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2016-04-26Merge tag 'renesas-rcar-sysc2-for-v4.7' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers Merge "Second Round of Renesas ARM Based SoC R-Car SYSC Updates for v4.7" from Simon Horman: Introduce a DT-based driver for the R-Car System Controller, as found on Renesas R-Car H1, R-Car Gen2, and R-Car Gen3 SoCs. * tag 'renesas-rcar-sysc2-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (30 commits) soc: renesas: rcar-sysc: Add support for R-Car H3 power areas soc: renesas: rcar-sysc: Add support for R-Car E2 power areas soc: renesas: rcar-sysc: Add support for R-Car M2-N power areas soc: renesas: rcar-sysc: Add support for R-Car M2-W power areas soc: renesas: rcar-sysc: Add support for R-Car H2 power areas soc: renesas: rcar-sysc: Add support for R-Car H1 power areas soc: renesas: rcar-sysc: Enable Clock Domain for I/O devices soc: renesas: rcar-sysc: Make rcar_sysc_power_is_off() static soc: renesas: rcar-sysc: Add DT support for SYSC PM domains soc: renesas: rcar-sysc: Improve rcar_sysc_power() debug info soc: renesas: Move pm-rcar to drivers/soc/renesas/rcar-sysc clk: renesas: cpg-mssr: Export cpg_mssr_{at,de}tach_dev() clk: renesas: mstp: Provide dummy attach/detach_dev callbacks clk: renesas: Provide Kconfig symbols for CPG/MSSR and CPG/MSTP support soc: renesas: Add r8a7795 SYSC PM Domain Binding Definitions soc: renesas: Add r8a7794 SYSC PM Domain Binding Definitions soc: renesas: Add r8a7793 SYSC PM Domain Binding Definitions soc: renesas: Add r8a7791 SYSC PM Domain Binding Definitions soc: renesas: Add r8a7790 SYSC PM Domain Binding Definitions soc: renesas: Add r8a7779 SYSC PM Domain Binding Definitions ...
2016-04-26drivers: firmware: psci: make two helper functions inlineArnd Bergmann
The previous patch marked these two as 'static' which showed that they are sometimes unused: drivers/firmware/psci.c:103:13: error: 'psci_power_state_is_valid' defined but not used [-Werror=unused-function] static bool psci_power_state_is_valid(u32 state) drivers/firmware/psci.c:94:13: error: 'psci_power_state_loses_context' defined but not used [-Werror=unused-function] static bool psci_power_state_loses_context(u32 state) This also marks the functions 'inline', which has the main effect of silently ignoring them when they are unused. The compiler will typically inline small static functions anyway, so this seems more appropriate than using __maybe_unused, which would have the same result otherwise. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 21e8868 ("drivers: firmware: psci: make two helper functions static")
2016-04-26soc: renesas: rcar-sysc: Add support for R-Car H3 power areasGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26soc: renesas: rcar-sysc: Add support for R-Car E2 power areasGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26soc: renesas: rcar-sysc: Add support for R-Car M2-N power areasGeert Uytterhoeven
R-Car M2-N is identical to R-Car M2-W w.r.t. power domains, so reuse the definitions from the latter. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26soc: renesas: rcar-sysc: Add support for R-Car M2-W power areasGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26soc: renesas: rcar-sysc: Add support for R-Car H2 power areasGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26soc: renesas: rcar-sysc: Add support for R-Car H1 power areasGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26soc: renesas: rcar-sysc: Enable Clock Domain for I/O devicesGeert Uytterhoeven
On R-Car H3, some power areas (e.g. A3VP) contain I/O devices, which are also part of the CPG/MSSR Clock Domain. On all R-Car SoCs, devices in the "always-on" PM Domain are part of the Clock Domain served by the CPG/MSSR or CPG/MSTP driver. Hook up the CPG/MSTP or CPG/MSSR Clock Domain attach/detach callbacks to enable power management using module clocks. Which callback to hook up depends on the presence of device nodes compatible with "renesas,cpg-mstp-clocks". This clears the path for a future migration from the CPG/MSTP to the CPG/MSSR driver on R-Car H1 and Gen2. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-26physmap_of: ensure versatile code is reachableArnd Bergmann
With the newly added physmap_of_versatile code, we get a build error when physmap_of is in a module, because of_flash_probe_versatile is not exported: ERROR: "of_flash_probe_versatile" [drivers/mtd/maps/physmap_of.ko] undefined! This adds the export, and changes the Makefile so that the code is also put into a loadable module rather than built-in when physmap_of itself is a module. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-04-26soc: brcmstb: Unmap sun_top_ctrl_base on errorsFlorian Fainelli
