Commit Graph

676 Commits

Author SHA1 Message Date
Madalin Bucur 96f413f476 soc/fsl/qbman: fix issue in qman_delete_cgr_safe()
The wait_for_completion() call in qman_delete_cgr_safe()
was triggering a scheduling while atomic bug, replacing the
kthread with a smp_call_function_single() call to fix it.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-14 13:16:23 -04:00
Linus Torvalds 97ace515f0 ARM: SoC fixes for 4.16
This is the first set of bugfixes for ARM SoCs, fixing a couple
 of stability problems, mostly on TI OMAP and Rockchips platforms:
 
 - OMAP2 hwmod clocks must be enabled in the correct order
 
 - OMAP3 Wakeup from resume through PRM IRQ was unreliable
 
 - One regression on OMAP5 caused by a kexec fix
 
 - Rockchip ethernet needs some settings for stable operation on Rock64
 
 - Rockchip based Chrombook Plus needs another clock setting for
   stable display suspend/resume
 
 - Rockchip based phyCORE-RK3288 was able to run at an invalid
   CPU clock frequency
 
 - Rockchip MMC link was sometimes unreliable
 
 - Multiple fixes to avoid crashes in the Broadcom STB DPFE driver
 
 Other minor changes include:
 
 - Devicetree fixes for incorrect hardware description (rockchip,
   omap, Gemini, amlogic)
 
 - Some MAINTAINER file updates to correct email and git addresses
 
 - Some fixes addressing 'make W=1' dtc warnings (broadcom, amlogic,
   cavium, qualcomm, hisilicon, zx)
 
 - Fixes for LTO-compilation (orion, davinci, clps711x)
 
 - One fix for an incorrect Kconfig errata selection
 
 - A memory leak in the OMAP timer driver
 
 - A kernel data leak in OMAP1 debugfs files
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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 Arnd Bergmann:
 "This is the first set of bugfixes for ARM SoCs, fixing a couple of
  stability problems, mostly on TI OMAP and Rockchips platforms:

   - OMAP2 hwmod clocks must be enabled in the correct order

   - OMAP3 Wakeup from resume through PRM IRQ was unreliable

   - one regression on OMAP5 caused by a kexec fix

   - Rockchip ethernet needs some settings for stable operation on
     Rock64

   - Rockchip based Chrombook Plus needs another clock setting for
     stable display suspend/resume

   - Rockchip based phyCORE-RK3288 was able to run at an invalid CPU
     clock frequency

   - Rockchip MMC link was sometimes unreliable

   - multiple fixes to avoid crashes in the Broadcom STB DPFE driver

  Other minor changes include:

   - Devicetree fixes for incorrect hardware description (rockchip,
     omap, Gemini, amlogic)

   - some MAINTAINER file updates to correct email and git addresses

   - some fixes addressing 'make W=1' dtc warnings (broadcom, amlogic,
     cavium, qualcomm, hisilicon, zx)

   - fixes for LTO-compilation (orion, davinci, clps711x)

   - one fix for an incorrect Kconfig errata selection

   - a memory leak in the OMAP timer driver

   - a kernel data leak in OMAP1 debugfs files"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
  MAINTAINERS: update entries for ARM/STM32
  ARM: dts: bcm283x: Move arm-pmu out of soc node
  ARM: dts: bcm283x: Fix unit address of local_intc
  ARM: dts: NSP: Fix amount of RAM on BCM958625HR
  ARM: dts: Set D-Link DNS-313 SATA to muxmode 0
  ARM: omap2: set CONFIG_LIRC=y in defconfig
  ARM: dts: imx6dl: Include correct dtsi file for Engicam i.CoreM6 DualLite/Solo RQS
  memory: brcmstb: dpfe: support new way of passing data from the DCPU
  memory: brcmstb: dpfe: fix type declaration of variable "ret"
  memory: brcmstb: dpfe: properly mask vendor error bits
  ARM: BCM: dts: Remove leading 0x and 0s from bindings notation
  ARM: orion: fix orion_ge00_switch_board_info initialization
  ARM: davinci: mark spi_board_info arrays as const
  ARM: clps711x: mark clps711x_compat as const
  arm: zx: dts: Remove leading 0x and 0s from bindings notation
  arm64: dts: Remove leading 0x and 0s from bindings notation
  arm64: dts: cavium: fix PCI bus dtc warnings
  MAINTAINERS: ARM: at91: update my email address
  soc: imx: gpc: de-register power domains only if initialized
  ARM: dts: rockchip: Fix DWMMC clocks
  ...
2018-02-28 16:11:04 -08:00
Ingo Molnar ed7158bae4 treewide/trivial: Remove ';;$' typo noise
On lkml suggestions were made to split up such trivial typo fixes into per subsystem
patches:

