Commit Graph

5027 Commits

Author SHA1 Message Date
Olof Johansson
98fd150836 Add basic subarchitecture support for the DRA72x and DRA74x. These
are OMAP2+ derivative SoCs.  This should be low-risk to existing OMAP
 platforms.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/hwmod-a-early-v3.17-rc/20140827194314/
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Merge tag 'for-v3.17-rc/omap-dra72x-d74x-support-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

Pull "ARM: OMAP2+: DRA72x/DRA74x basic support" from Tony Lindgren:

Add basic subarchitecture support for the DRA72x and DRA74x.  These
are OMAP2+ derivative SoCs.  This should be low-risk to existing OMAP
platforms.

Basic build, boot, and PM test logs are available here:

http://www.pwsan.com/omap/testlogs/hwmod-a-early-v3.17-rc/20140827194314/

* tag 'for-v3.17-rc/omap-dra72x-d74x-support-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: DRA7: hwmod: Add dra74x and dra72x specific ocp interface lists
  ARM: DRA7: Add support for soc_is_dra74x() and soc_is_dra72x() variants

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-31 10:19:43 -07:00
Rajendra Nayak
f7f7a29bf0 ARM: DRA7: hwmod: Add dra74x and dra72x specific ocp interface lists
To deal with IPs which are specific to dra74x and dra72x, maintain seperate
ocp interface lists, while keeping the common list for all common IPs.

Move USB OTG SS4 to dra74x only list since its unavailable in
dra72x and is giving an abort during boot. The dra72x only list
is empty for now and a placeholder for future hwmod additions which
are specific to dra72x.

Fixes: d904b38df0 ("ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss")
Reported-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
[paul@pwsan.com: fixed comment style to conform with CodingStyle]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-08-27 19:38:23 -06:00
Rajendra Nayak
af438fec6c ARM: DRA7: Add support for soc_is_dra74x() and soc_is_dra72x() variants
Use the corresponding compatibles to identify the devices.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-08-27 19:38:22 -06:00
Tony Lindgren
cc824534d4 ARM: OMAP2+: hwmod: Rearm wake-up interrupts for DT when MUSB is idled
Looks like MUSB cable removal can cause wake-up interrupts to
stop working for device tree based booting at least for UART3
even as nothing is dynamically remuxed. This can be fixed by
calling reconfigure_io_chain() for device tree based booting
in hwmod code. Note that we already do that for legacy booting
if the legacy mux is configured.

My guess is that this is related to UART3 and MUSB ULPI
hsusb0_data0 and hsusb0_data1 support for Carkit mode that
somehow affect the configured IO chain for UART3 and require
rearming the wake-up interrupts.

In general, for device tree based booting, pinctrl-single
calls the rearm hook that in turn calls reconfigure_io_chain
so calling reconfigure_io_chain should not be needed from the
hwmod code for other events.

So let's limit the hwmod rearming of iochain only to
HWMOD_FORCE_MSTANDBY where MUSB is currently the only user
of it. If we see other devices needing similar changes we can
add more checks for it.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: stable@vger.kernel.org # v3.16
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:35 -07:00
Markus Pargmann
9a02ae4ed4 ARM: OMAP2+: omap_device: remove warning that clk alias already exists
When an alias for a clock already exists the warning is printed. For
every module with a main_clk defined, a clk alias for fck is added.
There are some components that have the same main_clk defined, so this
is a really normal situation.

For example the am33xx edma device has 4 components using the same main
clock. So there are three warnings in the boot log for this already
existing clock alias:
	platform 49000000.edma: alias fck already exists
	platform 49000000.edma: alias fck already exists
	platform 49000000.edma: alias fck already exists

As this is only interesting for developers, this patch changes the
message to a debug message.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:34 -07:00
Hans Wennborg
6953faf976 ARM: OMAP: fix %d confusingly prefixed with 0x in format string
Fix %d confusingly prefixed with 0x in format string.

Signed-off-by: Hans Wennborg <hans@hanshq.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:34 -07:00
Roger Quadros
a3e83f05fb ARM: OMAP2+: GPMC: Support Software ECC scheme via DT
For v3.14 and prior, 1-bit Hamming code ECC via software was the
default choice for some boards e.g. 3430sdp.
Commit ac65caf514 in v3.15 changed the behaviour
to use 1-bit Hamming code via Hardware using a different ECC layout
i.e. (ROM code layout) than what is used by software ECC.

This ECC layout change causes NAND filesystems created in v3.14
and prior to be unusable in v3.15 and later. So don't mark "sw" scheme
as deperecated and support it.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:33 -07:00
Roger Quadros
7d5929c1f3 mtd: nand: omap: Revert to using software ECC by default
For v3.12 and prior, 1-bit Hamming code ECC via software was the
default choice. Commit c66d039197 in v3.13 changed the behaviour
to use 1-bit Hamming code via Hardware using a different ECC layout
i.e. (ROM code layout) than what is used by software ECC.

This ECC layout change causes NAND filesystems created in v3.12
and prior to be unusable in v3.13 and later. So revert back to
using software ECC by default if an ECC scheme is not explicitely
specified.

This defect can be observed on the following boards during legacy boot

-omap3beagle
-omap3touchbook
-overo
-am3517crane
-devkit8000
-ldp
-3430sdp

Signed-off-by: Roger Quadros <rogerq@ti.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25 16:15:32 -07:00
Olof Johansson
bb7aedff3f Few fixes for the v3.17 merge window:
- Fix for DPLL rate rounding
 
 - Fix for omap3 ES3.1.2 suspend
 
 - Few coding style fixes
 
 Note that these are based on earlier omap-for-v3.17/soc.
 No strict dependency to it though, but I already merged in
 the pull request from Paul for the first fix into it and
 these are all SoC related.
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Merge tag 'omap-for-v3.17/soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge "few omap fixes for v3.17 merge window" from Tony Lindgren:

Few fixes for the v3.17 merge window:

- Fix for DPLL rate rounding
- Fix for omap3 ES3.1.2 suspend
- Few coding style fixes

* tag 'omap-for-v3.17/soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3: Fix coding style problems in arch/arm/mach-omap2/control.c
  ARM: OMAP3: Fix choice of omap3_restore_es function in OMAP34XX rev3.1.2 case.
  ARM: OMAP2+: clock: allow omap2_dpll_round_rate() to round to next-lowest rate

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-09 08:23:27 -07:00
Linus Torvalds
8065be8d03 Merge branch 'akpm' (second patchbomb from Andrew Morton)
Merge more incoming from Andrew Morton:
 "Two new syscalls:

     memfd_create in "shm: add memfd_create() syscall"
     kexec_file_load in "kexec: implementation of new syscall kexec_file_load"

  And:

   - Most (all?) of the rest of MM

   - Lots of the usual misc bits

   - fs/autofs4

   - drivers/rtc

   - fs/nilfs

   - procfs

   - fork.c, exec.c

   - more in lib/

   - rapidio

   - Janitorial work in filesystems: fs/ufs, fs/reiserfs, fs/adfs,
     fs/cramfs, fs/romfs, fs/qnx6.

