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2021-07-16ARM: multi_v7_defconfig: Make NOP_USB_XCEIV driver built-inStefan Wahren1-1/+1
The usage of usb-nop-xceiv PHY on Raspberry Pi boards with BCM283x has been a "regression source" a lot of times. The last case is breakage of USB mass storage boot has been commit e590474768f1 ("driver core: Set fw_devlink=on by default") for multi_v7_defconfig. As long as NOP_USB_XCEIV is configured as module, the dwc2 USB driver defer probing endlessly and prevent booting from USB mass storage device. So make the driver built-in as in bcm2835_defconfig and arm64/defconfig. Fixes: e590474768f1 ("driver core: Set fw_devlink=on by default") Reported-by: Ojaswin Mujoo <ojaswin98@gmail.com> Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Link: https://lore.kernel.org/r/1625915095-23077-1-git-send-email-stefan.wahren@i2se.com' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-07-16ARM: configs: Update u8500_defconfigLinus Walleij1-0/+5
The platform lost the framebuffer due to a commit solving a circular dependency in v5.14-rc1, so add it back in by explicitly selecting the framebuffer. The U8500 has also gained a few systems using touchscreens from Cypress, Melfas and Zinitix so add these at the same time as we're updating the defconfig anyway. Fixes: f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Cc: phone-devel@vger.kernel.org Cc: Kees Cook <keescook@chromium.org> Cc: Arnd Bergmann <arnd@kernel.org> Cc: Stephan Gerhold <stephan@gerhold.net> Cc: newbyte@disroot.org Link: https://lore.kernel.org/r/20210712085522.672482-1-linus.walleij@linaro.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-07-16ARM: configs: Update Vexpress defconfigLinus Walleij1-10/+7
This updates the Versatile Express defconfig for the changes in the v5.14-rc1 kernel: - The Framebuffer CONFIG_FB needs to be explicitly selected or we don't get any framebuffer anymore. DRM has stopped to select FB because of circular dependency. - CONFIG_CMA options were moved around. - CONFIG_MODULES options were moved around. - CONFIG_CRYPTO_HW was moved around. Fixes: f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Cc: Kees Cook <keescook@chromium.org> Cc: Sudeep Holla <sudeep.holla@arm.com> Link: https://lore.kernel.org/r/20210713133708.94397-1-linus.walleij@linaro.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-07-16ARM: configs: Update Versatile defconfigLinus Walleij1-3/+1
This updates the Versatile defconfig for the changes in the v5.14-rc1 kernel: - The Framebuffer CONFIG_FB needs to be explicitly selected or we don't get any framebuffer anymore. DRM has stopped to select FB because of circular dependency. - The CONFIG_FB_MODE_HELPERS are not needed when using DRM framebuffer emulation as DRM does. - The Acorn fonts are removed, the default framebuffer font works fine. I don't know why this was selected in the first place or how the Kconfig was altered so it was removed. Fixes: f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20210714081819.139210-1-linus.walleij@linaro.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-07-16ARM: configs: Update RealView defconfigLinus Walleij1-3/+1
This updates the RealView defconfig for the changes in the v5.14-rc1 kernel: - The Framebuffer CONFIG_FB needs to be explicitly selected or we don't get any framebuffer anymore. DRM has stopped to select FB because of circular dependency. - The CONFIG_FB_MODE_HELPERS are not needed when using DRM framebuffer emulation as DRM does. - Drop two unused penguin logos. Fixes: f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20210714090040.182381-1-linus.walleij@linaro.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-07-16ARM: configs: Update Integrator defconfigLinus Walleij1-4/+1
This updates the Integrator defconfig for the changes in the v5.14-rc1 kernel: - The Framebuffer CONFIG_FB needs to be explicitly selected or we don't get any framebuffer anymore. DRM has stopped to select FB because of circular dependency. - Drop the unused Matrox FB drivers that are only used with specific PCI cards. Fixes: f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20210714122703.212609-1-linus.walleij@linaro.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-07-16arm: Typo s/PCI_IXP4XX_LEGACY/IXP4XX_PCI_LEGACY/Geert Uytterhoeven1-1/+1