  --- a/arch/x86/boot/compressed/eboot.c
  +++ b/arch/x86/boot/compressed/eboot.c
  @@ -439,7 +439,7 @@ setup_uga32(void **uga_handle, unsigned long size, u32 *width, u32 *height)
          struct efi_uga_draw_protocol *uga = NULL, *first_uga;
          efi_guid_t uga_proto = EFI_UGA_PROTOCOL_GUID;
          unsigned long nr_ugas;
  -       u32 *handles = (u32 *)uga_handle;;
  +       u32 *handles = (u32 *)uga_handle;
          efi_status_t status = EFI_INVALID_PARAMETER;
          int i;

This patch is the result of the following script:

  $ sed -i 's/;;$/;/g' $(git grep -E ';;$'  | grep "\.[ch]:"  | grep -vwE 'for|ia64' | cut -d: -f1 | sort | uniq)

... followed by manual review to make sure it's all good.

Splitting this up is just crazy talk, let's get over with this and just do it.

Reported-by: Pavel Machek <pavel@ucw.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
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>
2018-02-22 10:59:33 +01:00
Stefan Agner 7801c545e7 soc: imx: gpc: de-register power domains only if initialized
If power domain information are missing in the device tree, no
power domains get initialized. However, imx_gpc_remove tries to
remove power domains always in the old DT binding case. Only
remove power domains when imx_gpc_probe initialized them in
first place.

Fixes: 721cabf6c6 ("soc: imx: move PGC handling to a new GPC driver")
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2018-02-22 11:22:12 +08:00
Linus Torvalds fe53d1443a ARM: SoC driver updates for 4.16
A number of new drivers get added this time, along with many low-priority
 bugfixes. The most interesting changes by subsystem are:
 
 bus drivers:
   - Updates to the Broadcom bus interface driver to support newer SoC types
   - The TI OMAP sysc driver now supports updated DT bindings
 
 memory controllers:
   - A new driver for Tegra186 gets added
   - A new driver for the ti-emif sram, to allow relocating
     suspend/resume handlers there
 
 SoC specific:
   - A new driver for Qualcomm QMI, the interface to the modem on MSM SoCs
   - A new driver for power domains on the actions S700 SoC
   - A driver for the Xilinx Zynq VCU logicoreIP
 
 reset controllers:
   - A new driver for Amlogic Meson-AGX
   - various bug fixes
 
 tee subsystem:
   - A new user interface got added to enable asynchronous communication
     with the TEE supplicant.
   - A new method of using user space memory for communication with
     the TEE is added
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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:
 "A number of new drivers get added this time, along with many
  low-priority bugfixes. The most interesting changes by subsystem are:

  bus drivers:
   - Updates to the Broadcom bus interface driver to support newer SoC
     types
   - The TI OMAP sysc driver now supports updated DT bindings

  memory controllers:
   - A new driver for Tegra186 gets added
   - A new driver for the ti-emif sram, to allow relocating
     suspend/resume handlers there

  SoC specific:
   - A new driver for Qualcomm QMI, the interface to the modem on MSM
     SoCs
   - A new driver for power domains on the actions S700 SoC
   - A driver for the Xilinx Zynq VCU logicoreIP

  reset controllers:
   - A new driver for Amlogic Meson-AGX
   - various bug fixes

