Commit graph

615 commits

Author SHA1 Message Date
Geert Uytterhoeven
1b954784e0 soc: renesas: Identify R-Car D3
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-07-27 17:06:24 +02:00
Geert Uytterhoeven
fe89168c40 soc: zte: Restrict SOC_ZTE to ARCH_ZX or COMPILE_TEST
The ZTE SoC drivers are only useful when building for a ZTE ZX platform.

Fixes: 4c2c2e3971 ("soc: zte: pm_domains: Prepare for supporting ARMv8 zx2967 family")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-07-27 13:12:34 +02:00
Rob Herring
e83a719811 soc: samsung: Use kbasename instead of open coding
In preparation to not store the full path of nodes in full_name, use
kbasename instead as it will work either with the full path or not.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-07-24 06:47:50 +02:00
Elaine Zhang
bd85f4b769 soc: rockchip: power-domain: add power domain support for rk3366
This driver is modified to support RK3366 SoC.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2017-07-20 22:42:19 +02:00
Shawn Lin
887758c325 soc: rockchip: disable jtag switching for RK3328 Soc
Disable IO function switching between sdmmc and jtag
for RK3328 Soc.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2017-07-16 17:08:12 +02:00
Linus Torvalds
e854711291 ARM: SoC driver updates
- New SoC specific drivers
   - NVIDIA Tegra PM Domain support for newer SoCs (Tegra186 and later)
     based on the "BPMP" firmware
   - Clocksource and system controller drivers for the newly added
     Action Semi platforms (both arm and arm64).
 
 - Reset subsystem, merged through arm-soc by tradition:
   - New drivers for Altera Stratix10, TI Keystone and Cortina Gemini SoCs
   - Various subsystem-wide cleanups
 
 - Updates for existing SoC-specific drivers
   - TI GPMC (General Purpose Memory Controller)
   - Mediatek "scpsys" system controller support for MT6797
   - Broadcom "brcmstb_gisb" bus arbitrer
   - ARM SCPI firmware
   - Renesas "SYSC" system controller
 
 One more driver update was submitted for the Freescale/NXP DPAA
 data path acceleration that has previously been used on PowerPC
 chips. I ended up postponing the merge until some API questions
 for its unusual MMIO access are resolved.
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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:
 "New SoC specific drivers:

   - NVIDIA Tegra PM Domain support for newer SoCs (Tegra186 and later)
     based on the "BPMP" firmware

   - Clocksource and system controller drivers for the newly added
     Action Semi platforms (both arm and arm64).

  Reset subsystem, merged through arm-soc by tradition:

   - New drivers for Altera Stratix10, TI Keystone and Cortina Gemini
     SoCs

   - Various subsystem-wide cleanups

  Updates for existing SoC-specific drivers

   - TI GPMC (General Purpose Memory Controller)

   - Mediatek "scpsys" system controller support for MT6797

   - Broadcom "brcmstb_gisb" bus arbitrer

   - ARM SCPI firmware

   - Renesas "SYSC" system controller

  One more driver update was submitted for the Freescale/NXP DPAA data
  path acceleration that has previously been used on PowerPC chips. I
  ended up postponing the merge until some API questions for its unusual
  MMIO access are resolved"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (35 commits)
  clocksource: owl: Add S900 support
  clocksource: Add Owl timer
  soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON
  firmware: tegra: Fix locking bugs in BPMP
  soc/tegra: flowctrl: Fix error handling
  soc/tegra: bpmp: Implement generic PM domains
  soc/tegra: bpmp: Update ABI header
  PM / Domains: Allow overriding the ->xlate() callback
  soc: brcmstb: enable drivers for ARM64 and BMIPS
  soc: renesas: Rework Kconfig and Makefile logic
  reset: Add the TI SCI reset driver
  dt-bindings: reset: Add TI SCI reset binding
  reset: use kref for reference counting
  soc: qcom: smsm: Improve error handling, quiesce probe deferral
  cpufreq: scpi: use new scpi_ops functions to remove duplicate code
  firmware: arm_scpi: add support to populate OPPs and get transition latency
  dt-bindings: reset: Add reset manager offsets for Stratix10
  memory: omap-gpmc: add error message if bank-width property is absent
  memory: omap-gpmc: make dts snippet include semicolon
  reset: Add a Gemini reset controller
  ...
2017-07-04 14:47:47 -07:00
Arnd Bergmann
ffe3744a59 Actions Semi SoC drivers for 4.13
This adds clock source and power domain drivers for S500/S900.
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Merge tag 'actions-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/drivers

Pull "Actions Semi SoC drivers for 4.13" from Andreas Färber:

This adds clock source and power domain drivers for S500/S900.

* tag 'actions-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
  soc: actions: Add Owl SPS
  dt-bindings: power: Add Owl SPS power domains
  clocksource: owl: Add S900 support
  clocksource: Add Owl timer
2017-06-29 17:34:57 +02:00
Arnd Bergmann
c070d6ba25 Actions Semi ARM SoC for v4.13 #2
This adds SMP code to bring up the remaining S500 CPU cores
 by reusing a helper factored out of the SPS power domains driver.
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Merge tag 'actions-arm-soc+sps-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/soc

Pull "Actions Semi ARM SoC for v4.13 #2" from Andreas Färber:

This adds SMP code to bring up the remaining S500 CPU cores
by reusing a helper factored out of the SPS power domains driver.

* tag 'actions-arm-soc+sps-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  ARM: owl: smp: Implement SPS power-gating for CPU2 and CPU3
  soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
  soc: actions: Add Owl SPS
  dt-bindings: power: Add Owl SPS power domains
2017-06-29 17:33:41 +02:00
Andreas Färber
6932ec60cc soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
Allow the SMP code to reuse PM domain code for CPU2/CPU3 wakeup.

Signed-off-by: Andreas Färber <afaerber@suse.de>
2017-06-23 17:43:27 +02:00
Andreas Färber
aa9f800ded soc: actions: Add Owl SPS
Implement S500 Smart Power System power-gating.
For now flag PD_CPU2 and PD_CPU3 as always-on.

Based on LeMaker linux-actions tree.

Signed-off-by: Andreas Färber <afaerber@suse.de>
2017-06-23 17:42:54 +02:00
Arnd Bergmann
4312fc34f6 Qualcomm ARM Based Driver Updates for v4.13
* Improve QCOM SMSM error handling
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Merge tag 'qcom-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.13" from Andy Gross:

* Improve QCOM SMSM error handling

* tag 'qcom-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: smsm: Improve error handling, quiesce probe deferral
2017-06-23 13:45:19 +02:00
Olof Johansson
2f1b526e83 The i.MX drivers update for 4.13:
- Add CONFIG_HAVE_IMX_GPC to control the build of GPC driver, so that
    it doesn't build for platforms that do not have it.
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Merge tag 'imx-drivers-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

The i.MX drivers update for 4.13:
 - Add CONFIG_HAVE_IMX_GPC to control the build of GPC driver, so that
   it doesn't build for platforms that do not have it.

* tag 'imx-drivers-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: build gpc only if hardware has gpc

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 23:05:10 -07:00
Olof Johansson
5a55029f46 SoC for 4.13:
- New suspend/resume mode for sama5d2
  - Initial support for armv7m based SoCs
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Merge tag 'at91-ab-4.13-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/soc

SoC for 4.13:

 - New suspend/resume mode for sama5d2
 - Initial support for armv7m based SoCs

* tag 'at91-ab-4.13-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  ARM: at91: remove atmel_nand_data
  ARM: at91: fix at91_suspend_entering_slow_clock link error
  ARM: at91: debug: add samv7x support
  ARM: at91: add armv7m SoC detection
  ARM: at91: handle CONFIG_PM for armv7m configurations
  ARM: at91: Add armv7m support
  ARM: at91: Document armv7m compatibles
  ARM: at91: Documentation: add armv7m families
  ARM: at91: pm: fallback to slowclock when backup mode fails
  ARM: at91: pm: allow selecting standby and suspend modes
  ARM: at91: pm: Add sama5d2 backup mode

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 22:53:20 -07:00
Olof Johansson
a32e6a353d Renesas ARM Based SoC R-Car SYSC Updates for v4.13
Use GENPD_FLAG_ALWAYS_ON in R-Car SYSC driver
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Merge tag 'renesas-rcar-sysc-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC R-Car SYSC Updates for v4.13

Use GENPD_FLAG_ALWAYS_ON in R-Car SYSC driver

* tag 'renesas-rcar-sysc-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 22:51:43 -07:00
Olof Johansson
8c5c250670 Renesas ARM Based SoC Drivers Updates for v4.13
* Rework Kconfig and Makefile logic
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Merge tag 'renesas-drivers-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC Drivers Updates for v4.13

* Rework Kconfig and Makefile logic

* tag 'renesas-drivers-for-v4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: Rework Kconfig and Makefile logic

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 22:45:08 -07:00
Olof Johansson
f39b24e0b4 soc/tegra: Changes for v4.13-rc1
This contains an implementation of generic PM domains for Tegra186,
 based on the BPMP powergate request.
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Merge tag 'tegra-for-4.13-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc/tegra: Changes for v4.13-rc1

This contains an implementation of generic PM domains for Tegra186,
based on the BPMP powergate request.

* tag 'tegra-for-4.13-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: flowctrl: Fix error handling
  soc/tegra: bpmp: Implement generic PM domains
  soc/tegra: bpmp: Update ABI header
  PM / Domains: Allow overriding the ->xlate() callback

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 21:01:02 -07:00
Olof Johansson
8c2f8a2fb1 This pull request contains Broadcom ARM/ARM64 SoCs specific driver changes for
4.13, please pull the following:
 
 - Doug adds support for the latest generation GISB bus arbiter (v7), he starts by
   fixing two issues in how registers are written, and how 64-bit addresses are captured
   and then he simplifies the error interception by using notifiers, which allows him
   to add support for ARM64
 
 - Markus updates the SOC_BRCMSTB Kconfig depends to cover ARM64 and BMIPS_GENERIC
   systems where this code is now also used
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Merge tag 'arm-soc/for-4.13/drivers' of http://github.com/Broadcom/stblinux into next/drivers

This pull request contains Broadcom ARM/ARM64 SoCs specific driver changes for
4.13, please pull the following:

- Doug adds support for the latest generation GISB bus arbiter (v7), he starts by
  fixing two issues in how registers are written, and how 64-bit addresses are captured
  and then he simplifies the error interception by using notifiers, which allows him
  to add support for ARM64

- Markus updates the SOC_BRCMSTB Kconfig depends to cover ARM64 and BMIPS_GENERIC
  systems where this code is now also used

* tag 'arm-soc/for-4.13/drivers' of http://github.com/Broadcom/stblinux:
  soc: brcmstb: enable drivers for ARM64 and BMIPS
  bus: brcmstb_gisb: update to support new revision
  bus: brcmstb_gisb: enable driver for ARM64 architecture
  bus: brcmstb_gisb: remove low-level ARM hooks
  bus: brcmstb_gisb: add notifier handling
  bus: brcmstb_gisb: correct support for 64-bit address output
  bus: brcmstb_gisb: Use register offsets with writes too

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 20:30:52 -07:00
Olof Johansson
7a699a85e1 - enhance scpsys to support mt6797
- add mt6797 support to scpsys
 - fix error path in pmic-wrapper
 - fix possible NULL pointer dereference in pmic-wrapper
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Merge tag 'v4.12-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

- enhance scpsys to support mt6797
- add mt6797 support to scpsys
- fix error path in pmic-wrapper
- fix possible NULL pointer dereference in pmic-wrapper

* tag 'v4.12-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: PMIC wrap: Fix possible NULL derefrence.
  soc: mediatek: PMIC wrap: Fix error handling
  soc: mediatek: add MT6797 scpsys support
  soc: mediatek: add vdec item for scpsys
  soc: mediatek: avoid using fixed spm power status defines

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 19:35:48 -07:00
Geert Uytterhoeven
980532a5dd soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON
Improve handling of always-on PM domains by using the
GENPD_FLAG_ALWAYS_ON flag introduced in commit ffaa42e8a4 ("PM /
Domains: Enable users of genpd to specify always on PM domains").

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-15 21:10:41 +02:00
Christophe Jaillet
da1dbec1be soc/tegra: flowctrl: Fix error handling
It is likely that returning returned by 'devm_ioremap_resource()' is
expected here instead of something related to 'base' which should be a
valid pointer at this point.

Fixes: 841fd94c43 ("soc/tegra: flowctrl: Add basic platform driver")

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-06-13 16:47:44 +02:00
Thierry Reding
e7149a7a3f soc/tegra: bpmp: Implement generic PM domains
The BPMP firmware, found on Tegra186 and later, provides an ABI that can
be used to enable and disable power to several power partitions in Tegra
SoCs. The ABI allows for enumeration of the available power partitions,
so the driver can be reused on future generations, provided the BPMP ABI
remains stable.

Based on work by Stefan Kristiansson <stefank@nvidia.com> and Mikko
Perttunen <mperttunen@nvidia.com>.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-06-13 15:23:29 +02:00
Markus Mayer
1f6ab20f55 soc: brcmstb: enable drivers for ARM64 and BMIPS
We enable the BRCMSTB SoC drivers not only for ARM, but also ARM64 and
BMIPS.

Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-06-12 10:25:16 -07:00
Geert Uytterhoeven
8be381a131 soc: renesas: Rework Kconfig and Makefile logic
The goals are to:
  - Allow precise control over and automatic selection of which
    (sub)drivers are used for which SoC,
  - Allow adding support for new SoCs easily,
  - Allow compile-testing of all (sub)drivers,
  - Keep driver selection logic in the subsystem-specific Kconfig,
    independent from the architecture-specific Kconfig (i.e. no "select"
    from arch/arm64/Kconfig.platforms), to avoid dependencies.

This is implemented by:
  - Introducing Kconfig symbols for all drivers and sub-drivers,
  - Introducing the Kconfig symbol SOC_RENESAS, which is enabled
    automatically when building for a Renesas ARM platform, and which
    enables all required drivers without interaction of the user, based
    on SoC-specific ARCH_* symbols,
  - Allowing the user to enable any Kconfig symbol manually if
    COMPILE_TEST is enabled,
  - Using the new Kconfig symbols instead of the ARCH_* symbols to
    control compilation in the Makefile,
  - Always entering drivers/soc/renesas/ during the build.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12 11:31:07 +02:00
Jonathan Neuschäfer
35dfa3efea soc: qcom: smsm: Improve error handling, quiesce probe deferral
Don't use size if info indicates an error condition. Previously a
non-ENOENT error (such as -EPROBE_DEFER) would lead to size being used
even though it hadn't necessarily been initialized in qcom_smem_get.

Don't print an error message in the -EPROBE_DEFER case.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-06-05 21:50:44 -05:00
Szemző András
82208e7568 ARM: at91: add armv7m SoC detection
Add SAME70/V71/S70/V70 chip-ids to SoC detection.

Signed-off-by: Szemző András <sza@esh.hu>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-06-02 10:11:49 +02:00
Linus Torvalds
f538a82c07 ARM: SoC fixes (and a cross-arch dt-include fix)
We had a small batch of fixes before -rc1, but here is a larger one. It
 contains a backmerge of 4.12-rc1 since some of the downstream branches we
 merge had that as base; at the same time we already had merged contents
 before -rc1 and rebase wasn't the right solution.
 
