accomodate that.

The buffer must also be of sufficient size to receive control
messages, so the size is increased if necessary to ensure these
will fit.

Unfortunately the calculation is done wrong, making it possible
for the calculated buffer size to be too small to hold a "normal"
message.  Specifically, if:

  recv_buf_size > sizeof(struct qrtr_ctrl_pkt) - sizeof(struct qmi_header)
		AND
  recv_buf_size < sizeof(struct qrtr_ctrl_pkt)

the current logic will use sizeof(struct qrtr_ctrl_pkt) as the
receive buffer size, which is not enough to hold the maximum
"normal" message plus its header.  Currently this problem occurs
for (13 < recv_buf_size < 20).

This patch corrects this.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:58 -05:00
Guenter Roeck
cab673583d soc: Unconditionally include qcom Makefile
Incoming Qualcomm changes for GENI, i2c [1], and cmd-db [2] are enabled
with COMPILE_TEST in drivers/soc/qcom. For this to work, the Makefile
in that directory has to be included unconditionally, rather than only
if ARCH_QCOM is enabled.

Example of the errors seen on allmodconfig with the GENI, i2c, and
cmd-db patches applied:

Kernel: arch/x86/boot/bzImage is ready  (#1)
ERROR: "geni_se_select_mode" [drivers/tty/serial/qcom_geni_serial.ko] undefined!
ERROR: "geni_se_init" [drivers/tty/serial/qcom_geni_serial.ko] undefined!
ERROR: "geni_se_config_packing" [drivers/tty/serial/qcom_geni_serial.ko] undefined!
ERROR: "geni_se_resources_on" [drivers/tty/serial/qcom_geni_serial.ko] undefined!
ERROR: "geni_se_resources_off" [drivers/tty/serial/qcom_geni_serial.ko] undefined!
ERROR: "geni_se_tx_dma_unprep" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
ERROR: "geni_se_tx_dma_prep" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
ERROR: "geni_se_rx_dma_unprep" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
ERROR: "geni_se_rx_dma_prep" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
ERROR: "geni_se_select_mode" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
ERROR: "geni_se_config_packing" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
ERROR: "geni_se_init" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
ERROR: "geni_se_resources_off" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
ERROR: "geni_se_resources_on" [drivers/i2c/busses/i2c-qcom-geni.ko] undefined!
make[1]: *** [scripts/Makefile.modpost:92: __modpost] Error 1
make: *** [Makefile:1237: modules] Error 2

[1] https://patchwork.ozlabs.org/cover/893437/
[2] https://lkml.org/lkml/2018/4/10/714

Signed-off-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:57 -05:00
Alex Elder
11d2e7edac soc: qcom: smem: check sooner in qcom_smem_set_global_partition()
There's no sense in scanning the partition table again if we know
the global partition has already been discovered.  Check for a
non-null global_partition pointer in qcom_smem_set_global_partition()
immediately.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:56 -05:00
Alex Elder
8fa1a21409 soc: qcom: smem: fix qcom_smem_set_global_partition()
If there is at least one entry in the partition table, but no global
entry, the qcom_smem_set_global_partition() should return an error
just like it does if there are no partition table entries.

It turns out the function still returns an error in this case, but
it waits to do so until it has mistakenly treated the last entry in
the table as if it were the global entry found.

Fix the function to return immediately if no global entry is found
in the table.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:55 -05:00
Alex Elder
8377f8181d soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
It's OK if the space for a newly-allocated uncached entry actually
touches the free cached space boundary.  It's only a problem if it
would cross it.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:55 -05:00
Alex Elder
04a512fea3 soc: qcom: smem: byte swap values properly
Two places report an error when a partition header is found to
not contain the right canary value.  The error messages do not
properly byte swap the host ids.  Fix this, and adjust the format
specificier to match the 16-bit unsigned data type.

Move the error handling for a bad canary value to the end of
qcom_smem_alloc_private().  This avoids some long lines, and
reduces the distraction of handling this unexpected problem.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:54 -05:00
Alex Elder
e221a1da97 soc: qcom: smem: return proper type for cached entry functions
What phdr_to_last_uncached_entry() returns is the address of the
start of the free space following all allocated uncached entries.
It really doesn't refer to an actual (initialized) private entry
structure.   Similarly phdr_to_last_cached_entry() returns the
address of the end of free space, preceding the last allocated cache
entry.  Change both functions' return type to be pointer to void
to reflect this.

Meanwhile, phdr_to_first_cached_entry() really *does* point to a
private entry structure, so change its return type to reflect
this fact.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:54 -05:00
Alex Elder
7070874973 soc: qcom: smem: fix first cache entry calculation
Cached items are found at the high end of an smem partition.  A
cached item's shared memory precedes the private entry structure
that describes it.

The address of the structure describing the first cached item should
be returned by phdr_to_first_cached_entry().  However the function
calculates the start address using the wrong structure size.

Fix this by computing the first item's entry structure address by
subtracting the size of a private entry structure rather than a
partition header structure.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:53 -05:00
Stephen Boyd
36b0aefdee soc: qcom: cmd-db: Make endian-agnostic
This driver deals with memory that is stored in little-endian format.
Update the structures with the proper little-endian types and then
do the proper conversions when reading the fields. Note that we compare
the ids with a memcmp() because we already pad out the string 'id' field
to exactly 8 bytes with the strncpy() onto the stack.

Cc: Mahesh Sivasubramanian <msivasub@codeaurora.org>
Cc: Lina Iyer <ilina@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Evan Green <evgreen@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:52 -05:00
Mahesh Sivasubramanian
312416d917 drivers: qcom: add command DB driver
Command DB is a simple database in the shared memory of QCOM SoCs, that
provides information regarding shared resources. Some shared resources
in the SoC have properties that are probed dynamically at boot by the
remote processor. The information pertaining to the SoC and the platform
are made available in the shared memory. Drivers can query this
information using predefined strings.

Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org>
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-05-25 15:53:52 -05:00
Olof Johansson
d6bde1dbe3 i.MX drivers update for 4.18:
- Use platform_device_add_data() instead of a pointer to a static
    memory in gpc/gpcv2 driver for platform data passing, so that we
    can avoid a BUG() when calling platform_device_put().
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Merge tag 'imx-drivers-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

i.MX drivers update for 4.18:
 - Use platform_device_add_data() instead of a pointer to a static
   memory in gpc/gpcv2 driver for platform data passing, so that we
   can avoid a BUG() when calling platform_device_put().

* tag 'imx-drivers-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: Do not pass static memory as platform data
  soc: imx: gpcv2: Do not pass static memory as platform data

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-05-25 13:47:10 -07:00
Mathias Kresin
32795631e6
MIPS: lantiq: gphy: Drop reboot/remove reset asserts
While doing a global software reset, these bits are not cleared and let
some bootloader fail to initialise the GPHYs. The bootloader don't
expect the GPHYs in reset, as they aren't during power on.

The asserts were a workaround for a wrong syscon-reboot mask. With a
mask set which includes the GPHY resets, these resets aren't required
any more.

Fixes: 126534141b ("MIPS: lantiq: Add a GPHY driver which uses the RCU syscon-mfd")
Signed-off-by: Mathias Kresin <dev@kresin.me>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: John Crispin <john@phrozen.org>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org> # 4.14+
Patchwork: https://patchwork.linux-mips.org/patch/19003/
[jhogan@kernel.org: Fix build warnings]
Signed-off-by: James Hogan <jhogan@kernel.org>
2018-05-24 13:22:56 +01:00
Finley Xiao
9bdf401bf4 soc: rockchip: power-domain: add power domain support for px30
This driver is modified to support PX30 SoC.

Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2018-05-23 20:47:57 +02:00
Elaine Zhang
2dacbd1046 soc: rockchip: power-domain: add power domain support for rk3228
This driver is modified to support RK3228 SoC.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2018-05-23 20:47:57 +02:00
Elaine Zhang
277535f7b6 soc: rockchip: power-domain: add power domain support for rk3128
This driver is modified to support RK3128 SoC.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2018-05-23 20:47:57 +02:00
Caesar Wang
6f686e85ed soc: rockchip: power-domain: add power domain support for rk3036
This driver is modified to support RK3036 SoC.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2018-05-23 20:47:57 +02:00
Srinivas Kandagatla
e744619d05
soc: qcom: apr: fix invalid msg_type check
Removed invalid msg_type check.
This also fixes below static checker warning:
apr.c:95:35: warning: comparison is always true due to limited range of
 data type [-Wtype-limits]
warn: always true condition '(msg_type != 69864) => (0-u16max != 69864)'

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2018-05-17 18:11:23 +01:00
Yoshihiro Shimoda
086b399965 soc: renesas: r8a77990-sysc: Add workaround for 3DG-{A,B}
This patch adds workaround for 3DG-{A,B} of R-Car E3 ES1.0 because
the SoC has a restriction about the order.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-05-16 10:57:44 +02:00
Takeshi Kihara
44b12d4311 soc: renesas: rcar-sysc: Add support for R-Car E3 power areas
This patch adds Cortex-A53 CPU{0,1}, Cortex-A53 SCU, Cortex-R7, A3VC,
A2VC1 and 3DG-{A,B} power domain areas for the R8A77990 SoC.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[shimoda: fix 3DG-{A,B} and add SPDX-License-Identifier]
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-05-16 10:57:13 +02:00
Olof Johansson
67a41cc86f Fix for an issue introduced in 2016 where some powerdomains could only
be turned off but not on again.
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Merge tag 'v4.18-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Fix for an issue introduced in 2016 where some powerdomains could only
be turned off but not on again.

* tag 'v4.18-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: power-domain: Fix wrong value when power up pd with writemask

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-05-15 13:51:10 -07:00
Olof Johansson
f6b3f4ac52 - use timeout helpers for scpsys and infracfg drivers
- use of_device_get_match_data in pmic wrapper and scpsys
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Merge tag 'v4.17-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/drivers

- use timeout helpers for scpsys and infracfg drivers
- use of_device_get_match_data in pmic wrapper and scpsys

* tag 'v4.17-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
  soc: mediatek: remove unneeded semicolon
  soc: mediatek: add a fixed wait for SRAM stable
  soc: mediatek: introduce a CAPS flag for scp_domain_data
  soc: mediatek: reuse regmap_read_poll_timeout helpers
  regmap: include <linux/ktime.h> from include/linux/regmap.h
  soc: mediatek: reuse read[l,x]_poll_timeout helpers
  soc: mediatek: use of_device_get_match_data()

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-05-15 13:40:31 -07:00
Olof Johansson
3ea8f233cf Samsung soc drivers changes for v4.18
1. Clock operations during power domain on/off were moved to respective
    clock driver so clean up obsolete code from power domain driver.
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Merge tag 'samsung-drivers-4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Samsung soc drivers changes for v4.18

1. Clock operations during power domain on/off were moved to respective
   clock driver so clean up obsolete code from power domain driver.

* tag 'samsung-drivers-4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: pm_domains: Deprecate support for clocks

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-05-14 13:49:11 -07:00
Sean Wang
5b70cba407 soc: mediatek: remove unneeded semicolon
Fix up drivers/soc/mediatek/mtk-scpsys.c:255:2-3: Unneeded semicolon
accidently being added in commit f9e2f65dd561 ("soc: mediatek: add a
fixed wait for SRAM stable").

Fixes: f9e2f65dd561 ("soc: mediatek: add a fixed wait for SRAM stable")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-05-14 12:19:26 +02:00
Sean Wang
1ba96062b5 soc: mediatek: add a fixed wait for SRAM stable
MT7622_POWER_DOMAIN_WB doesn't send an ACK when its managed SRAM becomes
stable, which is not like the behavior the other power domains should
have. Therefore, it's necessary for such a power domain to have a fixed
and well-predefined duration to wait until its managed SRAM can be allowed
to access by all functions running on the top.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-05-14 12:19:26 +02:00
Sean Wang
ddf7aa996c soc: mediatek: introduce a CAPS flag for scp_domain_data
Instead of adding more and more fields to scp_domain_data which get
checked in the code flow, add a caps field used for an indication the
characteristics for each SCP domain.

At present, type u8 for the caps field is selected which can satisfy the
current situation and doesn't take up extra space against type bool
previously used.

Suggested-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-05-14 12:19:25 +02:00
Sean Wang
090c6243b1 soc: mediatek: reuse regmap_read_poll_timeout helpers
Reuse the common helpers regmap_read_poll_timeout provided by Linux core
instead of an open-coded handling.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-05-14 12:19:25 +02:00
Finley Xiao
9e59c5f66c soc: rockchip: power-domain: Fix wrong value when power up pd with writemask
Solve the pd could only ever turn off but never turn them on again,
if the pd registers have the writemask bits.

So far this affects the rk3328 only.

Fixes: 79bb17ce8e ("soc: rockchip: power-domain: Support domain control in hiword-registers")
Cc: stable@vger.kernel.org
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2018-05-14 11:53:26 +02:00
Olof Johansson
71fe67e0e2 ARM: SOC driver update for 4.18
- AEMIF driver update to support board files and remove
    need of mach-davinci aemif code
  - Use percpu counters for qmss datapath stats
  - License update for TI SCI
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Merge tag 'soc_drivers_for_4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers

ARM: SOC driver update for 4.18

 - AEMIF driver update to support board files and remove
   need of mach-davinci aemif code
 - Use percpu counters for qmss datapath stats
 - License update for TI SCI

* tag 'soc_drivers_for_4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  firmware: ti_sci: Switch to SPDX Licensing
  soc: ti: knav_qmss: Use percpu instead atomic for stats counter
  memory: aemif: add support for board files
  memory: aemif: don't rely on kbuild for driver's name

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-05-14 01:27:47 -07:00
Srinivas Kandagatla
6adba21eb4
soc: qcom: Add APR bus driver
This patch adds support to APR bus (Asynchronous Packet Router) driver.
APR driver is made as a bus driver so that the apr devices can added removed
more dynamically depending on the state of the services on the dsp.
APR is used for communication between application processor and QDSP to
use services on QDSP like Audio and others.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-and-tested-by: Rohit kumar <rohitkr@codeaurora.org>
Acked-by: Andy Gross <andy.gross@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2018-05-11 12:13:26 +09:00
Viresh Kumar
495ac33a3b soc/tegra: pmc: Don't allocate struct tegra_powergate on stack
With a later commit an instance of the struct device will be added to
struct genpd and with that the size of the struct tegra_powergate will
be over 1024 bytes. That generates following warning:

drivers/soc/tegra/pmc.c:579:1: warning: the frame size of 1200 bytes is larger than 1024 bytes [-Wframe-larger-than=]

Avoid such warnings by allocating the structure dynamically.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com>
2018-05-08 10:28:49 +05:30
David S. Miller
a7b15ab887 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Overlapping changes in selftests Makefile.

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-04 09:58:56 -04:00
Geert Uytterhoeven
3fd0121b02 soc/tegra: pmc: Use of_clk_get_parent_count() instead of open coding
As of_clk_get_parent_count() returns zero on failure, while
of_count_phandle_with_args() might return a negative error code, this
also fixes the issue of possibly using a very big number in the
allocation below.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-05-02 08:34:59 -07:00
Geert Uytterhoeven
54d52ad940 soc: rockchip: power-domain: Use of_clk_get_parent_count() instead of open coding
As of_clk_get_parent_count() returns zero on failure, while
of_count_phandle_with_args() might return a negative error code, this
also fixes the issue of possibly using a negative number in the
allocation below.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-05-02 08:33:52 -07:00
Karthikeyan Ramasubramanian
eddac5af06 soc: qcom: Add GENI based QUP Wrapper driver
This driver manages the Generic Interface (GENI) firmware based Qualcomm
Universal Peripheral (QUP) Wrapper. GENI based QUP is the next generation
programmable module composed of multiple Serial Engines (SE) and supports
a wide range of serial interfaces like UART, SPI, I2C, I3C, etc. This
driver also enables managing the serial interface independent aspects of
Serial Engines.

Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-04-25 00:12:05 -05:00
Bjorn Andersson
64bf6b260e soc: qcom: smd-rpm: Add msm8998 compatible
Add the compatible for the RPM in MSM8998, so that rpm resources can be
made available.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-04-25 00:11:28 -05:00
Andrey Smirnov
f54e714cfc soc: imx: gpc: Do not pass static memory as platform data
Platform device core assumes the ownership of dev.platform_data as
well as that it is dynamically allocated and it will try to kfree it
as a part of platform_device_release(). Change the code to use
platform_device_add_data() instead of a pointer to a static memory to
avoid causing a BUG() when calling platform_device_put().