  tee subsystem:
   - A new user interface got added to enable asynchronous communication
     with the TEE supplicant.
   - A new method of using user space memory for communication with the
     TEE is added"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (84 commits)
  of: platform: fix OF node refcount leak
  soc: fsl: guts: Add a NULL check for devm_kasprintf()
  bus: ti-sysc: Fix smartreflex sysc mask
  psci: add CPU_IDLE dependency
  soc: xilinx: Fix Kconfig alignment
  soc: xilinx: xlnx_vcu: Use bitwise & rather than logical && on clkoutdiv
  soc: xilinx: xlnx_vcu: Depends on HAS_IOMEM for xlnx_vcu
  soc: bcm: brcmstb: Be multi-platform compatible
  soc: brcmstb: biuctrl: exit without warning on non brcmstb platforms
  Revert "soc: brcmstb: Only register SoC device on STB platforms"
  bus: omap: add MODULE_LICENSE tags
  soc: brcmstb: Only register SoC device on STB platforms
  tee: shm: Potential NULL dereference calling tee_shm_register()
  soc: xilinx: xlnx_vcu: Add Xilinx ZYNQMP VCU logicoreIP init driver
  dt-bindings: soc: xilinx: Add DT bindings to xlnx_vcu driver
  soc: xilinx: Create folder structure for soc specific drivers
  of: platform: populate /firmware/ node from of_platform_default_populate_init()
  soc: samsung: Add SPDX license identifiers
  soc: qcom: smp2p: Use common error handling code in qcom_smp2p_probe()
  tee: shm: don't put_page on null shm->pages
  ...
2018-02-01 16:35:31 -08:00
Arnd Bergmann 9db16401d2 arm: Xilinx ZynqMP SoC fixes for v4.16
- Fix Kconfig dependency
 - Fix vcu clkoutdiv calculation
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Merge tag 'zynqmp-soc-fixes-for-4.16' of https://github.com/Xilinx/linux-xlnx into next/drivers

Pull "arm: Xilinx ZynqMP SoC fixes for v4.16" from Michal Simek:

- Fix Kconfig dependency
- Fix vcu clkoutdiv calculation

* tag 'zynqmp-soc-fixes-for-4.16' of https://github.com/Xilinx/linux-xlnx:
  soc: xilinx: Fix Kconfig alignment
  soc: xilinx: xlnx_vcu: Use bitwise & rather than logical && on clkoutdiv
  soc: xilinx: xlnx_vcu: Depends on HAS_IOMEM for xlnx_vcu
2018-01-26 17:33:36 +01:00
Arnd Bergmann d43aeff392 FSL/NXP SoC drivers updates for 4.16
This adds new SoC support and more error path handling to the guts
 driver.
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Merge tag 'soc-fsl-for-4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/leo/linux into next/drivers

Pull "FSL/NXP SoC drivers updates for 4.16" from Li Yang:

This adds new SoC support and more error path handling to the guts
driver.

* tag 'soc-fsl-for-4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: guts: Add a NULL check for devm_kasprintf()
  soc: fsl: support GUTS driver for ls1012a/ls1046a
2018-01-23 10:17:26 +01:00
Fabio Estevam 14b055f439 soc: fsl: guts: Add a NULL check for devm_kasprintf()
devm_kasprintf() may fail, so we should better add a NULL check
and propagate an error on failure.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
2018-01-22 16:59:48 -06:00
Michal Simek 056b54eeae soc: xilinx: Fix Kconfig alignment
Tabs should be used for alignment instead of spaces.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-16 15:50:21 +01:00
Gustavo A. R. Silva 2a7157b137 soc: xilinx: xlnx_vcu: Use bitwise & rather than logical && on clkoutdiv
Currently clkoutdiv is being operated on by a logical && operator rather
than a bitwise & operator. This looks incorrect as these should be bit
flag operations.

Addresses-Coverity-ID: 1463959 ("Logical vs. bitwise operator")
Fixes: cee8113a29 ("soc: xilinx: xlnx_vcu: Add Xilinx ZYNQMP VCU logicoreIP init driver")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Dhaval Shah <dshah@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-16 15:50:20 +01:00
Dhaval Shah 0501506122 soc: xilinx: xlnx_vcu: Depends on HAS_IOMEM for xlnx_vcu
xlnx_vcu driver uses devm_ioremap_nocache, which is included
only when HAS_IOMEM is enabled.

drivers/soc/xilinx/xlnx_vcu.o: In function `xvcu_probe':
   xlnx_vcu.c:(.text+0x116): undefined reference to `devm_ioremap_nocache'
   xlnx_vcu.c:(.text+0x1ae): undefined reference to `devm_ioremap_nocache'

Signed-off-by: Dhaval Shah <dshah@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-16 08:34:30 +01:00
Thierry Reding c5b40c315a soc: bcm: brcmstb: Be multi-platform compatible
We were making a bunch of wrong assumptions that turned out to blow out
on non-Broadcom STB platforms:

- we would return -ENODEV from brcmstb_soc_device_early_init() if we
  could not find the sun_top_ctrl device node, this is not an error
  in the context of a multi-platform kernel
- we would still try to register the Broadcom STB SoC device, even if we
  are not running on such a platform

While at it, also fix the sun_top_ctrl device_node leaks while we change
the flow of brcmstb_soc_device_init() and
brcmstb_soc_device_early_init().