   - initrd/initramfs work

   - "file sealing" and the memfd_create() syscall, in tmpfs

   - add pci_zalloc_consistent, use it in lots of places

   - MAINTAINERS maintenance

   - kexec feature work"

* emailed patches from Andrew Morton <akpm@linux-foundation.org: (193 commits)
  MAINTAINERS: update nomadik patterns
  MAINTAINERS: update usb/gadget patterns
  MAINTAINERS: update DMA BUFFER SHARING patterns
  kexec: verify the signature of signed PE bzImage
  kexec: support kexec/kdump on EFI systems
  kexec: support for kexec on panic using new system call
  kexec-bzImage64: support for loading bzImage using 64bit entry
  kexec: load and relocate purgatory at kernel load time
  purgatory: core purgatory functionality
  purgatory/sha256: provide implementation of sha256 in purgaotory context
  kexec: implementation of new syscall kexec_file_load
  kexec: new syscall kexec_file_load() declaration
  kexec: make kexec_segment user buffer pointer a union
  resource: provide new functions to walk through resources
  kexec: use common function for kimage_normal_alloc() and kimage_crash_alloc()
  kexec: move segment verification code in a separate function
  kexec: rename unusebale_pages to unusable_pages
  kernel: build bin2c based on config option CONFIG_BUILD_BIN2C
  bin2c: move bin2c in scripts/basic
  shm: wait for pins to be released when sealing
  ...
2014-08-08 15:57:47 -07:00
Daniel Walter
056610ac14 arch/arm/mach-omap2: replace strict_strto* with kstrto*
Replace obsolete strict_strto call with kstrto calls.
Simplify copy_from_user/strict_strto by using kstrto_from_user

Signed-off-by: Daniel Walter <dwalter@google.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-08 15:57:27 -07:00
Linus Torvalds
d4e1f5a14e ARM: SoC device-tree changes for 3.17
Unlike the board branch, this keeps having large sets of changes for
 every release, but that's quite expected and is so far working well.
 
 Most of this is plumbing for various device bindings and new platforms,
 but there's also a bit of cleanup and code removal for things that
 are moved from platform code to DT contents (some OMAP clock code in
 particular).
 
 There's also a pinctrl driver for tegra here (appropriately acked),
 that's introduced this way to make it more bisectable.
 
 I'm happy to say that there were no conflicts at all with this branch
 this release, which means that changes are flowing through our tree as
 expected instead of merged through driver maintainers (or at least not
 done with conflicts).
 
 There are several new boards added, and a couple of SoCs. In no particular
 order:
 
 * Rockchip RK3288 SoC support, including DTS for a dev board that they
   have seeded with some community developers.
 * Better support for Hardkernel Exynos4-based ODROID boards.
 * CCF conversions (and dtsi contents) for several Renesas platforms.
 * Gumstix Pepper (TI AM335x) board support
 * TI eval board support for AM437x
 * Allwinner A23 SoC, very similar to existing ones which mostly has
   resulted in DT changes for support. Also includes support for an Ippo
   tablet with the chipset.
 * Allwinner A31 Hummingbird board support, not to be confused with the
   SolidRun i.MX-based Hummingboard.
 * Tegra30 Apalis board support
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Merge tag 'dt-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device-tree changes from Olof Johansson:
 "Unlike the board branch, this keeps having large sets of changes for
  every release, but that's quite expected and is so far working well.

  Most of this is plumbing for various device bindings and new
  platforms, but there's also a bit of cleanup and code removal for
  things that are moved from platform code to DT contents (some OMAP
  clock code in particular).

  There's also a pinctrl driver for tegra here (appropriately acked),
  that's introduced this way to make it more bisectable.

  I'm happy to say that there were no conflicts at all with this branch
  this release, which means that changes are flowing through our tree as
  expected instead of merged through driver maintainers (or at least not
  done with conflicts).

  There are several new boards added, and a couple of SoCs.  In no
  particular order:

   - Rockchip RK3288 SoC support, including DTS for a dev board that
     they have seeded with some community developers.
   - Better support for Hardkernel Exynos4-based ODROID boards.
   - CCF conversions (and dtsi contents) for several Renesas platforms.
   - Gumstix Pepper (TI AM335x) board support
   - TI eval board support for AM437x
   - Allwinner A23 SoC, very similar to existing ones which mostly has
     resulted in DT changes for support.  Also includes support for an
     Ippo tablet with the chipset.
   - Allwinner A31 Hummingbird board support, not to be confused with
     the SolidRun i.MX-based Hummingboard.
   - Tegra30 Apalis board support"

* tag 'dt-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (334 commits)
  ARM: dts: Enable USB host0 (EHCI) on rk3288-evb
  ARM: dts: add rk3288 ehci usb devices
  ARM: dts: Turn on USB host vbus on rk3288-evb
  ARM: tegra: apalis t30: fix device tree compatible node
  ARM: tegra: paz00: Fix some indentation inconsistencies
  ARM: zynq: DT: Clarify Xilinx Zynq platform
  ARM: dts: rockchip: add watchdog node
  ARM: dts: rockchip: remove pinctrl setting from radxarock uart2
  ARM: dts: Add missing pinctrl for uart0/1 for exynos3250
  ARM: dts: Remove duplicate 'interrput-parent' property for exynos3250
  ARM: dts: Add TMU dt node to monitor the temperature for exynos3250
  ARM: dts: Specify MAX77686 pmic interrupt for exynos5250-smdk5250
  ARM: dts: cypress,cyapa trackpad is exynos5250-Snow only
  ARM: dts: max77686 is exynos5250-snow only
  ARM: zynq: DT: Remove DMA from board DTs
  ARM: zynq: DT: Add CAN node
  ARM: EXYNOS: Add exynos5260 PMU compatible string to DT match table
  ARM: dts: Add PMU DT node for exynos5260 SoC
  ARM: EXYNOS: Add support for Exynos5410 PMU
  ARM: dts: Add PMU to exynos5410
  ...
2014-08-08 11:16:58 -07:00
Linus Torvalds
b3345d7c57 ARM: SoC platform changes for 3.17
This is the bulk of new SoC enablement and other platform changes for 3.17:
 
 * Samsung S5PV210 has been converted to DT and multiplatform
 * Clock drivers and bindings for some of the lower-end i.MX 1/2 platforms
 * Kirkwood, one of the popular Marvell platforms, is folded into the
   mvebu platform code, removing mach-kirkwood.
 * Hwmod data for TI AM43xx and DRA7 platforms.
 * More additions of Renesas shmobile platform support
 * Removal of plat-samsung contents that can be removed with S5PV210 being
   multiplatform/DT-enabled and the other two old platforms being removed.
 