Do not leak a ioremap()'d cookie around, unmaping it in case of errors Fixes: cef4bafcea2c ("soc: brcmstb: add SoC driver to brcmstb") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-04-26soc: brcmstb: select SOC_BUSArnd Bergmann
The newly added code for the SoC bus fails to link if the bus is not built: drivers/soc/built-in.o: In function `brcmstb_soc_device_init': :(.init.text+0x110): undefined reference to `soc_device_register' This adds a 'select' statement to avoid the error. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: cef4bafcea2c ("soc: brcmstb: add SoC driver to brcmstb") Acked-by: Florian Fainelli <f.fainelli@gmail.com>
2016-04-25Merge tag 'qcom-soc-for-4.7-2' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers Merge "Qualcomm ARM Based SoC Updates for v4.7 part 2" from Andy Gross: * Change SMD callback parameters * Use writecombine mapping for SMEM * tag 'qcom-soc-for-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux: soc: qcom: smd: Make callback pass channel reference soc: qcom: smem: Use write-combine remap for SMEM
2016-04-25Merge tag 'arm-soc/for-4.7/drivers' of http://github.com/Broadcom/stblinux ↵Arnd Bergmann
into next/drivers Merge "Broadcom ARM-based SoCs drivers changes" from Florian Fainelli: - Justin adds a soc_dev driver to properly report to user-space the Broadcom STB SoC family, product and revision - Florian reworks how the brcmstb_gisb driver dependency is done to enable it on Broadcom STB MIPS-based SoCs and remove a select in arch/arm/mach-bcm/Kconfig * tag 'arm-soc/for-4.7/drivers' of http://github.com/Broadcom/stblinux: bus: brcmstb_gisb: Rework dependencies soc: brcmstb: add SoC driver to brcmstb
2016-04-25drivers: firmware: psci: make two helper functions staticJisheng Zhang
psci_power_state_loses_context() and psci_power_state_is_valid are only used internally now, so make them static. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-04-25drivers: firmware: psci: drop duplicate const from psci_of_matchJisheng Zhang
This is to fix below sparse warning: drivers/firmware/psci.c:mmm:nn: warning: duplicate const Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-04-25Merge tag 'tegra-for-4.7-soc' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers Merge "soc/tegra: Changes for v4.7-rc1" from Thierry Reding: This contains a bunch of preparatory patches to the PMC driver which are a prerequisite to moving the driver to generic power domains. * tag 'tegra-for-4.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: dt-bindings: Update NVIDIA PMC for Tegra soc/tegra: pmc: Wait for powergate state to change soc/tegra: pmc: Ensure GPU partition can be toggled on/off by PMC soc/tegra: pmc: Remove additional check for a valid partition soc/tegra: pmc: Fix verification of valid partitions soc/tegra: pmc: Fix testing of powergate state soc/tegra: pmc: Change powergate and rail IDs to be an unsigned type soc/tegra: pmc: Protect public functions from potential race conditions soc/tegra: pmc: Restore base address on probe failure soc/tegra: pmc: Remove non-existing L2 partition for Tegra124 soc/tegra: pmc: Remove non-existing power partitions for Tegra210 soc/tegra: pmc: Remove debugfs entry on probe failure soc/tegra: pmc: Fix sparse warning for tegra_pmc_init_tsense_reset() soc/tegra: pmc: Add missing structure members to kernel-doc
2016-04-25Merge tag 'versatile-flash-for-arm-soc' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/drivers Merge "move Versatile flash protection to the device tree" from Linus Walleij: This is a set of patches removing the board file code for Versatile flash handling and instead moving it over to the device tree and a special add-on file. * tag 'versatile-flash-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator: ARM: integrator: move flash registration to device tree ARM: versatile: move flash registration to the device tree mtd: augment the "arm,versatile-flash" bindings mtd: physmap_of: add a hook for Versatile write protection Acked-by: Brian Norris <computersforpeace@gmail.com>
2016-04-22soc: renesas: rcar-sysc: Make rcar_sysc_power_is_off() staticGeert Uytterhoeven
As of commit b12ff41658171f53 ("ARM: shmobile: r8a7779: Remove legacy PM Domain remainings"), rcar_sysc_power_is_off() is no longer used from SoC-specific code. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-22soc: renesas: rcar-sysc: Add DT support for SYSC PM domainsGeert Uytterhoeven