Fixes: f780429adf ("soc: brcmstb: biuctrl: Move to early_initcall")
Signed-off-by: Thierry Reding <treding@nvidia.com>
[florian: Combine all of Thierry's patch in one go for easier review]
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-01-15 15:47:07 +01:00
Sudeep Holla a78182980a soc: brcmstb: biuctrl: exit without warning on non brcmstb platforms
Currently if this driver is included, we get the following warning
on any platforms irrespective of whether it's brcmstb platform or not.
"
 brcmstb: biuctrl: missing BIU control node
 brcmstb: biuctrl: MCP: Unable to disable write pairing!
"

This patch allows to exit early without any warning messages on non
brcmstb platforms as it's meaningless for them.

Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Gregory Fong <gregory.0xf0@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Fixes: f780429adf ("soc: brcmstb: biuctrl: Move to early_initcall")
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
[florian: Add fixes tag, make initcall non fatal]
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-01-15 15:46:17 +01:00
Olof Johansson c90801664e Revert "soc: brcmstb: Only register SoC device on STB platforms"
This reverts commit 23a0d84799.

Patch has issues that's being addressed by the Florian and he will
follow up with a new patch to address the original issue.

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-01-12 10:30:35 -08:00
Olof Johansson c9f6603662 arm: Xilinx ZynqMP SoC patches for v4.16
- Create drivers/soc/xilinx folder structure
 - Add ZynqMP vcu init driver
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Merge tag 'zynqmp-soc-for-4.16' of https://github.com/Xilinx/linux-xlnx into next/drivers

arm: Xilinx ZynqMP SoC patches for v4.16

- Create drivers/soc/xilinx folder structure
- Add ZynqMP vcu init driver

* tag 'zynqmp-soc-for-4.16' of https://github.com/Xilinx/linux-xlnx:
  soc: xilinx: xlnx_vcu: Add Xilinx ZYNQMP VCU logicoreIP init driver
  dt-bindings: soc: xilinx: Add DT bindings to xlnx_vcu driver
  soc: xilinx: Create folder structure for soc specific drivers

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-01-12 10:16:17 -08:00
Olof Johansson 2f4621cd58 Samsung soc drivers changes for v4.16
Add SPDX license identifiers.
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Merge tag 'samsung-drivers-4.16-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Samsung soc drivers changes for v4.16

Add SPDX license identifiers.

* tag 'samsung-drivers-4.16-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: Add SPDX license identifiers

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-01-11 17:36:35 -08:00
Thierry Reding 23a0d84799 soc: brcmstb: Only register SoC device on STB platforms
After moving the SoC device initialization to an early initcall in
commit f780429adf ("soc: brcmstb: biuctrl: Move to early_initcall"),
the Broadcom STB SoC device is registered on all platforms if support
for the device is enabled in the kernel configuration.

This causes an additional SoC device to appear on platforms that already
register a native one. In case of Tegra the STB SoC device is registered
as soc0 (with totally meaningless content in the sysfs attributes) and
causes various scripts and programs to fail because they don't know how
to parse that data.

To fix this, duplicate the check from brcmstb_soc_device_early_init()
that already prevents the code from doing anything nonsensical on non-
STB platforms.

Fixes: f780429adf ("soc: brcmstb: biuctrl: Move to early_initcall")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2018-01-11 17:01:22 -08:00
Dhaval Shah cee8113a29 soc: xilinx: xlnx_vcu: Add Xilinx ZYNQMP VCU logicoreIP init driver
Xilinx ZYNQMP logicoreIP Init driver is based on the new
LogiCoreIP design created. This driver provides the processing system
and programmable logic isolation. Set the frequency based on the clock
information get from the logicoreIP register set.

Signed-off-by: Dhaval Shah <dshah@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-08 13:42:47 +01:00
Michal Simek 5abcdc206f soc: xilinx: Create folder structure for soc specific drivers
Create directory structure with Makefile/Kconfig for adding xilinx soc
specific drivers.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-08 13:42:39 +01:00
Arnd Bergmann ce3dc231da i.MX drivers update for 4.16:
- Update i.MX GPC driver to support PCI power domain of i.MX6SX SoC.
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Merge tag 'imx-drivers-4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

Pull "i.MX drivers update for 4.16" from Shawn Guo:
 - Update i.MX GPC driver to support PCI power domain of i.MX6SX SoC.

