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2021-08-17phy: cadence-torrent: Check PIPE mode PHY status to be ready for operationSwapnil Jakhade1-1/+59
PIPE PHY status is used to communicate the completion of several PHY functions. Check if PHY is ready for operation while configured for PIPE mode during startup. Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> Link: https://lore.kernel.org/r/20210728145454.15945-10-sjakhade@cadence.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17phy: cadence-torrent: Add debug information for PHY configurationSwapnil Jakhade1-4/+32
Add debug information in probe regarding PHY configuration parameters like single link or multilink protocol along with number of lanes used for each protocol link. Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> Link: https://lore.kernel.org/r/20210728145454.15945-9-sjakhade@cadence.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17phy: cadence-torrent: Add separate functions for reusable codeSwapnil Jakhade1-18/+35
Torrent PHY driver currently supports single link DP configuration. Prepare driver to support multilink DP configurations by adding separate functions for common initialization sequence. Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com> Link: https://lore.kernel.org/r/20210728145454.15945-8-sjakhade@cadence.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17phy: cadence-torrent: Add PHY configuration for DP with 100MHz ref clockSwapnil Jakhade1-0/+162
Add PHY configuration registers for single link DP with 100MHz reference clock and NO_SSC. Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> Link: https://lore.kernel.org/r/20210728145454.15945-7-sjakhade@cadence.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17phy: cadence-torrent: Add PHY registers for DP in array formatSwapnil Jakhade1-288/+334
Add PHY registers for single link DP in array format to simplify code and to improve readability. This supports already supported frequencies for DP of 19.2MHz and 25MHz. Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> Link: https://lore.kernel.org/r/20210728145454.15945-6-sjakhade@cadence.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17phy: cadence-torrent: Configure PHY registers as a function of input reference clock rateSwapnil Jakhade1-408/+422
Torrent PHY supports multiple serdes standards with different input reference clock frequencies. PHY register values differ based on the reference clock rate. Add PHY input reference clock frequency as a new dimension to select proper register configuration. No functional change is intended. Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> Link: https://lore.kernel.org/r/20210728145454.15945-5-sjakhade@cadence.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17phy: cadence-torrent: Add enum for supported input reference clock frequenciesSwapnil Jakhade1-13/+38
Torrent PHY supports different input reference clock frequencies. Register configurations will be different based on reference clock value. Prepare driver to support such multiple reference clock frequencies. Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com> Link: https://lore.kernel.org/r/20210728145454.15945-4-sjakhade@cadence.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17phy: cadence-torrent: Reorder few functions to remove function declarationsSwapnil Jakhade1-619/+588
Reorder some functions to avoid function declarations. No functional change. Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> Link: https://lore.kernel.org/r/20210728145454.15945-3-sjakhade@cadence.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17phy: cadence-torrent: Remove use of CamelCase to fix checkpatch CHECK messageSwapnil Jakhade1-12/+12
Script checkpatch with --strict option gives message: CHECK: Avoid CamelCase: <REF_CLK_19_2MHz> CHECK: Avoid CamelCase: <REF_CLK_25MHz> Fix this by removing CamelCase usage. No functional change. Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com> Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com> Link: https://lore.kernel.org/r/20210728145454.15945-2-sjakhade@cadence.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06phy: qcom-qmp: add USB3 PHY support for IPQ6018Baruch Siach1-0/+3
Initialization is identical to the IPQ8074 USB3 PHY. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Link: https://lore.kernel.org/r/6eec7ef4ecd1e8360ebe8e425151121684e997ed.1628085910.git.baruch@tkos.co.il Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06dt-bindings: phy: qcom,qmp: Add IPQ6018 USB3 PHYBaruch Siach1-0/+1
Add compatible string for USB3 PHY in Qualcomm IPQ6018 SoC. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Link: https://lore.kernel.org/r/3d86f45004fe2fcbae0a2cd197df81a1fd076a1e.1628085910.git.baruch@tkos.co.il Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06phy: renesas: phy-rcar-gen3-usb2: Add USB2.0 PHY support for RZ/G2LBiju Das1-24/+73
