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2020-09-26Merge tag 'renesas-drivers-for-v5.10-tag2' of ↵Olof Johansson7-169/+754
git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/drivers Renesas driver updates for v5.10 (take two) - Add core support for the R-Car V3U (R8A779A0) SoC, including System Controller (SYSC) and Reset (RST) support, - Various Kconfig cleanups. * tag 'renesas-drivers-for-v5.10-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel: soc: renesas: r8a779a0-sysc: Add r8a779a0 support soc: renesas: rcar-rst: Add support for R-Car V3U soc: renesas: Identify R-Car V3U soc: renesas: Sort driver description title soc: renesas: Use ARM32/ARM64 for menu description dt-bindings: clock: Add r8a779a0 CPG Core Clock Definitions dt-bindings: power: Add r8a779a0 SYSC power domain definitions Link: https://lore.kernel.org/r/20200918124800.15555-4-geert+renesas@glider.be Signed-off-by: Olof Johansson <olof@lixom.net>
2020-09-16soc: renesas: r8a779a0-sysc: Add r8a779a0 supportYoshihiro Shimoda3-0/+453
Add support for R-Car V3U (R8A779A0) SoC power areas and register access, because register specification differs from R-Car Gen2/3. Inspired by patches in the BSP by Tho Vu. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1599810232-29035-5-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-15Merge tag 'scmi-updates-5.10' of ↵Olof Johansson18-59/+238
git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/drivers ARM SCMI updates for v5.10 Couple of main additions: SCMI system protocol support and ability to build SCMI driver as a single module which is needed by some transports like virtio as they may not be ready early during the boot. This also includes constification of scmi ops and related function pointers. * tag 'scmi-updates-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: firmware: arm_scmi: Enable building as a single module firmware: arm_scmi: Move scmi protocols registration into the driver firmware: arm_scmi: Move scmi bus init and exit calls into the driver firmware: smccc: Export both smccc functions firmware: arm_scmi: Fix NULL pointer dereference in mailbox_chan_free firmware: arm_scmi: Add SCMI device for system power protocol firmware: arm_scmi: Add system power protocol support firmware: arm_scmi: Constify static scmi-ops firmware: arm_scmi: Constify ops pointers in scmi_handle cpufreq: arm_scmi: Constify scmi_perf_ops pointers Link: https://lore.kernel.org/r/20200914075018.2rvytvghxyutcbk4@bogus Signed-off-by: Olof Johansson <olof@lixom.net>
2020-09-14firmware: arm_scmi: Enable building as a single moduleSudeep Holla4-4/+6
Now, with all the plumbing in place to enable building scmi as a module instead of built-in modules, let us enable the same. Link: https://lore.kernel.org/r/20200907195046.56615-5-sudeep.holla@arm.com Tested-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-14firmware: arm_scmi: Move scmi protocols registration into the driverSudeep Holla8-37/+42
In preparation to enable building SCMI as a single module, let us move the SCMI protocol registration call into the driver. This enables us to also add unregistration of the SCMI protocols. The main reason for this is to keep it simple instead of maintaining it as separate modules and dealing with all possible initcall races and deferred probe handling. We can move it as separate modules if needed in future. Link: https://lore.kernel.org/r/20200907195046.56615-4-sudeep.holla@arm.com Tested-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-14firmware: arm_scmi: Move scmi bus init and exit calls into the driverSudeep Holla3-5/+20
In preparation to enable building scmi as a single module, let us move the scmi bus {de-,}initialisation call into the driver. The main reason for this is to keep it simple instead of maintaining it as separate modules and dealing with all possible initcall races and deferred probe handling. We can move it as separate modules if needed in future. Link: https://lore.kernel.org/r/20200907195046.56615-3-sudeep.holla@arm.com Tested-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-14firmware: smccc: Export both smccc functionsSudeep Holla1-0/+2