 A mix of random smaller fixes and a few things worth pointing out:
 
  - We've started telling people to avoid cross-tree shared branches if all
    they're doing is picking up one or two DT-used constants from a
    shared include file, and instead to use the numeric values on first
    submission. Follow-up moving over to symbolic names are sent in right
    after -rc1, i.e. here. It's only a few minor patches of this type.
 
  - Linus Walleij and others are resurrecting the 'Gemini' platform, and
    wanted a cut-down platform-specific defconfig for it. So I picked that
    up for them.
 
  - Rob Herring ran 'savedefconfig' on arm64, it's a bit churny but it helps
    people to prepare patches since it's a pain when defconfig and current
    savedefconfig contents differs too much.
 
  - Devicetree additions for some pinctrl drivers for Armada that were
    merged this window. I'd have preferred to see those earlier but it's not
    a huge deail.
 
 The biggest change worth pointing out though since it's touching other
 parts of the tree: We added prefixes to be used when cross-including
 DT contents between arm64 and arm, allowing someone to #include
 <arm/foo.dtsi> from arm64, and likewise. As part of that, we needed
 arm/foo.dtsi to work on arm as well. The way I suggested this to Heiko
 resulted in a recursive symlink.
 
 Instead, I've now moved it out of arch/*/boot/dts/include, into a shared
 location under scripts/dtc. While I was at it, I consolidated so all
 architectures now behave the same way in this manner.
 
 Rob Herring (DT maintainer) has acked it. I cc:d most other arch
 maintainers but nobody seems to care much; it doesn't really affect them
 since functionality is unchanged for them by default.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "We had a small batch of fixes before -rc1, but here is a larger one.
  It contains a backmerge of 4.12-rc1 since some of the downstream
  branches we merge had that as base; at the same time we already had
  merged contents before -rc1 and rebase wasn't the right solution.

  A mix of random smaller fixes and a few things worth pointing out:

   - We've started telling people to avoid cross-tree shared branches if
     all they're doing is picking up one or two DT-used constants from a
     shared include file, and instead to use the numeric values on first
     submission. Follow-up moving over to symbolic names are sent in
     right after -rc1, i.e. here. It's only a few minor patches of this
     type.

   - Linus Walleij and others are resurrecting the 'Gemini' platform,
     and wanted a cut-down platform-specific defconfig for it. So I
     picked that up for them.

   - Rob Herring ran 'savedefconfig' on arm64, it's a bit churny but it
     helps people to prepare patches since it's a pain when defconfig
     and current savedefconfig contents differs too much.

   - Devicetree additions for some pinctrl drivers for Armada that were
     merged this window. I'd have preferred to see those earlier but
     it's not a huge deail.

  The biggest change worth pointing out though since it's touching other
  parts of the tree: We added prefixes to be used when cross-including
  DT contents between arm64 and arm, allowing someone to #include
  <arm/foo.dtsi> from arm64, and likewise. As part of that, we needed
  arm/foo.dtsi to work on arm as well. The way I suggested this to Heiko
  resulted in a recursive symlink.

  Instead, I've now moved it out of arch/*/boot/dts/include, into a
  shared location under scripts/dtc. While I was at it, I consolidated
  so all architectures now behave the same way in this manner.

  Rob Herring (DT maintainer) has acked it. I cc:d most other arch
  maintainers but nobody seems to care much; it doesn't really affect
  them since functionality is unchanged for them by default"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  arm64: dts: rockchip: fix include reference
  firmware: ti_sci: fix strncat length check
  ARM: remove duplicate 'const' annotations'
  arm64: defconfig: enable options needed for QCom DB410c board
  arm64: defconfig: sync with savedefconfig
  ARM: configs: add a gemini defconfig
  devicetree: Move include prefixes from arch to separate directory
  ARM: dts: dra7: Reduce cpu thermal shutdown temperature
  memory: omap-gpmc: Fix debug output for access width
  ARM: dts: LogicPD Torpedo: Fix camera pin mux
  ARM: dts: omap4: enable CEC pin for Pandaboard A4 and ES
  ARM: dts: gta04: fix polarity of clocks for mcbsp4
  ARM: dts: dra7: Add power hold and power controller properties to palmas
  soc: imx: add PM dependency for IMX7_PM_DOMAINS
  ARM: dts: imx6sx-sdb: Remove OPP override
  ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin
  soc: bcm: brcmstb: Correctly match 7435 SoC
  tee: add ARM_SMCCC dependency
  ARM: omap2+: make omap4_get_cpu1_ns_pa_addr declaration usable
  ARM64: dts: mediatek: configure some fixed mmc parameters
  ...
2017-05-19 13:36:56 -07:00
Olof Johansson
6a3538c174 i.MX fixes for 4.12:
- A fix on GPCv2 power domain driver Kconfig which causes a build
    failure when CONFIG_PM is not set.
  - Pull down PMIC IRQ pin for imx53-qsrb board to prevent spurious
    PMIC interrupts from happening.
  - Remove board level OPP override for imx6sx-sdb to fix a boot crash
    seen on Rev.C boards.
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Merge tag 'imx-fixes-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

i.MX fixes for 4.12:
 - A fix on GPCv2 power domain driver Kconfig which causes a build
   failure when CONFIG_PM is not set.
 - Pull down PMIC IRQ pin for imx53-qsrb board to prevent spurious
   PMIC interrupts from happening.
 - Remove board level OPP override for imx6sx-sdb to fix a boot crash
   seen on Rev.C boards.

* tag 'imx-fixes-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: add PM dependency for IMX7_PM_DOMAINS
  ARM: dts: imx6sx-sdb: Remove OPP override
  ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-05-19 00:02:04 -07:00
Linus Torvalds
a95cfad947 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Track alignment in BPF verifier so that legitimate programs won't be
    rejected on !CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS architectures.

 2) Make tail calls work properly in arm64 BPF JIT, from Deniel
    Borkmann.

 3) Make the configuration and semantics Generic XDP make more sense and
    don't allow both generic XDP and a driver specific instance to be
    active at the same time. Also from Daniel.

 4) Don't crash on resume in xen-netfront, from Vitaly Kuznetsov.

 5) Fix use-after-free in VRF driver, from Gao Feng.

 6) Use netdev_alloc_skb_ip_align() to avoid unaligned IP headers in
    qca_spi driver, from Stefan Wahren.

 7) Always run cleanup routines in BPF samples when we get SIGTERM, from
    Andy Gospodarek.

 8) The mdio phy code should bring PHYs out of reset using the shared
    GPIO lines before invoking bus->reset(). From Florian Fainelli.

 9) Some USB descriptor access endian fixes in various drivers from
    Johan Hovold.

10) Handle PAUSE advertisements properly in mlx5 driver, from Gal
    Pressman.

11) Fix reversed test in mlx5e_setup_tc(), from Saeed Mahameed.

12) Cure netdev leak in AF_PACKET when using timestamping via control
    messages. From Douglas Caetano dos Santos.

13) netcp doesn't support HWTSTAMP_FILTER_ALl, reject it. From Miroslav
    Lichvar.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (52 commits)
  ldmvsw: stop the clean timer at beginning of remove
  ldmvsw: unregistering netdev before disable hardware
  net: netcp: fix check of requested timestamping filter
  ipv6: avoid dad-failures for addresses with NODAD
  qed: Fix uninitialized data in aRFS infrastructure
  mdio: mux: fix device_node_continue.cocci warnings
  net/packet: fix missing net_device reference release
  net/mlx4_core: Use min3 to select number of MSI-X vectors
  macvlan: Fix performance issues with vlan tagged packets
  net: stmmac: use correct pointer when printing normal descriptor ring
  net/mlx5: Use underlay QPN from the root name space
  net/mlx5e: IPoIB, Only support regular RQ for now
  net/mlx5e: Fix setup TC ndo
  net/mlx5e: Fix ethtool pause support and advertise reporting
  net/mlx5e: Use the correct pause values for ethtool advertising
  vmxnet3: ensure that adapter is in proper state during force_close
  sfc: revert changes to NIC revision numbers
  net: ch9200: add missing USB-descriptor endianness conversions
  net: irda: irda-usb: fix firmware name on big-endian hosts
  net: dsa: mv88e6xxx: add default case to switch
  ...
2017-05-15 15:50:49 -07:00
shailendra.v@samsung.com
58a823dd7b soc: mediatek: PMIC wrap: Fix possible NULL derefrence.
of_match_device could return NULL, and so can cause a NULL
pointer dereference later.

Signed-off-by: Shailendra Verma <shailendra.v@samsung.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:25 +02:00
Christophe Jaillet
f282693f80 soc: mediatek: PMIC wrap: Fix error handling
According to error handling in this function, it is likely that going to
'err_out2' was expected here.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:25 +02:00
Mars Cheng
36c310f55b soc: mediatek: add MT6797 scpsys support
This adds scpsys support for MT6797

Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Kevin-CW Chen <kevin-cw.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:25 +02:00
Mars Cheng
a3acbbf455 soc: mediatek: add vdec item for scpsys
for some chips, there is vdec item in scpsys, this patch adds it.

Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:24 +02:00
Mars Cheng
f1be4c4e6c soc: mediatek: avoid using fixed spm power status defines
Use variables to replace fixed defines since the offset
of the status of spm power might be different for some chips

Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
Signed-off-by: Kevin-CW Chen <kevin-cw.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-05-15 10:47:24 +02:00
Marc Ohlf
c465a32fdd soc: imx: gpc: build gpc only if hardware has gpc
Add CONFIG_HAVE_IMX_GPC to goal definition of gpc.o,
to avoid building it for hardware that does not need it.

Signed-off-by: Marc Ohlf <ohlf@mkt-sys.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-05-15 10:22:25 +08:00
Arnd Bergmann
e23c7f7d57 soc: imx: add PM dependency for IMX7_PM_DOMAINS
The new pm domain driver causes a build failure when CONFIG_PM
is not set:

warning: (IMX7_PM_DOMAINS) selects PM_GENERIC_DOMAINS which has unmet direct dependencies (PM)
drivers/base/power/domain_governor.c: In function 'default_suspend_ok':
drivers/base/power/domain_governor.c:75:17: error: 'struct dev_pm_info' has no member named 'ignore_children'

This adds a dependency to ensure that we don't attempt to build the
driver without CONFIG_PM.

Fixes: 03aa12629f ("soc: imx: Add GPCv2 power gating driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-05-15 09:33:22 +08:00
Florian Fainelli
31d848aa1d soc: bcm: brcmstb: Correctly match 7435 SoC
Remove the duplicate brcm,bcm7425-sun-top-ctrl compatible string and
replace it with brcm,bcm7435-sun-top-ctrl which was intended.

Fixes: bd0faf08dc ("soc: bcm: brcmstb: Match additional compatible strings")
Reported-by: Andreas Oberritter <obi@saftware.de>
Acked-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-05-13 20:27:33 -07:00
Linus Torvalds
dc2a248166 powerpc updates for 4.12 part 2
Highlights include:
 
  - rework the Linux page table geometry to lower memory usage on 64-bit Book3S
    (IBM chips) using the Hash MMU.
 
  - support for a new device tree binding for discovering CPU features on future
    firmwares.
 
  - Freescale updates from Scott: "Includes a fix for a powerpc/next mm regression
    on 64e, a fix for a kernel hang on 64e when using a debugger inside a
    relocated kernel, a qman fix, and misc qe improvements."
 
 Thanks to:
   Christophe Leroy, Gavin Shan, Horia Geantă, LiuHailong, Nicholas Piggin, Roy
   Pledge, Scott Wood, Valentin Longchamp.
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Merge tag 'powerpc-4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull more powerpc updates from Michael Ellerman:
 "The change to the Linux page table geometry was delayed for more
  testing with 16G pages, and there's the new CPU features stuff which
  just needed one more polish before going in. Plus a few changes from
  Scott which came in a bit late. And then various fixes, mostly minor.

  Summary highlights:

   - rework the Linux page table geometry to lower memory usage on
     64-bit Book3S (IBM chips) using the Hash MMU.

   - support for a new device tree binding for discovering CPU features
     on future firmwares.

   - Freescale updates from Scott:
      "Includes a fix for a powerpc/next mm regression on 64e, a fix for
       a kernel hang on 64e when using a debugger inside a relocated
       kernel, a qman fix, and misc qe improvements."

  Thanks to: Christophe Leroy, Gavin Shan, Horia Geantă, LiuHailong,
  Nicholas Piggin, Roy Pledge, Scott Wood, Valentin Longchamp"

* tag 'powerpc-4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s: Support new device tree binding for discovering CPU features
  powerpc: Don't print cpu_spec->cpu_name if it's NULL
  of/fdt: introduce of_scan_flat_dt_subnodes and of_get_flat_dt_phandle
  powerpc/64s: Fix unnecessary machine check handler relocation branch
  powerpc/mm/book3s/64: Rework page table geometry for lower memory usage
  powerpc: Fix distclean with Makefile.postlink
  powerpc/64e: Don't place the stack beyond TASK_SIZE
  powerpc/powernv: Block PCI config access on BCM5718 during EEH recovery
  powerpc/8xx: Adding support of IRQ in MPC8xx GPIO
  soc/fsl/qbman: Disable IRQs for deferred QBMan work
  soc/fsl/qe: add EXPORT_SYMBOL for the 2 qe_tdm functions
  soc/fsl/qe: only apply QE_General4 workaround on affected SoCs
  soc/fsl/qe: round brg_freq to 1kHz granularity
  soc/fsl/qe: get rid of immrbar_virt_to_phys()
  net: ethernet: ucc_geth: fix MEM_PART_MURAM mode
  powerpc/64e: Fix hang when debugging programs with relocated kernel
2017-05-12 10:04:09 -07:00
Ivan Khoronzhuk
5b6cb43b4d net: ethernet: ti: netcp_core: return error while dma channel open issue
Fix error path while dma open channel issue. Also, no need to check output
on NULL if it's never returned.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-11 12:39:34 -04:00
Linus Torvalds
28b47809b2 IOMMU Updates for Linux v4.12
This includes:
 
 	* Some code optimizations for the Intel VT-d driver
 
 	* Code to switch off a previously enabled Intel IOMMU
 
 	* Support for 'struct iommu_device' for OMAP, Rockchip and
 	  Mediatek IOMMUs
 
 	* Some header optimizations for IOMMU core code headers and a
 	  few fixes that became necessary in other parts of the kernel
 	  because of that
 
 	* ACPI/IORT updates and fixes
 
 	* Some Exynos IOMMU optimizations
 
 	* Code updates for the IOMMU dma-api code to bring it closer to
 	  use per-cpu iova caches
 
 	* New command-line option to set default domain type allocated
 	  by the iommu core code
 
 	* Another command line option to allow the Intel IOMMU switched
 	  off in a tboot environment
 
 	* ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using
 	  an IDENTITY domain in conjunction with DMA ops, Support for
 	  SMR masking, Support for 16-bit ASIDs (was previously broken)
 
 	* Various other small fixes and improvements
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Merge tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:

 - code optimizations for the Intel VT-d driver

 - ability to switch off a previously enabled Intel IOMMU

 - support for 'struct iommu_device' for OMAP, Rockchip and Mediatek
   IOMMUs

 - header optimizations for IOMMU core code headers and a few fixes that
   became necessary in other parts of the kernel because of that

 - ACPI/IORT updates and fixes

 - Exynos IOMMU optimizations

 - updates for the IOMMU dma-api code to bring it closer to use per-cpu
   iova caches

 - new command-line option to set default domain type allocated by the
   iommu core code

 - another command line option to allow the Intel IOMMU switched off in
   a tboot environment

 - ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using an
   IDENTITY domain in conjunction with DMA ops, Support for SMR masking,
   Support for 16-bit ASIDs (was previously broken)

 - various other small fixes and improvements

* tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (63 commits)
  soc/qbman: Move dma-mapping.h include to qman_priv.h
  soc/qbman: Fix implicit header dependency now causing build fails
  iommu: Remove trace-events include from iommu.h
  iommu: Remove pci.h include from trace/events/iommu.h
  arm: dma-mapping: Don't override dma_ops in arch_setup_dma_ops()
  ACPI/IORT: Fix CONFIG_IOMMU_API dependency
  iommu/vt-d: Don't print the failure message when booting non-kdump kernel
  iommu: Move report_iommu_fault() to iommu.c
  iommu: Include device.h in iommu.h
  x86, iommu/vt-d: Add an option to disable Intel IOMMU force on
  iommu/arm-smmu: Return IOVA in iova_to_phys when SMMU is bypassed
  iommu/arm-smmu: Correct sid to mask
  iommu/amd: Fix incorrect error handling in amd_iommu_bind_pasid()
  iommu: Make iommu_bus_notifier return NOTIFY_DONE rather than error code
  omap3isp: Remove iommu_group related code
  iommu/omap: Add iommu-group support
  iommu/omap: Make use of 'struct iommu_device'
  iommu/omap: Store iommu_dev pointer in arch_data
  iommu/omap: Move data structures to omap-iommu.h
  iommu/omap: Drop legacy-style device support
  ...
2017-05-09 15:15:47 -07:00
Linus Torvalds
0160e00ae8 ARM: SoC driver updates
Driver updates for ARM SoCs.
 