The problem can be reproduced by artificially enabling the error path
of platform_device_add() call (around line 452).

Cc: Stefan Agner <stefan@agner.ch>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-04-23 17:03:15 +08:00
Andrey Smirnov
050f810e23 soc: imx: gpcv2: Do not pass static memory as platform data
Platform device core assumes the ownership of dev.platform_data as
well as that it is dynamically allocated and it will try to kfree it
as a part of platform_device_release(). Change the code to use
platform_device_add_data() n instead of a pointer to a static memory
to avoid causing a BUG() when calling platform_device_put().

The problem can be reproduced by artificially enabling the error path
of platform_device_add() call (around line 357).

Note that this change also allows us to constify imx7_pgc_domains,
since we no longer need to be able to modify it.

Cc: Stefan Agner <stefan@agner.ch>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-04-23 17:03:02 +08:00
David S. Miller
e0ada51db9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were simple overlapping changes in microchip
driver.

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-21 16:32:48 -04:00
Vasyl Gomonovych
bc3acbb875 soc: ti: knav_qmss: Use percpu instead atomic for stats counter
Hwqueue has collect statistics in heavy use queue_pop/queu_push functions
for cache efficiency and make push/pop faster use percpu variables.
For performance reasons, driver should keep descriptor in software handler
as short as possible and quickly return it back to hardware queue.
Descriptors coming into driver from hardware after pop and return back
by push to reduce descriptor lifetime in driver collect statistics on percpu.

Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
2018-04-20 10:20:36 -07:00
Geert Uytterhoeven
a3daeedad3 soc: renesas: r8a77995-sysc: Cleanups
Minor cleanup of artefacts caused by deriving from r8a7795-sysc.c:
  - Remove unused inclusion of <linux/sys_soc.h>,
  - Make r8a77995_areas[] const.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-04-20 12:14:47 +02:00
Murali Karicheri
a2dd6877b4 soc: ti: K2G: provide APIs to support driver probe deferral
This patch provide APIs to allow client drivers to support
probe deferral. On K2G SoC, devices can be probed only
after the ti_sci_pm_domains driver is probed and ready.
As drivers may get probed at different order, any driver
that depends on knav dma and qmss drivers, for example
netcp network driver, needs to defer probe until
knav devices are probed and ready to service. To do this,
add an API to query the device ready status from the knav
dma and qmss devices.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-18 21:00:56 -04:00
Murali Karicheri
350601b4f7 soc: ti: K2G: enhancement to support QMSS in K2G NAVSS
Navigator Subsystem (NAVSS) available on K2G SoC has a cut down
version of QMSS with less number of queues, internal linking ram
with lesser number of buffers etc.  It doesn't have status and
explicit push register space as in QMSS available on other K2 SoCs.
So define reg indices specific to QMSS on K2G. This patch introduces
"ti,66ak2g-navss-qm" compatibility to identify QMSS on K2G NAVSS
and to customize the dts handling code. Per Device manual,
descriptors with index less than or equal to regions0_size is in region 0
in the case of K2 QMSS where as for QMSS on K2G, descriptors with index
less than regions0_size is in region 0. So update the size accordingly in
the regions0_size bits of the linking ram size 0 register.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-18 21:00:56 -04:00
Sean Wang
4a58732c7c soc: mediatek: reuse read[l,x]_poll_timeout helpers
Reuse the common helpers read[l,x]_poll_timeout provided by Linux core
instead of an open-coded handling. The name of the local variable
sram_pdn_ack in scpsys_power_on is renamed to pdn_ack in order to be
consistent with the one used in scpsys_power_off.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-04-18 17:04:35 +02:00
Marek Szyprowski
b2b568c591 soc: samsung: pm_domains: Deprecate support for clocks
Handling of special clock operations on power domain on/off sequences has
been moved to respective Exynos clock controller drivers, so there is no
need to keep the duplicated (and conflicting) code in Exynos power domain
driver. Mark clock related properties in Exynos power domain bindings as
deprecated. This change has no inpact on backwards-compatibility, as the
new drivers properly work with old DTBs (deprecated properties are
ignored).

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2018-04-17 17:25:42 +02:00
Ryder Lee
38d19752a7 soc: mediatek: use of_device_get_match_data()
The usage of of_device_get_match_data() reduce the code size a bit.

Also, the only way to call pwrap_probe() is to match an entry in
of_pwrap_match_tbl[], so of_id cannot be NULL.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-04-17 16:36:44 +02:00
Florian Fainelli
0a12e80ce4 soc: bcm: raspberrypi-power: Fix use of __packed
Commit a09cd35658 ("ARM: bcm2835: add rpi power domain driver")
attempted to annotate the structure rpi_power_domain_packet with
__packed but introduced a typo and made it named __packet instead. Just
drop the annotation since the structure is naturally aligned already.

Fixes: a09cd35658 ("ARM: bcm2835: add rpi power domain driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2018-04-16 15:15:23 -07:00
Takeshi Kihara
b0d77648e0 soc: renesas: rcar-rst: Add support for R-Car E3
Add support for R-Car E3 (R8A77990) to the R-Car RST driver.
This driver is needed for the clock driver to work.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[shimoda: rebase]
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-04-16 16:01:25 +02:00
Takeshi Kihara
44842d4555 soc: renesas: identify R-Car E3
This patch adds support for identifying the R-Car E3 (R8A77990) SoC.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-04-16 16:01:25 +02:00
Biju Das
964f7c0dd2 soc: renesas: rcar-sysc: Add r8a77470 support
Add support for RZ/G1C (R8A77470) SoC power areas to the R-Car SYSC
driver.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-04-16 16:01:24 +02:00
Biju Das
a3a9033f11 soc: renesas: rcar-rst: Add support for RZ/G1C
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-04-16 16:01:24 +02:00
Biju Das
1daf13ba10 soc: renesas: Identify RZ/G1C
Add support for identifying the RZ/G1C (r8a77470) SoC.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-04-16 16:01:24 +02:00
Linus Torvalds
ca4e7c5120 The large diff this time around is from the addition of a new clk driver
for the TI Davinci family of SoCs. So far those clks have been supported
 with a custom implementation of the clk API in the arch port instead of in
 the CCF. With this driver merged we're one step closer to having a single
 clk API implementation.
 
 The other large diff is from the Amlogic clk driver that underwent some
 major surgery to use regmap. Beyond that, the biggest hitter is Samsung
 which needed some reworks to properly handle clk provider power domains
 and a bunch of PLL rate updates.
 
 The core framework was fairly quiet this round, just getting some cleanups
 and small fixes for some of the more esoteric features. And the usual
 set of driver non-critical fixes, cleanups, and minor additions are here as
 well.
 
 Core:
  - Rejig clk_ops::init() to be a little earlier for phase/accuracy ops
  - debugfs ops macroized to shave some lines of boilerplate code
  - Always calculate the phase instead of caching it in clk_get_phase()
  - More __must_check on bulk clk APIs
 
 New Drivers:
  - TI's Davinci family of SoCs
  - Intel's Stratix10 SoC
  - stm32mp157 SoC
  - Allwinner H6 CCU
  - Silicon Labs SI544 clock generator chip
  - Renesas R-Car M3-N and V3H SoCs
  - i.MX6SLL SoCs
 
 Removed Drivers:
  - ST-Ericsson AB8540/9540
 
 Updates:
  - Mediatek MT2701 and MT7622 audsys support and MT2712 updates
  - STM32F469 DSI and STM32F769 sdmmc2 support
  - GPIO clks can sleep now
  - Spreadtrum SC9860 RTC clks
  - Nvidia Tegra MBIST workarounds and various minor fixes
  - Rockchip phase handling fixes and a memory leak plugged
  - Renesas drivers switch to readl/writel from clk_readl/clk_writel
  - Renesas gained CPU (Z/Z2) and watchdog support
  - Rockchip rk3328 display clks and rk3399 1.6GHz PLL support
  - Qualcomm PM8921 PMIC XO buffers
  - Amlogic migrates to regmap APIs
  - TI Keystone clk latching support
  - Allwinner H3 and H5 video clk fixes
  - Broadcom BCM2835 PLLs needed another bit to enable
  - i.MX6SX CKO mux fix and i.MX7D Video PLL divider fix
  - i.MX6UL/ULL epdc_podf support
  - Hi3798CV200 COMBPHY0 and USB2_OTG_UTMI and phase support for eMMC
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "The large diff this time around is from the addition of a new clk
  driver for the TI Davinci family of SoCs. So far those clks have been
  supported with a custom implementation of the clk API in the arch port
  instead of in the CCF. With this driver merged we're one step closer
  to having a single clk API implementation.

