Commit Graph

1053 Commits

Author SHA1 Message Date
YueHaibing
9095d0f8ea soc: qcom: llcc-slice: Remove duplicated include from llcc-slice.c
Remove duplicated include.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-11-28 17:37:20 -06:00
Yangtao Li
1861a7f07e soc: bcm: brcmstb: Don't leak device tree node reference
of_find_node_by_path() acquires a reference to the node returned by it
and that reference needs to be dropped by its caller. soc_is_brcmstb()
doesn't do that, so fix it.

[treding: slightly rewrite to avoid inline comparison]

Fixes: d52fad2620 ("soc: add stubs for brcmstb SoC's")
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2018-11-28 13:46:44 -08:00
Thierry Reding
e3e403c218 soc/tegra: pmc: Add initial Tegra194 wake events
Tegra194 supports 96 wake events in total. Many of them are never used,
so only the most common ones (RTC alarm and power key) are currently
defined.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-11-28 17:32:28 +01:00
Thierry Reding
e59333c83f soc/tegra: pmc: Add initial Tegra186 wake events
Tegra186 support 96 wake events in total. Many of them are never used,
so only the most common ones (RTC alarm and power key) are currently
defined.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-11-28 17:32:20 +01:00
Thierry Reding
19906e6b16 soc/tegra: pmc: Add wake event support
The power management controller has top-level controls that allow
certain interrupts (such as from the RTC or a subset of GPIOs) to
wake the system from sleep. Implement infrastructure to support
these wake events.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-11-28 17:31:32 +01:00
Thierry Reding
eac9c48aac soc/tegra: pmc: Add Tegra194 support
The PMC controller on Tegra194 has a couple of new I/O pads and drops
others compared to Tegra186.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-11-28 16:45:04 +01:00
Florian Fainelli
34758f8155 This pull request adds SPDX to BCM2835 drivers, and fixes some bugs in
the firmware driver (silently hanging if the VPU doesn't respond to a
 mailbox transaction, and undersized buffers in the firmware property
 transactions for tags that aren't used yet in the upstream).
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Merge tag 'tags/bcm2835-drivers-next-2018-11-27' into drivers/next

This pull request adds SPDX to BCM2835 drivers, and fixes some bugs in
the firmware driver (silently hanging if the VPU doesn't respond to a
mailbox transaction, and undersized buffers in the firmware property
transactions for tags that aren't used yet in the upstream).

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2018-11-27 15:25:25 -08:00
Madalin Bucur
5c664ace8c soc/qman: add return value to interrupt coalesce changing APIs
Check that the values received by the portal interrupt coalesce
change APIs are in range.

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>
2018-11-23 11:17:06 -08:00
Madalin Bucur
830b61ba4e soc: fsl: qbman: read ithresh from HW
Read the DQRR interrupt threshold directly from the hardware.

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>
2018-11-23 11:17:06 -08:00
Yangtao Li
2a8c9f1203
soc: sunxi: Change to use DEFINE_SHOW_ATTRIBUTE macro
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
2018-11-22 16:45:12 +01:00
Yangtao Li
57ba33d568 soc/tegra: pmc: Change to use DEFINE_SHOW_ATTRIBUTE macro
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-11-22 16:12:56 +01:00
Yangtao Li
9eb40fa2cd soc/tegra: Don't leak device tree node reference
of_find_node_by_path() acquires a reference to the node returned by it
and that reference needs to be dropped by its caller. soc_is_tegra()
doesn't do that, so fix it.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
[treding: slightly rewrite to avoid inline comparison]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-11-22 16:10:04 +01:00
Keerthy
03b10fecb9 soc: ti: wkup_m3: Add PRCM int16 as the wake up source
Add PRCM int16 as the wake up source.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-11-19 10:36:25 -08:00
Geert Uytterhoeven
062887bf5e ARM: shmobile: Move SoC Kconfig symbols to drivers/soc/renesas/
For consistency with arm64, where vendors have a single Kconfig symbol
in arch/arm64/Kconfig.platforms.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-11-16 07:27:19 -08:00
Geert Uytterhoeven
fa43948f67 arm64: renesas: Move SoC Kconfig symbols to drivers/soc/renesas/
arch/arm64/Kconfig.platforms has SoC-specific Kconfig symbols for
Renesas SoCs, while other vendors have only a single Kconfig symbol.

Increase consistency with other vendors by moving the SoC-specific
Kconfig symbols to drivers/soc/renesas/Kconfig.

Increase consistency with R-Car Gen1 and Gen2 SoCs on arm32 by
introducing a family-specific Kconfig symbol for R-Car Gen3
(ARCH_RCAR_GEN3), which enables family-specific hardware features.
While so far only a single family (R-Car Gen3 and derivatives) of
Renesas arm64 SoCs is supported by Linux, this will make it easier
to add support for other SoC families later.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-11-16 07:27:19 -08:00
Maxime Jourdan
41bb5769b7 drivers: soc: Allow building the amlogic drivers without ARCH_MESON
The current condition makes it difficult to compile the amlogic/
drivers with COMPILE_TEST, or without ARCH_MESON in general.

Fixes kbuild errors with patch series that depend on drivers in that
directory, for instance the meson video decoder.

Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2018-11-15 12:25:20 -08:00
Stefan Wahren
bb661b7088 soc: bcm: Switch raspberrypi-power to SPDX identifier
Adopt the SPDX license identifier headers to ease license compliance
management.

Cc: Alexander Aring <aring@mojatatu.com>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
2018-11-14 21:04:47 +01:00
Stephen Boyd
ed3cafa79e soc: qcom: cmd-db: Stop memcpy()ing in cmd_db_read_aux_data()
Let's change the function signature to return the pointer to memory or
an error pointer on failure, and take an argument that lets us return
the size of the aux data read. This way we can remove the
cmd_db_read_aux_data_len() API entirely and also get rid of the memcpy
operation from cmd_db to the caller. Updating the only user of this code
shows that making this change allows us to remove a function and put the
lookup where the user is.

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>
Cc: Jordan Crouse <jcrouse@codeaurora.org>
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-11-14 10:06:24 -08:00
Stephen Boyd
84fa36eb30 soc: qcom: cmd-db: Remove memcpy()ing from cmd_db_get_header()
The cmd_db_get_header() function is a static local function that doesn't
need to copy anything from one place to another. Instead, it can just
point into the region by returning pointers to what we're looking for.
If we do that, we should mark what we're returning as const so that code
can't modify cmd-db without an obvious cast.

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>
2018-11-14 10:05:50 -08:00
Niklas Cassel
808e10330b soc: qcom: Drop help text for QCOM_QMI_HELPERS
The help text is visible in menuconfig, however QCOM_QMI_HELPERS is a
hidden kconfig, so it is not selectable in menuconfig.

Remove the help text so that it is more clear that this is intentionally
a hidden kconfig.

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-11-14 10:03:36 -08:00
Arun Kumar Neelakantam
c4fe17e0e3 soc: qcom: qmi_interface: Limit txn ids to U16_MAX
Txn IDs created up to INT_MAX cause overflow while storing
the IDs in u16 type supported by QMI header.

Limit the txn IDs max value to U16_MAX to avoid overflow.

Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-11-14 10:02:07 -08:00
Jordan Crouse
e0f2cfeb59 soc: qcom: llcc-slice: Add error checks for API functions
llcc_slice_getd can return a ERR_PTR code on failure. Add a IS_ERR_OR_NULL
check to subsequent API calls that use struct llcc_slice_desc to guard
against faults and to let the leaf drivers get away with safely using a
ERR_PTR() encoded "pointer" in the aftermath of a llcc_slice_getd error.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-11-14 09:59:03 -08:00
Arnd Bergmann
8c1919a2b4 soc: qcom/llcc: add MODULE_LICENSE tag
The lack of a MODULE_LICENSE tag prevents building the llcc driver
as a loadable module:

FATAL: modpost: GPL-incompatible module llcc-slice.ko uses GPL-only symbol 'ktime_get'

This adds the appropriate license and description tags.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-11-14 09:56:36 -08:00
Alok Chauhan
279536a564 soc: qcom: Add irq clear handling during SE init
when the kernel inits a SE, its quite possible we have pending interrupts
from bootloaders which did not handle/clear them. So do this in kernel at
the SE init, to avoid some of it causing bad behavior, while at it also
club all the register writes needed to clear the se irqs into a function
to avoid repeating it over.