This patch adds USB2.0 PHY support for RZ/G2L SoC. We need to use a different compatible string due to some differences with R-Car Gen3 USB2.0 PHY. It uses line ctrl register for OTG_ID pin changes and different OTG-BC interrupt bit for device recognition. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> # on R-Car Link: https://lore.kernel.org/r/20210727185527.19907-4-biju.das.jz@bp.renesas.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06dt-bindings: phy: renesas,usb2-phy: Document RZ/G2L phy bindingsBiju Das1-0/+15
Document USB phy bindings for RZ/G2L SoC. RZ/G2L USB2.0 phy uses line ctrl register for OTG_ID pin changes. It uses a different OTG-BC interrupt bit for device recognition. Apart from this, the PHY reset is controlled by USBPHY control IP and Document reset is a required property. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210727185527.19907-3-biju.das.jz@bp.renesas.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06dt-bindings: phy: Convert AM654 SERDES bindings to YAMLKishon Vijay Abraham I2-82/+103
Convert SERDES dt-bindings for TI's AM654 SoC to YAML binding. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210723135605.23572-1-kishon@ti.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06phy: qcom: qmp: Add SC8180x USB/DP comboBjorn Andersson1-0/+47
The two USB QMPs are USB/DP compbo PHYs, add the compatible for this combination to allow DP output. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20210721225630.3035861-2-bjorn.andersson@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06dt-bindings: phy: qcom,qmp-usb3-dp: Add support for sc8180xBjorn Andersson1-0/+1
The SC8180x has two instances of the QMP USB/DP combo PHYs, add a compatible for these. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210721225630.3035861-1-bjorn.andersson@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06phy: phy-twl4030-usb: Disable PHY for suspendTony Lindgren1-0/+15
Since commit 88d26136a256 ("PM: Prevent runtime suspend during system resume"), PM runtime will not let devices idle during system suspend. This is because of the pm_runtime_get_noresume() call done in device_prepare() that is not released until at device_complete() after resume. We must now disable the USB PHY in suspend if no USB cable is connected. Cc: Andreas Kemnade <andreas@kemnade.info> Signed-off-by: Tony Lindgren <tony@atomide.com> Link: https://lore.kernel.org/r/20210727104512.52968-1-tony@atomide.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06phy: phy-mtk-tphy: add support mt8195Chunfeng Yun1-0/+54
The controller is designed to use use PLL integer mode, but in fact used fractional mode for some ones on mt8195, this causes signal degradation (e.g. eye diagram test fail), fix it by switching PLL to 26Mhz from default 48Mhz to improve signal quality. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Link: https://lore.kernel.org/r/1627028562-23584-3-git-send-email-chunfeng.yun@mediatek.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06phy: phy-mtk-tphy: support new hardware versionChunfeng Yun1-11/+29
The PHYA arch is updated, and doesn't support slew rate calibrate anymore on 7nm or advanced process, add a new version number to support it. Note: the FreqMeter bank is not used but reserved. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Link: https://lore.kernel.org/r/1627028562-23584-2-git-send-email-chunfeng.yun@mediatek.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06dt-bindings: phy: mediatek: tphy: add support hardware version 3Chunfeng Yun1-5/+9
The PHYA architecture is updated, and doesn't support slew rate calibration anymore on 7nm or advanced process, add a new version number to support it. Due to the FreqMeter bank is not used but reserved, it's backward with v2 until now. For mt8195, no function changes when use generic v2 or v3 compatible, but prefer to use v3's compatible, it will not waste the time to calibrate the slew rate, and also correspond with hardware version. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Link: https://lore.kernel.org/r/1627028562-23584-1-git-send-email-chunfeng.yun@mediatek.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06phy: qualcomm: phy-qcom-usb-hs: repair non-kernel-doc commentRandy Dunlap1-1/+1
Fix errant use of "/**" to begin a comment although the comment is not kernel-doc notation. Just use "/*" instead. Fixes this kernel-doc warning: drivers/phy/qualcomm/phy-qcom-usb-hs.c:3: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Copyright (C) 2016 Linaro Ltd Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: linux-arm-msm@vger.kernel.org Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Vinod Koul <vkoul@kernel.org> Cc: linux-phy@lists.infradead.org Link: https://lore.kernel.org/r/20210723022548.25695-1-rdunlap@infradead.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06dt-bindings: phy: imx8mq-usb-phy: convert to json schemaDong Aisheng2-20/+53
