1029372 Commits

Author SHA1 Message Date
Chunfeng Yun
75203e7994 phy: phy-mtk-mipi-dsi: remove dummy assignment of error number
Return the error number directly without assignment

Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629191987-20774-8-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17 15:51:59 +05:30
Chunfeng Yun
9474458753 phy: phy-mtk-hdmi: convert to devm_platform_ioremap_resource
Use devm_platform_ioremap_resource to simplify code

Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629191987-20774-7-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17 15:51:59 +05:30
Chunfeng Yun
5f71b1e4f7 phy: phy-mtk-ufs: use clock bulk to get clocks
Use clock bulk helpers to get/enable/disable clocks

Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629191987-20774-6-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17 15:51:59 +05:30
Chunfeng Yun
1c6de3fc53 phy: phy-mtk-tphy: remove error log of ioremap failure
devm_ioremap_resource() will print log if error happens.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629191987-20774-5-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17 15:51:59 +05:30
Chunfeng Yun
926b83e5f9 phy: phy-mtk-tphy: print error log using child device
Print error log using child devices instead of parent device.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629191987-20774-4-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17 15:51:58 +05:30
Chunfeng Yun
39099a4433 phy: phy-mtk-tphy: support type switch by pericfg
Add support type switch between USB3, PCIe, SATA and SGMII by
pericfg register, this is used to take the place of efuse or
jumper.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629191987-20774-3-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17 15:51:58 +05:30
Chunfeng Yun
3fd6611242 phy: phy-mtk-tphy: use clock bulk to get clocks
Use clock bulk helpers to get/enable/disable clocks