Signed-off-by: Alok Chauhan <alokc@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-11-14 09:51:50 -08:00
Dmitry Osipenko
b6e1fd17a3 soc/tegra: pmc: Drop locking from tegra_powergate_is_powered()
This fixes splats like the one below if CONFIG_DEBUG_ATOMIC_SLEEP=y
and machine (Tegra30) booted with SMP=n or all secondary CPU's are put
offline. Locking isn't needed because it protects atomic operation.

BUG: sleeping function called from invalid context at kernel/locking/mutex.c:254
in_atomic(): 1, irqs_disabled(): 128, pid: 0, name: swapper/0
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G         C        4.18.0-next-20180821-00180-gc3ebb6544e44-dirty #823
Hardware name: NVIDIA Tegra SoC (Flattened Device Tree)
[<c01134f4>] (unwind_backtrace) from [<c010db2c>] (show_stack+0x20/0x24)
[<c010db2c>] (show_stack) from [<c0bd0f3c>] (dump_stack+0x94/0xa8)
[<c0bd0f3c>] (dump_stack) from [<c0151df8>] (___might_sleep+0x13c/0x174)
[<c0151df8>] (___might_sleep) from [<c0151ea0>] (__might_sleep+0x70/0xa8)
[<c0151ea0>] (__might_sleep) from [<c0bec2b8>] (mutex_lock+0x2c/0x70)
[<c0bec2b8>] (mutex_lock) from [<c0589844>] (tegra_powergate_is_powered+0x44/0xa8)
[<c0589844>] (tegra_powergate_is_powered) from [<c0581a60>] (tegra30_cpu_rail_off_ready+0x30/0x74)
[<c0581a60>] (tegra30_cpu_rail_off_ready) from [<c0122244>] (tegra30_idle_lp2+0xa0/0x108)
[<c0122244>] (tegra30_idle_lp2) from [<c0853438>] (cpuidle_enter_state+0x140/0x540)
[<c0853438>] (cpuidle_enter_state) from [<c08538a4>] (cpuidle_enter+0x40/0x4c)
[<c08538a4>] (cpuidle_enter) from [<c01595e0>] (call_cpuidle+0x30/0x48)
[<c01595e0>] (call_cpuidle) from [<c01599f8>] (do_idle+0x238/0x28c)
[<c01599f8>] (do_idle) from [<c0159d28>] (cpu_startup_entry+0x28/0x2c)
[<c0159d28>] (cpu_startup_entry) from [<c0be76c8>] (rest_init+0xd8/0xdc)
[<c0be76c8>] (rest_init) from [<c1200f50>] (start_kernel+0x41c/0x430)

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-11-08 12:51:18 +01:00
Sandipan Patra
5f84bb1a40 soc/tegra: pmc: Add sysfs entries for reset info
Implement read-only reset_reason and reset_level sysfs attributes that
can be used to query the reset reason and level at runtime.

Signed-off-by: Sandipan Patra <spatra@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-11-08 12:51:18 +01:00
Jon Hunter
3bb2f843c0 soc/tegra: pmc: Don't power-up XUSB power-domains
Now that the Tegra xHCI driver manages the XUSB power-domains itself,
remove the code to power-up the power-domains used by the xHCI device
from the PMC driver on boot.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-11-08 12:51:17 +01:00
Heiko Stuebner
24869610e8 soc: rockchip: power-domain: add rk3066 powerdomains
Add power-domains found on rk3066 socs.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2018-11-06 14:13:32 +01:00
Florian Fainelli
fb14ada11d soc: bcm: brcmstb: Fix re-entry point with a THUMB2_KERNEL
When the kernel is built with CONFIG_THUMB2_KERNEL we would set the
kernel's resume entry point to be a function that is already built as
Thumb-2 code while the boot agent doing the resume is in ARM mode, so
this does not work. There is a header label defined: cpu_resume_arm
which we can use to do the switching for us.

Fixes: 0b741b8234 ("soc: bcm: brcmstb: Add support for S2/S3/S5 suspend states (ARM)")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2018-11-05 10:41:25 -08:00
Heiko Stuebner
a0d5e7d499 soc: rockchip: power-domain: add rk3188 powerdomains
Add power-domains found on rk3188 socs.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2018-11-05 09:40:03 +01:00
Marc Zyngier
832ad0e3da soc: ti: QMSS: Fix usage of irq_set_affinity_hint
The Keystone QMSS driver is pretty damaged, in the sense that it
does things like this:

	irq_set_affinity_hint(irq, to_cpumask(&cpu_map));

where cpu_map is a local variable. As we leave the function, this
will point to nowhere-land, and things will end-up badly.

Instead, let's use a proper cpumask that gets allocated, giving
the driver a chance to actually work with things like irqbalance
as well as have a hypothetical 64bit future.

Cc: stable@vger.kernel.org
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2018-11-02 11:22:09 -07:00
Linus Torvalds
b22b6beae6 ARM: SoC driver updates for 4.17
The most noteworthy SoC driver changes this time include:
 
 - The TEE subsystem gains an in-kernel interface to access the TEE
   from device drivers.
 
 - The reset controller subsystem gains a driver for the Qualcomm
   Snapdragon 845 Power Domain Controller.
 
 - The Xilinx Zynq platform now has a firmware interface for its
   platform management unit. This contains a firmware "ioctl" interface
   that was a little controversial at first, but the version we merged
   solved that by not exposing arbitrary firmware calls to user space.
 
 - The Amlogic Meson platform gains a "canvas" driver that is used
   for video processing and shared between different high-level drivers.
 
 The rest is more of the usual, mostly related to SoC specific power
 management support and core drivers in drivers/soc:
 
 - Several Renesas SoCs (RZ/G1N, RZ/G2M, R-Car V3M, RZ/A2M) gain new
   features related to power and reset control.
 
 - The Mediatek mt8183 and mt6765 SoC platforms gain support for
   their respective power management chips.
 
 - A new driver for NXP i.MX8, which need a firmware interface for
   power management.
 
 - The SCPI firmware interface now contains support estimating power
   usage of performance states
 
 - The NVIDIA Tegra "pmc" driver gains a few new features, in particular
   a pinctrl interface for configuring the pads.
 
 - Lots of small changes for Qualcomm, in particular the "smem"
   device driver.
 
 - Some cleanups for the TI OMAP series related to their sysc
   controller.
 
 Additional cleanups and bugfixes in SoC specific drivers include the
 Meson, Keystone, NXP, AT91, Sunxi, Actions, and Tegra platforms.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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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 most noteworthy SoC driver changes this time include:

   - The TEE subsystem gains an in-kernel interface to access the TEE
     from device drivers.

   - The reset controller subsystem gains a driver for the Qualcomm
     Snapdragon 845 Power Domain Controller.

   - The Xilinx Zynq platform now has a firmware interface for its
     platform management unit. This contains a firmware "ioctl"
     interface that was a little controversial at first, but the version
     we merged solved that by not exposing arbitrary firmware calls to
     user space.

   - The Amlogic Meson platform gains a "canvas" driver that is used for
     video processing and shared between different high-level drivers.

  The rest is more of the usual, mostly related to SoC specific power
  management support and core drivers in drivers/soc:

   - Several Renesas SoCs (RZ/G1N, RZ/G2M, R-Car V3M, RZ/A2M) gain new
     features related to power and reset control.

   - The Mediatek mt8183 and mt6765 SoC platforms gain support for their
     respective power management chips.

   - A new driver for NXP i.MX8, which need a firmware interface for
     power management.

   - The SCPI firmware interface now contains support estimating power
     usage of performance states

   - The NVIDIA Tegra "pmc" driver gains a few new features, in
     particular a pinctrl interface for configuring the pads.

   - Lots of small changes for Qualcomm, in particular the "smem" device
     driver.

   - Some cleanups for the TI OMAP series related to their sysc
     controller.