 * Reset subsystem, merged through arm-soc by tradition:
  - Make bool drivers explicitly non-modular
  - New support for i.MX7 and Arria10 reset controllers
 
 * PATA driver for Palmchip BK371 (acked by Tejun)
 
 * Power domain drivers for i.MX (GPC, GPCv2)
  - Moved out of mach-imx for GPC
  - Bunch of tweaks, fixes, etc
 
 * PMC support for Tegra186
 
 * SoC detection support for Renesas RZ/G1H and RZ/G1N
 
 * Move Tegra flow controller driver from mach directory to drivers/soc
  - (Power management / CPU power driver)
 
 * Misc smaller tweaks for other platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for ARM SoCs:

  Reset subsystem, merged through arm-soc by tradition:
   - Make bool drivers explicitly non-modular
   - New support for i.MX7 and Arria10 reset controllers

  PATA driver for Palmchip BK371 (acked by Tejun)

  Power domain drivers for i.MX (GPC, GPCv2)
   - Moved out of mach-imx for GPC
   - Bunch of tweaks, fixes, etc

  PMC support for Tegra186

  SoC detection support for Renesas RZ/G1H and RZ/G1N

  Move Tegra flow controller driver from mach directory to drivers/soc
   - (Power management / CPU power driver)

  Misc smaller tweaks for other platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
  soc: pm-domain: Fix the mangled urls
  soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
  soc: renesas: rcar-sysc: Add support for fixing up power area tables
  soc: renesas: Register SoC device early
  soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
  dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible
  soc: imx: gpc: add defines for domain index
  soc: imx: Add GPCv2 power gating driver
  dt-bindings: Add GPCv2 power gating driver
  ARM/clk: move the ICST library to drivers/clk
  ARM: plat-versatile: remove stale clock header
  ARM: keystone: Drop PM domain support for k2g
  soc: ti: Add ti_sci_pm_domains driver
  dt-bindings: Add TI SCI PM Domains
  PM / Domains: Do not check if simple providers have phandle cells
  PM / Domains: Add generic data pointer to genpd data struct
  soc/tegra: Add initial flowctrl support for Tegra132/210
  soc/tegra: flowctrl: Add basic platform driver
  soc/tegra: Move Tegra flowctrl driver
  ARM: tegra: Remove unnecessary inclusion of flowctrl header
  ...
2017-05-09 10:01:15 -07:00
Linus Torvalds
8d648aad05 ARM: SoC platform updates
SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
 for a few platforms:
 
 * Gemini:
  - Legacy platform that Linus Walleij has converted to multiplatform
    and DT, so a handful of various tweaks there, removal of some old
    stale support, etc.
 
 * Atmel AT91:
  - Fixup of various power management related pieces
  - Move of SoC detection to a drivers/soc driver instead
 
 * ST Micro STM32:
  - New SoC support: STM32H743
 
 * TI platforms:
  - More driver support for Davinci (SATA in particular)
  - Removal of some old stale hwmod files (linkspace platform)
 
 * Misc:
  - A couple of smaller patches for i.MX, sunxi, hisi
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
  for a few platforms:

  Gemini:
   - Legacy platform that Linus Walleij has converted to multiplatform
     and DT, so a handful of various tweaks there, removal of some old
     stale support, etc.

  Atmel AT91:
   - Fixup of various power management related pieces
   - Move of SoC detection to a drivers/soc driver instead

  ST Micro STM32:
   - New SoC support: STM32H743

  TI platforms:
   - More driver support for Davinci (SATA in particular)
   - Removal of some old stale hwmod files (linkspace platform)

  Misc:
   - A couple of smaller patches for i.MX, sunxi, hisi"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits)
  ARM: davinci: Add clock for CPPI 4.1 DMA engine
  ARM: mxs: add support for I2SE Duckbill 2 boards
  MAINTAINERS: Update the Allwinner sunXi entry
  ARM: i.MX25: globally disable supervisor protect
  ARM: at91: move SoC detection to its own driver
  ARM: at91: pm: correct typo
  ARM: at91: pm: Remove at91_pm_set_standby
  ARM: at91: pm: Merge all at91sam9*_pm_init
  ARM: at91: pm: Tie the USB clock mask to the pmc
  ARM: at91: pm: Tie the memory controller type to the ramc id
  ARM: at91: pm: Workaround DDRSDRC self-refresh bug with LPDDR1 memories.
  ARM: at91: pm: Simplify at91rm9200_standby
  ARM: at91: pm: Use struct at91_pm_data in pm_suspend.S
  ARM: at91: pm: Move global variables into at91_pm_data
  ARM: at91: pm: Move at91_ramc_read/write to pm.c
  ARM: at91: pm: Cleanup headers
  MAINTAINERS: Add memory drivers to AT91 entry
  MAINTAINERS: Update AT91 entry
  ARM: davinci: add pata_bk3710 libata driver support
  ARM: OMAP2+: mark omap_init_rng as __init
  ...
2017-05-09 09:49:36 -07:00
Paul Gortmaker
290d638e04 soc/qbman: Move dma-mapping.h include to qman_priv.h
With the include there it fixes all build failures in this
directory caused by commit 461a6946b1.

Fixes: 461a6946b1 ("iommu: Remove pci.h include from trace/events/iommu.h")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2017-05-04 18:04:24 +02:00
Paul Gortmaker
4512c7bccb soc/qbman: Fix implicit header dependency now causing build fails
In commit 461a6946b1 ("iommu: Remove pci.h include from
trace/events/iommu.h") that header shuffle uncovered an implicit
include in this driver, manifesting as:

    CC      drivers/soc/fsl/qbman/qman_portal.o
    drivers/soc/fsl/qbman/qman_portal.c: In function 'qman_portal_probe':
    drivers/soc/fsl/qbman/qman_portal.c:299:2: error: implicit declaration of function 'dma_set_mask'
    drivers/soc/fsl/qbman/qman_portal.c:299:2: error: implicit declaration of function 'DMA_BIT_MASK'
        if (dma_set_mask(dev, DMA_BIT_MASK(40))) {
        ^

on the corenet32_smp_defconfig (and 64 bit respectively.)  The above
commit was singled out via git bisect.

The header it was implictly relying on getting was dma-mapping.h - so
we explicitly add it here.

Fixes: 461a6946b1 ("iommu: Remove pci.h include from trace/events/iommu.h")
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Scott Wood <oss@buserror.net>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2017-05-03 10:39:45 +02:00
Linus Torvalds
8d65b08deb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Millar:
 "Here are some highlights from the 2065 networking commits that
  happened this development cycle:

   1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)

   2) Add a generic XDP driver, so that anyone can test XDP even if they
      lack a networking device whose driver has explicit XDP support
      (me).

   3) Sparc64 now has an eBPF JIT too (me)

   4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
      Starovoitov)

   5) Make netfitler network namespace teardown less expensive (Florian
      Westphal)

   6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)

   7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)

   8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)

   9) Multiqueue support in stmmac driver (Joao Pinto)

  10) Remove TCP timewait recycling, it never really could possibly work
      well in the real world and timestamp randomization really zaps any
      hint of usability this feature had (Soheil Hassas Yeganeh)

  11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
      Aleksandrov)

  12) Add socket busy poll support to epoll (Sridhar Samudrala)

  13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
      and several others)

  14) IPSEC hw offload infrastructure (Steffen Klassert)"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
  tipc: refactor function tipc_sk_recv_stream()
  tipc: refactor function tipc_sk_recvmsg()
  net: thunderx: Optimize page recycling for XDP
  net: thunderx: Support for XDP header adjustment
  net: thunderx: Add support for XDP_TX
  net: thunderx: Add support for XDP_DROP
  net: thunderx: Add basic XDP support
  net: thunderx: Cleanup receive buffer allocation
  net: thunderx: Optimize CQE_TX handling
  net: thunderx: Optimize RBDR descriptor handling
  net: thunderx: Support for page recycling
  ipx: call ipxitf_put() in ioctl error path
  net: sched: add helpers to handle extended actions
  qed*: Fix issues in the ptp filter config implementation.
  qede: Fix concurrency issue in PTP Tx path processing.
  stmmac: Add support for SIMATIC IOT2000 platform
  net: hns: fix ethtool_get_strings overflow in hns driver
  tcp: fix wraparound issue in tcp_lp
  bpf, arm64: fix jit branch offset related to ldimm64
  bpf, arm64: implement jiting of BPF_XADD
  ...
2017-05-02 16:40:27 -07:00
Roy Pledge
e21c7316d8 soc/fsl/qbman: Disable IRQs for deferred QBMan work
Work for Congestion State Notifications (CSCN) and Message Ring (MR)
handling is handled via the workqueue mechanism. This requires the
driver to disable those IRQs before scheduling the work and re-enabling
it once the work is completed so that the interrupt doesn't continually
fire.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 02:02:46 -05:00
Valentin Longchamp
4ba251626f soc/fsl/qe: add EXPORT_SYMBOL for the 2 qe_tdm functions
This allows to build the fsl_ucc_hdlc driver as a module.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 01:32:12 -05:00
Valentin Longchamp
e5c5c8d23f soc/fsl/qe: only apply QE_General4 workaround on affected SoCs
The QE_General4 workaround is only valid for the MPC832x and MPC836x
SoCs. The other SoCs that embed a QUICC engine are not affected by this
hardware bug and thus can use the computed divisors (this was
successfully tested on the T1040).

Similalry to what was done in commit 8ce795cb0c ("i2c: mpc: assign the
correct prescaler from SVR") in order to avoid changes in
the device tree nodes of the QE (with maybe a variant of the compatible
property), the PVR reg is read out to find out if the workaround must be
applied or not.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 01:31:52 -05:00
Valentin Longchamp
2ccf80b756 soc/fsl/qe: round brg_freq to 1kHz granularity
Because of integer computation rounding in u-boot (that sets the QE
brg-frequency DTS prop), the clk value is 99999999 Hz even though it is
100 MHz.

When setting brg clks that are exact divisors of 100 MHz, this small
differnce plays a role and can result in lower clks to be output (for
instance 20 MHz - divide by 5 - results in 16.666 MHz - divide by 6).

This patch fixes that by "forcing" the brg_clk to the nearest kHz when
the difference is below 2 integer rounding errors (i.e. 4).

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 01:31:51 -05:00
Christophe Leroy
b54ea82f01 soc/fsl/qe: get rid of immrbar_virt_to_phys()
immrbar_virt_to_phys() is not used anymore

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Acked-by: Li Yang <pku.leo@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2017-04-30 01:26:54 -05:00
Arnd Bergmann
b6942b68f8 Merge branch 'for_4.12/soc-pmdomain-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers
Pull "Keystone mangled URLs fixed" from Santosh Shilimkar

* 'for_4.12/soc-pmdomain-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  soc: pm-domain: Fix the mangled urls
2017-04-27 21:49:14 +02:00
Santosh Shilimkar
7574f67eb4 soc: pm-domain: Fix the mangled urls
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-04-24 14:17:35 -07:00
Olof Johansson
d12523f14e Samsung SoC drivers update for v4.12 - split building of the PMU driver between
ARMv7 and ARMv8.
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Merge tag 'samsung-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Samsung SoC drivers update for v4.12 - split building of the PMU driver between
ARMv7 and ARMv8.

* tag 'samsung-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: Do not build ARMv7 PMU drivers on ARMv8

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:58:33 -07:00
Olof Johansson
32d8b52b90 Renesas ARM Based SoC Sysc Updates for v4.12
* Add support for R-Car H3 ES2.0
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Merge tag 'renesas-sysc-for-v4.12' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC Sysc Updates for v4.12

* Add support for R-Car H3 ES2.0

* tag 'renesas-sysc-for-v4.12' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
  soc: renesas: rcar-sysc: Add support for fixing up power area tables
  soc: renesas: Register SoC device early
  base: soc: Allow early registration of a single SoC device
  base: soc: Let soc_device_match() return no match when called too early

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:56:18 -07:00
Olof Johansson
63466c49cb ZTE driver updates for 4.12:
It includes a couple of small cleanups on zx296718 power domain drivers.
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Merge tag 'zte-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

ZTE driver updates for 4.12:

It includes a couple of small cleanups on zx296718 power domain drivers.

* tag 'zte-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: zte: pm_domains: Remove .owner field for driver
  soc: zte: pm_domains: Remove redundant dev_err call in zx2967_pd_probe()

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:41:21 -07:00
Olof Johansson
912c9fbe66 i.MX drivers updates for 4.12:
- A series from Lucas Stach which partly rewrites the imx gpc driver
    to support multiple power domains, and moves the related code from
    imx platform into drivers folder.
  - A series from Dong Aisheng which fixes the issues with Lucas' code
    changes and improves things.
  - Add workaround for i.MX6QP hardware erratum ERR009619 that is PRE
    clocks may be stalled during the power up sequencing of the PU power
    domain.
  - Add imx-gpcv2 driver to support power domains managed by GPCv2 IP
    block found on i.MX7 series of SoCs.
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Merge tag 'imx-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

i.MX drivers updates for 4.12:
 - A series from Lucas Stach which partly rewrites the imx gpc driver
   to support multiple power domains, and moves the related code from
   imx platform into drivers folder.
 - A series from Dong Aisheng which fixes the issues with Lucas' code
   changes and improves things.
 - Add workaround for i.MX6QP hardware erratum ERR009619 that is PRE
   clocks may be stalled during the power up sequencing of the PU power
   domain.
 - Add imx-gpcv2 driver to support power domains managed by GPCv2 IP
   block found on i.MX7 series of SoCs.