* tag 'imx-drivers-4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx: gpc: Add i.MX6SX PCI power domain
2018-01-05 17:55:52 +01:00
Arnd Bergmann 830ebd37c5 Qualcomm ARM Based Driver Updates for v4.16 - Redo
* Fix error handling code in SMP2P probe
 * Update SMP2P to use ACPS as mailbox client
 * Add QMI support
 * Fixups for Qualcomm SCM
 * Fix licensing on rmtfs_mem
 * Correct SMSM child node lookup
 * Populate firmware nodes during platform init
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Merge tag 'qcom-drivers-for-4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.16 - Redo" from Andy Gross:

* Fix error handling code in SMP2P probe
* Update SMP2P to use ACPS as mailbox client
* Add QMI support
* Fixups for Qualcomm SCM
* Fix licensing on rmtfs_mem
* Correct SMSM child node lookup
* Populate firmware nodes during platform init

* tag 'qcom-drivers-for-4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  of: platform: populate /firmware/ node from of_platform_default_populate_init()
  soc: qcom: smp2p: Use common error handling code in qcom_smp2p_probe()
  soc: qcom: Introduce QMI helpers
  soc: qcom: Introduce QMI encoder/decoder
  firmware: qcom_scm: Add dependent headers to qcom_scm.h
  soc: qcom: smp2p: Access APCS as mailbox client
  soc: qcom: rmtfs_mem: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
  soc: qcom: smsm: fix child-node lookup
  firmware: qcom_scm: drop redandant of_platform_populate
2018-01-05 12:22:53 +01:00
Olof Johansson 11077e9bf7 SOC: Keystone Soc driver updates for 4.16
- TI EMIF-SRAM driver
  - TI SCI print format fix
  - Navigator strndup lenth fix
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Merge tag 'keystone_driver_soc_for_4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers

SOC: Keystone Soc driver updates for 4.16

 - TI EMIF-SRAM driver
 - TI SCI print format fix
 - Navigator strndup lenth fix

* tag 'keystone_driver_soc_for_4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  soc: ti: fix max dup length for kstrndup
  firmware: ti_sci: Use %zu for size_t print format
  memory: ti-emif-sram: remove unused variable
  memory: ti-emif-sram: introduce relocatable suspend/resume handlers
  Documentation: dt: Update ti,emif bindings

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-01-04 23:12:57 -08:00
Olof Johansson 3864a53e14 Second Round of Renesas ARM Based SoC Updates for v4.16
* rcar-sysc: Keep wakeup sources active during system suspend
 
   Geert Uytterhoeven says "If an R-Car SYSC slave device is part of the
   CPG/MSTP or CPG/MSSR Clock Domain and to be used as a wakeup source, it
   must be kept active during system suspend.
 
   Currently this is handled in device-specific drivers by explicitly
   increasing the use count of the module clock when the device is
   configured as a wakeup source.  However, the proper way to prevent the
   device from being stopped is to inform this requirement to the genpd
   core, by setting the GENPD_FLAG_ACTIVE_WAKEUP flag.
 
   Note that this will only affect devices configured as wakeup sources."
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Merge tag 'renesas-soc2-for-v4.16' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Second Round of Renesas ARM Based SoC Updates for v4.16

* rcar-sysc: Keep wakeup sources active during system suspend

  Geert Uytterhoeven says "If an R-Car SYSC slave device is part of the
  CPG/MSTP or CPG/MSSR Clock Domain and to be used as a wakeup source, it
  must be kept active during system suspend.

  Currently this is handled in device-specific drivers by explicitly
  increasing the use count of the module clock when the device is
  configured as a wakeup source.  However, the proper way to prevent the
  device from being stopped is to inform this requirement to the genpd
  core, by setting the GENPD_FLAG_ACTIVE_WAKEUP flag.

  Note that this will only affect devices configured as wakeup sources."

* tag 'renesas-soc2-for-v4.16' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: Keep wakeup sources active during system suspend

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-01-04 22:52:06 -08:00
Olof Johansson 710ae35c2e Actions Semi SoC drivers for v4.16
The SPS power domain driver is extended for S700 SoC.
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Merge tag 'actions-drivers-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/drivers

Actions Semi SoC drivers for v4.16

The SPS power domain driver is extended for S700 SoC.