Populate the SYSC PM domains from DT, based on the presence of a device node for the System Controller. The actual power area hiearchy, and features of specific areas are obtained from tables in the C code. The SYSCIER and SYSCIMR register values are derived from the power areas present, which will help to get rid of the hardcoded values in R-Car H1 and R-Car Gen2 platform code later. Initialization is done from an early_initcall(), to make sure the PM Domains are initialized before secondary CPU bringup. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-22soc: renesas: rcar-sysc: Improve rcar_sysc_power() debug infoGeert Uytterhoeven
Print requested power domain state. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-22soc: renesas: Move pm-rcar to drivers/soc/renesas/rcar-syscGeert Uytterhoeven
Move the pm-rcar driver from arch/arm/mach-shmobile/ to drivers/soc/renesas/, and its header file to include/linux/soc/renesas/, so it can be shared between arm32 (R-Car H1 and Gen2) and arm64 (R-Car Gen3). Rename it to rcar-sysc as it's really a driver for the R-Car System Controller (SYSC). Kill the intermediate PM_RCAR config symbol, as it's not user configurable anymore, and to prepare for SoC-specific make rules. Add the missing #include <linux/types.h> to rcar-sysc.h, which was exposed by different include order. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-22Merge tag 'clk-renesas-for-v4.7-tag2' of ↵Simon Horman
git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into rcar-sysc-for-v4.7 clk: renesas: R-Car SYSC PM Domain Preparation - Export the CPG/MSSR and CPG/MSTP attach/detach_dev callbacks, so they can be called by the R-Car SYSC PM Domain driver.
2016-04-20clk: renesas: cpg-mssr: Export cpg_mssr_{at,de}tach_dev()Geert Uytterhoeven
The R-Car SYSC PM Domain driver has to power manage devices in power areas using clocks. To reuse code and to share knowledge of clocks suitable for power management, this is ideally done through the existing cpg_mssr_attach_dev() and cpg_mssr_detach_dev() callbacks. Hence these callbacks can no longer rely on their "domain" parameter pointing to the CPG/MSSR Clock Domain. To handle this, keep a pointer to the clock domain in a static variable. cpg_mssr_attach_dev() has to support probe deferral, as the R-Car SYSC PM Domain may be initialized, and devices may be added to it, before the CPG/MSSR Clock Domain is initialized. Dummy callbacks are provided for the case where CPG/MSTP support is not included, so the rcar-sysc driver won't have to care about this. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2016-04-20clk: renesas: mstp: Provide dummy attach/detach_dev callbacksGeert Uytterhoeven
Provide dummy cpg_mstp_{at,de}tach_dev() PM Domain callbacks if CPG/MSTP support is not included, so the rcar-sysc driver won't have to care about this. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2016-04-20clk: renesas: Provide Kconfig symbols for CPG/MSSR and CPG/MSTP supportGeert Uytterhoeven
Currently the decision whether to build the renesas-cpg-mssr and clk-mstp drivers is handled by Makefile logic. However, the rcar-sysc driver will need to know whether CPG/MSSR and/or CPG/MSTP support are available or not. To avoid having to duplicate this logic, move it to Kconfig. Provide non-visible CLK_RENESAS_CPG_MSSR and CLK_RENESAS_CPG_MSTP Kconfig symbols, which can be used by both Makefiles and C code. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2016-04-19soc: qcom: smd: Make callback pass channel referenceBjorn Andersson
By passing the smd channel reference to the callback, rather than the smd device, we can open additional smd channels from sub-devices of smd devices. Also updates the two smd clients today found in mainline. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-04-19soc: qcom: smem: Use write-combine remap for SMEMBjorn Andersson
Mapping the SMEM region as write combine makes the contiguous writes in SMD perform better and also allows us to do unaligned read and writes on ARM64. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
2016-04-19Merge tag 'qcom-soc-for-4.7' into soc-for-4.7-p2Andy Gross
Qualcomm ARM Based SoC Updates for v4.7 * Add stubs for smem_state to fix build issues * Fix module usage in SPM driver * Add i2c and spi entries into QCOM MAINTAINERS entry * Add SMD multi channel support * Add clks to QCOM MAINTAINERS
2016-04-18bus: brcmstb_gisb: Rework dependenciesFlorian Fainelli
Do not have the machine Kconfig entry point need to select BRCMSTB_GISB_ARB, instead, just let it be default ARCH_BRCMSTB which is a better way to deal with this. While at it, also make it default BMIPS_GENERIC so the legacy MIPS-based STB platforms can benefit from the same thing. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2016-04-18soc: brcmstb: add SoC driver to brcmstbJustin Chen