 New platforms (most with only basic support right now):
 
 * Hisilicon X5HD2 settop box chipset is introduced
 * Mediatek MT6589 (mobile chipset) is introduced
 * Broadcom BCM7xxx settop box chipset is introduced
 
 + as usual a lot other pieces all over the platform code.
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Merge tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "This is the bulk of new SoC enablement and other platform changes for
  3.17:

   - Samsung S5PV210 has been converted to DT and multiplatform
   - Clock drivers and bindings for some of the lower-end i.MX 1/2
     platforms
   - Kirkwood, one of the popular Marvell platforms, is folded into the
     mvebu platform code, removing mach-kirkwood
   - Hwmod data for TI AM43xx and DRA7 platforms
   - More additions of Renesas shmobile platform support
   - Removal of plat-samsung contents that can be removed with S5PV210
     being multiplatform/DT-enabled and the other two old platforms
     being removed

  New platforms (most with only basic support right now):

   - Hisilicon X5HD2 settop box chipset is introduced
   - Mediatek MT6589 (mobile chipset) is introduced
   - Broadcom BCM7xxx settop box chipset is introduced

  + as usual a lot other pieces all over the platform code"

* tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (240 commits)
  ARM: hisi: remove smp from machine descriptor
  power: reset: move hisilicon reboot code
  ARM: dts: Add hix5hd2-dkb dts file.
  ARM: debug: Rename Hi3716 to HIX5HD2
  ARM: hisi: enable hix5hd2 SoC
  ARM: hisi: add ARCH_HISI
  MAINTAINERS: add entry for Broadcom ARM STB architecture
  ARM: brcmstb: select GISB arbiter and interrupt drivers
  ARM: brcmstb: add infrastructure for ARM-based Broadcom STB SoCs
  ARM: configs: enable SMP in bcm_defconfig
  ARM: add SMP support for Broadcom mobile SoCs
  Documentation: arm: misc updates to Marvell EBU SoC status
  Documentation: arm: add URLs to public datasheets for the Marvell Armada XP SoC
  ARM: mvebu: fix build without platforms selected
  ARM: mvebu: add cpuidle support for Armada 38x
  ARM: mvebu: add cpuidle support for Armada 370
  cpuidle: mvebu: add Armada 38x support
  cpuidle: mvebu: add Armada 370 support
  cpuidle: mvebu: rename the driver from armada-370-xp to mvebu-v7
  ARM: mvebu: export the SCU address
  ...
2014-08-08 11:14:29 -07:00
Linus Torvalds
44c916d58b ARM: SoC cleanups for 3.17
This merge window brings a good size of cleanups on various
 platforms. Among the bigger ones:
 
 * Removal of Samsung s5pc100 and s5p64xx platforms. Both of these have
   lacked active support for quite a while, and after asking around nobody
   showed interest in keeping them around. If needed, they could be
   resurrected in the future but it's more likely that we would prefer
   reintroduction of them as DT and multiplatform-enabled platforms
   instead.
 * OMAP4 controller code register define diet. They defined a lot of registers
   that were never actually used, etc.
 * Move of some of the Tegra platform code (PMC, APBIO, fuse, powergate)
   to drivers/soc so it can be shared with 64-bit code. This also converts them
   over to traditional driver models where possible.
 * Removal of legacy gpio-samsung driver, since the last users have been
   removed (moved to pinctrl)
 
 Plus a bunch of smaller changes for various platforms that sort of
 dissapear in the diffstat for the above. clps711x cleanups, shmobile
 header file refactoring/moves for multiplatform friendliness, some misc
 cleanups, etc.
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Merge tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This merge window brings a good size of cleanups on various platforms.
  Among the bigger ones:

   - Removal of Samsung s5pc100 and s5p64xx platforms.  Both of these
     have lacked active support for quite a while, and after asking
     around nobody showed interest in keeping them around.  If needed,
     they could be resurrected in the future but it's more likely that
     we would prefer reintroduction of them as DT and
     multiplatform-enabled platforms instead.

   - OMAP4 controller code register define diet.  They defined a lot of
     registers that were never actually used, etc.

   - Move of some of the Tegra platform code (PMC, APBIO, fuse,
     powergate) to drivers/soc so it can be shared with 64-bit code.
     This also converts them over to traditional driver models where
     possible.

   - Removal of legacy gpio-samsung driver, since the last users have
     been removed (moved to pinctrl)

  Plus a bunch of smaller changes for various platforms that sort of
  dissapear in the diffstat for the above.  clps711x cleanups, shmobile
  header file refactoring/moves for multiplatform friendliness, some
  misc cleanups, etc"

* tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (117 commits)
  drivers: CCI: Correct use of ! and &
  video: clcd-versatile: Depend on ARM
  video: fix up versatile CLCD helper move
  MAINTAINERS: Add sdhci-st file to ARCH/STI architecture
  ARM: EXYNOS: Fix build breakge with PM_SLEEP=n
  MAINTAINERS: Remove Kirkwood
  ARM: tegra: Convert PMC to a driver
  soc/tegra: fuse: Set up in early initcall
  ARM: tegra: Always lock the CPU reset vector
  ARM: tegra: Setup CPU hotplug in a pure initcall
  soc/tegra: Implement runtime check for Tegra SoCs
  soc/tegra: fuse: fix dummy functions
  soc/tegra: fuse: move APB DMA into Tegra20 fuse driver
  soc/tegra: Add efuse and apbmisc bindings
  soc/tegra: Add efuse driver for Tegra
  ARM: tegra: move fuse exports to soc/tegra/fuse.h
  ARM: tegra: export apb dma readl/writel
  ARM: tegra: Use a function to get the chip ID
  ARM: tegra: Sort includes alphabetically
  ARM: tegra: Move includes to include/soc/tegra
  ...
2014-08-08 11:00:26 -07:00
Olof Johansson
c4846a7823 Merge branch 'next/fixes-non-critical' into next/cleanup
Merging in the few fixes we had also received, no need to keep those in
a separate branch.

* next/fixes-non-critical:
  drivers: CCI: Correct use of ! and &
  MAINTAINERS: Add sdhci-st file to ARCH/STI architecture
  ARM: EXYNOS: Fix build breakge with PM_SLEEP=n
  ARM: omap2+: gpmc-nand: Use dynamic platform_device_alloc()
  omap16xx: Removes fixme no longer needed in ocpi_enable()
  ARM: dts: OMAP5: Add device nodes for ABB
  ARM: omap2+: usb-tusb6010.c: Cleaning up variable is set more than once

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-07 15:03:02 -07:00
Linus Torvalds
7725131982 ACPI and power management updates for 3.17-rc1
- ACPICA update to upstream version 20140724.  That includes
    ACPI 5.1 material (support for the _CCA and _DSD predefined names,
    changes related to the DMAR and PCCT tables and ARM support among
    other things) and cleanups related to using ACPICA's header files.
    A major part of it is related to acpidump and the core code used
    by that utility.  Changes from Bob Moore, David E Box, Lv Zheng,
    Sascha Wildner, Tomasz Nowicki, Hanjun Guo.
 
  - Radix trees for memory bitmaps used by the hibernation core from
    Joerg Roedel.
 
  - Support for waking up the system from suspend-to-idle (also known
    as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
    (Rafael J Wysocki).
 
  - Fixes for issues related to ACPI button events (Rafael J Wysocki).
 