  Additional cleanups and bugfixes in SoC specific drivers include the
  Meson, Keystone, NXP, AT91, Sunxi, Actions, and Tegra platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (129 commits)
  firmware: tegra: bpmp: Implement suspend/resume support
  drivers: clk: Add ZynqMP clock driver
  dt-bindings: clock: Add bindings for ZynqMP clock driver
  firmware: xilinx: Add zynqmp IOCTL API for device control
  Documentation: xilinx: Add documentation for eemi APIs
  MAINTAINERS: imx: include drivers/firmware/imx path
  firmware: imx: add misc svc support
  firmware: imx: add SCU firmware driver support
  reset: Fix potential use-after-free in __of_reset_control_get()
  dt-bindings: arm: fsl: add scu binding doc
  soc: fsl: qbman: add interrupt coalesce changing APIs
  soc: fsl: bman_portals: defer probe after bman's probe
  soc: fsl: qbman: Use last response to determine valid bit
  soc: fsl: qbman: Add 64 bit DMA addressing requirement to QBMan
  soc: fsl: qbman: replace CPU 0 with any online CPU in hotplug handlers
  soc: fsl: qbman: Check if CPU is offline when initializing portals
  reset: qcom: PDC Global (Power Domain Controller) reset controller
  dt-bindings: reset: Add PDC Global binding for SDM845 SoCs
  reset: Grammar s/more then once/more than once/
  bus: ti-sysc: Just use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
  ...
2018-10-29 15:16:01 -07:00
Linus Torvalds
685f7e4f16 powerpc updates for 4.20
Notable changes:
 
  - A large series to rewrite our SLB miss handling, replacing a lot of fairly
    complicated asm with much fewer lines of C.
 
  - Following on from that, we now maintain a cache of SLB entries for each
    process and preload them on context switch. Leading to a 27% speedup for our
    context switch benchmark on Power9.
 
  - Improvements to our handling of SLB multi-hit errors. We now print more debug
    information when they occur, and try to continue running by flushing the SLB
    and reloading, rather than treating them as fatal.
 
  - Enable THP migration on 64-bit Book3S machines (eg. Power7/8/9).
 
  - Add support for physical memory up to 2PB in the linear mapping on 64-bit
    Book3S. We only support up to 512TB as regular system memory, otherwise the
    percpu allocator runs out of vmalloc space.
 
  - Add stack protector support for 32 and 64-bit, with a per-task canary.
 
  - Add support for PTRACE_SYSEMU and PTRACE_SYSEMU_SINGLESTEP.
 
  - Support recognising "big cores" on Power9, where two SMT4 cores are presented
    to us as a single SMT8 core.
 
  - A large series to cleanup some of our ioremap handling and PTE flags.
 
  - Add a driver for the PAPR SCM (storage class memory) interface, allowing
    guests to operate on SCM devices (acked by Dan).
 
  - Changes to our ftrace code to handle very large kernels, where we need to use
    a trampoline to get to ftrace_caller().
 
 Many other smaller enhancements and cleanups.
 
 Thanks to:
   Alan Modra, Alistair Popple, Aneesh Kumar K.V, Anton Blanchard, Aravinda
   Prasad, Bartlomiej Zolnierkiewicz, Benjamin Herrenschmidt, Breno Leitao,
   Cédric Le Goater, Christophe Leroy, Christophe Lombard, Dan Carpenter, Daniel
   Axtens, Finn Thain, Gautham R. Shenoy, Gustavo Romero, Haren Myneni, Hari
   Bathini, Jia Hongtao, Joel Stanley, John Allen, Laurent Dufour, Madhavan
   Srinivasan, Mahesh Salgaonkar, Mark Hairgrove, Masahiro Yamada, Michael
   Bringmann, Michael Neuling, Michal Suchanek, Murilo Opsfelder Araujo, Nathan
   Fontenot, Naveen N. Rao, Nicholas Piggin, Nick Desaulniers, Oliver O'Halloran,
   Paul Mackerras, Petr Vorel, Rashmica Gupta, Reza Arbab, Rob Herring, Sam
   Bobroff, Samuel Mendoza-Jonas, Scott Wood, Stan Johnson, Stephen Rothwell,
   Stewart Smith, Suraj Jitindar Singh, Tyrel Datwyler, Vaibhav Jain, Vasant
   Hegde, YueHaibing, zhong jiang,
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Merge tag 'powerpc-4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Notable changes:

   - A large series to rewrite our SLB miss handling, replacing a lot of
     fairly complicated asm with much fewer lines of C.

   - Following on from that, we now maintain a cache of SLB entries for
     each process and preload them on context switch. Leading to a 27%
     speedup for our context switch benchmark on Power9.

   - Improvements to our handling of SLB multi-hit errors. We now print
     more debug information when they occur, and try to continue running
     by flushing the SLB and reloading, rather than treating them as
     fatal.

   - Enable THP migration on 64-bit Book3S machines (eg. Power7/8/9).

   - Add support for physical memory up to 2PB in the linear mapping on
     64-bit Book3S. We only support up to 512TB as regular system
     memory, otherwise the percpu allocator runs out of vmalloc space.

   - Add stack protector support for 32 and 64-bit, with a per-task
     canary.

   - Add support for PTRACE_SYSEMU and PTRACE_SYSEMU_SINGLESTEP.

   - Support recognising "big cores" on Power9, where two SMT4 cores are
     presented to us as a single SMT8 core.

   - A large series to cleanup some of our ioremap handling and PTE
     flags.

   - Add a driver for the PAPR SCM (storage class memory) interface,
     allowing guests to operate on SCM devices (acked by Dan).

   - Changes to our ftrace code to handle very large kernels, where we
     need to use a trampoline to get to ftrace_caller().

  And many other smaller enhancements and cleanups.

  Thanks to: Alan Modra, Alistair Popple, Aneesh Kumar K.V, Anton
  Blanchard, Aravinda Prasad, Bartlomiej Zolnierkiewicz, Benjamin
  Herrenschmidt, Breno Leitao, Cédric Le Goater, Christophe Leroy,
  Christophe Lombard, Dan Carpenter, Daniel Axtens, Finn Thain, Gautham
  R. Shenoy, Gustavo Romero, Haren Myneni, Hari Bathini, Jia Hongtao,
  Joel Stanley, John Allen, Laurent Dufour, Madhavan Srinivasan, Mahesh
  Salgaonkar, Mark Hairgrove, Masahiro Yamada, Michael Bringmann,
  Michael Neuling, Michal Suchanek, Murilo Opsfelder Araujo, Nathan
  Fontenot, Naveen N. Rao, Nicholas Piggin, Nick Desaulniers, Oliver
  O'Halloran, Paul Mackerras, Petr Vorel, Rashmica Gupta, Reza Arbab,
  Rob Herring, Sam Bobroff, Samuel Mendoza-Jonas, Scott Wood, Stan
  Johnson, Stephen Rothwell, Stewart Smith, Suraj Jitindar Singh, Tyrel
  Datwyler, Vaibhav Jain, Vasant Hegde, YueHaibing, zhong jiang"

* tag 'powerpc-4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (221 commits)
  Revert "selftests/powerpc: Fix out-of-tree build errors"
  powerpc/msi: Fix compile error on mpc83xx
  powerpc: Fix stack protector crashes on CPU hotplug
  powerpc/traps: restore recoverability of machine_check interrupts
  powerpc/64/module: REL32 relocation range check
  powerpc/64s/radix: Fix radix__flush_tlb_collapsed_pmd double flushing pmd
  selftests/powerpc: Add a test of wild bctr
  powerpc/mm: Fix page table dump to work on Radix
  powerpc/mm/radix: Display if mappings are exec or not
  powerpc/mm/radix: Simplify split mapping logic
  powerpc/mm/radix: Remove the retry in the split mapping logic
  powerpc/mm/radix: Fix small page at boundary when splitting
  powerpc/mm/radix: Fix overuse of small pages in splitting logic
  powerpc/mm/radix: Fix off-by-one in split mapping logic
  powerpc/ftrace: Handle large kernel configs
  powerpc/mm: Fix WARN_ON with THP NUMA migration
  selftests/powerpc: Fix out-of-tree build errors
  powerpc/time: no steal_time when CONFIG_PPC_SPLPAR is not selected
  powerpc/time: Only set CONFIG_ARCH_HAS_SCALED_CPUTIME on PPC64
  powerpc/time: isolate scaled cputime accounting in dedicated functions.
  ...
2018-10-26 14:36:21 -07:00
Linus Torvalds
b27186abb3 Devicetree updates for 4.20:
- Sync dtc with upstream version v1.4.7-14-gc86da84d30e4
 
 - Work to get rid of direct accesses to struct device_node name and
   type pointers in preparation for removing them. New helpers for
   parsing DT cpu nodes and conversions to use the helpers. printk
   conversions to %pOFn for printing DT node names. Most went thru
   subystem trees, so this is the remainder.
 