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629191987-20774-2-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17 15:51:58 +05:30
Chunfeng Yun
c01608b3b4 dt-bindings: phy: mediatek: tphy: support type switch by pericfg
Add support type switch by pericfg register between USB3, PCIe,
SATA, SGMII, this is used to replace the way through efuse or
jumper.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629191987-20774-1-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2021-08-17 15:51:58 +05:30
Swapnil Jakhade
48ac6085bd phy: cadence-torrent: Check PIPE mode PHY status to be ready for operation
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>
2021-08-17 15:42:44 +05:30
Swapnil Jakhade
84f55df836 phy: cadence-torrent: Add debug information for PHY configuration
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>
2021-08-17 15:42:44 +05:30
Swapnil Jakhade
8f3ced2fd4 phy: cadence-torrent: Add separate functions for reusable code
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>
2021-08-17 15:42:44 +05:30
Swapnil Jakhade
1cc455150b phy: cadence-torrent: Add PHY configuration for DP with 100MHz ref clock
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>
2021-08-17 15:42:44 +05:30
Swapnil Jakhade
da055e5503 phy: cadence-torrent: Add PHY registers for DP in array format
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>
2021-08-17 15:42:44 +05:30
Swapnil Jakhade
6a2338a5bf phy: cadence-torrent: Configure PHY registers as a function of input reference clock rate
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>
2021-08-17 15:42:43 +05:30
Swapnil Jakhade
3b40162516 phy: cadence-torrent: Add enum for supported input reference clock frequencies
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>
2021-08-17 15:42:43 +05:30
Swapnil Jakhade
5b16a790f1 phy: cadence-torrent: Reorder few functions to remove function declarations
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>
2021-08-17 15:42:43 +05:30
Swapnil Jakhade
e956d4fceb phy: cadence-torrent: Remove use of CamelCase to fix checkpatch CHECK message
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>
2021-08-17 15:42:43 +05:30
Baruch Siach
23fd679249 phy: qcom-qmp: add USB3 PHY support for IPQ6018
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>
2021-08-06 18:34:58 +05:30
Baruch Siach
2433ab638f dt-bindings: phy: qcom,qmp: Add IPQ6018 USB3 PHY
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>
2021-08-06 18:34:58 +05:30
Biju Das
b0512a6ec0 phy: renesas: phy-rcar-gen3-usb2: Add USB2.0 PHY support for RZ/G2L
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>
2021-08-06 18:12:30 +05:30
Biju Das
5711af410c dt-bindings: phy: renesas,usb2-phy: Document RZ/G2L phy bindings
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>
2021-08-06 18:12:30 +05:30
Kishon Vijay Abraham I
b70ee49c98 dt-bindings: phy: Convert AM654 SERDES bindings to YAML
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>
2021-08-06 17:38:01 +05:30
Bjorn Andersson
1633802cd4 phy: qcom: qmp: Add SC8180x USB/DP combo
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>
2021-08-06 17:36:55 +05:30
Bjorn Andersson
1a00d13059 dt-bindings: phy: qcom,qmp-usb3-dp: Add support for sc8180x
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>
2021-08-06 17:36:55 +05:30
Tony Lindgren
7481f91f1d phy: phy-twl4030-usb: Disable PHY for suspend
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>
2021-08-06 17:32:51 +05:30
Chunfeng Yun
a69f29cb50 phy: phy-mtk-tphy: add support mt8195
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>
2021-08-06 17:29:40 +05:30
Chunfeng Yun
27974e6208 phy: phy-mtk-tphy: support new hardware version
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>
2021-08-06 17:29:40 +05:30
Chunfeng Yun
c52c90dbcb dt-bindings: phy: mediatek: tphy: add support hardware version 3
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>
2021-08-06 17:29:40 +05:30
Randy Dunlap
07e97f744c phy: qualcomm: phy-qcom-usb-hs: repair non-kernel-doc comment
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>
2021-08-06 17:15:29 +05:30
Dong Aisheng
88d8175ad8 dt-bindings: phy: imx8mq-usb-phy: convert to json schema
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>
2021-08-06 16:59:53 +05:30
kernel test robot
1716e49eb8 phy: rockchip-inno-usb2: fix for_each_child.cocci warnings
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>
2021-08-06 16:52:29 +05:30
Arnd Bergmann
c1302e8ce5 phy: tegra: xusb: mark PM functions as __maybe_unused
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>
2021-07-22 14:41:07 +05:30
Bjorn Andersson
bfccd9a71a phy: qcom-qmp: Fix sc8180x PCIe definition
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>
2021-07-22 14:40:30 +05:30
Chanho Park
d64519249e phy: samsung-ufs: support exynosauto ufs phy driver
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>
2021-07-20 16:43:10 +05:30
Chanho Park
b95637e2da phy: samsung-ufs: move phy-exynos7-ufs header
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>
2021-07-20 16:43:10 +05:30
Geert Uytterhoeven
057d445b9e dt-bindings: phy: Rename Intel Keem Bay USB PHY bindings
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>
2021-07-20 16:12:03 +05:30
Bjorn Andersson
f839f14e24 phy: qcom-qmp: Add sc8180x PCIe support
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>
2021-07-20 16:04:39 +05:30
Bjorn Andersson
05d58bb656 dt-bindings: phy: qcom,qmp: Add sc8180x PCIe compatible
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>
2021-07-20 16:03:23 +05:30
Linus Torvalds
e73f0f0ee7 Linux 5.14-rc1 v5.14-rc1 2021-07-11 15:07:40 -07:00
Hugh Dickins
6c855fce2e mm/rmap: try_to_migrate() skip zone_device !device_private
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>
2021-07-11 15:05:15 -07:00
Hugh Dickins
023e1a8dd5 mm/rmap: fix new bug: premature return from page_mlock_one()
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>
2021-07-11 15:05:15 -07:00
Hugh Dickins
d9770fcc1c mm/rmap: fix old bug: munlocking THP missed other mlocks
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>
2021-07-11 15:05:15 -07:00
Hugh Dickins
64b586d192 mm/rmap: fix comments left over from recent changes
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>
2021-07-11 15:05:15 -07:00
Linus Torvalds
98f7fdced2 Two fixes:
- Fix a MIPS IRQ handling RCU bug
  - Remove a DocBook annotation for a parameter that doesn't exist anymore
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Ingo Molnar:
 "Two fixes:

   - Fix a MIPS IRQ handling RCU bug

   - Remove a DocBook annotation for a parameter that doesn't exist
     anymore"

* tag 'irq-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/mips: Fix RCU violation when using irqdomain lookup on interrupt entry
  genirq/irqdesc: Drop excess kernel-doc entry @lookup
2021-07-11 11:17:57 -07:00
Linus Torvalds
877029d921 Three fixes:
- Fix load tracking bug/inconsistency
  - Fix a sporadic CFS bandwidth constraints enforcement bug
  - Fix a uclamp utilization tracking bug for newly woken tasks
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Ingo Molnar:
 "Three fixes:

   - Fix load tracking bug/inconsistency

   - Fix a sporadic CFS bandwidth constraints enforcement bug

   - Fix a uclamp utilization tracking bug for newly woken tasks"

* tag 'sched-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/uclamp: Ignore max aggregation if rq is idle
  sched/fair: Fix CFS bandwidth hrtimer expiry type
  sched/fair: Sync load_sum with load_avg after dequeue
2021-07-11 11:13:57 -07:00
Linus Torvalds
936b664fb2 A fix and a hardware-enablement addition:
- Robustify uncore_snbep's skx_iio_set_mapping()'s error cleanup
  - Add cstate event support for Intel ICELAKE_X and ICELAKE_D
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "A fix and a hardware-enablement addition:

   - Robustify uncore_snbep's skx_iio_set_mapping()'s error cleanup

   - Add cstate event support for Intel ICELAKE_X and ICELAKE_D"

* tag 'perf-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/uncore: Clean up error handling path of iio mapping
  perf/x86/cstate: Add ICELAKE_X and ICELAKE_D support
2021-07-11 11:10:48 -07:00
Linus Torvalds
301c8b1d7c Locking fixes:
- Fix a Sparc crash
  - Fix a number of objtool warnings
  - Fix /proc/lockdep output on certain configs
  - Restore a kprobes fail-safe
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fixes from Ingo Molnar:

 - Fix a Sparc crash

 - Fix a number of objtool warnings

 - Fix /proc/lockdep output on certain configs

 - Restore a kprobes fail-safe

* tag 'locking-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/atomic: sparc: Fix arch_cmpxchg64_local()
  kprobe/static_call: Restore missing static_call_text_reserved()
  static_call: Fix static_call_text_reserved() vs __init
  jump_label: Fix jump_label_text_reserved() vs __init
  locking/lockdep: Fix meaningless /proc/lockdep output of lock classes on !CONFIG_PROVE_LOCKING
2021-07-11 11:06:09 -07:00
Linus Torvalds
8b9cc17a46 SCSI misc on 20210711
This is a set of minor fixes and clean ups in the core and various
 drivers.  The only core change in behaviour is the I/O retry for
 spinup notify, but that shouldn't impact anything other than the
 failing case.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This is a set of minor fixes and clean ups in the core and various
  drivers.

  The only core change in behaviour is the I/O retry for spinup notify,
  but that shouldn't impact anything other than the failing case"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (23 commits)
  scsi: virtio_scsi: Add validation for residual bytes from response
  scsi: ipr: System crashes when seeing type 20 error
  scsi: core: Retry I/O for Notify (Enable Spinup) Required error
  scsi: mpi3mr: Fix warnings reported by smatch
  scsi: qedf: Add check to synchronize abort and flush
  scsi: MAINTAINERS: Add mpi3mr driver maintainers
  scsi: libfc: Fix array index out of bound exception
  scsi: mvsas: Use DEVICE_ATTR_RO()/RW() macro
  scsi: megaraid_mbox: Use DEVICE_ATTR_ADMIN_RO() macro
  scsi: qedf: Use DEVICE_ATTR_RO() macro
  scsi: qedi: Use DEVICE_ATTR_RO() macro
  scsi: message: mptfc: Switch from pci_ to dma_ API
  scsi: be2iscsi: Fix some missing space in some messages
  scsi: be2iscsi: Fix an error handling path in beiscsi_dev_probe()
  scsi: ufs: Fix build warning without CONFIG_PM
  scsi: bnx2fc: Remove meaningless bnx2fc_abts_cleanup() return value assignment
  scsi: qla2xxx: Add heartbeat check
  scsi: virtio_scsi: Do not overwrite SCSI status
  scsi: libsas: Add LUN number check in .slave_alloc callback
  scsi: core: Inline scsi_mq_alloc_queue()
  ...
2021-07-11 10:59:53 -07:00
Linus Torvalds
b1412bd75a perf tools changes for v5.14: 2nd batch
New features:
 