  - New device ID for an ACPI-enumerated device included into the
    Wildcat Point PCH from Jie Yang.
 
  - ACPI video updates related to backlight handling from Hans de Goede
    and Linus Torvalds.
 
  - Preliminary changes needed to support ACPI on ARM from Hanjun Guo
    and Graeme Gregory.
 
  - ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.
 
  - Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
    (Rafael J Wysocki).
 
  - ACPI-based device hotplug cleanups from Wei Yongjun and
    Rafael J Wysocki.
 
  - Cleanups and improvements related to system suspend from
    Lan Tianyu, Randy Dunlap and Rafael J Wysocki.
 
  - ACPI battery cleanup from Wei Yongjun.
 
  - cpufreq core fixes from Viresh Kumar.
 
  - Elimination of a deadband effect from the cpufreq ondemand
    governor and intel_pstate driver cleanups from Stratos Karafotis.
 
  - 350MHz CPU support for the powernow-k6 cpufreq driver from
    Mikulas Patocka.
 
  - Fix for the imx6 cpufreq driver from Anson Huang.
 
  - cpuidle core and governor cleanups from Daniel Lezcano,
    Sandeep Tripathy and Mohammad Merajul Islam Molla.
 
  - Build fix for the big_little cpuidle driver from Sachin Kamat.
 
  - Configuration fix for the Operation Performance Points (OPP)
    framework from Mark Brown.
 
  - APM cleanup from Jean Delvare.
 
  - cpupower utility fixes and cleanups from Peter Senna Tschudin,
    Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas Renninger.
 
 /
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Merge tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:
 "Again, ACPICA leads the pack (47 commits), followed by cpufreq (18
  commits) and system suspend/hibernation (9 commits).

  From the new code perspective, the ACPICA update brings ACPI 5.1 to
  the table, including a new device configuration object called _DSD
  (Device Specific Data) that will hopefully help us to operate device
  properties like Device Trees do (at least to some extent) and changes
  related to supporting ACPI on ARM.

  Apart from that we have hibernation changes making it use radix trees
  to store memory bitmaps which should speed up some operations carried
  out by it quite significantly.  We also have some power management
  changes related to suspend-to-idle (the "freeze" sleep state) support
  and more preliminary changes needed to support ACPI on ARM (outside of
  ACPICA).

  The rest is fixes and cleanups pretty much everywhere.

  Specifics:

   - ACPICA update to upstream version 20140724.  That includes ACPI 5.1
     material (support for the _CCA and _DSD predefined names, changes
     related to the DMAR and PCCT tables and ARM support among other
     things) and cleanups related to using ACPICA's header files.  A
     major part of it is related to acpidump and the core code used by
     that utility.  Changes from Bob Moore, David E Box, Lv Zheng,
     Sascha Wildner, Tomasz Nowicki, Hanjun Guo.

   - Radix trees for memory bitmaps used by the hibernation core from
     Joerg Roedel.

   - Support for waking up the system from suspend-to-idle (also known
     as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
     (Rafael J Wysocki).

   - Fixes for issues related to ACPI button events (Rafael J Wysocki).

   - New device ID for an ACPI-enumerated device included into the
     Wildcat Point PCH from Jie Yang.

   - ACPI video updates related to backlight handling from Hans de Goede
     and Linus Torvalds.

   - Preliminary changes needed to support ACPI on ARM from Hanjun Guo
     and Graeme Gregory.

   - ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.

   - Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
     (Rafael J Wysocki).

   - ACPI-based device hotplug cleanups from Wei Yongjun and Rafael J
     Wysocki.

   - Cleanups and improvements related to system suspend from Lan
     Tianyu, Randy Dunlap and Rafael J Wysocki.

   - ACPI battery cleanup from Wei Yongjun.

   - cpufreq core fixes from Viresh Kumar.

   - Elimination of a deadband effect from the cpufreq ondemand governor
     and intel_pstate driver cleanups from Stratos Karafotis.

   - 350MHz CPU support for the powernow-k6 cpufreq driver from Mikulas
     Patocka.

   - Fix for the imx6 cpufreq driver from Anson Huang.

   - cpuidle core and governor cleanups from Daniel Lezcano, Sandeep
     Tripathy and Mohammad Merajul Islam Molla.

   - Build fix for the big_little cpuidle driver from Sachin Kamat.

   - Configuration fix for the Operation Performance Points (OPP)
     framework from Mark Brown.

   - APM cleanup from Jean Delvare.

   - cpupower utility fixes and cleanups from Peter Senna Tschudin,
     Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas
     Renninger"

* tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (118 commits)
  ACPI / LPSS: add LPSS device for Wildcat Point PCH
  ACPI / PNP: Replace faulty is_hex_digit() by isxdigit()
  ACPICA: Update version to 20140724.
  ACPICA: ACPI 5.1: Update for PCCT table changes.
  ACPICA/ARM: ACPI 5.1: Update for GTDT table changes.
  ACPICA/ARM: ACPI 5.1: Update for MADT changes.
  ACPICA/ARM: ACPI 5.1: Update for FADT changes.
  ACPICA: ACPI 5.1: Support for the _CCA predifined name.
  ACPICA: ACPI 5.1: New notify value for System Affinity Update.
  ACPICA: ACPI 5.1: Support for the _DSD predefined name.
  ACPICA: Debug object: Add current value of Timer() to debug line prefix.
  ACPICA: acpihelp: Add UUID support, restructure some existing files.
  ACPICA: Utilities: Fix local printf issue.
  ACPICA: Tables: Update for DMAR table changes.
  ACPICA: Remove some extraneous printf arguments.
  ACPICA: Update for comments/formatting. No functional changes.
  ACPICA: Disassembler: Add support for the ToUUID opererator (macro).
  ACPICA: Remove a redundant cast to acpi_size for ACPI_OFFSET() macro.
  ACPICA: Work around an ancient GCC bug.
  ACPI / processor: Make it possible to get local x2apic id via _MAT
  ...
2014-08-06 20:34:19 -07:00
Linus Torvalds
dc7aafba6b IOMMU Updates for Linux v3.17
This time with:
 
 	* Support for the generic PCI device alias code in x86 IOMMU
 	  drivers
 
 	* A new sysfs interface for IOMMUs
 
 	* Preparations for hotplug support in the Intel IOMMU driver
 
 	* Change the AMD IOMMUv2 driver to not hold references to core
 	  data structures like mm_struct or task_struct. Rely on
 	  mmu_notifers instead.
 
 	* Removal of the OMAP IOVMM interface, all users of it are
 	  converted to DMA-API now
 
 	* Make the struct iommu_ops const everywhere
 
 	* Initial PCI support for the ARM SMMU driver
 
 	* There is now a generic device tree binding documented for
 	  ARM IOMMUs
 
 	* Various fixes and cleanups all over the place
 
 Also included are some changes to the OMAP code, which are acked by the
 maintainer.
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Merge tag 'iommu-updates-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:
 "This time with:

   - support for the generic PCI device alias code in x86 IOMMU drivers

   - a new sysfs interface for IOMMUs

   - preparations for hotplug support in the Intel IOMMU driver

   - change the AMD IOMMUv2 driver to not hold references to core data
     structures like mm_struct or task_struct.  Rely on mmu_notifers
     instead.