Kconfig symbol PCI_IXP4XX_LEGACY does not exist, but IXP4XX_PCI_LEGACY does. Fixes: d5d9f7ac58ea1041 ("ARM/ixp4xx: Make NEED_MACH_IO_H optional") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/82ce37c617293521f095a945a255456b9512769c.1626255077.git.geert+renesas@glider.be' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-07-13firmware: arm_scmi: Fix range check for the maximum number of pending messagesCristian Marussi1-2/+3
SCMI message headers carry a sequence number and such field is sized to allow for MSG_TOKEN_MAX distinct numbers; moreover zero is not really an acceptable maximum number of pending in-flight messages. Fix accordingly the checks performed on the value exported by transports in scmi_desc.max_msg Link: https://lore.kernel.org/r/20210712141833.6628-3-cristian.marussi@arm.com Reported-by: Vincent Guittot <vincent.guittot@linaro.org> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> [sudeep.holla: updated the patch title and error message] Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-13firmware: arm_scmi: Avoid padding in sensor message structureCristian Marussi1-2/+4
scmi_resp_sensor_reading_complete structure is meant to represent an SCMI asynchronous reading complete message. The readings field with a 64bit type forces padding and breaks reads in scmi_sensor_reading_get. Split it in two adjacent 32bit readings_low/high subfields to avoid the padding within the structure. Alternatively we could to mark the structure packed. Link: https://lore.kernel.org/r/20210628170042.34105-1-cristian.marussi@arm.com Fixes: e2083d3673916 ("firmware: arm_scmi: Add SCMI v3.0 sensors timestamped reads") Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-13firmware: arm_scmi: Fix kernel doc warnings about return valuesCristian Marussi2-0/+6
Kernel doc validation script still complains about the following: |No description found for return value of 'scmi_get_protocol_device' |No description found for return value of 'scmi_devm_notifier_register' |No description found for return value of 'scmi_devm_notifier_unregister' Fix adding missing Return kernel-doc statements. Link: https://lore.kernel.org/r/20210712143504.33541-1-cristian.marussi@arm.com Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-13firmware: arm_scpi: Fix kernel doc warningsSudeep Holla1-0/+8
Kernel doc validation script is unhappy and complains with the below set of warnings. | Function parameter or member 'device_domain_id' not described in 'scpi_ops' | Function parameter or member 'get_transition_latency' not described in 'scpi_ops' | Function parameter or member 'add_opps_to_device' not described in 'scpi_ops' | Function parameter or member 'sensor_get_capability' not described in 'scpi_ops' | Function parameter or member 'sensor_get_info' not described in 'scpi_ops' | Function parameter or member 'sensor_get_value' not described in 'scpi_ops' | Function parameter or member 'device_get_power_state' not described in 'scpi_ops' | Function parameter or member 'device_set_power_state' not described in 'scpi_ops' Fix them adding appropriate documents or missing keywords. Link: https://lore.kernel.org/r/20210712130801.2436492-1-sudeep.holla@arm.com Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-13firmware: arm_scmi: Fix kernel doc warningsSudeep Holla1-5/+9
Kernel doc validation script is unhappy and complains with the below set of warnings. | Function parameter or member 'fast_switch_possible' not described in 'scmi_perf_proto_ops' | Function parameter or member 'power_scale_mw_get' not described in 'scmi_perf_proto_ops' | cannot understand function prototype: 'struct scmi_sensor_reading ' | cannot understand function prototype: 'struct scmi_range_attrs ' | cannot understand function prototype: 'struct scmi_sensor_axis_info ' | cannot understand function prototype: 'struct scmi_sensor_intervals_info ' Fix them adding appropriate documents or missing keywords. Link: https://lore.kernel.org/r/20210712130801.2436492-2-sudeep.holla@arm.com Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-13ARM: shmobile: defconfig: Restore graphical consolesGeert Uytterhoeven1-0/+1
As of commit f611b1e7624ccdbd ("drm: Avoid circular dependencies for CONFIG_FB"), CONFIG_FB is no longer auto-enabled. While CONFIG_FB may be considered unneeded for systems where graphics is provided by a DRM driver, R-Mobile A1 still relies on a frame buffer device driver for graphics support. Restore support for graphics on R-Mobile A1 and graphical consoles on DRM-based systems by explicitly enabling CONFIG_FB in the defconfig for Renesas ARM systems. Fixes: f611b1e7624ccdbd ("drm: Avoid circular dependencies for CONFIG_FB") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/2a4474be1d2c00c6ca97c2714844ea416a9ea9a9.1626084948.git.geert+renesas@glider.be