Convert to jason schema. Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Vinod Koul <vkoul@kernel.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Li Jun <jun.li@nxp.com> Cc: linux-phy@lists.infradead.org Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210715082536.1882077-5-aisheng.dong@nxp.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-06phy: rockchip-inno-usb2: fix for_each_child.cocci warningskernel test robot1-1/+3
For_each_available_child_of_node should have of_node_put() before break around line 1184. The other jumps out of the loop do contain the put. Generated by: scripts/coccinelle/iterators/for_each_child.cocci CC: Sumera Priyadarsini <sylphrenadin@gmail.com> Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: kernel test robot <lkp@intel.com> Signed-off-by: Julia Lawall <julia.lawall@inria.fr> Link: https://lore.kernel.org/r/alpine.DEB.2.22.394.2106231617540.99238@hadrien Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-07-22phy: tegra: xusb: mark PM functions as __maybe_unusedArnd Bergmann1-2/+2
When these are not referenced, gcc prints a harmless warning: drivers/phy/tegra/xusb.c:1286:12: error: 'tegra_xusb_padctl_resume_noirq' defined but not used [-Werror=unused-function] 1286 | static int tegra_xusb_padctl_resume_noirq(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/phy/tegra/xusb.c:1276:12: error: 'tegra_xusb_padctl_suspend_noirq' defined but not used [-Werror=unused-function] 1276 | static int tegra_xusb_padctl_suspend_noirq(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Fixes: c545a9056712 ("phy: tegra: xusb: Add sleepwalk and suspend/resume") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20210721152550.2976003-1-arnd@kernel.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-07-22phy: qcom-qmp: Fix sc8180x PCIe definitionBjorn Andersson1-1/+1
A copy paste error was snuck into the patch going upstream that made the SC8180x PCIe PHY use the SM8250 serdes table, but while this works there's some differences in the tables (and the SC8180x was left dangling). So correct the SC8180x definition to use the SC8180x serdes table. Fixes: f839f14e24f2 ("phy: qcom-qmp: Add sc8180x PCIe support") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20210721163029.2813497-1-bjorn.andersson@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-07-20phy: samsung-ufs: support exynosauto ufs phy driverChanho Park5-2/+78
This patch adds to support phy-exynosautov9-ufs driver for ExynosAuto v9 series SoCs. The patch adds "samsung,exynosautov9-ufs-phy" compatible. Unlike previous exynos ufs phy, the chip uses 0x50 offset as PHY_TRSV_REG_CFG_OFFSET. Signed-off-by: Chanho Park <chanho61.park@samsung.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210709094524.110193-3-chanho61.park@samsung.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-07-20phy: samsung-ufs: move phy-exynos7-ufs headerChanho Park3-8/+9
Instead of using exynos7 ufs definition in phy-exynos7-ufs.h, we should put it into phy-exynos7-ufs.c to be included different objects or units. Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Chanho Park <chanho61.park@samsung.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20210709094524.110193-2-chanho61.park@samsung.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-07-20dt-bindings: phy: Rename Intel Keem Bay USB PHY bindingsGeert Uytterhoeven1-1/+1
This is the only file not using the "intel,keembay-*" pattern. Fortunately the actual compatible value is already following the standard scheme. Fixes: 4086afa2a1627939 ("dt-bindings: phy: Add Intel Keem Bay USB PHY bindings") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/91235a64185f7446fc58e638d77691078d3114d1.1626255556.git.geert+renesas@glider.be Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-07-20phy: qcom-qmp: Add sc8180x PCIe supportBjorn Andersson1-0/+140
The Qualcomm SC8180x platform has 4 PCIe controllers and PHYs, typically used to connect things such as a modem or NVME storage device. Add the programming sequence to get the PHYs up and running. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20210629004509.1788286-2-bjorn.andersson@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-07-20dt-bindings: phy: qcom,qmp: Add sc8180x PCIe compatibleBjorn Andersson1-0/+2
Add a compatible for the sc8180x PCIe PHY. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210629004509.1788286-1-bjorn.andersson@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
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>
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