   - removal of the OMAP IOVMM interface, all users of it are converted
     to DMA-API now

   - make the struct iommu_ops const everywhere

   - initial PCI support for the ARM SMMU driver

   - there is now a generic device tree binding documented for ARM
     IOMMUs

   - various fixes and cleanups all over the place

  Also included are some changes to the OMAP code, which are acked by
  the maintainer"

* tag 'iommu-updates-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (67 commits)
  devicetree: Add generic IOMMU device tree bindings
  iommu/vt-d: Fix race setting IRQ CPU affinity while freeing IRQ
  iommu/amd: Fix 2 typos in comments
  iommu/amd: Fix device_state reference counting
  iommu/amd: Remove change_pte mmu_notifier call-back
  iommu/amd: Don't set pasid_state->mm to NULL in unbind_pasid
  iommu/exynos: Select ARM_DMA_USE_IOMMU
  iommu/vt-d: Exclude devices using RMRRs from IOMMU API domains
  iommu/omap: Remove platform data da_start and da_end fields
  ARM: omap: Don't set iommu pdata da_start and da_end fields
  iommu/omap: Remove virtual memory manager
  iommu/vt-d: Fix issue in computing domain's iommu_snooping flag
  iommu/vt-d: Introduce helper function iova_size() to improve code readability
  iommu/vt-d: Introduce helper domain_pfn_within_range() to simplify code
  iommu/vt-d: Simplify intel_unmap_sg() and kill duplicated code
  iommu/vt-d: Change iommu_enable/disable_translation to return void
  iommu/vt-d: Simplify include/linux/dmar.h
  iommu/vt-d: Avoid freeing virtual machine domain in free_dmar_iommu()
  iommu/vt-d: Fix possible invalid memory access caused by free_dmar_iommu()
  iommu/vt-d: Allocate dynamic domain id for virtual domains only
  ...
2014-08-05 15:59:35 -07:00
Linus Torvalds
c489d98c8c Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
 "Included in this update:

   - perf updates from Will Deacon:

     The main changes are callchain stability fixes from Jean Pihet and
     event mapping and PMU name rework from Mark Rutland

     The latter is preparatory work for enabling some code re-use with
     arm64 in the future.

   - updates for nommu from Uwe Kleine-König:

     Two different fixes for the same problem making some ARM nommu
     configurations not boot since 3.6-rc1.  The problem is that
     user_addr_max returned the biggest available RAM address which
     makes some copy_from_user variants fail to read from XIP memory.

   - deprecate legacy OMAP DMA API, in preparation for it's removal.

     The popular drivers have been converted over, leaving a very small
     number of rarely used drivers, which hopefully can be converted
     during the next cycle with a bit more visibility (and hopefully
     people popping out of the woodwork to help test)

   - more tweaks for BE systems, particularly with the kernel image
     format.  In connection with this, I've cleaned up the way we
     generate the linker script for the decompressor.

   - removal of hard-coded assumptions of the kernel stack size, making
     everywhere depend on the value of THREAD_SIZE_ORDER.

   - MCPM updates from Nicolas Pitre.

   - Make it easier for proper CPU part number checks (which should
     always include the vendor field).

   - Assembly code optimisation - use the "bx" instruction when
     returning from a function on ARMv6+ rather than "mov pc, reg".

   - Save the last kernel misaligned fault location and report it via
     the procfs alignment file.

   - Clean up the way we create the initial stack frame, which is a
     repeated pattern in several different locations.

   - Support for 8-byte get_user(), needed for some DRM implementations.

   - mcs locking from Will Deacon.

   - Save and restore a few more Cortex-A9 registers (for errata
     workarounds)

   - Fix various aspects of the SWP emulation, and the ELF hwcap for the
     SWP instruction.

   - Update LPAE logic for pte_write and pmd_write to make it more
     correct.

   - Support for Broadcom Brahma15 CPU cores.

   - ARM assembly crypto updates from Ard Biesheuvel"

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (53 commits)
  ARM: add comments to the early page table remap code
  ARM: 8122/1: smp_scu: enable SCU standby support
  ARM: 8121/1: smp_scu: use macro for SCU enable bit
  ARM: 8120/1: crypto: sha512: add ARM NEON implementation
  ARM: 8119/1: crypto: sha1: add ARM NEON implementation
  ARM: 8118/1: crypto: sha1/make use of common SHA-1 structures
  ARM: 8113/1: remove remaining definitions of PLAT_PHYS_OFFSET from <mach/memory.h>
  ARM: 8111/1: Enable erratum 798181 for Broadcom Brahma-B15
  ARM: 8110/1: do CPU-specific init for Broadcom Brahma15 cores
  ARM: 8109/1: mm: Modify pte_write and pmd_write logic for LPAE
  ARM: 8108/1: mm: Introduce {pte,pmd}_isset and {pte,pmd}_isclear
  ARM: hwcap: disable HWCAP_SWP if the CPU advertises it has exclusives
  ARM: SWP emulation: only initialise on ARMv7 CPUs
  ARM: SWP emulation: always enable when SMP is enabled
  ARM: 8103/1: save/restore Cortex-A9 CP15 registers on suspend/resume
  ARM: 8098/1: mcs lock: implement wfe-based polling for MCS locking
  ARM: 8091/2: add get_user() support for 8 byte types
  ARM: 8097/1: unistd.h: relocate comments back to place
  ARM: 8096/1: Describe required sort order for textofs-y (TEXT_OFFSET)
  ARM: 8090/1: add revision info for PL310 errata 588369 and 727915
  ...
2014-08-05 10:05:29 -07:00
Linus Torvalds
53ee983378 Staging driver patches for 3.17-rc1
Here's the big pull request for the staging driver tree for 3.17-rc1.
 
 Lots of things in here, over 2000 patches, but the best part is this:
  1480 files changed, 39070 insertions(+), 254659 deletions(-)
 
 Thanks to the great work of Kristina Martšenko, 14 different staging
 drivers have been removed from the tree as they were obsolete and no one
 was willing to work on cleaning them up.  Other than the driver
 removals, loads of cleanups are in here (comedi, lustre, etc.) as well
 as the usual IIO driver updates and additions.
 
 All of this has been in the linux-next tree for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here's the big pull request for the staging driver tree for 3.17-rc1.

  Lots of things in here, over 2000 patches, but the best part is this:
   1480 files changed, 39070 insertions(+), 254659 deletions(-)

  Thanks to the great work of Kristina Martšenko, 14 different staging
  drivers have been removed from the tree as they were obsolete and no
  one was willing to work on cleaning them up.  Other than the driver
  removals, loads of cleanups are in here (comedi, lustre, etc.) as well
  as the usual IIO driver updates and additions.