* tag 'actions-drivers-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  soc: actions: sps: Add S700

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-01-04 22:37:59 -08:00
Olof Johansson 7e32c6054e This pull request contains Broadcom ARM/ARM64 based SoCs drivers changes for
4.16, please pull the following:
 
 - Arnd provides an update to the Raspberry Pi firmware interface and uses time64_t to
   print the time to make it more future proof
 
 - Florian provides a set of updates to make the Broadcom STB Bus Interface Unit code
   work on newer ARM64-based chips, as well as perform the correct interface tuning
   for these chips to reach the expected performance
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Merge tag 'arm-soc/for-4.16/drivers' of http://github.com/Broadcom/stblinux into next/drivers

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

- Arnd provides an update to the Raspberry Pi firmware interface and uses time64_t to
  print the time to make it more future proof

- Florian provides a set of updates to make the Broadcom STB Bus Interface Unit code
  work on newer ARM64-based chips, as well as perform the correct interface tuning
  for these chips to reach the expected performance

* tag 'arm-soc/for-4.16/drivers' of http://github.com/Broadcom/stblinux:
  soc: brcmstb: biuctrl: Move to early_initcall
  soc: brcmstb: Split initialization
  soc: brcmstb: biuctrl: Fine tune B53 MCP interface settings
  soc: brcmstb: biuctrl: Wire-up new registers
  soc: brcmstb: biuctrl: Prepare for saving/restoring other registers
  soc: brcmstb: Correct CPU_CREDIT_REG offset for Brahma-B53 CPUs
  soc: brcmstb: Make CPU credit offset more parameterized
  dt-bindings: arm: brcmstb: Correct BIUCTRL node documentation
  dt-bindings: arm: Add entry for Broadcom Brahma-B53
  firmware: raspberrypi: print time using time64_t

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-01-04 22:31:02 -08:00
Linus Walleij 68198dca45 soc: Add SoC driver for Gemini
This adds an SoC driver for the Gemini. Currently there
is only one thing not fitting into any other framework,
and that is the bus arbitration setting.

All Gemini vendor trees seem to be setting this register to
exactly the same arbitration so we just add a small code
snippet to do this at subsys_init() time before any other
drivers kick in.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-01-04 17:01:53 +01:00
Krzysztof Kozlowski 06512c539f soc: samsung: Add SPDX license identifiers
Replace GPL license statements with SPDX GPL-2.0 license identifiers.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2018-01-03 18:45:15 +01:00
Markus Elfring c01fc2275e soc: qcom: smp2p: Use common error handling code in qcom_smp2p_probe()
* Add a jump target so that a specific error message is stored only once
  at the end of this function implementation.

* Replace two calls of the function "dev_err" by goto statements.

* Adjust two condition checks.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-01-01 00:29:09 -06:00
Fabio Estevam cfabb7921c soc: imx: gpc: Add i.MX6SX PCI power domain
i.MX6SX has a PCI power domain in PGC. Add support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-12-26 16:26:46 +08:00
Arnd Bergmann 11c9dff045 - change kconfig entry for armv7 SoCs to be more generic
- add support for mt2701 scpsys driver
   binding documentation
   extend driver to allow the bus protection to overwrite the register
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Merge tag 'v4.15-next-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/soc

Pull "arm: Updates for soc driver for v4.15-next" from Matthias Brugger:

- change kconfig entry for armv7 SoCs to be more generic
- add support for mt2701 scpsys driver
  binding documentation
  extend driver to allow the bus protection to overwrite the register

* tag 'v4.15-next-soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
  soc: mediatek: add MT2712 scpsys support
  soc: mediatek: add dependent clock jpgdec/audio for scpsys
  soc: mediatek: extend bus protection API
  dt-bindings: soc: add MT2712 power dt-bindings
  ARM: mediatek: use more generic prompts for SoCs with ARMv7
2017-12-21 18:11:41 +01:00
Arnd Bergmann a3dc838d7a soc/tegra: Changes for v4.16-rc1
Fuse and chip ID support for Tegra186 is added in this set of changes,
 followed by some unification work for the PMC driver in order to avoid
 code duplication between Tegra186 and prior chips.
 