We need to export both arm_smccc_1_1_get_conduit and arm_smccc_get_version to allow several modules make use of them. Arm FFA, Arm SCMI and PTP drivers are few drivers that are planning to use these functions. Let us export them in preparation to add support for SCMI as module. Link: https://lore.kernel.org/r/20200907195046.56615-2-sudeep.holla@arm.com Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-13Merge tag 'arm-soc/for-5.10/drivers' of https://github.com/Broadcom/stblinux ↵Olof Johansson17-14/+736
into arm/drivers This pull request contains Broadcom SoCs drivers changes for 5.10, please pull the following: - Alvaro adds support for the BCM63xx (DSL) SoCs power domain controller and adds support for the 6318, 6328, 6362, 63268. - Florian adds support for tuning the Bus Interface Unit on 72164 and 72165, enables the Brahma-B53 and Cortex-A72 read-ahead cache for the 64-bit capable ARCH_BRCMSTB platforms, and finally updates the GISB driver to support breakpoint notifications. * tag 'arm-soc/for-5.10/drivers' of https://github.com/Broadcom/stblinux: bus: brcmstb_gisb: Add support for breakpoint interrupts dt-bindings: bus: Document breakpoint interrupt for gisb-arb soc: bcm: brcmstb: biuctrl: Change RAC data line prefetching after 4 consecutive lines soc: bcm: brcmstb: biuctrl: Change RAC prefetch distance from +/-1 to +/- 2 soc: bcm: brcmstb: biuctrl: Tune MCP settings for 72165 soc: bcm: brcmstb: biuctrl: Tune MCP settings for 72164 MIPS: BMIPS: dts: add BCM63268 power domain support MIPS: BMIPS: dts: add BCM6362 power domain support MIPS: BMIPS: dts: add BCM6328 power domain support soc: bcm: add BCM63xx power domain driver MIPS: BMIPS: add BCM6318 power domain definitions MIPS: BMIPS: add BCM63268 power domain definitions MIPS: BMIPS: add BCM6362 power domain definitions MIPS: BMIPS: add BCM6328 power domain definitions dt-bindings: soc: brcm: add BCM63xx power domain binding soc: bcm: brcmstb: biuctrl: Enable Read-ahead cache bus: brcmstb_gisb: Shorten prints Link: https://lore.kernel.org/r/20200912032153.1216354-3-f.fainelli@gmail.com Signed-off-by: Olof Johansson <olof@lixom.net>
2020-09-13Merge tag 'memory-controller-drv-5.10' of ↵Olof Johansson12-232/+305
https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers Memory controller drivers for v5.10 1. Fixes in several drivers for GCC warnings, including kerneldoc fixes and issues discovered while compile testing. 2. Enable compile testing of most of the drivers. 3. Use dev_err_probe() to simplify the code. 4. omap-gpmc: fix off by one errors, code cleanups and improvements. 5. tegra: remove the GPU from DRM IOMMU group so it would use its own; few minor fixes. 6. brcmstb_dpfe: fix memory leak and array index out of bounds. * tag 'memory-controller-drv-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl: (26 commits) memory: fsl-corenet-cf: Fix handling of platform_get_irq() error memory: omap-gpmc: Fix -Wunused-function warnings memory: tegra: Remove GPU from DRM IOMMU group memory: tegra186-emc: Simplify with dev_err_probe() memory: brcmstb_dpfe: Simplify with dev_err_probe() memory: samsung: exynos5422-dmc: add missing and fix kerneldoc memory: samsung: exynos5422-dmc: remove unused exynos5_dmc members memory: samsung: exynos5422-dmc: rename timing register fields variables memory: emif: Remove bogus debugfs error handling memory: omap-gpmc: Fix build error without CONFIG_OF memory: omap-gpmc: Fix a couple off by ones memory: brcmstb_dpfe: fix array index out of bounds memory: brcmstb_dpfe: Fix memory leak memory: tegra: Correct shift value of apew memory: Enable compile testing for most of the drivers memory: brcmstb_dpfe: add separate entry for compile test memory: tegra: tegra210-emc: fix indentation memory: renesas-rpc-if: simplify with PTR_ERR_OR_ZERO memory: omap-gpmc: consistently use !res for NULL checks memory: omap-gpmc: use WARN() instead of BUG() on wrong free ... Link: https://lore.kernel.org/r/20200907150611.11267-1-krzk@kernel.org Signed-off-by: Olof Johansson <olof@lixom.net>
2020-09-13Merge tag 'renesas-drivers-for-v5.10-tag1' of ↵Olof Johansson1-57/+57