  All of this has been in the linux-next tree for a while"

* tag 'staging-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (2199 commits)
  staging: comedi: addi_apci_1564: remove diagnostic interrupt support code
  staging: comedi: addi_apci_1564: add subdevice to check diagnostic status
  staging: wlan-ng: coding style problem fix
  staging: wlan-ng: fixing coding style problems
  staging: comedi: ii_pci20kc: request and ioremap memory
  staging: lustre: bitwise vs logical typo
  staging: dgnc: Remove unneeded dgnc_trace.c and dgnc_trace.h
  staging: dgnc: rephrase comment
  staging: comedi: ni_tio: remove some dead code
  staging: rtl8723au: Fix static symbol sparse warning
  staging: rtl8723au: usb_dvobj_init(): Remove unused variable 'pdev_desc'
  staging: rtl8723au: Do not duplicate kernel provided USB macros
  staging: rtl8723au: Remove never set struct pwrctrl_priv.bHWPowerdown
  staging: rtl8723au: Remove two never set variables
  staging: rtl8723au: RSSI_test is never set
  staging:r8190: coding style: Fixed checkpatch reported Error
  staging:r8180: coding style: Fixed too long lines
  staging:r8180: coding style: Fixed commenting style
  staging: lustre: ptlrpc: lproc_ptlrpc.c - fix dereferenceing user space buffer
  staging: lustre: ldlm: ldlm_resource.c - fix dereferenceing user space buffer
  ...
2014-08-04 18:36:12 -07:00
Jeremy Vial
ae21e6180a ARM: OMAP3: Fix coding style problems in arch/arm/mach-omap2/control.c
Fix coding style problems in arch/arm/mach-omap2/control.c.

Signed-off-by: Jeremy Vial <jvial@adeneo-embedded.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-01 01:21:14 -07:00
Jeremy Vial
9b5f7428f8 ARM: OMAP3: Fix choice of omap3_restore_es function in OMAP34XX rev3.1.2 case.
According to the comment “restore_es3: applies to 34xx >= ES3.0" in
"arch/arm/mach-omap2/sleep34xx.S”, omap3_restore_es3 should be used
if the revision of an OMAP34xx is ES3.1.2.

Signed-off-by: Jeremy Vial <jvial@adeneo-embedded.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-01 01:17:50 -07:00
Joerg Roedel
4c5e9d9f0d Merge branches 'x86/vt-d', 'x86/amd', 'arm/omap', 'ppc/pamu', 'arm/smmu', 'arm/exynos' and 'core' into next 2014-07-31 20:29:02 +02:00
Tony Lindgren
d40dbcd57b Modify OMAP PLL rate rounding function to round to the exact rate requested
or the next one below it.  This is intended to resolve some DSS problems.
 
 Basic build, boot, and PM test results are available here:
 
 http://www.pwsan.com/omap/testlogs/clock-b-v3.17/20140725061121/
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Merge tag 'for-v3.17/omap-clock-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.17/soc

Modify OMAP PLL rate rounding function to round to the exact rate requested
or the next one below it.  This is intended to resolve some DSS problems.

Basic build, boot, and PM test results are available here:

http://www.pwsan.com/omap/testlogs/clock-b-v3.17/20140725061121/
2014-07-29 04:03:30 -07:00
Laurent Pinchart
4aa5dd7e56 ARM: omap: Don't set iommu pdata da_start and da_end fields
The fields are not used by the driver and will be removed from platform
data. Don't set them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-07-29 12:39:23 +02:00
Arnd Bergmann
944483d033 Merge branch 'next/fixes-non-critical' into next/soc
This resolves a nontrivial conflict against a bug fix
in another branch.

Conflicts:
	arch/arm/mach-exynos/pm.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-07-26 17:54:21 +02:00
Arnd Bergmann
fd9f5edf6e Fixes for omaps that were not considered urgent enough for the
rc series. Mostly a fix for GPMC allocation and omap5 ABB
 (Adaptive Body Bias).
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Merge tag 'omap-for-v3.17/fixes-not-urgent-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

Merge non-urgent omap fixes from Tony Lindgren:

Fixes for omaps that were not considered urgent enough for the
rc series. Mostly a fix for GPMC allocation and omap5 ABB
(Adaptive Body Bias).

* tag 'omap-for-v3.17/fixes-not-urgent-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: omap2+: gpmc-nand: Use dynamic platform_device_alloc()
  omap16xx: Removes fixme no longer needed in ocpi_enable()
  ARM: dts: OMAP5: Add device nodes for ABB
  ARM: omap2+: usb-tusb6010.c: Cleaning up variable is set more than once

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-07-26 11:36:28 +02:00
Arnd Bergmann
0081b77d98 SoC related changes for omaps for v3.17 merge window:
- Add device tree and hwmod data for various devices
   for new SoCs
 
 - Remove legacy mailbox hwmod data that's no longer
   needed for SoCs that are DT only. Note that this may
   cause a minor merge conflict in mach-omap2/devices.c
   with omap_init_mbox() and omap_init_hdmi_audio(), both
   are legacy code that is getting removed
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Merge tag 'omap-for-v3.17/soc-new' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Merge "SoC related changes for omaps for v3.17 merge window"
from Tony Lindgren:

- Add device tree and hwmod data for various devices
  for new SoCs

- Remove legacy mailbox hwmod data that's no longer
  needed for SoCs that are DT only. Note that this may
  cause a minor merge conflict in mach-omap2/devices.c
  with omap_init_mbox() and omap_init_hdmi_audio(), both
  are legacy code that is getting removed

* tag 'omap-for-v3.17/soc-new' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: DRA7: hwmod: Add data for RTC
  arm: dra7xx: Add hwmod data for MDIO and CPSW
  arm: dra7xx: Add hwmod data for pcie1 and pcie2 subsystems
  arm: dra7xx: Add hwmod data for pcie1 phy and pcie2 phy
  ARM: DRA7: hwmod: Add OCP2SCP3 module
  ARM: DRA7: hwmod: remove interrupts for DMA
  ARM: OMAP2+: DMA: remove requirement of irq for platform-dma driver
  ARM: AM33xx: hwmod_data: Remove legacy mailbox addrs
  ARM: OMAP4: hwmod_data: Remove legacy mailbox addrs
  ARM: OMAP2: hwmod_data: Remove legacy mailbox data and addrs
  ARM: OMAP2+: Avoid mailbox legacy device creation for DT-boot
  ARM: DRA7: hwmod_data: Add mailbox hwmod data
  ARM: dts: DRA7: Add mailbox nodes
  ARM: dts: AM4372: Correct mailbox node data
  ARM: dts: AM33xx: Add mailbox node
  ARM: dts: OMAP4: Add mailbox node
  ARM: dts: OMAP2+: Add mailbox fifo and user information
  ARM: AM43xx: hwmod: add DSS hwmod data

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-07-26 11:33:34 +02:00
Arnd Bergmann
ba66d7f00f Merge branch 'omap/cleanup' into next/soc
This is a dependency for the omap/soc branch

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-07-26 11:32:47 +02:00
Paul Walmsley
0a26344440 ARM: OMAP2+: clock: allow omap2_dpll_round_rate() to round to next-lowest rate
Change the behavior of omap2_dpll_round_rate() to round to either the
exact rate requested, or the next lowest rate that the clock is able to
provide.