  The other large diff is from the Amlogic clk driver that underwent
  some major surgery to use regmap. Beyond that, the biggest hitter is
  Samsung which needed some reworks to properly handle clk provider
  power domains and a bunch of PLL rate updates.

  The core framework was fairly quiet this round, just getting some
  cleanups and small fixes for some of the more esoteric features. And
  the usual set of driver non-critical fixes, cleanups, and minor
  additions are here as well.

  Core:
   - Rejig clk_ops::init() to be a little earlier for phase/accuracy ops
   - debugfs ops macroized to shave some lines of boilerplate code
   - Always calculate the phase instead of caching it in clk_get_phase()
   - More __must_check on bulk clk APIs

  New Drivers:
   - TI's Davinci family of SoCs
   - Intel's Stratix10 SoC
   - stm32mp157 SoC
   - Allwinner H6 CCU
   - Silicon Labs SI544 clock generator chip
   - Renesas R-Car M3-N and V3H SoCs
   - i.MX6SLL SoCs

  Removed Drivers:
   - ST-Ericsson AB8540/9540

  Updates:
   - Mediatek MT2701 and MT7622 audsys support and MT2712 updates
   - STM32F469 DSI and STM32F769 sdmmc2 support
   - GPIO clks can sleep now
   - Spreadtrum SC9860 RTC clks
   - Nvidia Tegra MBIST workarounds and various minor fixes
   - Rockchip phase handling fixes and a memory leak plugged
   - Renesas drivers switch to readl/writel from clk_readl/clk_writel
   - Renesas gained CPU (Z/Z2) and watchdog support
   - Rockchip rk3328 display clks and rk3399 1.6GHz PLL support
   - Qualcomm PM8921 PMIC XO buffers
   - Amlogic migrates to regmap APIs
   - TI Keystone clk latching support
   - Allwinner H3 and H5 video clk fixes
   - Broadcom BCM2835 PLLs needed another bit to enable
   - i.MX6SX CKO mux fix and i.MX7D Video PLL divider fix
   - i.MX6UL/ULL epdc_podf support
   - Hi3798CV200 COMBPHY0 and USB2_OTG_UTMI and phase support for eMMC"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (233 commits)
  clk: davinci: add a reset lookup table for psc0
  clk: imx: add clock driver for imx6sll
  dt-bindings: imx: update clock doc for imx6sll
  clk: imx: add new gate/gate2 wrapper funtion
  clk: imx: Add CLK_IS_CRITICAL flag for busy divider and busy mux
  clk: cs2000: set pm_ops in hibernate-compatible way
  clk: bcm2835: De-assert/assert PLL reset signal when appropriate
  clk: imx7d: Move clks_init_on before any clock operations
  clk: imx7d: Correct ahb clk parent select
  clk: imx7d: Correct dram pll type
  clk: imx7d: Add USB clock information
  clk: socfpga: stratix10: add clock driver for Stratix10 platform
  dt-bindings: documentation: add clock bindings information for Stratix10
  clk: ti: fix flag space conflict with clkctrl clocks
  clk: uniphier: add additional ethernet clock lines for Pro4
  clk: uniphier: add SATA clock control support
  clk: uniphier: add PCIe clock control support
  clk: Add driver for the si544 clock generator chip
  clk: davinci: Remove redundant dev_err calls
  clk: uniphier: add ethernet clock control support for PXs3
  ...
2018-04-13 15:51:06 -07:00
Linus Torvalds
92589cbdda remoteproc updates for v4.17
This adds support for generating coredumps for remoteprocs using
 devcoredump, adds the Qualcomm sysmon driver for intra-remoteproc crash
 handling and a number of fixes in Qualcomm and IMX drivers.
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Merge tag 'rproc-v4.17' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:

 - add support for generating coredumps for remoteprocs using
   devcoredump

 - add the Qualcomm sysmon driver for intra-remoteproc crash handling

 - a number of fixes in Qualcomm and IMX drivers

* tag 'rproc-v4.17' of git://github.com/andersson/remoteproc:
  remoteproc: fix null pointer dereference on glink only platforms
  soc: qcom: qmi: add CONFIG_NET dependency
  remoteproc: imx_rproc: Slightly simplify code in 'imx_rproc_probe()'
  remoteproc: imx_rproc: Re-use existing error handling path in 'imx_rproc_probe()'
  remoteproc: imx_rproc: Fix an error handling path in 'imx_rproc_probe()'
  samples: Introduce Qualcomm QMI sample client
  remoteproc: qcom: Introduce sysmon
  remoteproc: Pass type of shutdown to subdev remove
  remoteproc: qcom: Register segments for core dump
  soc: qcom: mdt-loader: Return relocation base
  remoteproc: Rename "load_rsc_table" to "parse_fw"
  remoteproc: Add remote processor coredump support
  remoteproc: Remove null character write of shared mem
2018-04-10 12:09:27 -07:00
Linus Torvalds
38c23685b2 ARM: SoC driver updates for 4.17
The main addition this time around is the new ARM "SCMI" framework,
 which is the latest in a series of standards coming from ARM to do power
 management in a platform independent way. This has been through many
 review cycles, and it relies on a rather interesting way of using the
 mailbox subsystem, but in the end I agreed that Sudeep's version was
 the best we could do after all.
 
 Other changes include:
 
 - the ARM CCN driver is moved out of drivers/bus into drivers/perf,
   which makes more sense. Similarly, the performance monitoring
   portion of the CCI driver are moved the same way and cleaned up
   a little more.
 
 - a series of updates to the SCPI framework
 
 - support for the Mediatek mt7623a SoC in drivers/soc
 
 - support for additional NVIDIA Tegra hardware in drivers/soc
 
 - a new reset driver for Socionext Uniphier
 
 - lesser bug fixes in drivers/soc, drivers/tee, drivers/memory, and
   drivers/firmware and drivers/reset across platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "The main addition this time around is the new ARM "SCMI" framework,
  which is the latest in a series of standards coming from ARM to do
  power management in a platform independent way.

  This has been through many review cycles, and it relies on a rather
  interesting way of using the mailbox subsystem, but in the end I
  agreed that Sudeep's version was the best we could do after all.

  Other changes include:

   - the ARM CCN driver is moved out of drivers/bus into drivers/perf,
     which makes more sense. Similarly, the performance monitoring
     portion of the CCI driver are moved the same way and cleaned up a
     little more.

   - a series of updates to the SCPI framework

   - support for the Mediatek mt7623a SoC in drivers/soc

   - support for additional NVIDIA Tegra hardware in drivers/soc

   - a new reset driver for Socionext Uniphier

   - lesser bug fixes in drivers/soc, drivers/tee, drivers/memory, and
     drivers/firmware and drivers/reset across platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (87 commits)
  reset: uniphier: add ethernet reset control support for PXs3
  reset: stm32mp1: Enable stm32mp1 reset driver
  dt-bindings: reset: add STM32MP1 resets
  reset: uniphier: add Pro4/Pro5/PXs2 audio systems reset control
  reset: imx7: add 'depends on HAS_IOMEM' to fix unmet dependency
  reset: modify the way reset lookup works for board files
  reset: add support for non-DT systems
  clk: scmi: use devm_of_clk_add_hw_provider() API and drop scmi_clocks_remove
  firmware: arm_scmi: prevent accessing rate_discrete uninitialized
  hwmon: (scmi) return -EINVAL when sensor information is unavailable
  amlogic: meson-gx-socinfo: Update soc ids
  soc/tegra: pmc: Use the new reset APIs to manage reset controllers
  soc: mediatek: update power domain data of MT2712
  dt-bindings: soc: update MT2712 power dt-bindings
  cpufreq: scmi: add thermal dependency
  soc: mediatek: fix the mistaken pointer accessed when subdomains are added
  soc: mediatek: add SCPSYS power domain driver for MediaTek MT7623A SoC
  soc: mediatek: avoid hardcoded value with bus_prot_mask
  dt-bindings: soc: add header files required for MT7623A SCPSYS dt-binding
  dt-bindings: soc: add SCPSYS binding for MT7623 and MT7623A SoC
  ...
2018-04-05 21:29:35 -07:00
Linus Torvalds
167569343f ARM: SoC platform updates for 4.17
This release brings up a new platform based on the old ARM9 core: the
 Nuvoton NPCM is used as a baseboard management controller, competing
 with the better known ASpeed AST2xx series.
 