 - Fixes to DT child node lookups to actually be restricted to child
   nodes instead of treewide.
 
 - Refactoring of dtb targets out of arch code. This makes the support
   more uniform and enables building all dtbs on c6x, microblaze, and
   powerpc.
 
 - Various DT binding updates for Renesas r8a7744 SoC
 
 - Vendor prefixes for Facebook, OLPC
 
 - Restructuring of some ARM binding docs moving some peripheral bindings
   out of board/SoC binding files
 
 - New "secure-chosen" binding for secure world settings on ARM
 
 - Dual licensing of 2 DT IRQ binding headers
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Merge tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree updates from Rob Herring:
 "A bit bigger than normal as I've been busy this cycle.

  There's a few things with dependencies and a few things subsystem
  maintainers didn't pick up, so I'm taking them thru my tree.

  The fixes from Johan didn't get into linux-next, but they've been
  waiting for some time now and they are what's left of what subsystem
  maintainers didn't pick up.

  Summary:

   - Sync dtc with upstream version v1.4.7-14-gc86da84d30e4

   - Work to get rid of direct accesses to struct device_node name and
     type pointers in preparation for removing them. New helpers for
     parsing DT cpu nodes and conversions to use the helpers. printk
     conversions to %pOFn for printing DT node names. Most went thru
     subystem trees, so this is the remainder.

   - Fixes to DT child node lookups to actually be restricted to child
     nodes instead of treewide.

   - Refactoring of dtb targets out of arch code. This makes the support
     more uniform and enables building all dtbs on c6x, microblaze, and
     powerpc.

   - Various DT binding updates for Renesas r8a7744 SoC

   - Vendor prefixes for Facebook, OLPC

   - Restructuring of some ARM binding docs moving some peripheral
     bindings out of board/SoC binding files

   - New "secure-chosen" binding for secure world settings on ARM

   - Dual licensing of 2 DT IRQ binding headers"

* tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (78 commits)
  ARM: dt: relicense two DT binding IRQ headers
  power: supply: twl4030-charger: fix OF sibling-node lookup
  NFC: nfcmrvl_uart: fix OF child-node lookup
  net: stmmac: dwmac-sun8i: fix OF child-node lookup
  net: bcmgenet: fix OF child-node lookup
  drm/msm: fix OF child-node lookup
  drm/mediatek: fix OF sibling-node lookup
  of: Add missing exports of node name compare functions
  dt-bindings: Add OLPC vendor prefix
  dt-bindings: misc: bk4: Add device tree binding for Liebherr's BK4 SPI bus
  dt-bindings: thermal: samsung: Add SPDX license identifier
  dt-bindings: clock: samsung: Add SPDX license identifiers
  dt-bindings: timer: ostm: Add R7S9210 support
  dt-bindings: phy: rcar-gen2: Add r8a7744 support
  dt-bindings: can: rcar_can: Add r8a7744 support
  dt-bindings: timer: renesas, cmt: Document r8a7744 CMT support
  dt-bindings: watchdog: renesas-wdt: Document r8a7744 support
  dt-bindings: thermal: rcar: Add device tree support for r8a7744
  Documentation: dt: Add binding for /secure-chosen/stdout-path
  dt-bindings: arm: zte: Move sysctrl bindings to their own doc
  ...
2018-10-26 12:09:58 -07:00
Linus Torvalds
62606c224d Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
 "API:
   - Remove VLA usage
   - Add cryptostat user-space interface
   - Add notifier for new crypto algorithms

  Algorithms:
   - Add OFB mode
   - Remove speck

  Drivers:
   - Remove x86/sha*-mb as they are buggy
   - Remove pcbc(aes) from x86/aesni
   - Improve performance of arm/ghash-ce by up to 85%
   - Implement CTS-CBC in arm64/aes-blk, faster by up to 50%
   - Remove PMULL based arm64/crc32 driver
   - Use PMULL in arm64/crct10dif
   - Add aes-ctr support in s5p-sss
   - Add caam/qi2 driver

  Others:
   - Pick better transform if one becomes available in crc-t10dif"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (124 commits)
  crypto: chelsio - Update ntx queue received from cxgb4
  crypto: ccree - avoid implicit enum conversion
  crypto: caam - add SPDX license identifier to all files
  crypto: caam/qi - simplify CGR allocation, freeing
  crypto: mxs-dcp - make symbols 'sha1_null_hash' and 'sha256_null_hash' static
  crypto: arm64/aes-blk - ensure XTS mask is always loaded
  crypto: testmgr - fix sizeof() on COMP_BUF_SIZE
  crypto: chtls - remove set but not used variable 'csk'
  crypto: axis - fix platform_no_drv_owner.cocci warnings
  crypto: x86/aes-ni - fix build error following fpu template removal
  crypto: arm64/aes - fix handling sub-block CTS-CBC inputs
  crypto: caam/qi2 - avoid double export
  crypto: mxs-dcp - Fix AES issues
  crypto: mxs-dcp - Fix SHA null hashes and output length
  crypto: mxs-dcp - Implement sha import/export
  crypto: aegis/generic - fix for big endian systems
  crypto: morus/generic - fix for big endian systems
  crypto: lrw - fix rebase error after out of bounds fix
  crypto: cavium/nitrox - use pci_alloc_irq_vectors() while enabling MSI-X.
  crypto: cavium/nitrox - NITROX command queue changes.
  ...
2018-10-25 16:43:35 -07:00
Linus Torvalds
a978a5b8d8 net/kconfig: Make QCOM_QMI_HELPERS available when COMPILE_TEST
The networking merge brought in the experimental support for the
Qualcomm ath10k system NOC, which selects QCOM_QMI_HELPERS as a
dependency.

But the ATH10K_SNOC option (which selects QCOM_QMI_HELPERS) depends on
ARCH_QCOM || COMPILE_TEST in order to get wider build testing than just
the unusual QCOM architecture build, while the QCOM_QMI_HELPERS option
doesn't have that COMPILE_TEST option and is limited to only ARCH_QCOM.

As a result, a "make allmodconfig" complains

  WARNING: unmet direct dependencies detected for QCOM_QMI_HELPERS
    Depends on [n]: ARCH_QCOM && NET [=y]
    Selected by [m]:
    - ATH10K_SNOC [=m] && NETDEVICES [=y] && WLAN [=y] && WLAN_VENDOR_ATH [=y] && ATH10K [=m] && (ARCH_QCOM || COMPILE_TEST [=y])

Fix the config-time warning by making QCOM_QMI_HELPERS available when
COMPILE_TEST, since the result seems to build fine.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Govind Singh <govinds@codeaurora.org>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-10-24 08:11:35 +01:00
Mark Brown
4b51c747e4
Merge branch 'spi-4.20' into spi-next 2018-10-21 17:00:14 +01:00
Christophe Leroy
402a5698b4 soc/fsl/qbman: use ioremap_cache() instead of ioremap_prot(0)
ioremap_prot() with flag set to 0 relies on a hack in
__ioremap_caller() which adds PAGE_KERNEL flags when the
handed flags don't look like a valid set of flags
(ie don't include _PAGE_PRESENT)

The intention being to map cached memory, use ioremap_cache() instead.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-10-14 18:04:09 +11:00
Arnd Bergmann
75bda3609f NXP/FSL SoC drivers updates for v4.20 take 2
- Update qbman driver to better work with CPU hotplug
 - Add Kconfig dependency of 64-bit DMA addressing for qbman driver
 - Use last reponse to determine valid bit for qbman driver
 - Defer bman_portals probe if bman is not probed
 - Add interrupt coalescing APIs to qbman driver
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Merge tag 'soc-fsl-next-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into next/drivers