git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/drivers Renesas driver updates for v5.10 - Improve visual Kconfig structure. * tag 'renesas-drivers-for-v5.10-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel: soc: renesas: Align driver description titles soc: renesas: Use menu for Renesas SoC Link: https://lore.kernel.org/r/20200904114819.30254-4-geert+renesas@glider.be Signed-off-by: Olof Johansson <olof@lixom.net>
2020-09-13Merge tag 'optee-i2c-fix-for-v5.10' of ↵Olof Johansson1-1/+1
git://git.linaro.org:/people/jens.wiklander/linux-tee into arm/drivers Make sure I2C functions used in OP-TEE are reachable with IS_REACHABLE() * tag 'optee-i2c-fix-for-v5.10' of git://git.linaro.org:/people/jens.wiklander/linux-tee: drivers: optee: fix i2c build issue Link: https://lore.kernel.org/r/20200901101806.GA3286324@jade Signed-off-by: Olof Johansson <olof@lixom.net>
2020-09-11Merge tag 'renesas-r8a779a0-dt-binding-defs-tag' into renesas-drivers-for-v5.10Geert Uytterhoeven2-0/+114
Renesas R-Car V3U DT Binding Definitions Clock and Power Domain definitions for the Renesas R-Car V3U (R8A779A0) SoC, shared by driver and DT source files.
2020-09-10soc: renesas: rcar-rst: Add support for R-Car V3UYoshihiro Shimoda1-0/+6
Add support for R-Car V3U (R8A779A0) to the R-Car RST driver. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1599470390-29719-12-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-10soc: renesas: Identify R-Car V3UYoshihiro Shimoda2-0/+14
Add support for identifying the R-Car V3U (R8A779A0) SoC. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1599470390-29719-10-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-10soc: renesas: Sort driver description titleKuninori Morimoto1-159/+157
This patch sorts each driver by description title in alphabetical order. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87a6y2v54o.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-10soc: renesas: Use ARM32/ARM64 for menu descriptionKuninori Morimoto1-32/+32
For easy understanding of architecture and alphabetical merging, this patch uses ARM32/ARM64 for description. This prepares for sorting the menu. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87bliiv54u.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-10dt-bindings: clock: Add r8a779a0 CPG Core Clock DefinitionsYoshihiro Shimoda1-0/+55
Add all Clock Pulse Generator Core Clock Outputs for the Renesas R-Car V3U (R8A779A0) SoC. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1599657211-17504-2-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-10dt-bindings: power: Add r8a779a0 SYSC power domain definitionsYoshihiro Shimoda1-0/+59
Add power domain indices for R-Car V3U (r8a779a0). Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1599470390-29719-5-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-09firmware: arm_scmi: Fix NULL pointer dereference in mailbox_chan_freeSudeep Holla1-1/+1
scmi_mailbox is obtained from cinfo->transport_info and the first call to mailbox_chan_free frees the channel and sets cinfo->transport_info to NULL. Care is taken to check for non NULL smbox->chan but smbox can itself be NULL. Fix it by checking for it without which, kernel crashes with below NULL pointer dereference and eventually kernel panic. Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 Modules linked in: scmi_module(-) Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform, BIOS EDK II Sep 2 2020 pstate: 80000005 (Nzcv daif -PAN -UAO BTYPE=--) pc : mailbox_chan_free+0x2c/0x70 [scmi_module] lr : idr_for_each+0x6c/0xf8 Call trace: mailbox_chan_free+0x2c/0x70 [scmi_module] idr_for_each+0x6c/0xf8 scmi_remove+0xa8/0xf0 [scmi_module] platform_drv_remove+0x34/0x58 device_release_driver_internal+0x118/0x1f0 driver_detach+0x58/0xe8 bus_remove_driver+0x64/0xe0 driver_unregister+0x38/0x68 platform_driver_unregister+0x1c/0x28 scmi_driver_exit+0x38/0x44 [scmi_module] ---[ end trace 17bde19f50436de9 ]--- Kernel panic - not syncing: Fatal exception SMP: stopping secondary CPUs Kernel Offset: 0x1d0000 from 0xffff800010000000 PHYS_OFFSET: 0x80000000 CPU features: 0x0240022,25806004 Memory Limit: none ---[ end Kernel panic - not syncing: Fatal exception ]--- Link: https://lore.kernel.org/r/20200908112611.31515-1-sudeep.holla@arm.com Fixes: 5c8a47a5a91d ("firmware: arm_scmi: Make scmi core independent of the transport type") Cc: Cristian Marussi <cristian.marussi@arm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Tested-by: Cristian Marussi <cristian.marussi@arm.com> Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-08firmware: arm_scmi: Add SCMI device for system power protocolCristian Marussi1-0/+1