 Another important change is the addition of ARMv7-A based chips
 in mach-stm32. The older parts in this platform are ARMv7-M based
 microcontrollers, now they are expanding to general-purpose workloads.
 
 The other changes are the usual defconfig updates to enable additional
 drivers, lesser bugfixes. The largest updates as often are the ongoing
 OMAP cleanups, but we also have a number of changes for the older
 PXA and davinci platforms this time.
 
 For the Renesas shmobile/r-car platform, some new infrastructure
 is needed to make the watchdog work correctly.
 
 Supporting Multiprocessing on Allwinner A80 required a significant
 amount of new code, but is not doing anything unexpected.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "This release brings up a new platform based on the old ARM9 core: the
  Nuvoton NPCM is used as a baseboard management controller, competing
  with the better known ASpeed AST2xx series.

  Another important change is the addition of ARMv7-A based chips in
  mach-stm32. The older parts in this platform are ARMv7-M based
  microcontrollers, now they are expanding to general-purpose workloads.

  The other changes are the usual defconfig updates to enable additional
  drivers, lesser bugfixes. The largest updates as often are the ongoing
  OMAP cleanups, but we also have a number of changes for the older PXA
  and davinci platforms this time.

  For the Renesas shmobile/r-car platform, some new infrastructure is
  needed to make the watchdog work correctly.

  Supporting Multiprocessing on Allwinner A80 required a significant
  amount of new code, but is not doing anything unexpected"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (179 commits)
  arm: npcm: modify configuration for the NPCM7xx BMC.
  MAINTAINERS: update entry for ARM/berlin
  ARM: omap2: fix am43xx build without L2X0
  ARM: davinci: da8xx: simplify CFGCHIP regmap_config
  ARM: davinci: da8xx: fix oops in USB PHY driver due to stack allocated platform_data
  ARM: multi_v7_defconfig: add NXP FlexCAN IP support
  ARM: multi_v7_defconfig: enable thermal driver for i.MX devices
  ARM: multi_v7_defconfig: add RN5T618 PMIC family support
  ARM: multi_v7_defconfig: add NXP graphics drivers
  ARM: multi_v7_defconfig: add GPMI NAND controller support
  ARM: multi_v7_defconfig: add OCOTP driver for NXP SoCs
  ARM: multi_v7_defconfig: configure I2C driver built-in
  arm64: defconfig: add CONFIG_UNIPHIER_THERMAL and CONFIG_SNI_AVE
  ARM: imx: fix imx6sll-only build
  ARM: imx: select ARM_CPU_SUSPEND for CPU_IDLE as well
  ARM: mxs_defconfig: Re-sync defconfig
  ARM: imx_v4_v5_defconfig: Use the generic fsl-asoc-card driver
  ARM: imx_v4_v5_defconfig: Re-sync defconfig
  arm64: defconfig: enable stmmac ethernet to defconfig
  ARM: EXYNOS: Simplify code in coupled CPU idle hot path
  ...
2018-04-05 21:21:08 -07:00
Linus Torvalds
b240b419db ARM: SoC device tree updates for 4.17
This is the usual set of changes for device trees, with over 700
 non-merged changesets. There is an ongoing set of dtc warning fixes and
 the usual bugfixes, cleanups and added device support.
 
 The most interesting bit as usual is support for new machines listed
 below:
 
 - The Allwinner H6 makes its debut with the Pine-H64 board, and we get
   two new machines based on its older siblings: the H5 based OrangePi
   Zero+ and the A64 based Teres-I Laptop from Olimex. On the 32-bit side,
   we add The Olimex som204 based on Allwinner A20, and the Banana Pi M2
   Zero development board (based on H2).
 
 - NVIDIA adds support for Tegra194 aka "Xavier", plus their p2972
   development board and p2888 CPU module.
 
 - The Nuvoton npcm750 is a BMC that was newly added, for now we only
   support running on the evaluation board.
 
 - STmicroelectronics stm32 gains support for the stm32mp157c and two
   evaluation boards.
 
 - The Toradex Colibri board family grows a few members based on the
   i.MX6ULL variant.
 
 - The Advantec DMS-BA16 is a Qseven module using the NXP i.MX6
   family of chips.
 
 - The Phytec phyBOARD Mira is a family of industrial boards based on
   i.MX6. For now, four models get added.
 
 - TI am335x based PDU-001 is an industrial embedded machine used for
   traffic monitoring
 
 - The Aspeed platform now supports running on the BMC on the Qualcomm
   Centriq 2400 server
 
 - Samsung Exynos4 based Galaxy S3 is a family of mobile phones Qualcomm
   msm8974 based Galaxy S5 is a rather different phone made by the same
   company.
 
 - The Xilinx Zynq and ZynqMP platforms now gained a lot of dts file
   for the various boards made by Xilinx themselves, as well as the
   Digilent Zybo Z7.
 
 - The ARM Versatile family now supports the "IB2" interface board.
 
 - The Renesas H2 based "Stout" and the H3 based Salvator-X are more
   evaluation boards named after a kind of beer, as most of them are.
   The r8a77980 (V3H) based "Condor" apparently doesn't follow that
   tradition. ;-)
 
 - ROC-RK3328-CC is a simple developement board from the Libre Computer
   Project, based on the Rockchips RK3328 SoC
 
 - Haiku is another development board plus Qseven module based on Rockchips
   RK3368 and made by Theobroma Systems.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree updates from Arnd Bergmann:
 "This is the usual set of changes for device trees, with over 700
  non-merged changesets. There is an ongoing set of dtc warning fixes
  and the usual bugfixes, cleanups and added device support.

  The most interesting bit as usual is support for new machines listed
  below:

   - The Allwinner H6 makes its debut with the Pine-H64 board, and we
     get two new machines based on its older siblings: the H5 based
     OrangePi Zero+ and the A64 based Teres-I Laptop from Olimex. On the
     32-bit side, we add The Olimex som204 based on Allwinner A20, and
     the Banana Pi M2 Zero development board (based on H2).

   - NVIDIA adds support for Tegra194 aka "Xavier", plus their p2972
     development board and p2888 CPU module.

   - The Nuvoton npcm750 is a BMC that was newly added, for now we only
     support running on the evaluation board.

   - STmicroelectronics stm32 gains support for the stm32mp157c and two
     evaluation boards.

   - The Toradex Colibri board family grows a few members based on the
     i.MX6ULL variant.

   - The Advantec DMS-BA16 is a Qseven module using the NXP i.MX6 family
     of chips.

   - The Phytec phyBOARD Mira is a family of industrial boards based on
     i.MX6. For now, four models get added.

   - TI am335x based PDU-001 is an industrial embedded machine used for
     traffic monitoring

   - The Aspeed platform now supports running on the BMC on the Qualcomm
     Centriq 2400 server

   - Samsung Exynos4 based Galaxy S3 is a family of mobile phones
     Qualcomm msm8974 based Galaxy S5 is a rather different phone made
     by the same company.

   - The Xilinx Zynq and ZynqMP platforms now gained a lot of dts file
     for the various boards made by Xilinx themselves, as well as the
     Digilent Zybo Z7.

   - The ARM Versatile family now supports the "IB2" interface board.