NXP/FSL SoC drivers updates for v4.20 take 2

- Update qbman driver to better work with CPU hotplug
- Add Kconfig dependency of 64-bit DMA addressing for qbman driver
- Use last reponse to determine valid bit for qbman driver
- Defer bman_portals probe if bman is not probed
- Add interrupt coalescing APIs to qbman driver

* tag 'soc-fsl-next-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: qbman: add interrupt coalesce changing APIs
  soc: fsl: bman_portals: defer probe after bman's probe
  soc: fsl: qbman: Use last response to determine valid bit
  soc: fsl: qbman: Add 64 bit DMA addressing requirement to QBMan
  soc: fsl: qbman: replace CPU 0 with any online CPU in hotplug handlers
  soc: fsl: qbman: Check if CPU is offline when initializing portals
  soc: fsl: qman_portals: defer probe after qman's probe
  soc: fsl: qbman: add APIs to retrieve the probing status
  soc: fsl: qe: Fix copy/paste bug in ucc_get_tdm_sync_shift()
  soc: fsl: qbman: qman: avoid allocating from non existing gen_pool

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-10-08 14:44:40 +02:00
Madalin Bucur
6d06009cb2 soc: fsl: qbman: add interrupt coalesce changing APIs
Add the APIs required to control the QMan portal interrupt coalescing
settings.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-05 14:06:56 -05:00
Laurentiu Tudor
e0940b34c4 soc: fsl: bman_portals: defer probe after bman's probe
A crash in bman portal probing could not be triggered (as is the case
with qman portals) but it does make calls [1] into the bman driver so
lets make sure the bman portal probing happens after bman's.

[1]  bman_p_irqsource_add() (in bman) called by:
       init_pcfg() called by:
         bman_portal_probe()

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-05 14:01:46 -05:00
Roy Pledge
f1c98ee699 soc: fsl: qbman: Use last response to determine valid bit
Use the last valid response when determining what valid bit
to use next for management commands. This is needed in the
case that the portal was previously used by other software
like a bootloader or if the kernel is restarted without a
hardware reset.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-05 14:01:46 -05:00
Roy Pledge
06cc59386c soc: fsl: qbman: Add 64 bit DMA addressing requirement to QBMan
The QBMan block is memory mapped on SoCs above a 32 bit (4 Gigabyte)
boundary so enabling 64 bit DMA addressing is needed for QBMan to
be usuable.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-05 14:01:46 -05:00
Madalin Bucur
d8bac81ed1 soc: fsl: qbman: replace CPU 0 with any online CPU in hotplug handlers
The existing code sets portal IRQ affinity to CPU 0 in the
offline hotplug handler. If CPU 0 is offline this is invalid.
Use a different online CPU instead.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-05 14:01:46 -05:00
Roy Pledge
9beaf661d6 soc: fsl: qbman: Check if CPU is offline when initializing portals
If the CPU to affine the portal interrupt is offline at boot time
affine the portal interrupt to another online CPU. If the CPU is later
brought online the hotplug handler will correctly adjust the affinity.
Moved common code in a function.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-05 14:01:46 -05:00
Li Yang
56740a7167 NXP/FSL SoC driver fixes for v4.19 round 2
- Fix crash of qman_portal by deferring its probe if qman is not probed
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Merge tag 'soc-fsl-fix-v4.19-2' into HEAD

NXP/FSL SoC driver fixes for v4.19 round 2

- Fix crash of qman_portal by deferring its probe if qman is not probed
2018-10-05 13:58:35 -05:00
Rob Herring
dc37a25252 soc: Convert to using %pOFn instead of device_node.name
In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.

Cc: Li Yang <leoyang.li@nxp.com>
Cc: David Brown <david.brown@linaro.org>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-soc@vger.kernel.org
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Qiang Zhao <qiang.zhao@nxp.com>
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2018-10-04 14:16:01 -05:00
Arnd Bergmann
9620135fe1 i.MX drivers update for 4.20:
- A couple of patches from Anson to update variable and macro naming
    in GPCv2 driver, as a preparation of reusing the driver on i.MX8.
  - Switch GPC/GPCv2 drivers to use SPDX identifier for licence claiming.
  - Clean up the unnecessary DT node name NULL pointer checking from
    imx-weim driver, since it can never be NULL at all.
  - A couple of improvements on GPC driver from Sven Schmitt to correct
    PDN register and use GPC_PGC_DOMAIN_* indexes for consistency.
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Merge tag 'imx-drivers-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

i.MX drivers update for 4.20:
 - A couple of patches from Anson to update variable and macro naming
   in GPCv2 driver, as a preparation of reusing the driver on i.MX8.
 - Switch GPC/GPCv2 drivers to use SPDX identifier for licence claiming.
 - Clean up the unnecessary DT node name NULL pointer checking from
   imx-weim driver, since it can never be NULL at all.
 - A couple of improvements on GPC driver from Sven Schmitt to correct
   PDN register and use GPC_PGC_DOMAIN_* indexes for consistency.

* tag 'imx-drivers-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpcv2: Switch to SPDX identifier
  soc: imx: gpc: Switch to SPDX identifier
  bus: imx-weim: drop unnecessary DT node name NULL check
  soc: imx: gpcv2: make pgc driver more generic for other i.MX platforms
  soc: imx: gpcv2: use A_CORE instread of A7 for more i.MX platforms
  soc: imx: gpc: use GPC_PGC_DOMAIN_* indexes
  soc: imx: gpc: fix PDN delay

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-10-02 10:15:17 +02:00
Arnd Bergmann
64d20b774f Qualcomm ARM Based Driver Updates for v4.20
* Refactor of SCM compatibles and clock requirements
 * SMEM cleanup
 * Add LLCC EDAC driver
 * Fixes for GENI clocks and macros
 * Fix includes for llcc-slice and smem
 * String overflow fixes for APR and wcnss_ctrl
 * Fixup for COMPILE_TEST of qcom driver Kconfigs
 * Cleanup of Kconfig depends of rpmh, smd_rpm, smsm, and smp2p
 * Add SCM dependencies to SPM and rmtfs-mem
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Merge tag 'qcom-drivers-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Qualcomm ARM Based Driver Updates for v4.20

* Refactor of SCM compatibles and clock requirements
* SMEM cleanup
* Add LLCC EDAC driver
* Fixes for GENI clocks and macros
* Fix includes for llcc-slice and smem
* String overflow fixes for APR and wcnss_ctrl
* Fixup for COMPILE_TEST of qcom driver Kconfigs
* Cleanup of Kconfig depends of rpmh, smd_rpm, smsm, and smp2p
* Add SCM dependencies to SPM and rmtfs-mem

* tag 'qcom-drivers-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux: (38 commits)
  soc: qcom: geni: geni_se_clk_freq_match() should always accept multiples
  soc: qcom: geni: Don't ignore clk_round_rate() errors in geni_se_clk_tbl_get()
  soc: qcom: geni: Make version macros simpler
  dt-bindings: firmware: scm: Add MSM8998 and SDM845
  firmware: qcom: scm: Refactor clock handling
  dt-bindings: firmware: scm: Refactor compatibles and clocks
  soc: qcom: smem: a few last cleanups
  soc: qcom: smem: verify partition host ids match
  soc: qcom: smem: small change in global entry loop
  soc: qcom: smem: verify partition offset_free_uncached
  soc: qcom: smem: verify partition header size
  soc: qcom: smem: introduce qcom_smem_partition_header()
  soc: qcom: smem: require order of host ids to match
  soc: qcom: smem: verify both host ids in partition header
  soc: qcom: smem: small refactor in qcom_smem_enumerate_partitions()
  soc: qcom: smem: always ignore partitions with 0 offset or size
  soc: qcom: smem: initialize region struct only when successful
  soc: qcom: smem: rename variable in qcom_smem_get_global()
  drivers: qcom: rpmh-rsc: clear wait_for_compl after use
  soc: qcom: rmtfs-mem: Validate that scm is available
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-10-02 10:11:12 +02:00
Arnd Bergmann
68b679b339 Actions Semi SoC drivers for v4.20 #2
The SPS power domain driver is extended for S900 SoC.
 This required merging a topic branch for the new bindings header.
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Merge tag 'actions-drivers+s900-sps-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/drivers

Actions Semi SoC drivers for v4.20 #2

The SPS power domain driver is extended for S900 SoC.
This required merging a topic branch for the new bindings header.