* tag 'imx-drivers-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
  dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible
  soc: imx: gpc: add defines for domain index
  soc: imx: Add GPCv2 power gating driver
  dt-bindings: Add GPCv2 power gating driver
  soc: imx: gpc: remove unnecessary readable_reg callback
  dt-bindings: imx-gpc: correct the DOMAIN_INDEX using
  soc: imx: gpc: keep PGC_X_CTRL name align with reference manual
  soc: imx: gpc: fix comment when power up domain
  soc: imx: gpc: fix imx6sl gpc power domain regression
  soc: imx: gpc: fix domain_index sanity check issue
  soc: imx: gpc: fix the wrong using of regmap cache
  soc: imx: gpc: fix gpc clk get error handling
  soc: imx: move PGC handling to a new GPC driver
  dt-bindings: add multidomain support to i.MX GPC DT binding

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:38:32 -07:00
Olof Johansson
55de807595 soc/tegra: Core SoC changes for v4.12-rc1
This contains PMC support for Tegra186 as well as a proper driver for
 the flow controller found on SoCs up to Tegra210. This also turns the
 fuse driver into an explicitly non-modular driver.
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Merge tag 'tegra-for-4.12-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

soc/tegra: Core SoC changes for v4.12-rc1

This contains PMC support for Tegra186 as well as a proper driver for
the flow controller found on SoCs up to Tegra210. This also turns the
fuse driver into an explicitly non-modular driver.

* tag 'tegra-for-4.12-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: Add initial flowctrl support for Tegra132/210
  soc/tegra: flowctrl: Add basic platform driver
  soc/tegra: Move Tegra flowctrl driver
  ARM: tegra: Remove unnecessary inclusion of flowctrl header
  soc: tegra: make fuse-tegra explicitly non-modular
  soc/tegra: Fix link errors with PMC disabled
  soc/tegra: Implement Tegra186 PMC support

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 06:16:25 -07:00
Olof Johansson
fe8fee6901 ARM SOC PM domain support for 4.12
Dave Gerlach (5):
       PM / Domains: Add generic data pointer to genpd data struct
       PM / Domains: Do not check if simple providers have phandle cells
       dt-bindings: Add TI SCI PM Domains
       soc: ti: Add ti_sci_pm_domains driver
       ARM: keystone: Drop PM domain support for k2g
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Merge tag 'arm-soc-pmdomain' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers

ARM SOC PM domain support for 4.12

Dave Gerlach (5):
      PM / Domains: Add generic data pointer to genpd data struct
      PM / Domains: Do not check if simple providers have phandle cells
      dt-bindings: Add TI SCI PM Domains
      soc: ti: Add ti_sci_pm_domains driver
      ARM: keystone: Drop PM domain support for k2g

* tag 'arm-soc-pmdomain' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  ARM: keystone: Drop PM domain support for k2g
  soc: ti: Add ti_sci_pm_domains driver
  dt-bindings: Add TI SCI PM Domains
  PM / Domains: Do not check if simple providers have phandle cells
  PM / Domains: Add generic data pointer to genpd data struct

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19 05:58:02 -07:00
Geert Uytterhoeven
fcb8708726 soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
Power area A2VC0 was removed in revision ES2.0, cfr. R-Car Gen3 Hardware
User's Manual rev. 0.53E.

Hence remove it from the power area table when not running on ES1.x.

This is in line with the goal to:
  1. Support both the ES1.x and ES2.0 SoC revisions in a single binary
     for now,
  2. Make it clear which code supports ES1.x, so it can easily be
     identified and removed later, when production SoCs are deemed
     ubiquitous.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-04-07 13:53:41 -04:00
Geert Uytterhoeven
afa6f53df6 soc: renesas: rcar-sysc: Add support for fixing up power area tables
The same SoC may have different power areas, depending on SoC revision.
One option is to use different sets of power area tables for each SoC
revision.  However, if the differences are small, it is much more
space-efficient to have a single set of tables, and fix those up at
runtime instead.

Hence provide a helper to NULLify power areas that do not exist on some
revisions (NULLified power areas are skipped during the registration
phase), and support for an optional initialization callback to e.g. fix
up power area tables.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-04-07 13:53:40 -04:00
Geert Uytterhoeven
b1d134ba9d soc: renesas: Register SoC device early
The r8a7795 SYSC driver manages PM Domains, and thus is initialized from
an early_initcall().  However, this means the driver cannot check the
SoC revision, as the SoC device hasn't been registered yet.

Change renesas_soc_init() from a core_initcall() to an early_initcall()
to fix this (renesas-soc.o is listed before rcar-sysc.o in the Makefile).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-04-07 13:53:39 -04:00
Lucas Stach
44c43c9821 soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
On i.MX6QP, due to hardware erratum ERR009619, the PRE clocks may be
stalled during the power up sequencing of the PU power domain. As this
may lead to a complete loss of display output, the recommended
workaround is to keep the PU domain enabled during normal system
operation.

Implement this by rejecting the domain power down request on the
affected SoC.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-04-07 20:47:34 +08:00
Lucas Stach
7c42af783a soc: imx: gpc: add defines for domain index
Makes referencing a specfic domain in the driver code
less error prone.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-04-07 20:47:24 +08:00
Andrey Smirnov
03aa12629f soc: imx: Add GPCv2 power gating driver
Add code allowing for control of various power domains managed by GPCv2
IP block found in i.MX7 series of SoCs. Power domains covered by this
patch are:

    - PCIE PHY
    - MIPI PHY
    - USB HSIC PHY
    - USB OTG1/2 PHY

Support for any other power domain controlled by GPC is not present, and
can be added at some later point.

Testing of this code was done against a PCIe driver.

Cc: yurovsky@gmail.com
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Dong Aisheng <dongas86@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-04-07 19:37:07 +08:00
Dave Gerlach
52835d59fc soc: ti: Add ti_sci_pm_domains driver
Introduce a ti_sci_pm_domains driver to act as a generic pm domain
provider to allow each device to attach and associate it's ti-sci-id so
that it can be controlled through the TI SCI protocol.

This driver implements a simple genpd where each device node has a
phandle to the power domain node and also must provide an index which
represents the ID to be passed with TI SCI representing the device using
a single phandle cell. The driver manually parses the phandle to get the
cell value. Through this interface the genpd dev_ops start and stop
hooks will use TI SCI to turn on and off each device as determined by
pm_runtime usage.

Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-04-04 08:59:27 -07:00
Jon Hunter
1fd09e5d88 soc/tegra: Add initial flowctrl support for Tegra132/210
Tegra132 and Tegra210 support the flowctrl module and so add initial
support for these devices.

Please note that Tegra186 does not support the flowctrl module, so
update the initialisation function such that we do not fall back and
attempt to map the 'hardcoded' address range for Tegra186. Furthermore
64-bit Tegra devices have always had the flowctrl node defined in their
device-tree and so only use the 'hardcoded' addresses for 32-bit Tegra
devices.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:52:31 +02:00
Jon Hunter
841fd94c43 soc/tegra: flowctrl: Add basic platform driver
Add a simple platform driver for the flowctrl module so that it gets
registered as a proper device.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:49:46 +02:00
Jon Hunter
7e10cf7436 soc/tegra: Move Tegra flowctrl driver
The flowctrl driver is required for both ARM and ARM64 Tegra devices
and in order to enable support for it for ARM64, move the Tegra flowctrl
driver into drivers/soc/tegra.

By moving the flowctrl driver, tegra_flowctrl_init() is now called by
via an early initcall and to prevent this function from attempting to
mapping IO space for a non-Tegra device, a test for 'soc_is_tegra()'
is also added.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:48:04 +02:00
Paul Gortmaker
1859217bec soc: tegra: make fuse-tegra explicitly non-modular
The Makefiles currently controlling compilation of this code is:

drivers/soc/tegra/Makefile:obj-y += fuse/
drivers/soc/tegra/fuse/Makefile:obj-y += fuse-tegra.o

...meaning that it currently is not being built as a module by anyone.

Lets remove the couple traces of modularity so that when reading the
driver there is no doubt it is builtin-only.

Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.

Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: linux-tegra@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:43:52 +02:00
Thierry Reding
5e7d4c6529 soc/tegra: Implement Tegra186 PMC support
The power management controller on Tegra186 has changed in backwards-
incompatible ways with respect to earlier generations. This implements a
new driver that supports inversion of the PMU interrupt as well as the
"recovery", "bootloader" and "forced-recovery" reboot commands.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-04-04 15:43:50 +02:00
Alexandre Belloni
b32de9dd38 ARM: at91: move SoC detection to its own driver
To simplify machine init and as the soc_device struct is not used as the
parent for on-chip devices anymore, move SoC detection to its own driver.

Change in dmesg:
 - before:
DMA: preallocated 256 KiB pool for atomic coherent allocations
AT91: Detected SoC family: sama5d2
AT91: Detected SoC: sama5d27, revision 0
No ATAGs?
clocksource: tcb_clksrc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 184217874325 ns
at_xdmac f0010000.dma-controller: 16 channels, mapped at 0xe085b000
SCSI subsystem initialized

 - after:
DMA: preallocated 256 KiB pool for atomic coherent allocations
No ATAGs?
clocksource: tcb_clksrc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 184217874325 ns
at_xdmac f0010000.dma-controller: 16 channels, mapped at 0xe0859000
AT91: Detected SoC family: sama5d2
AT91: Detected SoC: sama5d27, revision 0
SCSI subsystem initialized

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-03-31 20:36:10 +02:00
Arnd Bergmann
3ed0b8a76a This pull request contains Broadcom ARM-based SoC drivers updates for 4.12,
please pull the following changes:
 
 - Florian updates the Broadcom STB GISB arbiter driver with a bunch of
   compatible strings for MIPS-based STBs found under arch/mips/boot/dts/brcm/ in
   order for the SoC identification driver to recognize these chips
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Merge tag 'arm-soc/for-4.12/drivers' of http://github.com/Broadcom/stblinux into next/drivers

Pull "Broadcom drivers changes for 4.12" from Florian Fainelli:

This pull request contains Broadcom ARM-based SoC drivers updates for 4.12,
please pull the following changes:

- Florian updates the Broadcom STB GISB arbiter driver with a bunch of
  compatible strings for MIPS-based STBs found under arch/mips/boot/dts/brcm/ in
  order for the SoC identification driver to recognize these chips

* tag 'arm-soc/for-4.12/drivers' of http://github.com/Broadcom/stblinux:
  soc: bcm: brcmstb: Match additional compatible strings
2017-03-31 10:56:59 +02:00
Bjorn Andersson
2b62425045 soc: qcom: smd-rpm: Add msm8996 compatibility
With the RPM driver transitioned to RPMSG we can reuse the SMD-RPM
driver ontop of GLINK for 8996, without any modifications.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:08 -07:00
Bjorn Andersson
395a48053a soc: qcom: smd: Remove standalone driver
Remove the standalone SMD implementation as we have transitioned the
client drivers to use the RPMSG based one.

Also remove all dependencies on QCOM_SMD from Kconfig files, in order to
keep them selectable in the absence of the removed symbol.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:07 -07:00
Bjorn Andersson
5052de8def soc: qcom: smd: Transition client drivers from smd to rpmsg
By moving these client drivers to use RPMSG instead of the direct SMD
API we can reuse them ontop of the newly added GLINK wire-protocol
support found in the 820 and 835 Qualcomm platforms.

As the new (RPMSG-based) and old SMD implementations are mutually
exclusive we have to change all client drivers in one commit, to make
sure we have a working system before and after this transition.

Acked-by: Andy Gross <andy.gross@linaro.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:07 -07:00
Horia Geantă
8496272d81 soc/qman: export non-programmable FQD fields query
Export qman_query_fq_np() function and related structures.
This will be needed in the caam/qi driver, where "queue empty"
condition will be decided based on the frm_cnt.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-24 22:02:58 +08:00
Horia Geantă
329d09089c soc/qman: add dedicated channel ID for CAAM
Add and export the ID of the channel serviced by the
CAAM (Cryptographic Acceleration and Assurance Module) DCP.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-24 22:02:56 +08:00
Horia Geantă
1662e9319b soc/qman: export volatile dequeue related structs
Since qman_volatile_dequeue() is already exported, move the related
structures into the public header too.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-24 22:02:56 +08:00
Dong Aisheng
bd01f064af soc: imx: gpc: remove unnecessary readable_reg callback
It is not really necessary to provide the current .readable_reg
implementation as we know what we're doing in our driver
and the regmap core has already done the partial check for
available maximum regs.

Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:43:21 +08:00
Dong Aisheng
fbb0b4402a soc: imx: gpc: keep PGC_X_CTRL name align with reference manual
Instead of GPC_PGC_PDN_OFFS, naming it as GPC_PGC_CTRL_OFFS which is
defined in reference manual for better reading.

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:43:10 +08:00
Dong Aisheng
6e6e339cc1 soc: imx: gpc: fix comment when power up domain
The correct comment should be power up domain.

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:43:04 +08:00
Dong Aisheng
5a42d11989 soc: imx: gpc: fix imx6sl gpc power domain regression
Commit 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
broke the MX6SL GPC power domain support.
It always got the following error:
[    1.248364] imx-gpc 20dc000.gpc: could not find pgc DT node
This patch adds back the legecy support.

Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:42:07 +08:00
Dong Aisheng
15c3de4e18 soc: imx: gpc: fix domain_index sanity check issue
ARRAY_SIZE(imx_gpc_domains) represents all power domains supported
by different SoCs. Driver should use SoC specific of_id_data->num_domains
instead to do power domain index sanity check.
e.g. MX6Q supports two power domains while MX6SL supports three.

Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:42:01 +08:00
Dong Aisheng
3a317f5235 soc: imx: gpc: fix the wrong using of regmap cache
Without providing the proper reg_defaults, the regmap registers first
read out may be always 0 if enabling cache, which results in the
following issue we met.
e.g. During driver probe in imx6_pm_domain_power_on():
regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PUPSCR_OFFS, &val);
The PGC_PUPSCR register val is always 0 but it's actually 0xf01 in HW.

Since GPC registers are tightly related to CPU bring up and may be
changed in bootloader, we don't want to provide defaults.
And the cache really does not save too much for GPC module.

Therefore, simply disable cache to fix the issue and make life easy.

Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:41:51 +08:00
Dong Aisheng
55b0baa254 soc: imx: gpc: fix gpc clk get error handling
We got a following kernel crash once supplying one more IPG
clock in GPC node in devicetree. The original error handling of
clocks get is a bit wrong that when reaching the maximum clock
get error, the index 'i' is already GPC_CLK_MAX which can't be used
as the array index for clk_put operations.