Value of soc_dev_attributes: * family = chip family id * soc_id = product id * revision = product revision Signed-off-by: Justin Chen <justin.chen@broadcom.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2016-04-15soc: renesas: Add r8a7795 SYSC PM Domain Binding DefinitionsGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-15soc: renesas: Add r8a7794 SYSC PM Domain Binding DefinitionsGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-15soc: renesas: Add r8a7793 SYSC PM Domain Binding DefinitionsGeert Uytterhoeven
R-Car M2-N is identical to R-Car M2-W w.r.t. power domains, so reuse the definitions from the latter. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-15soc: renesas: Add r8a7791 SYSC PM Domain Binding DefinitionsGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-15soc: renesas: Add r8a7790 SYSC PM Domain Binding DefinitionsGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-15soc: renesas: Add r8a7779 SYSC PM Domain Binding DefinitionsGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-15PM / Domains: Add DT bindings for the R-Car System ControllerGeert Uytterhoeven
The Renesas R-Car System Controller provides power management for the CPU cores and various coprocessors, following the generic PM domain bindings in Documentation/devicetree/bindings/power/power_domain.txt. This supports R-Car Gen1 (H1), Gen2, and Gen3. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2016-04-13Merge tag 'v4.7-rockchip-drivers-1' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers Rockchip soc-specific driver changes containing support for the rk3399 powerdomains and necessary infrastructure changes to accomodate them - like supporting nested powerdomains here. * tag 'v4.7-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: soc: rockchip: power-domain: check the existing of regmap soc: rockchip: power-domain: Modify power domain driver for rk3399 dt-bindings: add binding for rk3399 power domains dt-bindings: add power-domain header for RK3399 SoCs soc: rockchip: power-domain: add support for sub-power domains soc: rockchip: power-domain: allow domains only handling idle requests soc: rockchip: power-domain: make idle handling optional Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-13Merge tag 'renesas-simple-pm-bus-for-v4.7' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers Renesas ARM Based SoC Simple PM Bus Updates for v4.7 * Use ARCH_RENESAS in Kconfig * tag 'renesas-simple-pm-bus-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: bus: simple-pm-bus: Use ARCH_RENESAS Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-13Merge tag 'reset-for-4.7' of git://git.pengutronix.de/git/pza/linux into ↵Olof Johansson
next/drivers Reset controller changes for v4.7 - add support for shared reset controls - remove global variables from the lpc18xx driver * tag 'reset-for-4.7' of git://git.pengutronix.de/git/pza/linux: reset: lpc18xx: get rid of global variables for restart notifier reset: Add support for shared reset controls reset: Share struct reset_control between reset_control_get calls reset: Make [of_]reset_control_get[_foo] functions wrappers Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-13Merge tag 'qcom-soc-for-4.7' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers Qualcomm ARM Based SoC Updates for v4.7 * Add stubs for smem_state to fix build issues * Fix module usage in SPM driver * Add i2c and spi entries into QCOM MAINTAINERS entry * Add SMD multi channel support * Add clks to QCOM MAINTAINERS * tag 'qcom-soc-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux: soc: qcom: smd: Support opening additional channels soc: qcom: smd: Support multiple channels per sdev soc: qcom: smd: Refactor channel open and close handling soc: qcom: smd: Split discovery and state change work soc: qcom: smd: Introduce callback setter drivers: qcom: spm: avoid module usage in non-modular SPM driver soc: qcom: smem_state: Add stubs for disabled smem_state MAINTAINERS: add qcom clocks to the maintainers list MAINTAINERS: add qcom i2c and spi drivers to list Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-12soc: rockchip: power-domain: check the existing of regmapShawn Lin
Check return value of syscon_node_to_regmap for rockchip_pm_domain_probe. If err value is returned, probe procedure should abort. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-04-10Linux 4.6-rc3v4.6-rc3Linus Torvalds
2016-04-10Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds
Pull ARM fixes from Russell King: "A couple of small fixes, and wiring up the new syscalls which appeared during the merge window" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8550/1: protect idiv patching against undefined gcc behavior ARM: wire up preadv2 and pwritev2 syscalls ARM: SMP enable of cache maintanence broadcast