 This also contains a couple of fixes for reading fuses on Tegra20.
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Merge tag 'tegra-for-4.16-soc-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/soc

Pull "soc/tegra: Changes for v4.16-rc1" from Thierry Reding:

Fuse and chip ID support for Tegra186 is added in this set of changes,
followed by some unification work for the PMC driver in order to avoid
code duplication between Tegra186 and prior chips.

This also contains a couple of fixes for reading fuses on Tegra20.

* tag 'tegra-for-4.16-soc-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: fuse: Explicitly request DMA channel from APB DMA driver
  soc/tegra: fuse: Fix reading registers using DMA on Tegra20
  soc/tegra: pmc: Consolidate Tegra186 support
  soc/tegra: pmc: Parameterize driver
  soc/tegra: fuse: Add Tegra186 chip ID support
  soc/tegra: fuse: Warn if accessing unmapped registers
  soc/tegra: fuse: Move register mapping check
  soc/tegra: fuse: Add Tegra186 support
  dt-bindings: misc: Add Tegra186 MISC registers bindings
2017-12-21 17:57:04 +01:00
Dmitry Osipenko ccf151847b soc/tegra: fuse: Explicitly request DMA channel from APB DMA driver
Currently fuse driver requests DMA channel from an arbitrary DMA device,
it is not a problem since there is only one DMA provider for Tegra20 yet,
but it may become troublesome if another provider will appear.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-12-21 17:04:12 +01:00
Dmitry Osipenko 55a042b3f6 soc/tegra: fuse: Fix reading registers using DMA on Tegra20
FUSE driver doesn't configure DMA channel properly, because of it DMA
transfer is never issued and tegra20_fuse_read() always return 0x0.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2017-12-21 17:03:49 +01:00
Arnd Bergmann 6b0b1a6b07 Renesas ARM Based SoC Updates for v4.16
* Identify R-Car M3-W ES1.1
 
   Geert Uytterhoeven says "The Product Register of R-Car M3-W ES1.1
   incorrectly identifies the SoC revision as ES2.0.  Add a workaround to
   fix this."
 
   It is my understanding that this is likely to be forwards-compatibile.
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Merge tag 'renesas-soc-for-v4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Pull "Renesas ARM Based SoC Updates for v4.16" from Simon Horman:

* Identify R-Car M3-W ES1.1

  Geert Uytterhoeven says "The Product Register of R-Car M3-W ES1.1
  incorrectly identifies the SoC revision as ES2.0.  Add a workaround to
  fix this."

  It is my understanding that this is likely to be forwards-compatibile.

* tag 'renesas-soc-for-v4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: Identify R-Car M3-W ES1.1
2017-12-21 16:17:59 +01:00
weiyi.lu@mediatek.com 320f4ced45 soc: mediatek: add MT2712 scpsys support
add scpsys driver for MT2712

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-12-21 11:49:23 +01:00
weiyi.lu@mediatek.com d1fb29fac8 soc: mediatek: add dependent clock jpgdec/audio for scpsys
There are dependent clock jpgdec/audio in scpsys on MT2712,
and will exist three dependent clocks on MT2712 VDEC.

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-12-21 11:49:23 +01:00
weiyi.lu@mediatek.com fa7e843a90 soc: mediatek: extend bus protection API
MT2712 add "set/clear" bus control register to each control register set
instead of providing only one "enable" control register, we could avoid
the read-modify-write racing by declaring "bus_prot_reg_update" as "false"
in scp_soc_data or declaring as "true" to use the legacy update method.
By improving the mtk-infracfg bus protection implementation to
support set/clear bus protection control method by IC configuration.

Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2017-12-21 11:49:22 +01:00
Florian Fainelli f780429adf soc: brcmstb: biuctrl: Move to early_initcall
Being called during early_initcall() is early enough that it occurs
before SMP initialization, which is all we care about for the Bus
Interface Unit configuration.

This solves lack of BIU initialization on ARM64 platforms where we do
not have an anchor where to put the BIU initialization (since there are
no machine descriptors).