Add SCMI device for system power protocol by just adding the name "syspower" to the list of supported core protocol devices. Link: https://lore.kernel.org/r/20200907174657.32466-3-cristian.marussi@arm.com Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-08firmware: arm_scmi: Add system power protocol supportCristian Marussi3-1/+155
Add bare protocol support for SCMI system power protocol as needed by an OSPM agent: basic initialization and SYSTEM_POWER_STATE_NOTIFIER core notification support. No event-handling logic is attached to such notification.. Link: https://lore.kernel.org/r/20200907174657.32466-2-cristian.marussi@arm.com Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-07firmware: arm_scmi: Constify static scmi-opsRikard Falkeborn9-9/+9
These are never modified, so make them const to allow the compiler to put them in read-only memory. Link: https://lore.kernel.org/r/20200906230452.33410-4-rikard.falkeborn@gmail.com Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-07firmware: arm_scmi: Constify ops pointers in scmi_handleRikard Falkeborn1-6/+6
These are never modified, so make them const to allow drivers to make them const. Link: https://lore.kernel.org/r/20200906230452.33410-3-rikard.falkeborn@gmail.com Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-07cpufreq: arm_scmi: Constify scmi_perf_ops pointersRikard Falkeborn1-3/+3
The perf_ops are not modified through this pointer. Make them const to indicate that. This is in preparation to make the scmi-ops pointers in scmi_handle const. Link: https://lore.kernel.org/r/20200906230452.33410-2-rikard.falkeborn@gmail.com Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2020-09-07bus: brcmstb_gisb: Add support for breakpoint interruptsFlorian Fainelli1-1/+95
GISB breakpoint interrupts can be raised when a breakpoint has been enabled to match a specific master and/or GISB register address. Being able to print a message, similar to those done during target abort or timeout greatly helps debug systems. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2020-09-07dt-bindings: bus: Document breakpoint interrupt for gisb-arbFlorian Fainelli1-1/+2
The GISB arbiter can have a third and optional interrupt to handle GISB breakpoints. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2020-09-06soc: bcm: brcmstb: biuctrl: Change RAC data line prefetching after 4 ↵Florian Fainelli1-2/+6
consecutive lines Change the RACPREFDATA(x) setting to prefetch the next 256-byte line after 4 consecutive lines have been used, instead of after 2 consecutive lines. This does improve the synthetic memcpy benchmark by an additional +0.5% on top of the previous change for Cortex-A72 CPUs. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2020-09-04soc: bcm: brcmstb: biuctrl: Change RAC prefetch distance from +/-1 to +/- 2Florian Fainelli1-4/+16
Change the RAC prefetch distance from +/- 1 to +/- 2 for Cortex-A72 CPUs since this provides an average of a 3.8% performance increase for synthetic memcpy benchmarks. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2020-09-04soc: bcm: brcmstb: biuctrl: Tune MCP settings for 72165Florian Fainelli1-0/+1
72165 uses a Brahma-B53 CPU and its Bus Interface Unit, tune it according to the existing values we have. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2020-09-04soc: bcm: brcmstb: biuctrl: Tune MCP settings for 72164Florian Fainelli1-0/+1
72164 uses a Brahma-B53 CPU and its Bus Interface Unit, tune it according to the existing values we have. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2020-09-02memory: fsl-corenet-cf: Fix handling of platform_get_irq() errorKrzysztof Kozlowski1-4/+2
platform_get_irq() returns -ERRNO on error. In such case comparison to 0 would pass the check. Fixes: 54afbec0d57f ("memory: Freescale CoreNet Coherency Fabric error reporting driver") Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200827073315.29351-1-krzk@kernel.org