[    3.000110] imx-gpc 20dc000.gpc: more than 6 clocks
[    3.005141] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[    3.013487] pgd = c0004000
[    3.016300] [00000000] *pgd=00000000
[    3.020060] Internal error: Oops: 805 [#1] SMP ARM
[    3.024957] Modules linked in:
[    3.028122] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G        W       4.11.0-rc1-00056-g813791b-dirty #1140
[    3.037801] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[    3.044435] task: ef298000 task.stack: ef294000
[    3.049080] PC is at __clk_put+0x38/0xec
[    3.053103] LR is at 0x7f54ce9a
[    3.056345] pc : [<c0537984>]    lr : [<7f54ce9a>]    psr: 60000013
[    3.056345] sp : ef295d48  ip : c8a582b2  fp : ef295d64
[    3.068026] r10: ee9fc400  r9 : 00000000  r8 : ef398c10
[    3.073354] r7 : ef398c10  r6 : c1071264  r5 : c10710f0  r4 : eea5be80
[    3.079986] r3 : 00000000  r2 : 00000000  r1 : 00000100  r0 : 00000001
[    3.086621] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[    3.093863] Control: 10c5387d  Table: 1000404a  DAC: 00000051
[    3.099712] Process swapper/0 (pid: 1, stack limit = 0xef294210)
[    3.105823] Stack: (0xef295d48 to 0xef296000)
...
[    3.292660] Backtrace:
[    3.295222] [<c053794c>] (__clk_put) from [<c0531028>] (clk_put+0x18/0x1c)
[    3.302206]  r6:c1071264 r5:c10710f0 r4:c107124c r3:00000001
[    3.307977] [<c0531010>] (clk_put) from [<c0546ba0>] (imx_pgc_get_clocks+0x64/0x78)
[    3.315747] [<c0546b3c>] (imx_pgc_get_clocks) from [<c0547124>] (imx_gpc_probe+0x204/0x31c)
[    3.324209]  r7:00000000 r6:c1070eb0 r5:00000001 r4:ef398c00
[    3.329980] [<c0546f20>] (imx_gpc_probe) from [<c05e65f0>] (platform_drv_probe+0x5c/0xc0)
[    3.338270]  r10:c0f00608 r9:00000000 r8:00000000 r7:fffffdfb r6:c1070f20 r5:ef398c10
[    3.346207]  r4:ef398c10
[    3.348849] [<c05e6594>] (platform_drv_probe) from [<c05e4250>] (driver_probe_device+0x214/0x2ec)
[    3.357835]  r7:c1070f20 r6:00000000 r5:c18cea74 r4:ef398c10
[    3.363607] [<c05e403c>] (driver_probe_device) from [<c05e43ec>] (__driver_attach+0xc4/0xc8)
[    3.372159]  r9:c0f8b858 r8:c0f8b850 r7:00000000 r6:ef398c44 r5:c1070f20 r4:ef398c10
[    3.380017] [<c05e4328>] (__driver_attach) from [<c05e21fc>] (bus_for_each_dev+0x7c/0xb0)
[    3.388304]  r6:c05e4328 r5:c1070f20 r4:00000000 r3:00000000
[    3.394074] [<c05e2180>] (bus_for_each_dev) from [<c05e3bc4>] (driver_attach+0x28/0x30)
[    3.402188]  r6:c107f3e8 r5:eea5be00 r4:c1070f20
[    3.406913] [<c05e3b9c>] (driver_attach) from [<c05e3740>] (bus_add_driver+0x19c/0x224)
[    3.415034] [<c05e35a4>] (bus_add_driver) from [<c05e52fc>] (driver_register+0x88/0x108)
[    3.423235]  r7:c10e1000 r6:00000000 r5:c0f57d2c r4:c1070f20
[    3.429004] [<c05e5274>] (driver_register) from [<c05e6534>] (__platform_driver_register+0x40/0x54)
[    3.438160]  r5:c0f57d2c r4:00000006
[    3.441846] [<c05e64f4>] (__platform_driver_register) from [<c0f57d44>] (imx_gpc_driver_init+0x18/0x20)
[    3.451360] [<c0f57d2c>] (imx_gpc_driver_init) from [<c010200c>] (do_one_initcall+0x4c/0x180)
[    3.460008] [<c0101fc0>] (do_one_initcall) from [<c0f00e40>] (kernel_init_freeable+0x130/0x1f8)
[    3.468820]  r9:c0f8b858 r8:c0f8b850 r6:c0fc2414 r5:c10e1000 r4:00000006
[    3.475637] [<c0f00d10>] (kernel_init_freeable) from [<c0ae6aec>] (kernel_init+0x18/0x124)
[    3.484014]  r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0ae6ad4
[    3.491951]  r4:00000000
[    3.494590] [<c0ae6ad4>] (kernel_init) from [<c01088d0>] (ret_from_fork+0x14/0x24)
[    3.502267]  r4:00000000 r3:ef294000
[    3.505947] Code: e5943014 e5942018 e3530000 e3a01c01 (e5823000)
[    3.512215] ---[ end trace 375f9f2a5ddeff3c ]---
[    3.517036] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

Cc: Lucas Stach <l.stach@pengutronix.de>
Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-24 13:41:30 +08:00
Krzysztof Kozlowski
a0ebf66267 soc: samsung: Do not build ARMv7 PMU drivers on ARMv8
The Exynos Power Management Unit (PMU) drivers contain quite large
static arrays of register values necessary for given Exynos SoC to enter
low power mode.  All this data is useless for ARMv8 SoC like
Exynos5433, because the image will not be shared between ARMv7 and
ARMv8.

Add additional Kconfig symbol for selecting the SoC-specific driver
addons thus skipping the useless data in the final image (this is
similar approach to chosen for Exynos clock controller drivers):
 - exynos-pmu driver will be compiled on both architectures ARMv7
   and ARMv8,
 - additional driver_data for ARMv7 SoCs will not be built on ARMv8
   and a macro will return NULL for them in of_device_id - this should
   be safe as these compatibles cannot match on ARMv7 and driver
   anyway handles NULL driver_data,
 - on ARMv8 compile only exynos-pmu driver which exposes the
   syscon-regmap for PMU address space.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
2017-03-21 19:03:39 +02:00
Geert Uytterhoeven
cd59de80dd soc: renesas: Identify RZ/G1N
Add support for identifying the RZ/G1N (r8a7744) SoC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-03-13 10:26:08 +01:00
Geert Uytterhoeven
8848e1b142 soc: renesas: Identify RZ/G1H
Add support for identifying the RZ/G1H (r8a7742) SoC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-03-13 10:25:49 +01:00
Wei Yongjun
71ce843034 soc: zte: pm_domains: Remove .owner field for driver
Remove .owner field if calls are used which set it automatically.

Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-08 12:40:44 +01:00
Wei Yongjun
e3a059c0ba soc: zte: pm_domains: Remove redundant dev_err call in zx2967_pd_probe()
There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-08 12:40:33 +01:00
Lucas Stach
721cabf6c6 soc: imx: move PGC handling to a new GPC driver
This is an almost complete re-write of the previous GPC power gating control
code found in the IMX architecture code. It supports both the old and the new
DT binding, allowing more domains to be added later and generally makes the
driver easier to extend, while keeping compatibility with existing DTBs.

As the result, all functionality regarding the power gating controller
gets removed from the IMX architecture GPC driver.  It keeps only the
IRQ controller code in the architecture, as this is closely coupled to
the CPU idle implementation.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-03-08 11:55:47 +01:00
Florian Fainelli
bd0faf08dc soc: bcm: brcmstb: Match additional compatible strings
Match all known sun-top-ctrl compatible strings from our MIPS chips
counterparts. This allows us to properly report the SoC information to
user-space through our SoC driver.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-03-05 17:00:57 -08:00
Ingo Molnar
174cd4b1e5 sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>
Fix up affected files that include this signal functionality via sched.h.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:32 +01:00
Linus Torvalds
b2e3c4319d ARM: SoC driver updates
Driver updates for ARM SoCs.
 
 A handful of driver changes this time around. The larger changes are:
 
  - Reset drivers for hi3660 and zx2967
  - AHCI driver for Davinci, acked by Tejun and brought in here due to
    platform dependencies
  - Cleanups of atmel-ebi (External Bus Interface)
  - Tweaks for Rockchip GRF (General Register File) usage (kitchensink misc
    register range on the SoCs)
  - PM domains changes for support of two new ZTE SoCs (zx296718 and zx2967)
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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:
 "Driver updates for ARM SoCs.

  A handful of driver changes this time around. The larger changes are:

   - Reset drivers for hi3660 and zx2967

   - AHCI driver for Davinci, acked by Tejun and brought in here due to
     platform dependencies

   - Cleanups of atmel-ebi (External Bus Interface)

   - Tweaks for Rockchip GRF (General Register File) usage (kitchensink
     misc register range on the SoCs)

   - PM domains changes for support of two new ZTE SoCs (zx296718 and
     zx2967)"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
  soc: samsung: pmu: Add register defines for pad retention control
  reset: make zx2967 explicitly non-modular
  reset: core: fix reset_control_put
  soc: samsung: pm_domains: Read domain name from the new label property
  soc: samsung: pm_domains: Remove message about failed memory allocation
  soc: samsung: pm_domains: Remove unused name field
  soc: samsung: pm_domains: Use full names in subdomains registration log
  sata: ahci-da850: un-hardcode the MPY bits
  sata: ahci-da850: add a workaround for controller instability
  sata: ahci: export ahci_do_hardreset() locally
  sata: ahci-da850: implement a workaround for the softreset quirk
  sata: ahci-da850: add device tree match table
  sata: ahci-da850: get the sata clock using a connection id
  soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
  memory: atmel-ebi: Enable the SMC clock if specified
  soc: samsung: pmu: Remove unused and duplicated defines
  memory: atmel-ebi: Properly handle multiple reference to the same CS
  memory: atmel-ebi: Fix the test to enable generic SMC logic
  soc: samsung: pm_domains: Add new Exynos5433 compatible
  soc: samsung: pmu: Add dummy support for Exynos5433 SoC
  ...
2017-02-23 15:57:04 -08:00
Linus Torvalds
6ae52c65e0 ARM: SoC platform updates
In the SoC branch we normally collect classic arch/arm/mach-* contents, i.e.
 C code changes for SoC platforms. This release cycle the diffstat is quite
 nice, in that we're removing 3x the amount of code that's being added.
 
 The main reason for this is that there's a removal of camera drivers for
 Freescale i.MX chips (driver was removed so the device registration isn't
 needed any more). There's also removal of display initialization code for OMAP
 that is no longer needed.
 
 The rest are mostly minor tweaks and cleanups; constification on Samsung
 platforms, cleanup of ux500 platform data, purge of other unused platform
 data/device seutp on i.MX and other good stuff.
 
 New SoC support this cycle is for two Allwinner platforms, H2+ and V3s.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "In the SoC branch we normally collect classic arch/arm/mach-*
  contents, i.e. C code changes for SoC platforms. This release cycle
  the diffstat is quite nice, in that we're removing 3x the amount of
  code that's being added.

  The main reason for this is that there's a removal of camera drivers
  for Freescale i.MX chips (driver was removed so the device
  registration isn't needed any more). There's also removal of display
  initialization code for OMAP that is no longer needed.

  The rest are mostly minor tweaks and cleanups; constification on
  Samsung platforms, cleanup of ux500 platform data, purge of other
  unused platform data/device seutp on i.MX and other good stuff.

  New SoC support this cycle is for two Allwinner platforms, H2+ and
  V3s"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (55 commits)
  ARM: ux500: remove deleted file from Makefile
  ARM: ep93xx: Disable TS-72xx watchdog before uncompressing
  ARM: ux500: cut some platform data
  MAINTAINERS: Update for the current location of the bcm2835 tree.
  ARM: davinci: remove BUG_ON() from da850_register_sata()
  ARM: davinci: da850: model the SATA refclk
  ARM: davinci: da850: add con_id for the SATA clock
  ARM: davinci: da8xx-dt: add OF_DEV_AUXDATA entry for SATA
  arm: mvebu: support for SMP on 98DX3336 SoC
  dt-bindings: video: exynos7-decon: Remove obsolete samsung,power-domain property
  soc: dove: constify reset_control_ops structures
  ARM: mv78xx0: fix possible PCI buffer overflow
  MAINTAINERS: transfer maintainership for the EZX platform
  ARM: shmobile: rcar-gen2: Add more register documentation
  ARM: tegra: paz00: Fix __initdata placement
  ARM: OMAP: clock: Remove unused mpurate cmdline option
  ARM: davinci: add skeleton for pdata-quirks
  arm: sunxi: add support for V3s SoC
  ARM: OMAP2+: omap_hwmod: Add support for earlycon
  arm: hisi: drop extern hip01_cpu_die
  ...
2017-02-23 15:33:54 -08:00
Linus Torvalds
a3919caaa2 remoteproc updates for v4.11
This introduces support for booting the dedicated sensor core in the
 Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to
 utilize SMD subdevice helpers for properly handle shutdowns and restarts
 of the remoteproc, add virtio support to the ST remoteproc and refactor
 the Qualcomm Hexagon driver to handle variations between platforms.
 
 The support code for parsing, loading and authenticating Qualcomm
 firmware files (MDT) is refactored and move to drivers/soc/qcom, to
 allow for non-remoteproc drivers to utilize this.
 
 Finally it brings some cleanups to the remoteproc core.
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Merge tag 'rproc-v4.11' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This introduces support for booting the dedicated sensor core in the
  Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to
  utilize SMD subdevice helpers for properly handle shutdowns and
  restarts of the remoteproc, add virtio support to the ST remoteproc
  and refactor the Qualcomm Hexagon driver to handle variations between
  platforms.

  The support code for parsing, loading and authenticating Qualcomm
  firmware files (MDT) is refactored and move to drivers/soc/qcom, to
  allow for non-remoteproc drivers to utilize this.

  Finally it brings some cleanups to the remoteproc core"

* tag 'rproc-v4.11' of git://github.com/andersson/remoteproc: (27 commits)
  remoteproc: qcom: mdt_loader: Use signed type for offset
  remoteproc: st: add virtio communication support
  remoteproc: st: correct probe error management
  remoteproc: Modify the function names
  remoteproc: Reduce asynchronous request_firmware to auto-boot only
  remoteproc: Drop qcom_scm_pas_supported() from adsp_probe()
  MAINTAINERS: Add missing rpmsg include path
  remoteproc: qcom: Use common SMD edge handler
  remoteproc: qcom: wcnss: Make SMD handling common
  remoteproc: Move qcom_mdt_loader into drivers/soc/qcom
  remoteproc: qcom: mdt_loader: Refactor MDT loader
  remoteproc: qcom: mdt_loader: Don't overwrite firmware object
  remoteproc: qcom: Extract non-mdt related helper
  remoteproc: qcom: q6v5: Decouple driver from MDT loader
  remoteproc: qcom: q6v5: Remove mss supply from 8916
  remoteproc: qcom: fix initializers for qcom_mss_reg_res array
  remoteproc: Drop firmware_loading_complete
  remoteproc: Add RPROC_DELETED state
  remoteproc: Move rproc_delete_debug_dir() to rproc_del()
  remoteproc: qcom: Add SLPI rproc support to load and boot slpi proc.
  ...
2017-02-23 09:38:10 -08:00
Bjorn Andersson
01625cc5e6 remoteproc: qcom: mdt_loader: Use signed type for offset
In the transition from using rproc_da_to_va(), the type of the load
offset became unsigned. This causes the subsequent check to let negative
values less than p_memsz + mem_size through and we write outside of the
buffer.