   - The Renesas H2 based "Stout" and the H3 based Salvator-X are more
     evaluation boards named after a kind of beer, as most of them are.
     The r8a77980 (V3H) based "Condor" apparently doesn't follow that
     tradition. ;-)

   - ROC-RK3328-CC is a simple developement board from the Libre
     Computer Project, based on the Rockchips RK3328 SoC

   - Haiku is another development board plus Qseven module based on
     Rockchips RK3368 and made by Theobroma Systems"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (701 commits)
  arm: dts: modify Nuvoton NPCM7xx device tree structure
  arm: dts: modify Makefile NPCM750 configuration name
  arm: dts: modify clock binding in NPCM750 device tree
  arm: dts: modify timer register size in NPCM750 device tree
  arm: dts: modify UART compatible name in NPCM750 device tree
  arm: dts: add watchdog device to NPCM750 device tree
  arm64: dts: uniphier: add ethernet node for PXs3
  ARM: dts: uniphier: add pinctrl groups of ethernet for second instance
  arm: dts: kirkwood*.dts: use SPDX-License-Identifier for board using GPL-2.0+
  arm: dts: kirkwood*.dts: use SPDX-License-Identifier for boards using GPL-2.0+/MIT
  arm: dts: kirkwood*.dts: use SPDX-License-Identifier for boards using GPL-2.0
  arm: dts: armada-385-turris-omnia: use SPDX-License-Identifier
  arm: dts: armada-385-db-ap: use SPDX-License-Identifier
  arm: dts: armada-388-rd: use SPDX-License-Identifier
  arm: dts: armada-xp-db-xc3-24g4xg: use SPDX-License-Identifier
  arm: dts: armada-xp-db-dxbc2: use SPDX-License-Identifier
  arm: dts: armada-370-db: use SPDX-License-Identifier
  arm: dts: armada-*.dts: use SPDX-License-Identifier for most of the Armada based board
  arm: dts: armada-xp-98dx: use SPDX-License-Identifier for prestara 98d SoCs
  arm: dts: armada-*.dtsi: use SPDX-License-Identifier for most of the Armada SoCs
  ...
2018-04-05 21:18:09 -07:00
Arnd Bergmann
7df3f0bb5f Rockchip soc drivers containing conversion of the power-domain driver
to use the clk-bulk APIs and two more socs to disable jtag-switching.
 On the plus-side the issue we see with that are _supposed_ to be fixed
 in hardware in upcoming socs, so maybe this can be the last of those.
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Merge tag 'v4.17-rockchip-drivers-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Pull "Rockchip driver changes for 4.17" from Heiko Stübner:

Rockchip soc drivers containing conversion of the power-domain driver
to use the clk-bulk APIs and two more socs to disable jtag-switching.
On the plus-side the issue we see with that are _supposed_ to be fixed
in hardware in upcoming socs, so maybe this can be the last of those.

* tag 'v4.17-rockchip-drivers-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: power-domain: Add a sanity check on pd->num_clks
  soc: rockchip: power-domain: use clk_bulk APIs
  soc: rockchip: disable jtag switching for RK3128 SoCs
  soc: rockchip: disable jtag switching for RK3228/RK3229 SoCs
2018-03-28 17:08:34 +02:00
Arnd Bergmann
dea4bd1975 soc: qcom: qmi: add CONFIG_NET dependency
Access to the socket API and the root network namespace is only available
when networking is enabled:

ERROR: "kernel_sendmsg" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "sock_release" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "sock_create_kern" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "kernel_getsockname" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "init_net" [drivers/soc/qcom/qmi_helpers.ko] undefined!
ERROR: "kernel_recvmsg" [drivers/soc/qcom/qmi_helpers.ko] undefined!

Adding a dependency on CONFIG_NET lets us build it in all randconfig
builds.

Fixes: 9b8a11e826 ("soc: qcom: Introduce QMI encoder/decoder")
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2018-03-27 13:43:29 -07:00
Arnd Bergmann
b701b41bb4 Qualcomm ARM Based Driver Updates for v4.17
* Fix NV upload increment in wcnss_ctrl
 * Add support in rmtfs-mem driver for assigning memory
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Merge tag 'qcom-drivers-for-4.17' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.17" from Andy Gross:

* Fix NV upload increment in wcnss_ctrl
* Add support in rmtfs-mem driver for assigning memory

* tag 'qcom-drivers-for-4.17' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: wcnss_ctrl: Fix increment in NV upload
  soc: qcom: rmtfs-mem: Add support for assigning memory to remote
2018-03-27 15:56:11 +02:00
Arnd Bergmann
3262b82d0c Amlogic driver updates for v4.17
- socinfo: add more IDs for newer SoC detection
 - firmware: update init to use module_platform_driver_probe
 - soc: mix. VPU power controller fixes
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Merge tag 'amlogic-drivers' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers

Pull "Amlogic driver updates for v4.17" from Kevin Hilman:

- socinfo: add more IDs for newer SoC detection
- firmware: update init to use module_platform_driver_probe
- soc: mix. VPU power controller fixes

* tag 'amlogic-drivers' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  amlogic: meson-gx-socinfo: Update soc ids
  firmware: meson-sm: rework meson_sm_init to use module_platform_driver_probe
  meson-gx-socinfo: make local function meson_gx_socinfo_init static
  meson-mx-socinfo: Make local function meson_mx_socinfo_init() static
  soc: amlogic: meson-gx-pwrc-vpu: fix error on shutdown when domain is powered off
  soc: amlogic: meson-gx-pwrc-vpu: don't print error message on probe deferral
2018-03-27 15:54:23 +02:00
Arnd Bergmann
03836dd07f scpsy:
- mt2712: update power domains to reflect design changes in the SoC
 - fix initialisation of power subdomains
 - add support for mt7623a SoC
 - use defines for mt2701 bus protection mask
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Merge tag 'v4.16-next-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/drivers

Pull "ARM: mediatek: updates for soc drivers for v4.16-next" from Matthias Brugger:

scpsy:
- mt2712: update power domains to reflect design changes in the SoC
- fix initialisation of power subdomains
- add support for mt7623a SoC
- use defines for mt2701 bus protection mask

* tag 'v4.16-next-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
  soc: mediatek: update power domain data of MT2712
  dt-bindings: soc: update MT2712 power dt-bindings
  soc: mediatek: fix the mistaken pointer accessed when subdomains are added
  soc: mediatek: add SCPSYS power domain driver for MediaTek MT7623A SoC
  soc: mediatek: avoid hardcoded value with bus_prot_mask
  dt-bindings: soc: add header files required for MT7623A SCPSYS dt-binding
  dt-bindings: soc: add SCPSYS binding for MT7623 and MT7623A SoC
2018-03-27 15:53:04 +02:00
Arnd Bergmann
498b565154 soc/tegra: Changes for v4.17-rc1
This contains more Tegra194 support as well as an implementation for the
 MBIST workaround needed to avoid some memory-related issues on Tegra210.
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Merge tag 'tegra-for-4.17-soc-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Pull "soc/tegra: Changes for v4.17-rc1" from Thierry Reding:

This contains more Tegra194 support as well as an implementation for the
MBIST workaround needed to avoid some memory-related issues on Tegra210.

* tag 'tegra-for-4.17-soc-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Use the new reset APIs to manage reset controllers
  soc/tegra: pmc: Pass PMC to tegra_powergate_power_up()
  soc/tegra: pmc: MBIST work around for Tegra210
  soc/tegra: pmc: Add Tegra194 compatibility string
  soc/tegra: Add Tegra194 SoC configuration option
2018-03-27 15:51:58 +02:00
Arnd Bergmann
59162c9366 Renesas ARM Based SoC Updates for v4.17
01d675f159 ARM: shmobile: rcar-gen2: Add watchdog support
 58adf1ba0d ARM: shmobile: Add watchdog support
 
 * SoC
   - Identify R-Car V3H (r8a77980) and M3N (r8a77965)
 
   - Enable R-Car Gen2 regulator quirk for Stout board with H3 (r8a7790) SoC
 
     Marek Vaust says "Regulator setup is suboptimal on H2 Stout too. The
     Stout newly has two DA9210 regulators, so the quirk is extended to
     handle another DA9210 at i2c address 0x70."
 
   - Add watchdog support
 
     This is the SoC portion of the following solution. It is not yet
     enabled in DT as it is not functional without clock dependencies
     in place.
 