* tag 'actions-drivers+s900-sps-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  soc: actions: sps: Add S900 power domains
  dt-bindings: power: Add Actions Semi S900 SPS
  soc: actions: Update SPS help text for S700
  soc: actions: Convert to SPDX license identifiers

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-10-02 10:02:59 +02:00
Arnd Bergmann
d69f0d53e9 PMIC wrapper:
- sort SoCs and PMICs ascending
 - add capabilities
 - add support for mt8183 SoC + mt6358 PMIC
 - return false instead of 0
 - add support for mt6765 SoC + mt6357 PMIC
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Merge tag 'v4.19-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/drivers

PMIC wrapper:
- sort SoCs and PMICs ascending
- add capabilities
- add support for mt8183 SoC + mt6358 PMIC
- return false instead of 0
- add support for mt6765 SoC + mt6357 PMIC

* tag 'v4.19-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
  soc: mediatek: pwrap: add mt6357 driver for mt6765 SoCs
  soc: mediatek: pwrap: add pwrap driver for mt6765 SoCs
  dt-bindings: pwrap: mediatek: add pwrap support for MT6765
  soc: mediatek: pwrap: use true and false for boolean values
  soc: mediatek: add mt8183 pwrap support
  soc: mediatek: pwrap: use group of bits for pwrap capability
  soc: mediatek: pwrap: order SoCs and PMICs ascending
  dt-bindings: mediatek: add compatible for mt8183 pwrap

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-10-02 10:00:46 +02:00
Arnd Bergmann
227db588a8 Allwinner drivers changes for 4.20
The H6 is now supported in our SRAM driver bindings, and we have a small
 Makefile change for the SRAM driver to build it without building the
 ARCH_SUNXI architecture, especially relevant for the COMPILE_TEST case.
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Merge tag 'sunxi-drivers-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/drivers

Allwinner drivers changes for 4.20

The H6 is now supported in our SRAM driver bindings, and we have a small
Makefile change for the SRAM driver to build it without building the
ARCH_SUNXI architecture, especially relevant for the COMPILE_TEST case.

* tag 'sunxi-drivers-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  dt-bindings: sunxi-sram: add binding for Allwinner H6 SRAM C
  drivers: soc: Allow building the sunxi driver without ARCH_SUNXI

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-10-02 09:59:32 +02:00
Laurentiu Tudor
5a1eb8b954 soc: fsl: qman_portals: defer probe after qman's probe
Defer probe of qman portals after qman probing. This fixes the crash
below, seen on NXP LS1043A SoCs:

Unable to handle kernel NULL pointer dereference at virtual address
0000000000000004
Mem abort info:
  ESR = 0x96000004
  Exception class = DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
Data abort info:
  ISV = 0, ISS = 0x00000004
  CM = 0, WnR = 0
[0000000000000004] user address but active_mm is swapper
Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted
4.18.0-rc1-next-20180622-00200-g986f5c179185 #9
Hardware name: LS1043A RDB Board (DT)
pstate: 80000005 (Nzcv daif -PAN -UAO)
pc : qman_set_sdest+0x74/0xa0
lr : qman_portal_probe+0x22c/0x470
sp : ffff00000803bbc0
x29: ffff00000803bbc0 x28: 0000000000000000
x27: ffff0000090c1b88 x26: ffff00000927cb68
x25: ffff00000927c000 x24: ffff00000927cb60
x23: 0000000000000000 x22: 0000000000000000
x21: ffff0000090e9000 x20: ffff800073b5c810
x19: ffff800027401298 x18: ffffffffffffffff
x17: 0000000000000001 x16: 0000000000000000
x15: ffff0000090e96c8 x14: ffff80002740138a
x13: ffff0000090f2000 x12: 0000000000000030
x11: ffff000008f25000 x10: 0000000000000000
x9 : ffff80007bdfd2c0 x8 : 0000000000004000
x7 : ffff80007393cc18 x6 : 0040000000000001
x5 : 0000000000000000 x4 : ffffffffffffffff
x3 : 0000000000000004 x2 : ffff00000927c900
x1 : 0000000000000000 x0 : 0000000000000004
Process swapper/0 (pid: 1, stack limit = 0x(____ptrval____))
Call trace:
 qman_set_sdest+0x74/0xa0
 platform_drv_probe+0x50/0xa8
 driver_probe_device+0x214/0x2f8
 __driver_attach+0xd8/0xe0
 bus_for_each_dev+0x68/0xc8
 driver_attach+0x20/0x28
 bus_add_driver+0x108/0x228
 driver_register+0x60/0x110
 __platform_driver_register+0x40/0x48
 qman_portal_driver_init+0x20/0x84
 do_one_initcall+0x58/0x168
 kernel_init_freeable+0x184/0x22c
 kernel_init+0x10/0x108
 ret_from_fork+0x10/0x18
Code: f9400443 11001000 927e4800 8b000063 (b9400063)
---[ end trace 4f6d50489ecfb930 ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-10-01 17:47:43 -05:00
Fabio Estevam
8d8e3b7d8f soc: imx: gpcv2: Switch to SPDX identifier
Adopt the SPDX license identifier headers to ease license compliance
management.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-10-01 13:24:15 +08:00
Fabio Estevam
2fe761d18a soc: imx: gpc: Switch to SPDX identifier
Adopt the SPDX license identifier headers to ease license compliance
management.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-10-01 13:24:15 +08:00
Anson Huang
73f59712a1 soc: imx: gpcv2: make pgc driver more generic for other i.MX platforms
i.MX8MQ and i.MX8MM share same gpc module with i.MX7D, they
can reuse gpcv2 pgc driver for power domain control, this
patch renames all functions and structure definitions started
with "imx7" to "imx", and use .data in imx_gpcv2_dt_ids[] to
pass platform specific power domain data for power domain
driver, thus make gpcv2 pgc driver more generic for i.MX
platforms.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-10-01 13:24:14 +08:00
Anson Huang
fea88b2b80 soc: imx: gpcv2: use A_CORE instread of A7 for more i.MX platforms
gpcv2 driver is NOT just used on i.MX7D which has Cortex-A7
cores, but also on i.MX8MQ/i.MX8MM platforms which use Cortex-A53
cores, so let's use A_CORE instread of A7 to avoid confusion.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-10-01 13:24:05 +08:00
Manivannan Sadhasivam
da8c37e13d soc: actions: sps: Add S900 power domains
Add power domains for Actions Semi S900 SoC.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[AF: Update Kconfig help text]
Signed-off-by: Andreas Färber <afaerber@suse.de>
2018-09-30 16:48:10 +02:00
Arnd Bergmann
86e762d967 Renesas ARM Based SoC Drivers Updates for v4.20
* Convert to SPDX identifiers
 * R-Car V3M (r8a77970) and V3H (r8a77980): Document Timer Unit (TMU) bindings
 * RZ/G1N (r8a7744) and RZ/G1C (r8a77470) SoCs:
   - Document APMU and SMP enable method
 * RZ/G2M (r8a74a1), RZ/G1N (r8a7744) and RZ/G2E (r8a774c0) SoCs:
   - Add reset support
   - Add sysc support
 * RZ/G2M (r8a774a1), RZ/G2E (r8a774c0) and RZ/A2M (r7s9210) SoCs:
   - Add support for identifying SoC
 * RZ/A2M (r7s9210) SoC:
   - Add basic SoC setup support
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Merge tag 'renesas-drivers-for-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC Drivers Updates for v4.20

* Convert to SPDX identifiers
* R-Car V3M (r8a77970) and V3H (r8a77980): Document Timer Unit (TMU) bindings
* RZ/G1N (r8a7744) and RZ/G1C (r8a77470) SoCs:
  - Document APMU and SMP enable method
* RZ/G2M (r8a74a1), RZ/G1N (r8a7744) and RZ/G2E (r8a774c0) SoCs:
  - Add reset support
  - Add sysc support
* RZ/G2M (r8a774a1), RZ/G2E (r8a774c0) and RZ/A2M (r7s9210) SoCs:
  - Add support for identifying SoC
* RZ/A2M (r7s9210) SoC:
  - Add basic SoC setup support