Change the type back to a signed value to catch this.

Fixes: 7f0dd07a9b ("remoteproc: qcom: mdt_loader: Refactor MDT loader")
Fixes: e7fd252262 ("remoteproc: qcom: q6v5: Decouple driver from MDT loader")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-02-22 02:07:13 -08:00
Arnd Bergmann
28eedd15ec Improve the PM domains driver for Exynos by displaying a user-friendly name of
power domain.  Till now, the name of node from DT was used which mostly is just
 "power-domain".  We need more than that.
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Merge tag 'samsung-drivers-soc-pm-domains-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Pull "soc: samsung: pm_domains for v4.11" from Krzysztof Kozłowski:

Improve the PM domains driver for Exynos by displaying a user-friendly name of
power domain.  Till now, the name of node from DT was used which mostly is just
"power-domain".  We need more than that.

* tag 'samsung-drivers-soc-pm-domains-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: pm_domains: Read domain name from the new label property
  soc: samsung: pm_domains: Remove message about failed memory allocation
  soc: samsung: pm_domains: Remove unused name field
  soc: samsung: pm_domains: Use full names in subdomains registration log
2017-02-07 17:20:07 +01:00
Bjorn Andersson
2aad40d911 remoteproc: Move qcom_mdt_loader into drivers/soc/qcom
With the remoteproc parts cleaned out of the MDT loader we can move it
to drivers/soc/qcom.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-02-06 08:57:25 -08:00
Marek Szyprowski
b13b2330aa soc: samsung: pm_domains: Read domain name from the new label property
Device tree nodes for each power domain should use generic "power-domain"
name, so using it as a domain name doesn't give much benefits. This patch
adds support for human readable names defined in 'label' property. Such
names are visible to userspace and makes debugging much easier. When no
'label' property is found, driver keeps using the name constructed from
full node name.

Suggested-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-31 21:30:07 +02:00
Marek Szyprowski
d1a09872fe soc: samsung: pm_domains: Remove message about failed memory allocation
Memory subsystem already prints message about failed memory
allocation, there is no need to do it in the drivers.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-31 21:30:06 +02:00
Marek Szyprowski
066502d483 soc: samsung: pm_domains: Remove unused name field
Name is now in generic pm domain structure, so there is no need to
duplicate it in private data.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-31 21:30:04 +02:00
Marek Szyprowski
402e73c519 soc: samsung: pm_domains: Use full names in subdomains registration log
Device tree none name for each power domain should be "power-domain", so
use a bit more descriptive full node name in messages about subdomain
registration. This way the following meaningless message:

power-domain has as child subdomain: power-domain.

is changed to a bit more meaningful one:

/soc/power-domain@105c40a0 has as child subdomain: /soc/power-domain@105c4020.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-31 21:30:02 +02:00
Linus Walleij
7f36f5d11c Linux 4.10-rc6
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Merge tag 'v4.10-rc6' into devel

Linux 4.10-rc6

Resolved conflicts in:
	drivers/pinctrl/pinctrl-amd.c
	drivers/pinctrl/samsung/pinctrl-exynos.c
2017-01-30 14:39:20 +01:00
Olof Johansson
1096ffd75a Continuation of improvements for Exynos PM drivers for v4.11:
1. Add support for Exynos5433 to Power Management Unit (PMU) and Power
    Domains drivers.
 2. Cleanups of duplicated and unused defines.
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Merge tag 'samsung-drivers-soc-pmu-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Continuation of improvements for Exynos PM drivers for v4.11:
1. Add support for Exynos5433 to Power Management Unit (PMU) and Power
   Domains drivers.
2. Cleanups of duplicated and unused defines.

* tag 'samsung-drivers-soc-pmu-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
  soc: samsung: pmu: Remove unused and duplicated defines
  soc: samsung: pm_domains: Add new Exynos5433 compatible
  soc: samsung: pmu: Add dummy support for Exynos5433 SoC

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 21:18:44 -08:00
Olof Johansson
2a742e1b18 ZTE PM domain driver support for 4.11:
- It includes a series which adds DT bindings and PM domain driver for
    PCU (Power Control Unit) block found on ZTE ZX2967 family SoC.
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Merge tag 'zte-pd-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

ZTE PM domain driver support for 4.11:
 - It includes a series which adds DT bindings and PM domain driver for
   PCU (Power Control Unit) block found on ZTE ZX2967 family SoC.

* tag 'zte-pd-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: zte: pm_domains: Add support for zx296718
  soc: zte: pm_domains: Prepare for supporting ARMv8 zx2967 family
  soc: zte: Add header for PM domains specifiers
  MAINTAINERS: add zx2967 SoC drivers to ARM ZTE architecture
  dt-bindings: zte: add bindings document for zx2967 power domain controller

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 21:17:24 -08:00
Olof Johansson
874767e52c Just a single wkup_m3_ipc clean-up for v4.11 merge window.
We don't currently have anything else for drivers/soc to
 merge, but I'd expect that to change as soon as we can start
 moving PM code into drivers with the recently posted SRAM
 changes. Anyways, sent as a separate pull request to make
 it easy to group the ARM SoC pull requests.
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Merge tag 'omap-for-v4.11/drivers-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers

Just a single wkup_m3_ipc clean-up for v4.11 merge window.
We don't currently have anything else for drivers/soc to
merge, but I'd expect that to change as soon as we can start
moving PM code into drivers with the recently posted SRAM
changes. Anyways, sent as a separate pull request to make
it easy to group the ARM SoC pull requests.

* tag 'omap-for-v4.11/drivers-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  soc: ti: wkup_m3_ipc: Drop wait from wkup_m3_rproc_boot_thread

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 17:16:17 -08:00
Olof Johansson
5f1223c5b0 Couple of minor cleanups for Navigator drivers for 4.11
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Merge tag 'keystone_soc_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers

Couple of minor cleanups for Navigator drivers for 4.11

* tag 'keystone_soc_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  soc: ti: knav: cleanup includes and sort header files
  soc: ti: knav_dma: fix typos in trace message

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 14:47:22 -08:00
Olof Johansson
61c5e4927b Some extensions to the power-domain driver to support domains in
hiword registers (write-mask in upper 16bit) and domain-definitions
 for the rk3328 soc.
 
 Secondly a "driver" that attaches to the already existing grf nodes
 and is able to set static defaults for settings that cannot really
 be attached to any specific subsystem.
 Most GRF settings can already be set from drivers using them, but there
 are some behavioural settings like the mmc/jtag switch that cannot.
 
 As the commit message states this is really meant as a last line
 of defence for things that neither belong to a subsystem nor to the
 
 Having this here allows arm64 socs to have this as well and also
 moves another bit of code out of the arm32 mach-rockchip.
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Merge tag 'v4.11-armsoc-drivers1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Some extensions to the power-domain driver to support domains in
hiword registers (write-mask in upper 16bit) and domain-definitions
for the rk3328 soc.

Secondly a "driver" that attaches to the already existing grf nodes
and is able to set static defaults for settings that cannot really
be attached to any specific subsystem.
Most GRF settings can already be set from drivers using them, but there
are some behavioural settings like the mmc/jtag switch that cannot.

As the commit message states this is really meant as a last line
of defence for things that neither belong to a subsystem nor to the

Having this here allows arm64 socs to have this as well and also
moves another bit of code out of the arm32 mach-rockchip.

* tag 'v4.11-armsoc-drivers1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: rockchip: drop rk3288 jtag/mmc switch handling
  soc: rockchip: add driver handling grf setup
  dt-bindings: add used but undocumented rockchip grf compatible values
  soc: rockchip: power-domain: add power domain support for rk3328
  dt-bindings: add binding for rk3328 power domains
  dt-bindings: power: add RK3328 SoCs header for idle-request
  soc: rockchip: power-domain: Support domain control in hiword-registers

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-01-29 14:32:07 -08:00
Bhumika Goyal
f2591b993e soc: dove: constify reset_control_ops structures
Declare reset_control_ops as const as they are only stored in the ops
field of a reset_controller_dev structure. This field is of type const
struct reset_control_ops *, so reset_control_ops structures having this
property can be declared as const.
Done using Coccinelle:

@r1 disable optional_qualifier@
identifier i;
position p;
@@
static struct reset_control_ops i@p={...};

@ok1@
identifier r1.i;
position p;
struct reset_controller_dev x;
@@
x.ops=&i@p;

@bad@
position p!={r1.p,ok1.p};
identifier r1.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
+const
struct reset_control_ops i;

File size before: drivers/soc/dove/pmu.o
   text	   data	    bss	    dec	    hex	filename
   2447	    112	     16	   2575	    a0f	drivers/soc/dove/pmu.o

File size after: drivers/soc/dove/pmu.o
   text	   data	    bss	    dec	    hex	filename
   2479	     80	     16	   2575	    a0f	drivers/soc/dove/pmu.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2017-01-27 17:52:57 +01:00
Krzysztof Kozlowski
ee55ae6194 soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
The register ARM_L2_OPTION (0x2608 in Exynos4 and Exynos5 PMU) was
defined twice.  Both names were used in the Exynos542x code.  Simplify
this.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-27 11:32:31 +02:00
Chanwoo Choi
6bce1974f6 soc: samsung: pm_domains: Add new Exynos5433 compatible
Add a new compatible string for Exynos5433 because it uses the 0xf
value instead of 0x7 for domain on/off registers.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-27 09:38:54 +02:00
Marek Szyprowski
fa59aa7090 soc: samsung: pmu: Add dummy support for Exynos5433 SoC
Add compatible for Exynos5433 SoC, so the driver will bind and let other
drivers to use PMU regmap.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-26 21:50:56 +02:00
Marek Szyprowski
1da6de33e4 soc: samsung: pmu: Remove messages for failed memory allocation
Memory subsystem already prints message about failed memory
allocation, there is no need to do it in the driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-20 18:37:27 +02:00
Marek Szyprowski
ec7cc5b15e soc: samsung: pmu: Use of_device_get_match_data helper
Replace custom code with generic helper to retrieve driver data.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-20 18:37:13 +02:00
Marek Szyprowski
76640b84bd soc: samsung: pmu: Provide global function to get PMU regmap
PMU is something like a SoC wide service, so add a helper function to get
PMU regmap. This will be used by other Exynos device drivers. This way it
can be avoided to model this dependency in device tree (as phandles to PMU
node) for almost every device in the SoC.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2017-01-20 18:35:36 +02:00
Wei Yongjun
36b29eb30e soc: ti: wkup_m3_ipc: Fix error return code in wkup_m3_ipc_probe()
Fix to return a negative error code from the kthread_run() error
handling case instead of 0, as done elsewhere in this function.

Fixes: cdd5de500b ("soc: ti: Add wkup_m3_ipc driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-01-12 13:37:49 -08:00
Baoyou Xie
3755584a91 soc: zte: pm_domains: Add support for zx296718
This patch introduces the power domain driver of zx296718
which belongs to zte's zx2967 family.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-01-11 16:21:14 +08:00
Baoyou Xie
4c2c2e3971 soc: zte: pm_domains: Prepare for supporting ARMv8 zx2967 family
The ARMv8 zx2967 family (296718, 296716 etc) uses different value
for controlling the power domain on/off registers, Choose the
value depending on the compatible.

Multiple domains are prepared for the family, this patch prepares
the common functions.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-01-11 16:21:10 +08:00
Murali Karicheri
6e03f653e3 soc: ti: knav: cleanup includes and sort header files
This patch cleanup the code to remove unnecessary header files and
also sort the header files.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-01-06 11:05:45 -08:00
Murali Karicheri
4ee34aae41 soc: ti: knav_dma: fix typos in trace message
This patch fixes some typos in the trace message

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-01-06 11:05:45 -08:00
Sarangdhar Joshi
36cc9fd9ce soc: ti: wkup_m3_ipc: Drop wait from wkup_m3_rproc_boot_thread
The function wkup_m3_rproc_boot_thread waits for asynchronous
firmware loading to parse the resource table before calling
rproc_boot(). However, as the resource table parsing has been
moved to rproc_boot(), there's no need to wait for the
asynchronous firmware loading completion.  So, drop this.

CC: Dave Gerlach <d-gerlach@ti.com>
CC: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Sarangdhar Joshi <spjoshi@codeaurora.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-01-06 08:37:39 -08:00
Heiko Stuebner
4c58063d42 soc: rockchip: add driver handling grf setup
The General Register Files are an area of registers containing a lot
of single-bit settings for numerous components as well full components
like usbphy control. Therefore all used components are accessed
via the syscon provided by the grf nodes or from the sub-devices
created through the simple-mfd created from the grf node.

Some settings are not used by anything but will need to be set up
according to expectations on the kernel side.

Best example is the force_jtag setting, which defaults to on and
results in the soc switching the pin-outputs between jtag and sdmmc
automatically depending on the card-detect status. This conflicts
heavily with how the dw_mmc driver expects to do its work and also
with the clock-controller, which has most likely deactivated the
jtag clock due to it being unused.

So far the handling of this setting was living in the mach-rockchip
code for the arm32-based rk3288 but that of course doesn't work
for arm64 socs and would also look ugly for further arm32 socs.

Also always disabling this setting is quite specific to linux and
its subsystems, other operating systems might prefer other settings,
so that the bootloader cannot really set a sane default for all.

So introduce a top-level driver for the grf that handles these
settings that need to be a certain way but nobody cares about.

Other needed settings might surface in the future and can then
be added here, but only as a last option. Ideally general GRF
settings should be handled in the driver needing them.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
2017-01-06 10:28:19 +01:00
Elaine Zhang
e9284603d8 soc: rockchip: power-domain: add power domain support for rk3328
The rk3328 uses the newly introduced support for power-domain control
in hiword-mask registers.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2017-01-05 14:35:09 +01:00
Elaine Zhang
79bb17ce8e soc: rockchip: power-domain: Support domain control in hiword-registers
New Rockchips SoCs may have their power-domain control in registers
using a writemask-based access scheme (upper 16bit being the write
mask). So add a DOMAIN_M type and handle this case accordingly.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2017-01-05 14:29:55 +01:00
Linus Torvalds
de399813b5 powerpc updates for 4.10
Highlights include:
 
  - Support for the kexec_file_load() syscall, which is a prereq for secure and
    trusted boot.
 
  - Prevent kernel execution of userspace on P9 Radix (similar to SMEP/PXN).
 
  - Sort the exception tables at build time, to save time at boot, and store
    them as relative offsets to save space in the kernel image & memory.
 
  - Allow building the kernel with thin archives, which should allow us to build
    an allyesconfig once some other fixes land.
 
  - Build fixes to allow us to correctly rebuild when changing the kernel endian
    from big to little or vice versa.
 