This is not an ideal fix, but is intended to provide a relatively safe
way for drivers to set PLL rates, until a better solution can be
implemented.

For the time being, omap3_noncore_dpll_set_rate() is still allowed to
set its rate to something other than what the caller requested; but will
warn when this occurs.

Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-25 06:11:15 -06:00
Christoph Fritz
33753cd2ba ARM: OMAP2+: gpmc: fix gpmc_hwecc_bch_capable()
This patch adds bch8 ecc software fallback which is mostly used by
omap3s because they lack hardware elm support.

Fixes: 0611c41934 (ARM: OMAP2+: gpmc:
update gpmc_hwecc_bch_capable() for new platforms and ECC schemes)
Cc: <stable@vger.kernel.org> # 3.15.x+
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Reviewed-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-23 01:48:24 -07:00
Tony Lindgren
3965f5ba04 Merge branch 'omap-for-v3.17/mailbox' into omap-for-v3.17/soc 2014-07-23 01:26:02 -07:00
Tony Lindgren
ecf4c7938f OMAP hwmod data additions for v3.17. Most of these are DRA7xx-related,
although one patch adds DSS hwmods for AM43xx.
 
 Basic build, boot, and PM test results are available here:
 
 http://www.pwsan.com/omap/testlogs/hwmod-a-v3.17/20140722143514/
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Merge tag 'for-v3.17/omap-hwmod-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.17/soc

OMAP hwmod data additions for v3.17.  Most of these are DRA7xx-related,
although one patch adds DSS hwmods for AM43xx.

Basic build, boot, and PM test results are available here:

http://www.pwsan.com/omap/testlogs/hwmod-a-v3.17/20140722143514/
2014-07-23 01:21:33 -07:00
Mark Brown
78c5e0bb14 PM / OPP: Remove ARCH_HAS_OPP
Since the OPP layer is a kernel library which has been converted to be
directly selectable by its callers rather than user selectable and
requiring architectures to enable it explicitly the ARCH_HAS_OPP symbol
has become redundant and can be removed. Do so.

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Shawn Guo <shawn.guo@freescale.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-07-23 00:51:30 +02:00
Lokesh Vutla
c913c8a15a ARM: DRA7: hwmod: Add data for RTC
Add hwmod data for RTC

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:06 -06:00
Mugunthan V N
077c42f75e arm: dra7xx: Add hwmod data for MDIO and CPSW
Adding hwmod data for CPSW and MDIO which is present in DRA7xx SoC

Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Kishon Vijay Abraham I
8dd3eb711e arm: dra7xx: Add hwmod data for pcie1 and pcie2 subsystems
Added hwmod data for pcie1 and pcie2 subsystem present in DRA7xx SOC.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Kishon Vijay Abraham I
70c18ef7f1 arm: dra7xx: Add hwmod data for pcie1 phy and pcie2 phy
Added hwmod data for pcie1 and pcie2 phy present in DRA7xx SOC.
Also added the missing CLKCTRL OFFSET macro and CONTEXT OFFSET macro
for pcie1 phy and pcie2 phy.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Roger Quadros
df0d0f11ff ARM: DRA7: hwmod: Add OCP2SCP3 module
This module is needed for the SATA and PCIe PHYs.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-22 14:35:05 -06:00
Nishanth Menon
2aa7f52b53 ARM: DRA7: hwmod: remove interrupts for DMA
DMA interrupts are now available in of, and the definitions are
duplicates in hwmod. This prevents us from dynamically allocating
interrupt resources for dma from devicetree.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-21 23:32:51 -07:00
Nishanth Menon
76be4a5415 ARM: OMAP2+: DMA: remove requirement of irq for platform-dma driver
we have currently 2 DMA drivers that try to co-exist.
drivers/dma/omap-dma.c which registers it's own IRQ and is device tree
aware and uses arch/arm/plat-omap/dma.c instance created by
arch/arm/mach-omap2/dma.c to maintain channel usage (omap_request_dma).

Currently both try to register interrupts and mach-omap2/plat-omap dma.c
attempts to use the IRQ number registered by hwmod to register it's own
interrupt handler.

Now, there is no reasonable way of static allocating DMA irq in GIC
SPI when we use crossbar. However, since the dma_chan structure is
freed as a result of IRQ not being present due to devm allocation,
maintaining information of channel by platform code fails at a later
point in time when that region of memory is reused.

So, if hwmod does not indicate an IRQ number, then, assume that
dma-engine will take care of the interrupt handling.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-21 23:32:51 -07:00
Olof Johansson
9db58cc9f3 SoC specific omap clean-up for v3.17 merge window:
- Changes to PRM and clock related code to help move
   things to drivers
 
 - Removal of unused ctrl module defines that no longer
   are needed with things moving to .dts files and
   drivers
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Merge tag 'omap-for-v3.17/soc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Merge "omap soc clean-up for v3.17 merge window" from Tony Lindgren:

SoC specific omap clean-up for v3.17 merge window:
 - Changes to PRM and clock related code to help move
   things to drivers
 - Removal of unused ctrl module defines that no longer
   are needed with things moving to .dts files and
   drivers

* tag 'omap-for-v3.17/soc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (23 commits)
  ARM: OMAP2+: clock/interface: remove some headers from clkt_iclk.c file
  ARM: OMAP2+: clock/dpll: remove unused header includes from dpll3xxx.c
  ARM: OMAP2+: clock/dpll: remove unused header includes from clkt_dpll.c
  ARM: OMAP2+: clock/interface: add a clk_features definition for idlest value
  ARM: OMAP2+: clock/dpll: add jitter correction behind clk_features
  ARM: OMAP2+: clock/dpll: convert bypass check to use clk_features
  ARM: OMAP2+: clock/dpll: add private API for checking if DPLL is in bypass
  ARM: OMAP2+: clock: add fint values to the ti_clk_features struct
  ARM: OMAP2+: clock: introduce ti_clk_features flags
  ARM: OMAP4+: dpll44xx: remove cm-regbits-44xx.h and clock44xx.h includes
  ARM: OMAP4+: dpll: remove cpu_is_omap44xx checks
  ARM: OMAP4+: clock: remove DEFINE_CLK_OMAP_HSDIVIDER macro
  ARM: OMAP4: Ctrl module register define diet
  ARM: OMAP3: control: isolate control module init to its own function
  ARM: OMAP3: PRM: move modem reset and iva2 idle to PRM driver
  ARM: OMAP3: control: add API for setting up the modem pads
  ARM: OMAP3: PRM: move PRM init code from PM core to the driver
  ARM: OMAP24xx: PRM: add API for clearing wakeup status bits
  ARM: OMAP3: PRM: add API for saving PRM scratchpad contents
  ARM: OMAP3: PRM: add API for checking and clearing cold reset status
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-21 10:49:46 -07:00
Tony Lindgren
3db53918e3 An OMAP clock cleanup series for 3.17 from Tero Kristo.
This is in preparation for moving this code into drivers/clk/ti.
 