2021-07-12firmware: arm_ffa: Fix a possible ffa_linux_errmap buffer overflowSudeep Holla1-2/+4
The ffa_linux_errmap buffer access index is supposed to range from 0-8 but it ranges from 1-9 instead. It reads one element out of bounds. It also changes the success into -EINVAL though ffa_to_linux_errno is never used in case of success, it is expected to work for success case too. It is slightly confusing code as the negative of the error code is used as index to the buffer. Fix it by negating it at the start and make it more readable. Link: https://lore.kernel.org/r/20210707134739.1869481-1-sudeep.holla@arm.com Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-12firmware: arm_ffa: Fix the comment styleSudeep Holla1-1/+1
clang produces the following warning: drivers/firmware/arm_ffa/driver.c:123: warning: expecting prototype for FF(). Prototype was for FFA_PAGE_SIZE() instead This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst Fix the same by removing the kernel-doc style comment here. Link: https://lore.kernel.org/r/20210622162202.3485866-1-sudeep.holla@arm.com Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-12firmware: arm_ffa: Simplify probe functionUwe Kleine-König1-3/+0
When the driver core calls the probe callback it already checked that the devices match, so there is no need to call the match callback again. Link: https://lore.kernel.org/r/20210621201652.127611-2-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-12firmware: arm_ffa: Ensure drivers provide a probe functionUwe Kleine-König1-0/+3
The bus probe callback calls the driver callback without further checking. Better be safe than sorry and refuse registration of a driver without a probe function to prevent a NULL pointer exception. Link: https://lore.kernel.org/r/20210621201652.127611-1-u.kleine-koenig@pengutronix.de Fixes: e781858488b9 ("firmware: arm_ffa: Add initial FFA bus support for device enumeration") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-12firmware: arm_scmi: Fix possible scmi_linux_errmap buffer overflowSudeep Holla1-3/+4
The scmi_linux_errmap buffer access index is supposed to depend on the array size to prevent element out of bounds access. It uses SCMI_ERR_MAX to check bounds but that can mismatch with the array size. It also changes the success into -EIO though scmi_linux_errmap is never used in case of success, it is expected to work for success case too. It is slightly confusing code as the negative of the error code is used as index to the buffer. Fix it by negating it at the start and make it more readable. Link: https://lore.kernel.org/r/20210707135028.1869642-1-sudeep.holla@arm.com Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-12firmware: arm_scmi: Ensure drivers provide a probe functionSudeep Holla1-0/+3
The bus probe callback calls the driver callback without further checking. Better be safe than sorry and refuse registration of a driver without a probe function to prevent a NULL pointer exception. Link: https://lore.kernel.org/r/20210624095059.4010157-2-sudeep.holla@arm.com Fixes: 933c504424a2 ("firmware: arm_scmi: add scmi protocol bus to enumerate protocol devices") Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Tested-by: Cristian Marussi <cristian.marussi@arm.com> Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-12firmware: arm_scmi: Simplify device probe function on the busSudeep Holla1-5/+0
When the driver core calls the probe callback it already checked that the devices match, so there is no need to call the match callback again. Link: https://lore.kernel.org/r/20210624095059.4010157-1-sudeep.holla@arm.com Suggested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Tested-by: Cristian Marussi <cristian.marussi@arm.com> Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-07-12dt-bindings: clock: r9a07g044-cpg: Update clock/reset definitionsBiju Das5-119/+278