  - Plumbing so that we can avoid doing a full mm TLB flush on P9 Radix.
 
  - Initial stack protector support (-fstack-protector).
 
  - Support for dumping the radix (aka. Linux) and hash page tables via debugfs.
 
  - Fix an oops in cxl coredump generation when cxl_get_fd() is used.
 
  - Freescale updates from Scott: "Highlights include 8xx hugepage support,
    qbman fixes/cleanup, device tree updates, and some misc cleanup."
 
  - Many and varied fixes and minor enhancements as always.
 
 Thanks to:
   Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anshuman Khandual,
   Anton Blanchard, Balbir Singh, Bartlomiej Zolnierkiewicz, Christophe Jaillet,
   Christophe Leroy, Denis Kirjanov, Elimar Riesebieter, Frederic Barrat,
   Gautham R. Shenoy, Geliang Tang, Geoff Levand, Jack Miller, Johan Hovold,
   Lars-Peter Clausen, Libin, Madhavan Srinivasan, Michael Neuling, Nathan
   Fontenot, Naveen N. Rao, Nicholas Piggin, Pan Xinhui, Peter Senna Tschudin,
   Rashmica Gupta, Rui Teng, Russell Currey, Scott Wood, Simon Guo, Suraj
   Jitindar Singh, Thiago Jung Bauermann, Tobias Klauser, Vaibhav Jain.
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Merge tag 'powerpc-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Highlights include:

   - Support for the kexec_file_load() syscall, which is a prereq for
     secure and trusted boot.

   - Prevent kernel execution of userspace on P9 Radix (similar to
     SMEP/PXN).

   - Sort the exception tables at build time, to save time at boot, and
     store them as relative offsets to save space in the kernel image &
     memory.

   - Allow building the kernel with thin archives, which should allow us
     to build an allyesconfig once some other fixes land.

   - Build fixes to allow us to correctly rebuild when changing the
     kernel endian from big to little or vice versa.

   - Plumbing so that we can avoid doing a full mm TLB flush on P9
     Radix.

   - Initial stack protector support (-fstack-protector).

   - Support for dumping the radix (aka. Linux) and hash page tables via
     debugfs.

   - Fix an oops in cxl coredump generation when cxl_get_fd() is used.

   - Freescale updates from Scott: "Highlights include 8xx hugepage
     support, qbman fixes/cleanup, device tree updates, and some misc
     cleanup."

   - Many and varied fixes and minor enhancements as always.

  Thanks to:
    Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anshuman
    Khandual, Anton Blanchard, Balbir Singh, Bartlomiej Zolnierkiewicz,
    Christophe Jaillet, Christophe Leroy, Denis Kirjanov, Elimar
    Riesebieter, Frederic Barrat, Gautham R. Shenoy, Geliang Tang, Geoff
    Levand, Jack Miller, Johan Hovold, Lars-Peter Clausen, Libin,
    Madhavan Srinivasan, Michael Neuling, Nathan Fontenot, Naveen N.
    Rao, Nicholas Piggin, Pan Xinhui, Peter Senna Tschudin, Rashmica
    Gupta, Rui Teng, Russell Currey, Scott Wood, Simon Guo, Suraj
    Jitindar Singh, Thiago Jung Bauermann, Tobias Klauser, Vaibhav Jain"

[ And thanks to Michael, who took time off from a new baby to get this
  pull request done.   - Linus ]

* tag 'powerpc-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (174 commits)
  powerpc/fsl/dts: add FMan node for t1042d4rdb
  powerpc/fsl/dts: add sg_2500_aqr105_phy4 alias on t1024rdb
  powerpc/fsl/dts: add QMan and BMan nodes on t1024
  powerpc/fsl/dts: add QMan and BMan nodes on t1023
  soc/fsl/qman: test: use DEFINE_SPINLOCK()
  powerpc/fsl-lbc: use DEFINE_SPINLOCK()
  powerpc/8xx: Implement support of hugepages
  powerpc: get hugetlbpage handling more generic
  powerpc: port 64 bits pgtable_cache to 32 bits
  powerpc/boot: Request no dynamic linker for boot wrapper
  soc/fsl/bman: Use resource_size instead of computation
  soc/fsl/qe: use builtin_platform_driver
  powerpc/fsl_pmc: use builtin_platform_driver
  powerpc/83xx/suspend: use builtin_platform_driver
  powerpc/ftrace: Fix the comments for ftrace_modify_code
  powerpc/perf: macros for power9 format encoding
  powerpc/perf: power9 raw event format encoding
  powerpc/perf: update attribute_group data structure
  powerpc/perf: factor out the event format field
  powerpc/mm/iommu, vfio/spapr: Put pages on VFIO container shutdown
  ...
2016-12-16 09:26:42 -08:00
Linus Torvalds
991688bfc6 ARM: SoC driver updates for v4.10
Driver updates for ARM SoCs, including a couple of newly added drivers:
 
 - A new driver for the power management controller on TI Keystone
 - Support for the prerelease "SCPI" firmware protocol that ended up
   being shipped by Amlogic in their GXBB SoC.
 - A soc_device can now be matched using a glob from inside the
   kernel, when another driver wants to know the specific chip
   it is running on and cannot find out from DT, firmware or hardware.
 - Renesas SoCs now support identification through the soc_device
   interface, both in user space and kernel.
 - Renesas r8a7743 and r8a7745 gain support for their system controller
 - A new checking module for the ARM "PSCI" (not to be confused
   with "SCPI" mentioned above) firmware interface.
 - A new driver for the Tegra GMI memory interface
 - Support for the Tegra firmware interfaces with their
   power management controllers
 
 As usual, the updates for the reset controller framework are merged
 here, as they tend to touch multiple SoCs as well, including a new
 driver for the Oxford (now Broadcom) OX820 chip and the Tegra
 bpmp interface.
 
 The existing drivers for Atmel, Qualcomm, NVIDIA, TI Davinci, and
 Rockchips SoCs see some further updates.
 
 Conflicts:
 - ARCH_RENESAS now selects SOC_BUS, but no longer needs GPIOLIB
 - drivers/soc/renesas/Makefile: multiple files got added, keep
   all in logical sorting
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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:
 "Driver updates for ARM SoCs, including a couple of newly added
  drivers:

   - A new driver for the power management controller on TI Keystone

   - Support for the prerelease "SCPI" firmware protocol that ended up
     being shipped by Amlogic in their GXBB SoC.

   - A soc_device can now be matched using a glob from inside the
     kernel, when another driver wants to know the specific chip it is
     running on and cannot find out from DT, firmware or hardware.

   - Renesas SoCs now support identification through the soc_device
     interface, both in user space and kernel.

   - Renesas r8a7743 and r8a7745 gain support for their system
     controller

   - A new checking module for the ARM "PSCI" (not to be confused with
     "SCPI" mentioned above) firmware interface.

   - A new driver for the Tegra GMI memory interface

   - Support for the Tegra firmware interfaces with their power
     management controllers

  As usual, the updates for the reset controller framework are merged
  here, as they tend to touch multiple SoCs as well, including a new
  driver for the Oxford (now Broadcom) OX820 chip and the Tegra bpmp
  interface.

  The existing drivers for Atmel, Qualcomm, NVIDIA, TI Davinci, and
  Rockchips SoCs see some further updates"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (76 commits)
  misc: sram: remove useless #ifdef
  drivers: psci: Allow PSCI node to be disabled
  drivers: psci: PSCI checker module
  soc: renesas: Identify SoC and register with the SoC bus
  firmware: qcom: scm: Return PTR_ERR when devm_clk_get fails
  firmware: qcom: scm: Remove core, iface and bus clocks dependency
  dt-bindings: firmware: scm: Add MSM8996 DT bindings
  memory: da8xx-ddrctl: drop the call to of_flat_dt_get_machine_name()
  bus: da8xx-mstpri: drop the call to of_flat_dt_get_machine_name()
  ARM: shmobile: Document DT bindings for Product Register
  soc: renesas: rcar-sysc: add R8A7745 support
  reset: Add Tegra BPMP reset driver
  dt-bindings: firmware: Allow child nodes inside the Tegra BPMP
  dt-bindings: Add power domains to Tegra BPMP firmware
  firmware: tegra: Add BPMP support
  firmware: tegra: Add IVC library
  dt-bindings: firmware: Add bindings for Tegra BPMP
  mailbox: tegra-hsp: Use after free in tegra_hsp_remove_doorbells()
  mailbox: Add Tegra HSP driver
  firmware: arm_scpi: add support for pre-v1.0 SCPI compatible
  ...
2016-12-15 16:03:25 -08:00
Linus Torvalds
3ec5e8d82b ARM: SoC non-urgent fixes for v4.10
As usual, we queue up a few fixes that don't seem urgent enough to go in
 through -rc, or that just came a little too late given their size.
 
 The zx fixes make the platform finally boot on real hardware, the
 davinci and imx31 get the DT support working better for some of
 the machines that are still normally used with classic board files.
 One tegra fix is important for new bootloader versions, but the
 bug has been around for a while without anyone noticing.
 
 The other changes are mostly cosmetic.
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-urgent fixes from Arnd Bergmann:
 "As usual, we queue up a few fixes that don't seem urgent enough to go
  in through -rc, or that just came a little too late given their size.

  The zx fixes make the platform finally boot on real hardware, the
  davinci and imx31 get the DT support working better for some of the
  machines that are still normally used with classic board files. One
  tegra fix is important for new bootloader versions, but the bug has
  been around for a while without anyone noticing.

  The other changes are mostly cosmetic"

* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
  arm64: tegra: Add missing Smaug revision
  arm64: tegra: Add VDD_GPU regulator to Jetson TX1
  arm64: dts: zte: clean up gic-v3 redistributor properties
  arm64: dts: zx: Fix gic GICR property
  bus: vexpress-config: fix device reference leak
  soc: ti: qmss: fix the case when !SMP
  ARM: lpc32xx: drop duplicate header device.h
  ARM: ixp4xx: drop duplicate header gpio.h
  ARM: socfpga: fix spelling mistake in error message
  ARM: dts: imx6q-cm-fx6: fix fec pinctrl
  ARM: dts: imx7d-pinfunc: fix UART pinmux defines
  ARM: dts: imx6qp: correct LDB clock inputs
  ARM: OMAP2+: pm-debug: Use seq_putc() in two functions
  ARM: OMAP2+: Remove the omapdss_early_init_of() function
  mfd: tps65217: Fix mismatched interrupt number
  ARM: zx: Fix error handling
  ARM: spear: Fix error handling
  ARM: davinci: da850: Fix pwm name matching
  ARM: clk: imx31: properly init clocks for machines with DT
  clk: imx31: fix rewritten input argument of mx31_clocks_init()
  ...
2016-12-15 15:15:13 -08:00
Linus Torvalds
b8d2798f32 This is a fairly quiet release. We don't have any patches to the core
framework. The only patch that can even be considered "core" adds another
 clk_get() variant. The rest of the changes are in drivers for various SoCs, and
 we have a few bits for ARM shmobile architecture code (dts and mach) due to the
 dependency we're breaking between shmobile architecture code and its clk
 driver. Those shmobile bits have also been pulled into arm-soc tree. Here's the
 summary:
 
 Core:
 
  - Support for devm_get_clk_from_child() used with DT bindings that have
    subnodes with the 'clocks' property
 
 New Drivers:
 
  - Allwinner A64 (sun50i)
  - i.MX imx6ull
  - Socionext's UniPhier SoC CPUs
  - Mediatek MT2701 SoCs
  - Rockchip rk1108 SoCs
  - Qualcomm MSM8994/MSM8992 SoCS
  - Qualcomm RPM Clocks
  - Hisilicon Hi3516CV300 and Hi3798CV200 CRG
  - Oxford Semiconductor OX820 and OX810SE SoCs
  - Renesas RZ/G1M and RZ/GIE SoCs
  - Renesas R-Car RST driver for mode pin states
 
 Updates:
 
  - Four Allwinner SoCs are migrated to the new style clk driver
  - Rockchip rk3399,rk3066 PLL optimizations
  - i.MX LVDS display glitch fixes and AV PLL precision improvements
  - Qualcomm MSM8996 GPU GDSCs, hw controlled GDSCs, and Alpha PLL support
  - Explicit demodularization of always builtin drivers
  - Freescale Qoriq ls1012a and ls1046a support
  - Exynos 5433 parent typo fix and critical clock tagging
  - Renesas r8a7743/r8a7745 CPG
  - Renesas R-Car M3-W CSI2/VIN/SYS-DMAC/(H)SCIF/I2C/DRIF/gfx support
  - stm32f4* LSI, LSE, RTC, and QSPI clocks
  - pxa27x and pxa25x cpufreq as clks
  - TI omap36xx sprz319 advisory 2.1 workaround
  - Broadcom bcm2835 rate change propogation to PLLH_AUX from VEC
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This is a fairly quiet release. We don't have any patches to the core
  framework. The only patch that can even be considered "core" adds
  another clk_get() variant. The rest of the changes are in drivers for
  various SoCs, and we have a few bits for ARM shmobile architecture
  code (dts and mach) due to the dependency we're breaking between
  shmobile architecture code and its clk driver. Those shmobile bits
  have also been pulled into arm-soc tree. Here's the summary:

  Core:

   - Support for devm_get_clk_from_child() used with DT bindings that
     have subnodes with the 'clocks' property

  New Drivers:

   - Allwinner A64 (sun50i)
   - i.MX imx6ull
   - Socionext's UniPhier SoC CPUs
   - Mediatek MT2701 SoCs
   - Rockchip rk1108 SoCs
   - Qualcomm MSM8994/MSM8992 SoCS
   - Qualcomm RPM Clocks
   - Hisilicon Hi3516CV300 and Hi3798CV200 CRG
   - Oxford Semiconductor OX820 and OX810SE SoCs
   - Renesas RZ/G1M and RZ/GIE SoCs
   - Renesas R-Car RST driver for mode pin states

  Updates:

   - Four Allwinner SoCs are migrated to the new style clk driver
   - Rockchip rk3399,rk3066 PLL optimizations
   - i.MX LVDS display glitch fixes and AV PLL precision improvements
   - Qualcomm MSM8996 GPU GDSCs, hw controlled GDSCs, and Alpha PLL
     support
   - Explicit demodularization of always builtin drivers
   - Freescale Qoriq ls1012a and ls1046a support
   - Exynos 5433 parent typo fix and critical clock tagging
   - Renesas r8a7743/r8a7745 CPG
   - Renesas R-Car M3-W CSI2/VIN/SYS-DMAC/(H)SCIF/I2C/DRIF/gfx support
   - stm32f4* LSI, LSE, RTC, and QSPI clocks
   - pxa27x and pxa25x cpufreq as clks
   - TI omap36xx sprz319 advisory 2.1 workaround
   - Broadcom bcm2835 rate change propogation to PLLH_AUX from VEC"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (150 commits)
  clk: bcm: Fix 'maybe-uninitialized' warning in bcm2835_clock_choose_div_and_prate()
  clk: add devm_get_clk_from_child() API
  clk: st: clk-flexgen: Unmap region obtained by of_iomap
  clk: keystone: pll: Unmap region obtained by of_iomap
  clk:mmp:clk-of-mmp2: Free memory and Unmap region obtained by kzalloc and of_iomap
  clk:mmp:clk-of-pxa910: Free memory and Unmap region obtained by kzmalloc and of_iomap
  clk: mmp: clk-of-pxa1928: Free memory obtained by kzalloc
  clk: cdce925: Fix limit check
  clk: bcm: Make COMMON_CLK_IPROC into a library
  clk: qoriq: added ls1012a clock configuration
  clk: ti: dra7: fix "failed to lookup clock node gmac_gmii_ref_clk_div" boot message
  clk: bcm: Allow rate change propagation to PLLH_AUX on VEC clock
  clk: bcm: Support rate change propagation on bcm2835 clocks
  clk: bcm2835: Avoid overwriting the div info when disabling a pll_div clk
  clk: ti: omap36xx: Work around sprz319 advisory 2.1
  clk: clk-wm831x: fix a logic error
  clk: uniphier: add cpufreq data for LD11, LD20 SoCs
  clk: uniphier: add CPU-gear change (cpufreq) support
  clk: qcom: Put venus core0/1 gdscs to hw control mode
  clk: qcom: gdsc: Add support for gdscs with HW control
  ...
2016-12-13 08:54:27 -08:00
Linus Torvalds
5233c331cf It's been an busy period for mmc. Quite some changes in the mmc core, two new
mmc host drivers, some existing drivers being extended to support new IP
 versions and lots of other updates.
 