2020-09-02memory: omap-gpmc: Fix -Wunused-function warningsYueHaibing1-57/+57
If CONFIG_OF is not set, make W=1 warns: drivers/memory/omap-gpmc.c:987:12: warning: ‘gpmc_cs_remap’ defined but not used [-Wunused-function] drivers/memory/omap-gpmc.c:926:20: warning: ‘gpmc_cs_get_name’ defined but not used [-Wunused-function] drivers/memory/omap-gpmc.c:919:13: warning: ‘gpmc_cs_set_name’ defined but not used [-Wunused-function] Move them to #ifdef CONFIG_OF block to fix this. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Roger Quadros <rogerq@ti.com> Link: https://lore.kernel.org/r/20200901112832.3084-1-yuehaibing%40huawei.com Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2020-09-02memory: tegra: Remove GPU from DRM IOMMU groupThierry Reding1-1/+0
Commit 63a613fdb16c ("memory: tegra: Add gr2d and gr3d to DRM IOMMU group") added the GPU to the DRM IOMMU group, which doesn't make any sense. This causes problems when Nouveau tries to attach to the SMMU and causes it to fall back to using the DMA API. Remove the GPU from the DRM groups to restore the old behaviour. The GPU should always have its own IOMMU domain to make sure it can map buffers into contiguous chunks (for big page support) without getting in the way of mappings from the DRM group. Cc: <stable@vger.kernel.org> Fixes: 63a613fdb16c ("memory: tegra: Add gr2d and gr3d to DRM IOMMU group") Reported-by: Matias Zuniga <matias.nicolas.zc@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Link: https://lore.kernel.org/r/20200901153248.1831263-1-thierry.reding@gmail.com Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2020-09-02memory: tegra186-emc: Simplify with dev_err_probe()Krzysztof Kozlowski1-8/+2
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200828153747.22358-2-krzk@kernel.org
2020-09-02memory: brcmstb_dpfe: Simplify with dev_err_probe()Krzysztof Kozlowski1-5/+2
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Markus Mayer <mmayer@broadcom.com> Link: https://lore.kernel.org/r/20200828153747.22358-1-krzk@kernel.org
2020-09-01memory: samsung: exynos5422-dmc: add missing and fix kerneldocKrzysztof Kozlowski1-4/+42
Add missing kerneldoc to struct exynos5_dmc and correct the existing kerneldoc in other places to fix W=1 warnings like: drivers/memory/samsung/exynos5422-dmc.c:107: warning: Function parameter or member 'freq_hz' not described in 'dmc_opp_table' drivers/memory/samsung/exynos5422-dmc.c:154: warning: Function parameter or member 'dev' not described in 'exynos5_dmc' drivers/memory/samsung/exynos5422-dmc.c:357: warning: Excess function parameter 'param' description in 'exynos5_set_bypass_dram_timings' drivers/memory/samsung/exynos5422-dmc.c:630: warning: Function parameter or member 'flags' not described in 'exynos5_dmc_get_volt_freq' drivers/memory/samsung/exynos5422-dmc.c:962: warning: cannot understand function prototype: 'struct devfreq_dev_profile exynos5_dmc_df_profile = ' drivers/memory/samsung/exynos5422-dmc.c:1011: warning: Function parameter or member 'reg_timing_row' not described in 'create_timings_aligned' drivers/memory/samsung/exynos5422-dmc.c:1011: warning: Excess function parameter 'idx' description in 'create_timings_aligned' drivers/memory/samsung/exynos5422-dmc.c:1345: warning: Excess function parameter 'set' description in 'exynos5_dmc_set_pause_on_switching' Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lore.kernel.org/r/20200822163218.21857-3-krzk@kernel.org
2020-09-01memory: samsung: exynos5422-dmc: remove unused exynos5_dmc membersKrzysztof Kozlowski1-9/+0
The struct exynos5_dmc members bypass_rate, mx_mspll_ccore_phy, mout_mx_mspll_ccore_phy and opp_bypass are not actually used. Apparently there was a plan to store the OPP for the bypass mode in opp_bypass member, but driver fails to do it and instead always sets target voltage during bypass mode. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200822163218.21857-2-krzk@kernel.org
2020-09-01memory: samsung: exynos5422-dmc: rename timing register fields variablesKrzysztof Kozlowski1-24/+25