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-12-20 17:37:44 -08:00
Florian Fainelli 5d4567ec3b soc: brcmstb: Split initialization
We may need access to family_id and product_id fairly early on boot for
other parts of the code (e.g: biuctrl.c), so split the initialization
between an early_init() and an arch_initcall() which allows us to do
that.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-12-20 17:37:43 -08:00
Florian Fainelli b4b32e3216 soc: brcmstb: biuctrl: Fine tune B53 MCP interface settings
In order to achieve expected MCP bus throughput on 3 particular chips:
7268, 7271 and 7278, do the appropriate programming of the MCP
interface: increase number of MCP write credits, turn on write-back
throttling when present.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-12-20 17:37:43 -08:00
Florian Fainelli 6451d644b8 soc: brcmstb: biuctrl: Wire-up new registers
Add definitions for B53 systems register: CPU_MCP_FLOW_REG and
CPU_WRITEBACK_CTRL_REG. These register will be saved and restored
accordingly.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-12-20 17:37:42 -08:00
Florian Fainelli 584e55d543 soc: brcmstb: biuctrl: Prepare for saving/restoring other registers
In preparation for saving/restoring additional registers required on
some newer platforms (7268, 7271, 7278), migrate the code to use enums
and helper functions to access registers.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-12-20 17:37:39 -08:00
Florian Fainelli 22f7a9116e soc: brcmstb: Correct CPU_CREDIT_REG offset for Brahma-B53 CPUs
On Broadcom Brahma-B53 CPUs, the CPU_CREDIT_REG offset got moved to
0x0b0 instead of 0x184, correct this such that we correcty
enable/disable write-pairing for these chips.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-12-20 17:37:36 -08:00
Florian Fainelli 9257091cf6 soc: brcmstb: Make CPU credit offset more parameterized
In preparation for fixing and changing values in the CPU_CREDIT_REG
register for B53-based systems, make the offset parameterized.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-12-20 17:37:32 -08:00
Bjorn Andersson 3830d0771e soc: qcom: Introduce QMI helpers
Drivers that needs to communicate with a remote QMI service all has to
perform the operations of discovering the service, encoding and decoding
the messages and operate the socket. This introduces an abstraction for
these common operations, reducing most of the duplication in such cases.

Acked-by: Chris Lew <clew@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-12-20 15:38:34 -06:00
Bjorn Andersson 9b8a11e826 soc: qcom: Introduce QMI encoder/decoder
Add the helper library for encoding and decoding QMI encoded messages.
The implementation is taken from lib/qmi_encdec.c of the Qualcomm kernel
(msm-3.18).

Modifications has been made to the public API, source buffers has been
made const and the debug-logging part was omitted, for now.

Acked-by: Chris Lew <clew@codeaurora.org>
Tested-by: Chris Lew <clew@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-12-20 15:38:34 -06:00
Bjorn Andersson e71802647b soc: qcom: smp2p: Access APCS as mailbox client
Attempt to acquire the APCS IPC through the mailbox framework and fall
back to the old syscon based approach, to allow us to move away from
using the syscon.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-12-20 15:38:34 -06:00
Jesse Chan 3b229bdb54 soc: qcom: rmtfs_mem: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
This change resolves a new compile-time warning
when built as a loadable module:

WARNING: modpost: missing MODULE_LICENSE() in drivers/soc/qcom/rmtfs_mem.o
see include/linux/module.h for more information

This adds the license as "GPL v2", which matches the header of the file.

MODULE_DESCRIPTION and MODULE_AUTHOR are also added.

Signed-off-by: Jesse Chan <jc@linux.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-12-20 15:38:34 -06:00
Johan Hovold 8804517e9f soc: qcom: smsm: fix child-node lookup
Fix child-node lookup during probe, which ended up searching the whole
device tree depth-first starting at the parent rather than just matching
on its children.

Note that the original premature free of the parent node has already
been fixed separately.

Also note that this pattern of looking up the first child node with a
given property is rare enough that a generic helper is probably not
warranted.

Fixes: c97c4090ff ("soc: qcom: smsm: Add driver for Qualcomm SMSM")
Fixes: 3e8b554114 ("soc: qcom: smsm: fix of_node refcnting problem")
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-12-20 15:38:34 -06:00
Geert Uytterhoeven 91c719f5ec soc: renesas: rcar-sysc: Keep wakeup sources active during system suspend
If an R-Car SYSC slave device is part of the CPG/MSTP or CPG/MSSR Clock
Domain and to be used as a wakeup source, it must be kept active during
system suspend.

Currently this is handled in device-specific drivers by explicitly
increasing the use count of the module clock when the device is
configured as a wakeup source.  However, the proper way to prevent the
device from being stopped is to inform this requirement to the genpd
core, by setting the GENPD_FLAG_ACTIVE_WAKEUP flag.

Note that this will only affect devices configured as wakeup sources.

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>
2017-12-20 11:16:05 +01:00