Update clock and reset definitions as per RZ/G2L_clock_list_r02_02.xlsx and RZ/G2L HW(Rev.0.50) manual. Update {GIC,IA55,SCIF} clock and reset entries in the CPG driver, and separate reset from module clocks in order to handle them efficiently. Update the SCIF0 clock and reset index in the SoC DTSI. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20210626081344.5783-6-biju.das.jz@bp.renesas.com Link: https://lore.kernel.org/r/20210626081344.5783-7-biju.das.jz@bp.renesas.com Link: https://lore.kernel.org/r/20210626081344.5783-8-biju.das.jz@bp.renesas.com [geert: Squashed 3 commits] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-12clk: renesas: r9a07g044: Add P2 Clock supportBiju Das2-0/+5
Add support for P2 clock which is sourced from pll3_div2_4_2. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20210626081344.5783-5-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-12clk: renesas: r9a07g044: Fix P1 ClockBiju Das1-3/+3
As per RZ/G2L HW Manual(Rev.0.50) P1 is sourced from pll3_div2_4. So fix the clock definitions for P1. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20210626081344.5783-4-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-12clk: renesas: r9a07g044: Rename divider tableBiju Das1-3/+4
As per RZ/G2L HW Manual (Rev.0.50), CPG_PL3A_DDIV,CPG_PL3B_DDIV and CPG_PL2_DDIV(for P0) shares same divider table entries. Rename clk_div_table dtable_3b to clk_div_table dtable_1_32 so that it can be reused. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20210626081344.5783-3-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-12clk: renesas: rzg2l: Add multi clock PM supportBiju Das1-22/+29
Add multi clock PM support for cpg driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20210626081344.5783-2-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2021-07-11Linux 5.14-rc1Linus Torvalds1-2/+2
2021-07-11mm/rmap: try_to_migrate() skip zone_device !device_privateHugh Dickins1-3/+3
I know nothing about zone_device pages and !device_private pages; but if try_to_migrate_one() will do nothing for them, then it's better that try_to_migrate() filter them first, than trawl through all their vmas. Signed-off-by: Hugh Dickins <hughd@google.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Reviewed-by: Alistair Popple <apopple@nvidia.com> Link: https://lore.kernel.org/lkml/1241d356-8ec9-f47b-a5ec-9b2bf66d242@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-11mm/rmap: fix new bug: premature return from page_mlock_one()Hugh Dickins1-6/+5
In the unlikely race case that page_mlock_one() finds VM_LOCKED has been cleared by the time it got page table lock, page_vma_mapped_walk_done() must be called before returning, either explicitly, or by a final call to page_vma_mapped_walk() - otherwise the page table remains locked. Fixes: cd62734ca60d ("mm/rmap: split try_to_munlock from try_to_unmap") Signed-off-by: Hugh Dickins <hughd@google.com> Reviewed-by: Alistair Popple <apopple@nvidia.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Reported-by: kernel test robot <oliver.sang@intel.com> Link: https://lore.kernel.org/lkml/20210711151446.GB4070@xsang-OptiPlex-9020/ Link: https://lore.kernel.org/lkml/f71f8523-cba7-3342-40a7-114abc5d1f51@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-11mm/rmap: fix old bug: munlocking THP missed other mlocksHugh Dickins1-5/+8
The kernel recovers in due course from missing Mlocked pages: but there was no point in calling page_mlock() (formerly known as try_to_munlock()) on a THP, because nothing got done even when it was found to be mapped in another VM_LOCKED vma. It's true that we need to be careful: Mlocked accounting of pte-mapped THPs is too difficult (so consistently avoided); but Mlocked accounting of only-pmd-mapped THPs is supposed to work, even when multiple mappings are mlocked and munlocked or munmapped. Refine the tests. There is already a VM_BUG_ON_PAGE(PageDoubleMap) in page_mlock(), so page_mlock_one() does not even have to worry about that complication. (I said the kernel recovers: but would page reclaim be likely to split THP before rediscovering that it's VM_LOCKED? I've not followed that up) Fixes: 9a73f61bdb8a ("thp, mlock: do not mlock PTE-mapped file huge pages") Signed-off-by: Hugh Dickins <hughd@google.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Link: https://lore.kernel.org/lkml/cfa154c-d595-406-eb7d-eb9df730f944@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alistair Popple <apopple@nvidia.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-11mm/rmap: fix comments left over from recent changesHugh Dickins2-7/+2