The driver has file-scope arrays defining fields of timing registers (e.g. struct timing_reg timing_row) and actual values for these registers per each OPP in state container (struct exynos5_dmc.timing_row). The meanings of these are different so use different names to avoid confusion. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lore.kernel.org/r/20200822163218.21857-1-krzk@kernel.org
2020-09-01drivers: optee: fix i2c build issueJorge Ramirez-Ortiz1-1/+1
When the optee driver is compiled into the kernel while the i2c core is configured as a module, the i2c symbols are not available. This commit addresses the situation by disabling the i2c support for this use case while allowing it in all other scenarios: i2c=y, optee=y i2c=m, optee=m i2c=y, optee=m i2c=m, optee=y (not supported) Fixes: c05210ab9757 ("drivers: optee: allow op-tee to access devices on the i2c bus") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
2020-09-01soc: renesas: Align driver description titlesKuninori Morimoto1-56/+56
Now, Renesas SoC drivers are under menu, but current descriptions are not aligned. This patch aligns them. - Emma Mobile EV2 - RZ/A1H (R7S72100) ... - R-Car H2 (R8A77900) ... - Renesas R-Car H3 ES1.x SoC Platform ... - R-Car H2 System Controller support - R-Car M2-W/N System Controller support - R-Car V2H System Controller support - R-Car E2 System Controller support - R-Car H3 System Controller support - R-Car M3-W System Controller support - R-Car M3-W+ System Controller support - R-Car M3-N System Controller support + SoC Platform support for Emma Mobile EV2 + SoC Platform support for RZ/A1H+ ... + SoC Platform support for R-Car H2 ... + SoC Platform support for R-Car H3 ES1.x ... + System Controller support for R-Car H2 + System Controller support for R-Car M2-W/N + System Controller support for R-Car V2H + System Controller support for R-Car E2 + System Controller support for R-Car H3 + System Controller support for R-Car M3-W + System Controller support for R-Car M3-W+ + System Controller support for R-Car M3-N Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87zh6kyedc.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-27memory: emif: Remove bogus debugfs error handlingDan Carpenter1-28/+5
Callers are generally not supposed to check the return values from debugfs functions. Debugfs functions never return NULL so this error handling will never trigger. (Historically debugfs functions used to return a mix of NULL and error pointers but it was eventually deemed too complicated for something which wasn't intended to be used in normal situations). Delete all the error handling. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Link: https://lore.kernel.org/r/20200826113759.GF393664@mwanda Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2020-08-27memory: omap-gpmc: Fix build error without CONFIG_OFYueHaibing1-0/+4
If CONFIG_OF is n, gcc fails: drivers/memory/omap-gpmc.o: In function `gpmc_omap_onenand_set_timings': omap-gpmc.c:(.text+0x2a88): undefined reference to `gpmc_read_settings_dt' Add gpmc_read_settings_dt() helper function, which zero the gpmc_settings so the caller doesn't proceed with random/invalid settings. Fixes: a758f50f10cf ("mtd: onenand: omap2: Configure driver from DT") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Roger Quadros <rogerq@ti.com> Link: https://lore.kernel.org/r/20200827125316.20780-1-yuehaibing@huawei.com Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2020-08-27Merge tag 'tee-pin-user-pages-for-5.10' of ↵Olof Johansson1-13/+19
git://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers Converts tee subsystem to use pin_user_pages() instead of get_user_pages() * tag 'tee-pin-user-pages-for-5.10' of git://git.linaro.org/people/jens.wiklander/linux-tee: tee: convert get_user_pages() --> pin_user_pages() Link: https://lore.kernel.org/r/20200825090715.GA2370775@jade Signed-off-by: Olof Johansson <olof@lixom.net>
2020-08-26memory: omap-gpmc: Fix a couple off by onesDan Carpenter1-2/+2