 - Enable use of BPF counters with 'perf stat --for-each-cgroup', using per-CPU
   'cgroup-switch' events with an attached BPF program that does aggregation
   per-cgroup in the kernel instead of using per-cgroup perf events.
 
 - Add Topdown metrics L2 events as default events in 'perf stat' for systems
   having those events.
 
 Hardware tracing:
 
 - Add a config for max loops without consuming a packet in the Intel PT packet
   decoder, set via 'perf config intel-pt.max-loops=N'
 
 Hardware enablement:
 
 - Disable misleading NMI watchdog message in 'perf stat' on hybrid systems
   such as Intel Alder Lake.
 
 - Add a dummy event on hybrid systems to collect metadata records.
 
 - Add 24x7 nest metric events for the Power10 platform.
 
 Fixes:
 
 - Fix event parsing for PMUs starting with the same prefix.
 
 - Fix the 'perf trace' 'trace' alias installation dir.
 
 - Fix buffer size to report iregs in perf script python scripts, supporting
   the extended registers in PowerPC.
 
 - Fix overflow in elf_sec__is_text().
 
 - Fix 's' on source line when disasm is empty in the annotation TUI, accessible
   via 'perf annotate', 'perf report' and 'perf top'.
 
 - Plug leaks in scandir() returned dirent entries in 'perf test' when sorting
   the shell tests.
 
 - Fix --task and --stat with pipe input in 'perf report'.
 
 - Fix 'perf probe' use of debuginfo files by build id.
 
 - If a DSO has both dynsym and symtab ELF sections, read from both when loading
   the symbol table, fixing a problem processing Fedora 32 glibc DSOs.
 
 Libraries:
 
 - Add grouping of events to libperf, from code in tools/perf, allowing
   libperf users to use that mode.
 
 Misc:
 
 - Filter plt stubs from the 'perf probe --functions' output.
 
 - Update UAPI header copies for asound, DRM, mman-common.h and the ones
   affected by the quotactl_fd syscall.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v5.14-2021-07-10' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull more perf tool updates from Arnaldo Carvalho de Melo:
 "New features:

   - Enable use of BPF counters with 'perf stat --for-each-cgroup',
     using per-CPU 'cgroup-switch' events with an attached BPF program
     that does aggregation per-cgroup in the kernel instead of using
     per-cgroup perf events.

   - Add Topdown metrics L2 events as default events in 'perf stat' for
     systems having those events.

  Hardware tracing:

   - Add a config for max loops without consuming a packet in the Intel
     PT packet decoder, set via 'perf config intel-pt.max-loops=N'

  Hardware enablement:

   - Disable misleading NMI watchdog message in 'perf stat' on hybrid
     systems such as Intel Alder Lake.

   - Add a dummy event on hybrid systems to collect metadata records.

   - Add 24x7 nest metric events for the Power10 platform.

  Fixes:

   - Fix event parsing for PMUs starting with the same prefix.

   - Fix the 'perf trace' 'trace' alias installation dir.

   - Fix buffer size to report iregs in perf script python scripts,
     supporting the extended registers in PowerPC.

   - Fix overflow in elf_sec__is_text().

   - Fix 's' on source line when disasm is empty in the annotation TUI,
     accessible via 'perf annotate', 'perf report' and 'perf top'.