2016-04-10Merge tag 'mmc-v4.6-rc1' of git://git.linaro.org/people/ulf.hansson/mmcLinus Torvalds
Pull MMC fixes from Ulf Hansson: "Here are a couple of mmc fixes intended for v4.6 rc3: MMC host: - sdhci: Fix regression setting power on Trats2 board - sdhci-pci: Add support and PCI IDs for more Broxton host controllers" * tag 'mmc-v4.6-rc1' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: sdhci-pci: Add support and PCI IDs for more Broxton host controllers mmc: sdhci: Fix regression setting power on Trats2 board
2016-04-10Merge branch 'i2c/for-current' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Some bugfixes from I2C: - fix a uevent triggered boot problem by removing a useless debug print - fix sysfs-attributes of the new i2c-demux-pinctrl driver to follow standard kernel behaviour - fix a potential division-by-zero error (needed two takes)" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: jz4780: really prevent potential division by zero Revert "i2c: jz4780: prevent potential division by zero" i2c: jz4780: prevent potential division by zero i2c: mux: demux-pinctrl: Update docs to new sysfs-attributes i2c: mux: demux-pinctrl: Clean up sysfs attributes i2c: prevent endless uevent loop with CONFIG_I2C_DEBUG_CORE
2016-04-10Revert "ext4: allow readdir()'s of large empty directories to be interrupted"Linus Torvalds
This reverts commit 1028b55bafb7611dda1d8fed2aeca16a436b7dff. It's broken: it makes ext4 return an error at an invalid point, causing the readdir wrappers to write the the position of the last successful directory entry into the position field, which means that the next readdir will now return that last successful entry _again_. You can only return fatal errors (that terminate the readdir directory walk) from within the filesystem readdir functions, the "normal" errors (that happen when the readdir buffer fills up, for example) happen in the iterorator where we know the position of the actual failing entry. I do have a very different patch that does the "signal_pending()" handling inside the iterator function where it is allowable, but while that one passes all the sanity checks, I screwed up something like four times while emailing it out, so I'm not going to commit it today. So my track record is not good enough, and the stars will have to align better before that one gets committed. And it would be good to get some review too, of course, since celestial alignments are always an iffy debugging model. IOW, let's just revert the commit that caused the problem for now. Reported-by: Greg Thelen <gthelen@google.com> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-09Merge branch 'parisc-4.6-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc fixes from Helge Deller: "Since commit 0de798584bde ("parisc: Use generic extable search and sort routines") module loading is boken on parisc, because the parisc module loader wasn't prepared for the new R_PARISC_PCREL32 relocations. In addition, due to that breakage, Mikulas Patocka noticed that handling exceptions from modules probably never worked on parisc. It was just masked by the fact that exceptions from modules don't happen during normal use. This patch series fixes those issues and survives the tests of the lib/test_user_copy kernel module test. Some patches are tagged for stable" * 'parisc-4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Update comment regarding relative extable support parisc: Unbreak handling exceptions from kernel modules parisc: Fix kernel crash with reversed copy_from_user() parisc: Avoid function pointers for kernel exception routines parisc: Handle R_PARISC_PCREL32 relocations in kernel modules
2016-04-09Merge branch 'libnvdimm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm fixes from Dan Williams: "Three fixes, the first two are tagged for -stable: - The ndctl utility/library gained expanded unit tests illuminating a long standing bug in the libnvdimm SMART data retrieval implementation. It has been broken since its initial implementation, now fixed. - Another one line fix for the detection of stale info blocks. Without this change userspace can get into a situation where it is unable to reconfigure a namespace. - Fix the badblock initialization path in the presence of the new (in v4.6-rc1) section alignment workarounds. Without this change badblocks will be reported at the wrong offset. These have received a build success report from the kbuild robot and have appeared in -next with no reported issues" * 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: libnvdimm, pfn: fix nvdimm_namespace_add_poison() vs section alignment libnvdimm, pfn: fix uuid validation libnvdimm: fix smart data retrieval