 Basic build, boot, and PM test logs are here:
 
 http://www.pwsan.com/omap/testlogs/clock-a-v3.17/20140717034329/
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Merge tag 'for-v3.17/omap-clock-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.17/soc

An OMAP clock cleanup series for 3.17 from Tero Kristo.
This is in preparation for moving this code into drivers/clk/ti.

Basic build, boot, and PM test logs are here:

http://www.pwsan.com/omap/testlogs/clock-a-v3.17/20140717034329/
2014-07-21 00:35:38 -07:00
Olof Johansson
730346236a arm: Xilinx Zynq dt patches for v3.17
- Document and use new cadence serial binding
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Merge tag 'zynq-dt-for-3.17' of git://git.xilinx.com/linux-xlnx into next/dt

Merge "Xilinx Zynq changes for v3.17" from Michal Simek:

arm: Xilinx Zynq dt patches for v3.17

- Document and use new cadence serial binding

* tag 'zynq-dt-for-3.17' of git://git.xilinx.com/linux-xlnx:
  ARM: zynq: DT: Migrate UART to Cadence binding
  tty: cadence: Document DT binding
  + Linux 3.16-rc5

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-19 12:16:34 -07:00
Olof Johansson
412a9bbd12 First set of .dts changes for omaps for v3.17 merge
window:
 
 - Enable irqchip crossbar interrupt mapping. These changes
   are based on an immutable irqchip branch set up by Jason
   Cooper to make it easier to merge the related .dts changes.
 
 - Removal of omap2 related static clock data that now comes
   from device tree.
 
 - Enabling of PHY regulators for various omaps
 
 - Enabling of PCIe for dra7
 
 - Add support for am437x starterkit
 
 - Enable audio for for omap5
 
 - Enable display and am335x-evmsk
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Merge tag 'omap-for-v3.17/dt-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Merge "omap dts changes for v3.17 merge window, part1" from Tony Lindgren:

First set of .dts changes for omaps for v3.17 merge window:

- Enable irqchip crossbar interrupt mapping. These changes
  are based on an immutable irqchip branch set up by Jason
  Cooper to make it easier to merge the related .dts changes.

- Removal of omap2 related static clock data that now comes
  from device tree.

- Enabling of PHY regulators for various omaps

- Enabling of PCIe for dra7

- Add support for am437x starterkit

- Enable audio for for omap5

- Enable display and am335x-evmsk

* tag 'omap-for-v3.17/dt-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (43 commits)
  ARM: DTS: omap5-uevm: Enable basic audio (McPDM <-> twl6040)
  ARM: DTS: omap5-uevm: Add node for twl6040 audio codec
  ARM: DTS: omap5-uevm: Enable palmas clk32kgaudio clock
  ARM: dts: dra7: Add dt data for PCIe controller
  ARM: dts: dra7: Add dt data for PCIe PHY
  ARM: dts: dra7: Add dt data for PCIe PHY control module
  ARM: dts: dra7xx-clocks: Add missing clocks for second PCIe PHY instance
  ARM: dts: dra7xx-clocks: rename pcie clocks to accommodate second PHY instance
  ARM: dts: dra7xx-clocks: Add missing 32KHz clocks used for PHY
  ARM: dts: dra7xx-clocks: Change the parent of apll_pcie_in_clk_mux to dpll_pcie_ref_m2ldo_ck
  ARM: dts: dra7xx-clocks: Add divider table to optfclk_pciephy_div clock
  ARM: dts: dra7-evm: Add regulator information to USB2 PHYs
  ARM: omap2plus_defconfig: enable TPS65218 configs
  ARM: dts: AM437x: Add TPS65218 device tree nodes
  ARM: dts: AM437x: Fix i2c nodes indentation
  ARM: dts: AM43x: Add TPS65218 device tree nodes
  ARM: dts: Add devicetree for Gumstix Pepper board
  ARM: dts: dra7: add crossbar device binding
  ARM: dts: dra7: add routable-irqs property for gic node
  ARM: OMAP24xx: clock: remove legacy clock data
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-18 22:16:48 -07:00
Russell King
6ebbf2ce43 ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
ARMv6 and greater introduced a new instruction ("bx") which can be used
to return from function calls.  Recent CPUs perform better when the
"bx lr" instruction is used rather than the "mov pc, lr" instruction,
and this sequence is strongly recommended to be used by the ARM
architecture manual (section A.4.1.1).

We provide a new macro "ret" with all its variants for the condition
code which will resolve to the appropriate instruction.

Rather than doing this piecemeal, and miss some instances, change all
the "mov pc" instances to use the new macro, with the exception of
the "movs" instruction and the kprobes code.  This allows us to detect
the "mov pc, lr" case and fix it up - and also gives us the possibility
of deploying this for other registers depending on the CPU selection.

Reported-by: Will Deacon <will.deacon@arm.com>
Tested-by: Stephen Warren <swarren@nvidia.com> # Tegra Jetson TK1
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> # mioa701_bootresume.S
Tested-by: Andrew Lunn <andrew@lunn.ch> # Kirkwood
Tested-by: Shawn Guo <shawn.guo@freescale.com>
Tested-by: Tony Lindgren <tony@atomide.com> # OMAPs
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com> # Armada XP, 375, 385
Acked-by: Sekhar Nori <nsekhar@ti.com> # DaVinci
Acked-by: Christoffer Dall <christoffer.dall@linaro.org> # kvm/hyp
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> # PXA3xx
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> # Xen
Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> # ARMv7M
Tested-by: Simon Horman <horms+renesas@verge.net.au> # Shmobile
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-07-18 12:29:04 +01:00
Kristina Martšenko
f65f6455fc ARM: OMAP2+: remove DSP platform device
It was added to support DSP Bridge. Since DSP Bridge was removed, and
nothing else is using the platform device, remove it too.

Signed-off-by: Kristina Martšenko <kristina.martsenko@gmail.com>
Cc: Omar Ramirez Luna <omar.ramirez@copitl.com>
Cc: Suman Anna <s-anna@ti.com>
Cc: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-15 21:01:05 -07:00
Tero Kristo
acd052bb81 ARM: OMAP2+: clock/interface: remove some headers from clkt_iclk.c file
Instead, copy the used constants from the header file to the source file.
This allows the code to be migrated under drivers folder where we don't
have access to the OMAP specific header files.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:24 -06:00
Tero Kristo
9ac77edacd ARM: OMAP2+: clock/dpll: remove unused header includes from dpll3xxx.c
Some of the machine specific header includes are no longer used, so remove
these from the source file. This allows migration of the file under clock
driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:20 -06:00
Tero Kristo
b166730c4a ARM: OMAP2+: clock/dpll: remove unused header includes from clkt_dpll.c
Some of the machine specific header includes are no longer used, so remove
these from the source file. This allows migration of the file under clock
driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:17 -06:00
Tero Kristo
066edb2d57 ARM: OMAP2+: clock/interface: add a clk_features definition for idlest value
Helps to get rid of some runtime cpu_is_x checks. This also allows eventual
migration of the code under clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:09:13 -06:00