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Update dt-bindings to add IPQ5424 to USB DWC3 controller list.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Link: https://lore.kernel.org/r/20241118052839.382431-6-quic_varada@quicinc.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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https://github.com/Broadcom/stblinux into soc/dt
This pull request contains Broadcom ARM64-based SoCs Device Tree updates
for 6.14:
- Dave adds the display pipeline DT nodes on BCM2712 (Raspberry Pi 5)
- Rob removes some undocumented properties
- Same ensures that the CFE stub area is reserved to allow secondary
CPUs to be successfully brought up in Linux, also making sure that the
address used in the spin table is also carved out. Finally he adds
support for the Zyxel EX3510-B router using BCM4906
- Rosen converts the BCM4908 platforms to use the more flexible
nvmem-layout representation
* tag 'arm-soc/for-6.14/devicetree-arm64' of https://github.com/Broadcom/stblinux:
arm64: dts: bcm4908: nvmem-layout conversion
arm64: dts: broadcom: bcmbca: bcm4908: Add DT for Zyxel EX3510-B
dt-bindings: arm64: bcmbca: Add Zyxel EX3510-B based on BCM4906
arm64: dts: broadcom: bcmbca: bcm4908: Protect cpu-release-addr
arm64: dts: broadcom: bcmbca: bcm4908: Reserve CFE stub area
arm64: dts: broadcom: Remove unused and undocumented properties
arm64: dts: broadcom: Add DT for D-step version of BCM2712
arm64: dts: broadcom: Add display pipeline support to BCM2712
arm64: dts: broadcom: Add firmware clocks and power nodes to Pi5 DT
Link: https://lore.kernel.org/r/20250109224756.3632025-2-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://github.com/Broadcom/stblinux into soc/dt
This pull request contains Broadcom ARM-based SoCs Device Tree updates
for 6.14, please pull the following:
- Rob removes some unused and undocumented properties pertaining to the
SPI flash controller on Broadcom boards
- Linus adds a number of BCM6846 peripherals: HWRNG, watchdog, GPIO,
MDIO, LED controller, DMA and then proceeds with adding support for
the GEnexsis XG6846B PON router
- Rosen sets the MAC address NVMEM reference on the Meraki MR26 platform
* tag 'arm-soc/for-6.14/devicetree' of https://github.com/Broadcom/stblinux:
ARM: dts: meraki-mr26: set mac address for gmac0
ARM: dts: broadcom: Add Genexis XG6846B DTS file
dt-bindings: arm: bcmbca: Add Genexis XG6846B
dt-bindings: vendor-prefixes: Add Genexis
ARM: dts: bcm6846: Add ARM PL081 DMA block
ARM: dts: bcm6846: Add LED controller
ARM: dts: bcm6846: Add MDIO control block
ARM: dts: bcm6846: Add GPIO blocks
ARM: dts: bcm6846: Enable watchdog
ARM: dts: bcm6846: Add iproc rng
arm: dts: broadcom: Remove unused and undocumented properties
Link: https://lore.kernel.org/r/20250109224756.3632025-1-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into soc/dt
Allwinner Device Tree changes for 6.14
- Add support for DMA engine and audio codec on F1C100s
and enable audio codec on Lichee Pi Nano
- Add syscon and SRAM nodes for A100
- Enable CPU DVFS for Tanix TX1
- Explicitly configure TCON0 pixel clock parent according to display
output used
This includes one commit shared with the clock tree
dt-bindings: clock: sunxi: Export PLL_VIDEO_2X and PLL_MIPI
which adds the macros for the TCON0 pixel clock parents.