Parallel developments in mm/rmap.c have left behind some out-of-date comments: try_to_migrate_one() also accepts TTU_SYNC (already commented in try_to_migrate() itself), and try_to_migrate() returns nothing at all. TTU_SPLIT_FREEZE has just been deleted, so reword the comment about it in mm/huge_memory.c; and TTU_IGNORE_ACCESS was removed in 5.11, so delete the "recently referenced" comment from try_to_unmap_one() (once upon a time the comment was near the removed codeblock, but they drifted apart). Signed-off-by: Hugh Dickins <hughd@google.com> Reviewed-by: Shakeel Butt <shakeelb@google.com> Reviewed-by: Alistair Popple <apopple@nvidia.com> Link: https://lore.kernel.org/lkml/563ce5b2-7a44-5b4d-1dfd-59a0e65932a9@google.com/ Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Yang Shi <shy828301@gmail.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-10mm/page_alloc: Revert pahole zero-sized workaroundMel Gorman2-14/+0
Commit dbbee9d5cd83 ("mm/page_alloc: convert per-cpu list protection to local_lock") folded in a workaround patch for pahole that was unable to deal with zero-sized percpu structures. A superior workaround is achieved with commit a0b8200d06ad ("kbuild: skip per-CPU BTF generation for pahole v1.18-v1.21"). This patch reverts the dummy field and the pahole version check. Fixes: dbbee9d5cd83 ("mm/page_alloc: convert per-cpu list protection to local_lock") Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-10rtc: pcf8523: rename register and bit definesAlexandre Belloni1-73/+73
arch/arm/mach-ixp4xx/include/mach/platform.h now gets included indirectly and defines REG_OFFSET. Rename the register and bit definition to something specific to the driver. Fixes: 7fd70c65faac ("ARM: irqstat: Get rid of duplicated declaration") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210710211431.1393589-1-alexandre.belloni@bootlin.com
2021-07-10rtc: pcf2127: handle timestamp interruptsMian Yousaf Kaukab1-59/+133
commit 03623b4b041c ("rtc: pcf2127: add tamper detection support") added support for timestamp interrupts. However they are not being handled in the irq handler. If a timestamp interrupt occurs it results in kernel disabling the interrupt and displaying the call trace: [ 121.145580] irq 78: nobody cared (try booting with the "irqpoll" option) ... [ 121.238087] [<00000000c4d69393>] irq_default_primary_handler threaded [<000000000a90d25b>] pcf2127_rtc_irq [rtc_pcf2127] [ 121.248971] Disabling IRQ #78 Handle timestamp interrupts in pcf2127_rtc_irq(). Save time stamp before clearing TSF1 and TSF2 flags so that it can't be overwritten. Set a flag to mark if the timestamp is valid and only report to sysfs if the flag is set. To mimic the hardware behavior, don’t save another timestamp until the first one has been read by the userspace. However, if the alarm irq is not configured, keep the old way of handling timestamp interrupt in the timestamp0 sysfs calls. Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de> Reviewed-by: Bruno Thomsen <bruno.thomsen@gmail.com> Tested-by: Bruno Thomsen <bruno.thomsen@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210629150643.31551-1-ykaukab@suse.de
2021-07-10rtc: at91sam9: Remove unnecessary offset variable checksNobuhiro Iwamatsu1-1/+1
The offset variable is checked by at91_rtc_readalarm(), but this check is unnecessary because the previous check knew that the value of this variable was not 0. This removes that unnecessary offset variable checks. Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210708051340.341345-1-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: s5m: Check return value of s5m_check_peding_alarm_interrupt()Nobuhiro Iwamatsu1-3/+1
s5m_check_peding_alarm_interrupt() in s5m_rtc_read_alarm() gets the return value, but doesn't use it. This modifies using the s5m_check_peding_alarm_interrupt()"s return value as the s5m_rtc_read_alarm()'s return value. Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: linux-samsung-soc@vger.kernel.org Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210708051304.341278-1-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: spear: convert to SPDX identifierNobuhiro Iwamatsu1-4/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-11-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: tps6586x: convert to SPDX identifierNobuhiro Iwamatsu1-14/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-9-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: tps80031: convert to SPDX identifierNobuhiro Iwamatsu1-14/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-8-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: rtd119x: Fix format of SPDX identifierNobuhiro Iwamatsu1-2/+1