 MMC core:
  - Delete eMMC packed command support
  - Introduce mmc_abort_tuning() to enable eMMC tuning to fail gracefully
  - Introduce mmc_can_retune() to see if a host can be retuned
  - Re-work and improve the sequence when sending a CMD6 for mmc
  - Enable CDM13 polling when switching to HS and HS DDR mode for mmc
  - Relax checking for CMD6 errors after switch to HS200
  - Re-factoring the code dealing with the mmc block queue
  - Recognize whether the eMMC card supports CMDQ
  - Fix 4K native sector check
  - Don't power off the card when starting the host
  - Increase MMC_IOC_MAX_BYTES to support bigger firmware binaries
  - Improve error handling and drop meaningless BUG_ONs()
  - Lots of clean-ups and changes to improve the quality of the code
 
 MMC host:
  - sdhci: Fix tuning sequence and clean-up the related code
  - sdhci: Add support to via DT override broken SDHCI cap register bits
  - sdhci-cadence: Add new driver for Cadence SD4HC SDHCI variant
  - sdhci-msm: Update clock management
  - sdhci-msm: Add support for eMMC HS400 mode
  - sdhci-msm: Deploy runtime/system PM support
  - sdhci-iproc: Extend driver support to newer IP versions
  - sdhci-pci: Add support for Intel GLK
  - sdhci-pci: Add support for Intel NI byt sdio
  - sdhci-acpi: Add support for 80860F14 UID 2 SDIO bus
  - sdhci: Lots of various small improvements and clean-ups
  - tmio: Add support for tuning
  - sh_mobile_sdhi: Add support for tuning
  - sh_mobile_sdhi: Extend driver to support SDHI IP on R7S72100 SoC
  - sh_mobile_sdhi: remove support for sh7372
  - davinci: Use mmc_of_parse() to enable generic mmc DT bindings
  - meson: Add new driver to support GX platforms
  - dw_mmc: Deploy generic runtime/system PM support
  - dw_mmc: Lots of various small improvements
 
 As a part of the mmc changes this time, I have also pulled in an immutable
 branch/tag (soc-device-match-tag1) hosted by Geert Uytterhoeven, to share the
 implementation of the new soc_device_match() interface. This is needed by the
 below mmc related changes:
  - mmc: sdhci-of-esdhc: Get correct IP version for T4240-R1.0-R2.0
  - soc: fsl: add GUTS driver for QorIQ platforms
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Merge tag 'mmc-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "It's been an busy period for mmc. Quite some changes in the mmc core,
  two new mmc host drivers, some existing drivers being extended to
  support new IP versions and lots of other updates.

  MMC core:
   - Delete eMMC packed command support
   - Introduce mmc_abort_tuning() to enable eMMC tuning to fail
     gracefully
   - Introduce mmc_can_retune() to see if a host can be retuned
   - Re-work and improve the sequence when sending a CMD6 for mmc
   - Enable CDM13 polling when switching to HS and HS DDR mode for mmc
   - Relax checking for CMD6 errors after switch to HS200
   - Re-factoring the code dealing with the mmc block queue
   - Recognize whether the eMMC card supports CMDQ
   - Fix 4K native sector check
   - Don't power off the card when starting the host
   - Increase MMC_IOC_MAX_BYTES to support bigger firmware binaries
   - Improve error handling and drop meaningless BUG_ONs()
   - Lots of clean-ups and changes to improve the quality of the code

  MMC host:
   - sdhci: Fix tuning sequence and clean-up the related code
   - sdhci: Add support to via DT override broken SDHCI cap register
     bits
   - sdhci-cadence: Add new driver for Cadence SD4HC SDHCI variant
   - sdhci-msm: Update clock management
   - sdhci-msm: Add support for eMMC HS400 mode
   - sdhci-msm: Deploy runtime/system PM support
   - sdhci-iproc: Extend driver support to newer IP versions
   - sdhci-pci: Add support for Intel GLK
   - sdhci-pci: Add support for Intel NI byt sdio
   - sdhci-acpi: Add support for 80860F14 UID 2 SDIO bus
   - sdhci: Lots of various small improvements and clean-ups
   - tmio: Add support for tuning
   - sh_mobile_sdhi: Add support for tuning
   - sh_mobile_sdhi: Extend driver to support SDHI IP on R7S72100 SoC
   - sh_mobile_sdhi: remove support for sh7372
   - davinci: Use mmc_of_parse() to enable generic mmc DT bindings
   - meson: Add new driver to support GX platforms
   - dw_mmc: Deploy generic runtime/system PM support
   - dw_mmc: Lots of various small improvements

  As a part of the mmc changes this time, I have also pulled in an
  immutable branch/tag (soc-device-match-tag1) hosted by Geert
  Uytterhoeven, to share the implementation of the new
  soc_device_match() interface. This is needed by these mmc related
  changes:

   - mmc: sdhci-of-esdhc: Get correct IP version for T4240-R1.0-R2.0
   - soc: fsl: add GUTS driver for QorIQ platforms"

* tag 'mmc-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (136 commits)
  mmc: sdhci-cadence: add Cadence SD4HC support
  mmc: sdhci: export sdhci_execute_tuning()
  mmc: sdhci: Tidy tuning loop
  mmc: sdhci: Simplify tuning block size logic
  mmc: sdhci: Factor out tuning helper functions
  mmc: sdhci: Use mmc_abort_tuning()
  mmc: mmc: Introduce mmc_abort_tuning()
  mmc: sdhci: Always allow tuning to fall back to fixed sampling
  mmc: sdhci: Fix tuning reset after exhausting the maximum number of loops
  mmc: sdhci: Fix recovery from tuning timeout
  Revert "mmc: sdhci: Reset cmd and data circuits after tuning failure"
  mmc: mmc: Relax checking for switch errors after HS200 switch
  mmc: sdhci-acpi: support 80860F14 UID 2 SDIO bus
  mmc: sdhci-of-at91: remove bogus MMC_SDHCI_IO_ACCESSORS select
  mmc: sdhci-pci: Use ACPI to get max frequency for Intel NI byt sdio
  mmc: sdhci-pci: Add PCI ID for Intel NI byt sdio
  mmc: sdhci-s3c: add spin_unlock_irq() before calling clk_round_rate
  mmc: dw_mmc: display the clock message only one time when card is polling
  mmc: dw_mmc: add the debug message for polling and non-removable
  mmc: dw_mmc: check the "present" variable before checking flags
  ...
2016-12-13 08:34:11 -08:00
Fabian Frederick
39e7ac1bcf soc/fsl/qman: test: use DEFINE_SPINLOCK()
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-12-09 23:08:52 -06:00
Wei Yongjun
d754442416 soc/fsl/bman: Use resource_size instead of computation
Use resource_size function on resource object
instead of explicit computation.

Generated by: scripts/coccinelle/api/resource_size.cocci

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-12-04 19:54:40 -06:00
Geliang Tang
c9492b4bea soc/fsl/qe: use builtin_platform_driver
Use builtin_platform_driver() helper to simplify the code.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-12-04 19:52:45 -06:00
Sebastian Andrzej Siewior
1f759d328f soc/fsl/qbman: Convert to hotplug state machine
Install the callbacks via the state machine.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Scott Wood <oss@buserror.net>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>
Cc: rt@linutronix.de
Cc: Roy Pledge <roy.pledge@nxp.com>
Link: http://lkml.kernel.org/r/20161126231350.10321-21-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-02 00:52:40 +01:00
Sebastian Andrzej Siewior
fce77c3562 soc/fsl/qbman: Convert to hotplug state machine
Install the callbacks via the state machine.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Scott Wood <oss@buserror.net>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>
Cc: rt@linutronix.de
Cc: Roy Pledge <roy.pledge@nxp.com>
Link: http://lkml.kernel.org/r/20161126231350.10321-20-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-12-02 00:52:39 +01:00
Grygorii Strashko
920f8bf7f3 soc: ti: qmss: fix the case when !SMP
The irq_set_affinity_hint() will always fail when !SMP and
Networking will fail on Keystone 2 devices in this case.
Hence, fix by ignoring IRQ affinity settings when !SMP.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-11-30 22:10:23 +01:00
Arnd Bergmann
bc28ba81db Renesas ARM Based SoC Match Updates for v4.10
* Identify SoC and register with the SoC bus
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Merge tag 'renesas-soc-match-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Merge "Renesas ARM Based SoC Match Updates for v4.10" from Simon Horman:

* Identify SoC and register with the SoC bus

* tag 'renesas-soc-match-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: Identify SoC and register with the SoC bus
  ARM: shmobile: Document DT bindings for Product Register

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-11-30 16:49:22 +01:00
Arnd Bergmann
d319fc6dc1 Renesas ARM Based SoC r8a7745 SYSC Driver Updates for v4.10
* Add support for the r8a7745 SoC to rcar-sysc
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Merge tag 'renesas-r8a7745-sysc-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Pull "Renesas ARM Based SoC r8a7745 SYSC Driver Updates for v4.10" from Simon Horman:

* Add support for the r8a7745 SoC to rcar-sysc

* tag 'renesas-r8a7745-sysc-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: add R8A7745 support
  ARM: shmobile: r8a7745: add power domain index macros

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-11-30 16:39:48 +01:00
Sudeep Holla
34c1c21e94 soc: fsl: fix section mismatch build warnings
We get the following warning with the driver is compiled in:

WARNING: modpost: Found 1 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'

With CONFIG_DEBUG_SECTION_MISMATCH enabled, the details are reported:

WARNING: vmlinux.o(.text+0x55d014): Section mismatch in reference from the
function fsl_guts_probe() to the function
.init.text:of_flat_dt_get_machine_name()
The function fsl_guts_probe() references
the function __init of_flat_dt_get_machine_name().
This is often because fsl_guts_probe lacks a __init
annotation or the annotation of of_flat_dt_get_machine_name is wrong.

This patch fixes the issue by using the normal DT/OF API rather than
the of_flat_* one.

Cc: Scott Wood <oss@buserror.net>
Cc: Yangbo Lu <yangbo.lu@nxp.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-11-29 09:20:14 +01:00
yangbo lu
a6fc3b6981 soc: fsl: add GUTS driver for QorIQ platforms
The global utilities block controls power management, I/O device
enabling, power-onreset(POR) configuration monitoring, alternate
function selection for multiplexed signals,and clock control.

This patch adds a driver to manage and access global utilities block.
Initially only reading SVR and registering soc device are supported.
Other guts accesses, such as reading RCW, should eventually be moved
into this driver as well.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-11-29 09:17:20 +01:00
Claudiu Manoil
1805882276 soc/qman: Handle endianness of h/w descriptors
The hardware descriptors have big endian (BE) format.
Provide proper endianness handling for the remaining
descriptor fields, to ensure they are correctly
accessed by non-BE CPUs too.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 21:01:25 -06:00
Geert Uytterhoeven
8d6799a9ba soc: renesas: Identify SoC and register with the SoC bus
Identify the SoC type and revision, and register this information with
the SoC bus, so it is available under /sys/devices/soc0/, and can be
checked where needed using soc_device_match().

Identification is done using the Product Register or Common Chip Code
Register, as declared in DT (PRR only for now), or using a hardcoded
fallback if missing.

Example:

    Detected Renesas R-Car Gen2 r8a7791 ES1.0
    ...
    # cat /sys/devices/soc0/{machine,family,soc_id,revision}
    Koelsch
    R-Car Gen2
    r8a7791
    ES1.0

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-23 20:22:21 +01:00
Sergei Shtylyov
141723e0cb soc: renesas: rcar-sysc: add R8A7745 support
Add support for RZ/G1E (R8A7745) SoC power areas to the R-Car SYSC driver.

Based on the original (and large) patch by Dmitry Shifrin
<dmitry.shifrin@cogentembedded.com>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-11-23 14:28:41 +01:00
Claudiu Manoil
496bfa11de soc/qman: Clean up CGR CSCN target update operations
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:49 -06:00
Claudiu Manoil
efe848cdb7 soc/qman: Change remaining contextB into context_b
There are multiple occurences of both contextB and context_b
in different h/w descriptors, referring to the same descriptor
field known as "Context B". Stick with the "context_b" naming,
for obvious reasons including consistency (see also context_a).

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:48 -06:00
Claudiu Manoil
5a42f1ecb3 soc/qbman: Handle endianness of qm/bm_in/out()
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:48 -06:00
Claudiu Manoil
b539945286 soc/qman: Drop unused field from eqcr/dqrr descriptors
ORP ("Order Restoration Point") mechanism not supported.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:47 -06:00
Claudiu Manoil
d6753c7e65 soc/qman: Fix accesses to fqid, cleanup
Preventively mask every access to the 'fqid' h/w field,
since it is defined as a 24-bit field, for every h/w
descriptor.  Add generic accessors for this field to
ensure correct access.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:46 -06:00
Claudiu Manoil
7ff07da015 soc/qman: Remove unused struct qm_mcc* layouts
1. qm_mcc_querywq layout not used for now, so drop it;
2. queryfq, queryfq_np and alterfq are used only for accesses to
   the 'fqid' field, so replace these with a generic 'fq' layout.
   As a consequence, 'querycgr' turns into 'cgr' following the
   same reasoning above and for consistent naming.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:46 -06:00
Claudiu Manoil
e5caf693ac soc/qman: Remove redundant checks from qman_create_cgr()
opts is checked redundantly.
Move local_opts declaration inside its usage scope.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:45 -06:00
Claudiu Manoil
021ba01066 soc/qman: test: Don't use dummy platform device for dma mapping
Replace dummy platform device hack with a reference to a portal's
platform device, in order to dma map the test frame for this
small unit test.  The 2 qman symbols need to be exported because
this self test is a kernel module.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
2016-11-23 01:23:44 -06:00