* tag 'renesas-drivers-for-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (21 commits)
  dt-bindings: apmu: Document r8a7744 support
  dt-bindings: timer: renesas: tmu: document R8A779{7|8}0 bindings
  dt-bindings: apmu: Document r8a77470 support
  soc: renesas: rcar-rst: Add support for RZ/G1N
  dt-bindings: reset: rcar-rst: Document r8a7744 reset module
  soc: renesas: rcar-sysc: Add r8a7744 support
  dt-bindings: power: rcar-sysc: Add r8a7744 power domain index macros
  dt-bindings: power: rcar-sysc: Document r8a7744 SYSC binding
  soc: renesas: rcar-rst: Add support for RZ/G2E
  dt-bindings: reset: rcar-rst: Document r8a774c0 rst
  soc: renesas: rcar-sysc: Add r8a774c0 support
  dt-bindings: power: rcar-sysc: Document r8a774c0 sysc
  dt-bindings: power: Add r8a774c0 SYSC power domain definitions
  soc: renesas: Identify RZ/G2E
  soc: renesas: convert to SPDX identifiers
  soc: renesas: rcar-rst: Add support for RZ/G2M
  soc: renesas: rcar-sysc: Add r8a774a1 support
  dt-bindings: power: Add r8a774a1 SYSC power domain definitions
  soc: renesas: identify RZ/A2
  ARM: shmobile: Add basic RZ/A2 SoC support
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-09-28 22:16:58 +02:00
Arnd Bergmann
ab2dc8446a soc/tegra: Changes for v4.20-rc1
This contains a pinctrl implementation for the pad configuration that
 can be controlled from the PMC.
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Merge tag 'tegra-for-4.20-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc/tegra: Changes for v4.20-rc1

This contains a pinctrl implementation for the pad configuration that
can be controlled from the PMC.

* tag 'tegra-for-4.20-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Implement pad configuration via pinctrl
  soc/tegra: pmc: Remove public pad voltage APIs
  soc/tegra: pmc: Use X macro to generate IO pad tables
  soc/tegra: pmc: Implement tegra_io_pad_is_powered()
  soc/tegra: pmc: Factor out DPD register bit calculation
  soc/tegra: pmc: Fix pad voltage configuration for Tegra186
  soc/tegra: pmc: Fix child-node lookup
  dt-bindings: Add Tegra PMC pad configuration bindings

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-09-28 21:54:54 +02:00
Laurentiu Tudor
853dc104e6 soc: fsl: qbman: add APIs to retrieve the probing status
Add a couple of new APIs to check the probing status of qman and bman:
 'int bman_is_probed()' and 'int qman_is_probed()'.
They return the following values.
 *  1 if qman/bman were probed correctly
 *  0 if qman/bman were not yet probed
 * -1 if probing of qman/bman failed
Drivers that use qman/bman driver services are required to use these
APIs before calling any functions exported by qman or bman drivers
or otherwise they will crash the kernel.
The APIs will be used in the following couple of qbman portal patches
and later in the series in the dpaa1 ethernet driver.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-09-27 15:43:35 -05:00
Zhao Qiang
96fc74333f soc: fsl: qe: Fix copy/paste bug in ucc_get_tdm_sync_shift()
There is a copy and paste bug so we accidentally use the RX_ shift when
we're in TX_ mode.

Fixes: bb8b2062af ("fsl/qe: setup clock source for TDM mode")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
(cherry picked from commit 3cb31b634052ed458922e0c8e2b4b093d7fb60b9)
Signed-off-by: Olof Johansson <olof@lixom.net>
2018-09-25 13:57:26 -07:00
Alexandre Belloni
64e9e22e68 soc: fsl: qbman: qman: avoid allocating from non existing gen_pool
If the qman driver didn't probe, calling qman_alloc_fqid_range,
qman_alloc_pool_range or qman_alloc_cgrid_range (as done in dpaa_eth) will
pass a NULL pointer to gen_pool_alloc, leading to a NULL pointer
dereference.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
(cherry picked from commit f72487a2788aa70c3aee1d0ebd5470de9bac953a)
Signed-off-by: Olof Johansson <olof@lixom.net>
2018-09-25 13:57:25 -07:00
Olof Johansson
2e07bdf9e8 NXP/FSL SoC driver updates for v4.20
- Use of_get_child_by_name helper for QE driver
 - Remove redundant pointer 'priv' for dpio driver
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Merge tag 'soc-fsl-next-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into next/drivers

NXP/FSL SoC driver updates for v4.20

- Use of_get_child_by_name helper for QE driver
- Remove redundant pointer 'priv' for dpio driver

* tag 'soc-fsl-next-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: dpio: remove redundant pointer 'priv'
  soc: fsl/qe: Use of_get_child_by_name helper

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-09-25 12:48:47 -07:00
Olof Johansson
260c9ca902 soc: driver soc update for v4.20
- Enable host-id as an optional dt property
   - Fix minor typo in knav driver
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Merge tag 'drivers_soc_for_4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers

soc: driver soc update for v4.20

  - Enable host-id as an optional dt property
  - Fix minor typo in knav driver

* tag 'drivers_soc_for_4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  soc: ti: fix spelling mistake "instace" -> "instance"
  firmware: ti_sci: Provide host-id as an optional dt parameter
  Documentation: dt: keystone: ti-sci: Add optional host-id parameter

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-09-25 12:26:52 -07:00
Argus Lin
3013b410a8 soc: mediatek: pwrap: add mt6357 driver for mt6765 SoCs
MT6357 is a new power management IC and it is used for mt6765 SoCs.
To define mt6357_regs for pmic register mapping and pmic_mt6357
for accessing register.

Signed-off-by: Argus Lin <argus.lin@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-09-25 17:36:38 +02:00
Argus Lin
12b079b0fe soc: mediatek: pwrap: add pwrap driver for mt6765 SoCs
mt6765 is a highly integrated SoCs, it uses mt6357 for power management.
This patch adds pwrap driver to access mt6357. Pwrap of mt6765 support
dynamic priority meichanism, sequence monitor and starvation mechanism
to make transaction more reliable.

Signed-off-by: Argus Lin <argus.lin@mediatek.com>
[mb: change has_bridge to capabilities]
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-09-25 17:28:37 +02:00
Gustavo A. R. Silva
2462080fe9 soc: mediatek: pwrap: use true and false for boolean values
Return statements in functions returning bool should use true or false
instead of an integer value.

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-09-25 16:35:47 +02:00
Hsin-Hsiung Wang
919049f6d4 soc: mediatek: add mt8183 pwrap support
MT6358 is a new power management IC and it is used for
mt8183 SoCs. To define mt6358_regs for pmic register
mapping and pmic_mt6358 for accessing register.
Adding one more interrupt and wdt source.

Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-09-25 15:50:17 +02:00
Hsin-Hsiung Wang
0bd3134d44 soc: mediatek: pwrap: use group of bits for pwrap capability
Use group of bits for pwrap capability instead of
elements of structure.
This patch is preparing for adding mt8183 pwrap support.

Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-09-25 15:49:38 +02:00
Matthias Brugger
bd69e7e9d5 soc: mediatek: pwrap: order SoCs and PMICs ascending
Order SoC and PMIC numbers ascending to make the code more
readable.

Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2018-09-25 15:46:59 +02:00
Colin King
7bcfe20d0d soc: ti: fix spelling mistake "instace" -> "instance"
Trivial fix to spelling mistake in dev_err messages and comments

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
2018-09-24 12:43:21 -07:00
Douglas Anderson
969fc78c37 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>
2018-09-23 21:28:01 -07:00
Douglas Anderson
abc1c94471 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>
2018-09-23 21:28:01 -07:00
Andreas Färber
067517513a soc: actions: Update SPS help text for S700
Commit 3ad85b08f7 (soc: actions: sps: Add S700)
added S700 support to the SPS driver but forget to update Kconfig help.

Add missing S700 mention, in preparation for further SoCs.

Fixes: 3ad85b08f7 ("soc: actions: sps: Add S700")
Reported-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2018-09-22 22:09:47 +02:00
Andreas Färber
afe518272d soc: actions: Convert to SPDX license identifiers
Replace textual license notices with SPDX-License-Identifier lines.
Add an SPDX-License-Identifier for the Makefile.