These comparisons should be >= instead of > to prevent reading one element beyond the end of the gpmc_cs[] array. Fixes: cdd6928c589a ("ARM: OMAP2+: Add device-tree support for NOR flash") Fixes: f37e4580c409 ("ARM: OMAP2: Dynamic allocator for GPMC memory space") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Roger Quadros <rogerq@ti.com> Link: https://lore.kernel.org/r/20200825104707.GB278587@mwanda Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2020-08-25soc: renesas: Use menu for Renesas SoCKuninori Morimoto1-1/+1
Renesas related SoC settings are located on TOP level menu, thus it is very verbose. This patch groups Renesas related settings into "Renesas SoC driver support" menu. And it aligns config menu names. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87k0xxho7t.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-25tee: convert get_user_pages() --> pin_user_pages()John Hubbard1-13/+19
This code was using get_user_pages*(), in a "Case 2" scenario (DMA/RDMA), using the categorization from [1]. That means that it's time to convert the get_user_pages*() + put_page() calls to pin_user_pages*() + unpin_user_pages() calls. Factor out a new, small release_registered_pages() function, in order to consolidate the logic for discerning between TEE_SHM_USER_MAPPED and TEE_SHM_KERNEL_MAPPED pages. This also absorbs the kfree() call that is also required there. There is some helpful background in [2]: basically, this is a small part of fixing a long-standing disconnect between pinning pages, and file systems' use of those pages. [1] Documentation/core-api/pin_user_pages.rst [2] "Explicit pinning of user-space pages": https://lwn.net/Articles/807108/ Cc: Jens Wiklander <jens.wiklander@linaro.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: tee-dev@lists.linaro.org Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linaro-mm-sig@lists.linaro.org Signed-off-by: John Hubbard <jhubbard@nvidia.com> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
2020-08-22memory: brcmstb_dpfe: fix array index out of boundsMarkus Mayer1-7/+16
We would overrun the error_text array if we hit a TIMEOUT condition, because we were using the error code "ETIMEDOUT" (which is 110) as an array index. We fix the problem by correcting the array index and by providing a function to retrieve error messages rather than accessing the array directly. The function includes a bounds check that prevents the array from being overrun. Link: https://lore.kernel.org/linux-arm-kernel/38d00022-730c-948a-917c-d86382df8cb9@canonical.com/ Link: https://lore.kernel.org/r/20200822205000.15841-1-mmayer@broadcom.com Fixes: 2f330caff577 ("memory: brcmstb: Add driver for DPFE") Reported-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Markus Mayer <mmayer@broadcom.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2020-08-21Merge tag 'tee-memref-null-for-v5.10' of ↵Olof Johansson5-18/+57
git://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers Handle NULL pointer indication from tee client Adds support to indicate NULL pointers instead of a valid buffer when querying the needed size of a buffer. * tag 'tee-memref-null-for-v5.10' of git://git.linaro.org/people/jens.wiklander/linux-tee: driver: tee: Handle NULL pointer indication from client Link: https://lore.kernel.org/r/20200821102535.GA1872111@jade Signed-off-by: Olof Johansson <olof@lixom.net>
2020-08-21Merge tag 'optee-i2c-for-v5.10' of ↵Olof Johansson3-0/+117
git://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers Enable i2c device access from OP-TEE RPC Extends the OP-TEE RPC protocol to enable I2C device access. This allows a driver in secure world to access devices on a normal world I2C bus. * tag 'optee-i2c-for-v5.10' of git://git.linaro.org/people/jens.wiklander/linux-tee: drivers: optee: allow op-tee to access devices on the i2c bus Link: https://lore.kernel.org/r/20200821100532.GA1868056@jade Signed-off-by: Olof Johansson <olof@lixom.net>
2020-08-21drivers: optee: allow op-tee to access devices on the i2c busJorge Ramirez-Ortiz3-0/+117
Some secure elements like NXP's SE050 sit on I2C buses. For OP-TEE to control this type of cryptographic devices it needs coordinated access to the bus, so collisions and RUNTIME_PM dont get in the way. This trampoline driver allow OP-TEE to access them. Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-05 20:01:53 +0300