     Fabrizio Castro says "this series has been around for some time as RFC,
     and it has collected useful comments from the community along the way.
     The solution proposed by this patch set works for most R-Car Gen2 and
     RZ/G1 devices, but not all of them. We now know that for some R-Car
     Gen2 early revisions there is no proper software fix. Anyway, no
     product has been built around early revisions, but development boards
     mounting early revisions (basically prototypes) are still out there.
     As a result, this series isn't enabling the internal watchdog on R-Car
     Gen2 boards, developers may enable it in board specific device trees if
     needed.  This series has been tested by me on the iwg20d, iwg22d,
     Lager, Alt, and Koelsch boards.
 
    The problem
    ===========
    To deal with SMP on R-Car Gen2 and RZ/G1, we install a reset vector to
    ICRAM1 and we program the [S]BAR registers so that when we turn ON the
    non-boot CPUs they are redirected to the reset vector installed by Linux
    in ICRAM1, and eventually they continue the execution to RAM, where the
    SMP bring-up code will take care of the rest.  The content of the [S]BAR
    registers survives a watchdog triggered reset, and as such after the
    watchdog fires the boot core will try and execute the SMP bring-up code
    instead of jumping to the bootrom code.
 
    The fix
    =======
    The main strategy for the solution is to let the reset vector decide if
    it needs to jump to shmobile_boot_fn or to the bootrom code.  In a
    watchdog triggered reset scenario, since the [S]BAR registers keep their
    values, the boot CPU will jump into the newly designed reset vector, the
    assembly routine will eventually test WOVF (a bit in register RWTCSRA
    that indicates if the watchdog counter has overflown, the value of this
    bit gets retained in this scenario), and jump to the bootrom code which
    will in turn load up the bootloader, etc.  When bringing up SMP or using
    CPU hotplug, the reset vector will jump to shmobile_boot_fn instead."
 
 * R-Car Rst
   - Add support for R-Car V3H (r8a77980) and V3H (r8a77980)
 
 * R-Car SYSC
   - Mark rcar_sysc_matches[] __initconst
 
    Geert Uytterhoeven says "This frees another 1764 bytes
    (arm32/shmobile_defconfig) or 1000 bytes (arm64/renesas_defconfig) of
    memory after kernel init."
 
   - Fix power area parents
 
     Sergei Shtylyov says "According to the figure 9.2(b) of the R-Car
     Series, 3rd Generation User’s Manual: Hardware Rev. 0.80 the A2IRn and
     A2SCn power areas in R8A77970 have the A3IR area as a parent, thus the
     SYSC driver has those parents wrong.."
 
   - Add support for R-Car V3H (r8a77980) and V3H (r8a77980)
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Merge tag 'renesas-soc-for-v4.17' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Pull "Renesas ARM Based SoC Updates for v4.17" from Simon Horman:

01d675f159 ARM: shmobile: rcar-gen2: Add watchdog support
58adf1ba0d ARM: shmobile: Add watchdog support

* SoC
  - Identify R-Car V3H (r8a77980) and M3N (r8a77965)

  - Enable R-Car Gen2 regulator quirk for Stout board with H3 (r8a7790) SoC

    Marek Vaust says "Regulator setup is suboptimal on H2 Stout too. The
    Stout newly has two DA9210 regulators, so the quirk is extended to
    handle another DA9210 at i2c address 0x70."

  - Add watchdog support

    This is the SoC portion of the following solution. It is not yet
    enabled in DT as it is not functional without clock dependencies
    in place.

    Fabrizio Castro says "this series has been around for some time as RFC,
    and it has collected useful comments from the community along the way.
    The solution proposed by this patch set works for most R-Car Gen2 and
    RZ/G1 devices, but not all of them. We now know that for some R-Car
    Gen2 early revisions there is no proper software fix. Anyway, no
    product has been built around early revisions, but development boards
    mounting early revisions (basically prototypes) are still out there.
    As a result, this series isn't enabling the internal watchdog on R-Car
    Gen2 boards, developers may enable it in board specific device trees if
    needed.  This series has been tested by me on the iwg20d, iwg22d,
    Lager, Alt, and Koelsch boards.

   The problem
   ===========
   To deal with SMP on R-Car Gen2 and RZ/G1, we install a reset vector to
   ICRAM1 and we program the [S]BAR registers so that when we turn ON the
   non-boot CPUs they are redirected to the reset vector installed by Linux
   in ICRAM1, and eventually they continue the execution to RAM, where the
   SMP bring-up code will take care of the rest.  The content of the [S]BAR
   registers survives a watchdog triggered reset, and as such after the
   watchdog fires the boot core will try and execute the SMP bring-up code
   instead of jumping to the bootrom code.

   The fix
   =======
   The main strategy for the solution is to let the reset vector decide if
   it needs to jump to shmobile_boot_fn or to the bootrom code.  In a
   watchdog triggered reset scenario, since the [S]BAR registers keep their
   values, the boot CPU will jump into the newly designed reset vector, the
   assembly routine will eventually test WOVF (a bit in register RWTCSRA
   that indicates if the watchdog counter has overflown, the value of this
   bit gets retained in this scenario), and jump to the bootrom code which
   will in turn load up the bootloader, etc.  When bringing up SMP or using
   CPU hotplug, the reset vector will jump to shmobile_boot_fn instead."

* R-Car Rst
  - Add support for R-Car V3H (r8a77980) and V3H (r8a77980)

* R-Car SYSC
  - Mark rcar_sysc_matches[] __initconst

   Geert Uytterhoeven says "This frees another 1764 bytes
   (arm32/shmobile_defconfig) or 1000 bytes (arm64/renesas_defconfig) of
   memory after kernel init."

  - Fix power area parents

    Sergei Shtylyov says "According to the figure 9.2(b) of the R-Car
    Series, 3rd Generation User’s Manual: Hardware Rev. 0.80 the A2IRn and
    A2SCn power areas in R8A77970 have the A3IR area as a parent, thus the
    SYSC driver has those parents wrong.."

  - Add support for R-Car V3H (r8a77980) and V3H (r8a77980)

* tag 'renesas-soc-for-v4.17' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: rcar-gen2: Add watchdog support
  ARM: shmobile: Add watchdog support
  ARM: shmobile: rcar-gen2: Fix error check in regulator quirk
  soc: renesas: rcar-rst: Add support for R-Car M3-N
  ARM: shmobile: stout: enable R-Car Gen2 regulator quirk
  soc: renesas: rcar-sysc: Add R-Car M3-N support
  soc: renesas: Identify R-Car M3-N
  soc: renesas: rcar-sysc: add R8A77980 support
  dt-bindings: power: add R8A77980 SYSC power domain definitions
  soc: renesas: r8a77970-sysc: fix power area parents
  soc: renesas: rcar-rst: Enable watchdog as reset trigger for Gen2
  soc: renesas: rcar-rst: add R8A77980 support
  soc: renesas: identify R-Car V3H
  soc: renesas: rcar-sysc: Mark rcar_sysc_matches[] __initconst
2018-03-27 15:45:03 +02:00
Arnd Bergmann
c073f31a96 Amlogic 64-bit DT updates for v4.17
- AXG: add/enable UART_A, I2C, RMII, system controller, HW RNG
 - accept MAC from u-boot environment
 - misc. fixes
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Merge tag 'amlogic-dt64' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/dt

Pull "Amlogic 64-bit DT updates for v4.17" from Kevin Hilman:

- AXG: add/enable UART_A, I2C, RMII, system controller, HW RNG
- accept MAC from u-boot environment
- misc. fixes

* tag 'amlogic-dt64' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM64: dts: meson-gx: make efuse read-only
  ARM64: dts: meson: bump mali450 clk to 744MHz
  meson-gx-socinfo: Add package id for S905H
  ARM64: dts: meson-gxbb-wetek: add a wetek specific dtsi to cleanup hub and play2
  ARM64: dts: meson: reduce odroid-c2 eMMC maximum rate
  ARM64: dts: amlogic: Convert to new-style SPDX license identifiers
  ARM64: dts: meson-axg: fix pwm_AO_cd compatible
  ARM64: dts: meson-axg: add sec_AO system controller
  ARM64: dts: meson: accept MAC addr from u-boot environment
  ARM64: dts: meson s905x: accept MAC addr from u-boot environment
  ARM64: dts: meson-axg: enable the UART_A controller
  ARM64: dts: meson-axg: complete the pinctrl info for UART_AO_A
  ARM64: dts: meson-axg: uart: Add the pinctrl info description
  ARM64: dts: meson-axg: uart: drop legacy compatible name from EE UART
  ARM64: dts: meson-axg: add RMII pins for ethernet controller
  ARM64: dts: meson-axg: enable I2C Master-1 for the audio speaker
  ARM64: dts: meson-axg: describe pin DT info for I2C controller
  ARM64: dts: meson-axg: add I2C DT info for Meson-AXG SoC
  ARM64: meson-axg: enable hardware rng
2018-03-27 14:21:05 +02:00
David S. Miller
03fe2debbb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Fun set of conflict resolutions here...