* tag 'sunxi-dt-for-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
arm64: dts: allwinner: a64: explicitly assign clock parent for TCON0
dt-bindings: clock: sunxi: Export PLL_VIDEO_2X and PLL_MIPI
arm64: dts: allwinner: h313: enable DVFS for Tanix TX1
arm64: dts: allwinner: a100: Add syscon nodes
dt-bindings: sram: sunxi-sram: Add A100 compatible
ARM: dts: suniv: f1c100s: Activate Audio Codec for Lichee Pi Nano
ARM: dts: suniv: f1c100s: Add support for Audio Codec
ARM: dts: suniv: f1c100s: Add support for DMA
Link: https://lore.kernel.org/r/Z36h2FwUxro8rouO@wens.tw
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into soc/dt
MediaTek ARM64 DeviceTree updates for v6.14
This adds a few cleanups, enhances support for upstreamed SoCs
and machines, other than adding new ones.
In particular, fixes and improvements:
- MT8516 gets a few fixes for GICv2, Watchdog and I2C, and
support for the Keypad controller;
- MT8390 Genio 700 board gets basic audio support;
- MT8365 gets an alias for its integrated ethernet controller;
- MT8195 gets an important fix for system suspend: all of the
machines based on this SoC and its IoT variant can now
properly perform PM Suspend to RAM;
- MT8188 gets support for its Mali GPU with DVFS and a fix for
the OVL Hardware found in the Display Controller using the
right compatible strings;
- MT8186 Chromebooks can now suspend properly thanks to a fix
moving the USB wakeups from XHCI to MTU3 (USB) controller;
- MT8183 Chromebooks get a fix for their DMIC microphone and
proper support for their second-source touchscreen;
- MT7988 SoC and the BananaPi R4 board gets support for Pinctrl,
eMMC/SD, Thermal, CPU DVFS, PCI-Express, and peripherals like
the RT5190A PMIC, PCA9545 I2C mux, and others;
- MT7986 BananaPi R3 board gets support for SATA power socket;
And cleanups:
- Dropped regulator-compatible property from MediaTek DTs;
- Aligned thermal node names with bindings on MT8183 Kukui;
- MT6397 PMIC get proper sub-node names, fixing dt validation;
- The property enabling Wake-On-Lan feature changed in all of
the boards and driver to match the actual meaning of it
(mediatek,mac-wol now enables wol on mac instead of phy);
- Compatibles for MediaTek PMIC Keypad are added to bindings
and can now pass dts validation;
...and the newly added machines are:
- MT8188 (Ciri) Lenovo Chromebook Duet
- MT8186 (Starmie) ASUS Chromebook Enterprise CM30
- MT8186 (Chinchou) ASUS Chromebook CZ12 and CZ12 Flip
* tag 'mtk-dts64-for-v6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux: (71 commits)
arm64: dts: mediatek: mt8516: add keypad node
arm64: dts: mediatek: add per-SoC compatibles for keypad nodes
dt-bindings: mediatek,mt6779-keypad: add more compatibles
arm64: dts: mediatek: mt8365-evk: Set ethernet alias
dts: arm64: mediatek: mt8195: Remove MT8183 compatible for OVL
dts: arm64: mediatek: mt8188: Update OVL compatible from MT8183 to MT8195
dt-bindings: display: mediatek: ovl: Modify rules for MT8195/MT8188
dt-bindings: display: mediatek: ovl: Add compatible strings for MT8188 MDP3
dt-bindings: arm: mediatek: Drop MT8192 Chromebook variants that never shipped
arm64: dts: mediatek: mt8192: Drop Chromebook variants that never shipped
arm64: dts: mediatek: mt7988a-bpi-r4: Add proc-supply for cpus
arm64: dts: mediatek: mt7988a-bpi-r4: Add MediaTek MT6682A/RT5190A PMIC
arm64: dts: mediatek: mt7988a-bpi-r4: Enable pcie
arm64: dts: mediatek: mt7988a-bpi-r4: Enable pwm
arm64: dts: mediatek: mt7988a-bpi-r4: Enable ssusb1 on bpi-r4
arm64: dts: mediatek: mt7988a-bpi-r4: Enable t-phy for ssusb1
arm64: dts: mediatek: mt7988a-bpi-r4: Add PCA9545 I2C Mux
arm64: dts: mediatek: mt7988a-bpi-r4: Enable I2C controllers
arm64: dts: mediatek: mt7988a-bpi-r4: Add default UART stdout
arm64: dts: mediatek: mt7988a-bpi-r4: Enable serial0 debug uart
...