For C files, use the C99 format (//). Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-7-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: sc27xx: Fix format of SPDX identifierNobuhiro Iwamatsu1-1/+1
For C files, use the C99 format (//). Cc: Orson Zhai <orsonzhai@gmail.com> Cc: Baolin Wang <baolin.wang7@gmail.com> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-6-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: palmas: convert to SPDX identifierNobuhiro Iwamatsu1-14/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-5-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: max6900: convert to SPDX identifierNobuhiro Iwamatsu1-5/+3
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-4-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: ds1374: convert to SPDX identifierNobuhiro Iwamatsu1-5/+2
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-3-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-10rtc: au1xxx: convert to SPDX identifierNobuhiro Iwamatsu1-4/+1
Use SPDX-License-Identifier instead of a verbose license text. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210707075804.337458-2-nobuhiro1.iwamatsu@toshiba.co.jp
2021-07-09Revert "PCI: Coalesce host bridge contiguous apertures"Bjorn Helgaas1-46/+4
This reverts commit 65db04053efea3f3e412a7e0cc599962999c96b4. Guenter reported that after 65db04053efe, the ppc:sam460ex qemu emulation no longer boots from nvme: nvme nvme0: Device not ready; aborting initialisation, CSTS=0x0 nvme nvme0: Removing after probe failure status: -19 Link: https://lore.kernel.org/r/20210709231529.GA3270116@roeck-us.net Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2021-07-10rtc: pcf85063: Update the PCF85063A datasheet revisionFabio Estevam1-1/+1
After updating the datasheet URL, the PCF85063A datasheet revision has changed. Adjust it accordingly. Reported-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210624120953.2313378-1-festevam@gmail.com
2021-07-10dt-bindings: rtc: ti,bq32k: take maintainershipAlexandre Belloni1-1/+1
Take maintainership of the binding as PAvel said he doesn't have the hardware anymore. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Pavel Machek <pavel@ucw.cz> Link: https://lore.kernel.org/r/20210620224030.1115356-1-alexandre.belloni@bootlin.com
2021-07-09perf test: Add free() calls for scandir() returned dirent entriesRiccardo Mancini1-4/+11
ASan reported a memory leak for items of the entlist returned from scandir(). In fact, scandir() returns a malloc'd array of malloc'd dirents. This patch adds the missing (z)frees. Fixes: da963834fe6975a1 ("perf test: Iterate over shell tests in alphabetical order") Signed-off-by: Riccardo Mancini <rickyman7@gmail.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Fabian Hemmer <copy@copy.sh> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Remi Bernon <rbernon@codeweavers.com> Link: http://lore.kernel.org/lkml/20210709163454.672082-1-rickyman7@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09libperf: Add tests for perf_evlist__set_leader()Jiri Olsa1-6/+21
Add a test for the newly added perf_evlist__set_leader() function. Committer testing: $ cd tools/lib/perf/ $ sudo make tests [sudo] password for acme: running static: - running tests/test-cpumap.c...OK - running tests/test-threadmap.c...OK - running tests/test-evlist.c...OK - running tests/test-evsel.c...OK running dynamic: - running tests/test-cpumap.c...OK - running tests/test-threadmap.c...OK - running tests/test-evlist.c...OK - running tests/test-evsel.c...OK $ Signed-off-by: Jiri Olsa <jolsa@kernel.org> Requested-by: Shunsuke Nakamura <nakamura.shun@fujitsu.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210706151704.73662-8-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-07-09libperf: Remove BUG_ON() from library code in get_group_fd()Arnaldo Carvalho de Melo1-7/+16
We shouldn't just panic, return a value that doesn't clash with what perf_evsel__open() was already returning in case of error, i.e. errno when sys_perf_event_open() fails. Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com> Link: http://lore.kernel.org/lkml/YOiOA5zOtVH9IBbE@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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