For the mac80211 stuff, these were fortunately just parallel
adds.  Trivially resolved.

In drivers/net/phy/phy.c we had a bug fix in 'net' that moved the
function phy_disable_interrupts() earlier in the file, whilst in
'net-next' the phy_error() call from this function was removed.

In net/ipv4/xfrm4_policy.c, David Ahern's changes to remove the
'rt_table_id' member of rtable collided with a bug fix in 'net' that
added a new struct member "rt_mtu_locked" which needs to be copied
over here.

The mlxsw driver conflict consisted of net-next separating
the span code and definitions into separate files, whilst
a 'net' bug fix made some changes to that moved code.

The mlx5 infiniband conflict resolution was quite non-trivial,
the RDMA tree's merge commit was used as a guide here, and
here are their notes:

====================

    Due to bug fixes found by the syzkaller bot and taken into the for-rc
    branch after development for the 4.17 merge window had already started
    being taken into the for-next branch, there were fairly non-trivial
    merge issues that would need to be resolved between the for-rc branch
    and the for-next branch.  This merge resolves those conflicts and
    provides a unified base upon which ongoing development for 4.17 can
    be based.

    Conflicts:
            drivers/infiniband/hw/mlx5/main.c - Commit 42cea83f95
            (IB/mlx5: Fix cleanup order on unload) added to for-rc and
            commit b5ca15ad7e (IB/mlx5: Add proper representors support)
            add as part of the devel cycle both needed to modify the
            init/de-init functions used by mlx5.  To support the new
            representors, the new functions added by the cleanup patch
            needed to be made non-static, and the init/de-init list
            added by the representors patch needed to be modified to
            match the init/de-init list changes made by the cleanup
            patch.
    Updates:
            drivers/infiniband/hw/mlx5/mlx5_ib.h - Update function
            prototypes added by representors patch to reflect new function
            names as changed by cleanup patch
            drivers/infiniband/hw/mlx5/ib_rep.c - Update init/de-init
            stage list to match new order from cleanup patch
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-23 11:31:58 -04:00
Neil Armstrong
f842c41adc amlogic: meson-gx-socinfo: Update soc ids
Updates the Amlogic Meson SoCs IDs for the Armv8 based SoCs.
It includes the new families and packages.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2018-03-19 16:40:26 -07:00
Vivek Gautam
4c817ccf73 soc/tegra: pmc: Use the new reset APIs to manage reset controllers
Make use of of_reset_control_array_get_exclusive() to manage
an array of reset controllers available with the device.

Cc: Jon Hunter <jonathanh@nvidia.com>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
[p.zabel@pengutronix.de: switch to hidden reset control array]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-03-19 09:42:39 +01:00
weiyi.lu@mediatek.com
9f99712661 soc: mediatek: update power domain data of MT2712
1. split MFG power domain into MFG/MFG_SC1/MFG_SC2/MFG_SC3
according to MT2712 ECO design change
2. add subdomain support for MT2712

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-03-19 02:29:05 +01:00
Arnd Bergmann
3bea9c5885 i.MX drivers update for 4.17:
- Set GENPD_FLAG_ALWAYS_ON flag for ARM power domain to avoid incorrect
    power state in sysfs pm_genpd_summary output.
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Merge tag 'imx-drivers-4.17' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

Pull "i.MX drivers update for 4.17" from Shawn Guo:

 - Set GENPD_FLAG_ALWAYS_ON flag for ARM power domain to avoid incorrect
   power state in sysfs pm_genpd_summary output.

* tag 'imx-drivers-4.17' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: ARM power domain should be always-on
2018-03-15 16:23:33 +01:00
Madalin Bucur
96f413f476 soc/fsl/qbman: fix issue in qman_delete_cgr_safe()
The wait_for_completion() call in qman_delete_cgr_safe()
was triggering a scheduling while atomic bug, replacing the
kthread with a smp_call_function_single() call to fix it.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14 13:16:23 -04:00
Sean Wang
73ce2ce129 soc: mediatek: fix the mistaken pointer accessed when subdomains are added
Fix the pointer to struct scp_subdomian not being moved forward
when each sub-domain is expected to be iteratively added through
pm_genpd_add_subdomain call.

Cc: stable@vger.kernel.org
Fixes: 53fddb1a66 ("soc: mediatek: reduce code duplication of scpsys_probe across all SoCs")
Reported-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-03-11 23:46:50 +01:00
Sean Wang
c932ba8c38 soc: mediatek: add SCPSYS power domain driver for MediaTek MT7623A SoC
Add SCPSYS power domain driver for MT7623A SoC. The MT7623A's power
domains are the subset of MT7623 SoC's ones. As MT7623 SoC has full
features whereas MT7623A is being designed just for router applications.
Thus, MT7623A doesn't include those power domains multimedia function
belongs to. In order to avoid certain errors undoubtedly happening at
registering those power domains on MT7623A SoC using the existing MT7623
SCPSYS driver, it's required to define another setup specifically for
MT7623A SoC.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-03-11 23:43:07 +01:00
Sean Wang
c59c9c85e3 soc: mediatek: avoid hardcoded value with bus_prot_mask
use a meaningful definition for bus_prot_mask instead of just hardcoded
for it.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-03-11 23:42:57 +01:00
Bjorn Andersson
90c29ed762 soc: qcom: wcnss_ctrl: Fix increment in NV upload
hdr.len includes both the size of the header and the fragment, so using
this when stepping through the firmware causes us to skip 16 bytes every
chunk of 3072 bytes; causing only the first fragment to actually be
valid data.

Instead use fragment size steps through the firmware blob.

Fixes: ea7a1f275c ("soc: qcom: Introduce WCNSS_CTRL SMD client")
Reported-by: Will Newton <will.newton@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-03-08 18:40:35 -06:00
Bjorn Andersson
fa65f80451 soc: qcom: rmtfs-mem: Add support for assigning memory to remote
On some platform the remote processor's memory map is not statically
configured in TrustZone, so each memory region that is to be accessed by
the remote needs a call into TrustZone to set up the remote's
permissions.

Implement this for the rmtfs memory driver, to give the modem on 8996
access to the shared file system buffers.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-03-08 18:40:24 -06:00
Thierry Reding
507c655a06 soc/tegra: pmc: Pass PMC to tegra_powergate_power_up()
tegra_powergate_sequence_power_up() makes up a struct tegra_powergate
from scratch in order to reuse the same code as used by the generic PM
domain implementation. However, subsequent patches will need to access
the struct tegra_pmc * embedded in the powergate structure, so we need
to make sure we always pass it in.

Tested-by: Hector Martin <marcan@marcan.st>
Tested-by: Andre Heider <a.heider@gmail.com>
Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-03-08 17:02:43 +01:00
Peter De Schrijver
a263394a09 soc/tegra: pmc: MBIST work around for Tegra210
Apply the memory built-in self test work around when ungating certain
Tegra210 power domains.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Hector Martin <marcan@marcan.st>
Tested-by: Andre Heider <a.heider@gmail.com>
Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-03-08 17:02:24 +01:00
Mikko Perttunen
56327f54d9 soc/tegra: pmc: Add Tegra194 compatibility string
The Tegra194 PMC is mostly compatible with Tegra186, including in all
currently supported features. As such, add a new compatibility string
but point to the existing Tegra186 SoC data for now.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-03-08 16:44:01 +01:00
Mikko Perttunen
6f9ed07fde soc/tegra: Add Tegra194 SoC configuration option
Add the configuration option to enable support for the Tegra194 system-
on-chip.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-03-08 16:44:01 +01:00
Neil Armstrong
6878231f25 meson-gx-socinfo: Add package id for S905H
The S905H can be found on the Wetek Hub and Play2 boards.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2018-03-07 17:26:13 -08:00