Signed-off-by: Andreas Färber <afaerber@suse.de>
2018-09-22 15:12:55 +02:00
Horia Geantă
48c43de0b5 soc: fsl: dpio: add back some frame queue functions
This commit adds back functions removed in
commit a211c8170b ("staging: fsl-mc/dpio: remove couple of unused functions")
since dpseci object will make use of them.

Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-09-21 13:24:50 +08:00
Biju Das
547276c679 soc: renesas: rcar-rst: Add support for RZ/G1N
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>
2018-09-17 10:46:31 +02:00
Biju Das
c3299eb277 soc: renesas: rcar-sysc: Add r8a7744 support
Add support for RZ/G1N (R8A7744) 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>
2018-09-17 10:33:33 +02:00
Fabrizio Castro
91e95ecd4b soc: renesas: rcar-rst: Add support for RZ/G2E
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-09-17 10:29:13 +02:00
Fabrizio Castro
f37d211c68 soc: renesas: rcar-sysc: Add r8a774c0 support
Add support for the RZ/G2E (R8A774C0) SoC power areas to the
R-Car SYSC driver.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2018-09-14 15:33:35 +02:00
Alex Elder
13a920ae78 soc: qcom: smem: a few last cleanups
This patch contains several small cleanups:
  - In qcom_smem_enumerate_partitions(), change the "local_host"
    argument to have 16 bit unsigned type
  - Also in qcom_smem_enumerate_partitions(), change the type of
    the "host0" and "host1" local variables to be u16
  - Fix error messages reporting host ids to use the right format
    specifier
  - Shorten the error messages as well, to fit on one line
  - Add a compile-time check to ensure the local host value passed
    to qcom_smem_enumerate_partitions() is in range

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:57:11 -05:00
Alex Elder
7d01934455 soc: qcom: smem: verify partition host ids match
Add verification in qcom_smem_partition_header() that the host ids
found in a partition's header structure match those in its partition
table entry.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:57:10 -05:00
Alex Elder
33fdbc4e5c soc: qcom: smem: small change in global entry loop
Change the logic in the loop that finds that global host entry in
the partition table not require the host0 and host1 local variables.
The next patch will remove them.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:57:08 -05:00
Alex Elder
380dc4af50 soc: qcom: smem: verify partition offset_free_uncached
Add verification in qcom_smem_partition_header() that the
offset_free_uncached field in a partition's header structure does
not exceed the partition's size.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:57:06 -05:00
Alex Elder
190b216c15 soc: qcom: smem: verify partition header size
Add verification in qcom_smem_partition_header() that the size in a
partition's header structure matches the size in its partition table
entry.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:57:04 -05:00
Alex Elder
ada7928973 soc: qcom: smem: introduce qcom_smem_partition_header()
Create a new function qcom_smem_partition_header() to encapsulate
validating locating a partition header and validating information
found within it.  This will be built up over a few commits to make
it more obvious how the common function is replacing duplicated code
elsewhere.  Initially it just verifies the header has the right
magic number.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:57:01 -05:00
Alex Elder
abc006b7a6 soc: qcom: smem: require order of host ids to match
In qcom_smem_enumerate_partitions(), we find all partitions that
have a given local host id in either its host0 or its host1 field
in the partition table entry.  We then verify that the header
structure at the start of each partition also contains the same two
host ids as is found in the table of contents.

There is no requirement that the order of the two host ids be the
same in the table of contents and in the partition header.

This patch changes that, requiring host0 to in the partition table
entry to equal host0 in the partition header structure (and similar
for the host1 values).

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:56:59 -05:00
Alex Elder
06ada44a80 soc: qcom: smem: verify both host ids in partition header
The global partition is indicated by having both host values in its
table of contents entry equal SMEM_GLOBAL_HOST=0xfffe.

In qcom_smem_set_global_partition(), we check whether the header
structure at the beginning of the partition contains that host
value, but the check only verifies *one* of them.  Change the check
so the partition header must have SMEM_GLOBAL_HOST for *both* its
host fields.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:56:58 -05:00
Alex Elder
eb68cf0909 soc: qcom: smem: small refactor in qcom_smem_enumerate_partitions()
Combine the code that checks whether a partition table entry is
associated with the local host with the assignment of the remote
host id value.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:56:56 -05:00
Alex Elder
eba757022f soc: qcom: smem: always ignore partitions with 0 offset or size
In qcom_smem_enumerate_partitions(), any partition table entry
having a zero offset or size field is ignored.  Move those checks
earlier in the loop, because there's no sense in examining the
host fields for those entries.

Add the same checks in qcom_smem_set_global_partition(), so the
scan for the global partition skips over these invalid entries.
This allows a later check for zero size or offset once the global
entry is found to be eliminated.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:56:55 -05:00
Alex Elder
100d26e8ce soc: qcom: smem: initialize region struct only when successful
Hold off initializing anything for the array entry representing a
memory region in qcom_smem_map_memory() until we know we've
successfully mapped it.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:56:53 -05:00
Alex Elder
9f01b7a8f1 soc: qcom: smem: rename variable in qcom_smem_get_global()
Rename the variable "area" to be "region" in qcom_smem_get_global(),
so its name better matches its type.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:56:51 -05:00
Lina Iyer
09e97b6c87 drivers: qcom: rpmh-rsc: clear wait_for_compl after use
The wait_for_compl register ensures the request sequence is maintained
when sending requests from the TCS. Clear the register after sending
active request and during invalidate of the sleep and wake TCS.

Reported-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:39 -05:00
Bjorn Andersson
137dc5843f soc: qcom: rmtfs-mem: Validate that scm is available
The scm device must be present in order for the rmtfs driver to
configure memory permissions for the rmtfs memory region, so check that
it is probed before continuing.

Cc: stable@vger.kernel.org
Fixes: fa65f80451 ("soc: qcom: rmtfs-mem: Add support for assigning memory to remote")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:39 -05:00
Felix Fietkau
61a3bd1008 soc: qcom: spm: add SCM probe dependency
Check for SCM availability before attempting to use SPM. SPM probe will
fail otherwise.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:38 -05:00
Niklas Cassel
ccfb464cd1 soc: qcom: Allow COMPILE_TEST of qcom SoC Kconfigs
Since commit cab673583d ("soc: Unconditionally include qcom Makefile"),
we unconditionally include the soc/qcom/Makefile.

This opens up the possibility to compile test the code even when building
for other architectures.

Allow COMPILE_TEST for all qcom SoC Kconfigs, except for two Kconfigs
that depend on QCOM_SCM, since that triggers lots of build errors in
qcom_scm.

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-09-13 16:11:38 -05:00
Niklas Cassel
4fadb26574 soc: qcom: apr: Avoid string overflow
'adev->name' is used as a NUL-terminated string, but using strncpy() with the
length equal to the buffer size may result in lack of the termination:

In function 'apr_add_device',
    inlined from 'of_register_apr_devices' at drivers//soc/qcom/apr.c:264:7,
    inlined from 'apr_probe' at drivers//soc/qcom/apr.c:290:2:
drivers//soc/qcom/apr.c:222:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation]
   strncpy(adev->name, np->name, APR_NAME_SIZE);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

This changes it to use the safer strscpy() instead.

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>
2018-09-13 16:11:37 -05:00
Niklas Cassel
4c96ed170d soc: qcom: wcnss_ctrl: Avoid string overflow
'chinfo.name' is used as a NUL-terminated string, but using strncpy() with
the length equal to the buffer size may result in lack of the termination:

drivers//soc/qcom/wcnss_ctrl.c: In function 'qcom_wcnss_open_channel':
drivers//soc/qcom/wcnss_ctrl.c:284:2: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation]
  strncpy(chinfo.name, name, sizeof(chinfo.name));
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

This changes it to use the safer strscpy() instead.

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>
2018-09-13 16:11:36 -05:00
Niklas Cassel
c62615b16c soc: qcom: Remove depends on OF from QCOM_RPMH
QCOM_RPHM already selects ARM64, which always selects OF.

Additionally, the rpmh driver only uses linux/of.h, which has dummy
definitions for all functions, in order for code to to be able to
build without CONFIG_OF set.

Remove the superfluous depends on OF.

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>
2018-09-13 16:11:36 -05:00