   - Plug leaks in scandir() returned dirent entries in 'perf test' when
     sorting the shell tests.

   - Fix --task and --stat with pipe input in 'perf report'.

   - Fix 'perf probe' use of debuginfo files by build id.

   - If a DSO has both dynsym and symtab ELF sections, read from both
     when loading the symbol table, fixing a problem processing Fedora
     32 glibc DSOs.

  Libraries:

   - Add grouping of events to libperf, from code in tools/perf,
     allowing libperf users to use that mode.

  Misc:

   - Filter plt stubs from the 'perf probe --functions' output.

   - Update UAPI header copies for asound, DRM, mman-common.h and the
     ones affected by the quotactl_fd syscall"

* tag 'perf-tools-for-v5.14-2021-07-10' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (29 commits)
  perf test: Add free() calls for scandir() returned dirent entries
  libperf: Add tests for perf_evlist__set_leader()
  libperf: Remove BUG_ON() from library code in get_group_fd()
  libperf: Add group support to perf_evsel__open()
  perf tools: Fix pattern matching for same substring in different PMU type
  perf record: Add a dummy event on hybrid systems to collect metadata records
  perf stat: Add Topdown metrics L2 events as default events
  libperf: Adopt evlist__set_leader() from tools/perf as perf_evlist__set_leader()
  libperf: Move 'nr_groups' from tools/perf to evlist::nr_groups
  libperf: Move 'leader' from tools/perf to perf_evsel::leader
  libperf: Move 'idx' from tools/perf to perf_evsel::idx
  libperf: Change tests to single static and shared binaries
  perf intel-pt: Add a config for max loops without consuming a packet
  perf stat: Disable the NMI watchdog message on hybrid
  perf vendor events power10: Adds 24x7 nest metric events for power10 platform
  perf script python: Fix buffer size to report iregs in perf script
  perf trace: Fix the perf trace link location
  perf top: Fix overflow in elf_sec__is_text()
  perf annotate: Fix 's' on source line when disasm is empty
  perf probe: Do not show @plt function by default
  ...
2021-07-11 10:54:24 -07:00
Linus Torvalds
de55409658 RTC for 5.14
Drivers:
  - add or fix SPDX identifiers
  - NXP pcf*: fix datasheet URLs
  - imxdi: add wakeup support
  - pcf2127: handle timestamp interrupts, this fixes a possible interrupt storm
  - bd70528: Drop BD70528 support
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Merge tag 'rtc-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Mostly documentation/comment changes and non urgent fixes.

   - add or fix SPDX identifiers

   - NXP pcf*: fix datasheet URLs

   - imxdi: add wakeup support

   - pcf2127: handle timestamp interrupts, this fixes a possible
     interrupt storm

   - bd70528: Drop BD70528 support"

* tag 'rtc-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (33 commits)
  rtc: pcf8523: rename register and bit defines
  rtc: pcf2127: handle timestamp interrupts
  rtc: at91sam9: Remove unnecessary offset variable checks
  rtc: s5m: Check return value of s5m_check_peding_alarm_interrupt()
  rtc: spear: convert to SPDX identifier
  rtc: tps6586x: convert to SPDX identifier
  rtc: tps80031: convert to SPDX identifier
  rtc: rtd119x: Fix format of SPDX identifier
  rtc: sc27xx: Fix format of SPDX identifier
  rtc: palmas: convert to SPDX identifier
  rtc: max6900: convert to SPDX identifier
  rtc: ds1374: convert to SPDX identifier
  rtc: au1xxx: convert to SPDX identifier
  rtc: pcf85063: Update the PCF85063A datasheet revision
  dt-bindings: rtc: ti,bq32k: take maintainership
  rtc: pcf8563: Fix the datasheet URL
  rtc: pcf85063: Fix the datasheet URL
  rtc: pcf2127: Fix the datasheet URL
  dt-bindings: rtc: ti,bq32k: Convert to json-schema
  dt-bindings: rtc: rx8900: Convert to YAML schema
  ...
2021-07-10 16:19:10 -07:00