Link: https://lore.kernel.org/r/20250108100826.32458-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into soc/dt
Microchip AT91 device tree updates for v6.14
This update includes:
- power monitor support for the SAM9X75 Curiosity board (using the PAC1934
device)
- fix the VDDSDMMC rail to 3.3V to avoid breaking USB (for SAMA5D27 WLSOM1
EK and SAMA5D29 Curiosity boards)
- partial support for the SAMA7D65 SoC
- cleanups
* tag 'at91-dt-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
ARM: dts: microchip: sam9x7: Add address/size to spi-controller nodes
ARM: dts: microchip: sam9x60: Add address/size to spi-controller nodes
ARM: dts: microchip: sama5d27_wlsom1_ek: Add no-1-8-v property to sdmmc0 node
ARM: dts: microchip: sama5d29_curiosity: Add no-1-8-v property to sdmmc0 node
ARM: dts: at91: Add sama7d65 pinmux
dt-bindings: atmel-sysreg: add sama7d65 RAM and PIT
dt-bindings: ARM: at91: Document Microchip SAMA7D65 Curiosity
ARM: dts: microchip: sam9x75_curiosity: Add power monitor support
ARM: dts: microchip: sam9x7: Move i2c address/size to dtsi
Link: https://lore.kernel.org/r/20250107081424.758980-2-claudiu.beznea@tuxon.dev
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/dt
Renesas DTS updates for v6.14 (take two)
- Add pin control support for the RZ/G3E SoC and the RZ/G3E SMARC
Carrier-II EVK development board,
- Add Image Signal Processor helper block (FCPVX and VSPX) support for
the R-Car V4H SoC,
- Describe odd C-PHY wiring on the White Hawk CSI/DSI sub-board,
- Miscellaneous fixes and improvements.
* tag 'renesas-dts-for-v6.14-tag2' of https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
arm64: dts: renesas: white-hawk-csi-dsi: Define CSI-2 data line orders
arm64: dts: renesas: r8a779g0: Add VSPX instances
arm64: dts: renesas: r8a779g0: Add FCPVX instances
arm64: dts: renesas: r9a09g047e57-smarc: Add SCIF pincontrol
arm64: dts: renesas: r9a09g047: Add pincontrol node
arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Replace RZG2L macros
dt-bindings: pinctrl: renesas: Document RZ/G3E SoC
dt-bindings: pinctrl: renesas: Add alpha-numerical port support for RZ/V2H
Link: https://lore.kernel.org/r/cover.1736180859.git.geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti into soc/dt
Add and enable MALI400 support for STiH410-b2260
* tag 'sti-dt-for-v6.14-round1' of https://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti:
ARM: dts: st: enable the MALI gpu on the stih410-b2260
ARM: dts: st: add node for the MALI gpu on stih410.dtsi
dt-bindings: gpu: mali-utgard: Add st,stih410-mali compatible
Link: https://lore.kernel.org/r/f44cb1f0-4d91-4e25-8b1f-3dd9a7bed62b@foss.st.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into soc/dt
i.MX dt-bindings change for 6.14:
- Add compatibles for i.MX8MP based SoM and carrier from ABB
* tag 'imx-bindings-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
dt-bindings: arm: fsl: Add ABB SoM and carrier
Link: https://lore.kernel.org/r/20250105095139.714590-2-shawnguo2@yeah.net
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next
Pull interconnect changes from Georgi:
interconnect changes for 6.14
This pull request contains the interconnect changes for the 6.14-rc1 merge
window. It contains one new driver and DT documentation updates for L3
and bandwidth monitors.
Driver changes:
- New driver for the SM8750 platform
- Add DT compatibles for QCS615 BWMON and SM8650 OSM
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* tag 'icc-6.14-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc:
dt-bindings: interconnect: qcom,msm8998-bwmon: Add SM8750 CPU BWMONs
dt-bindings: interconnect: OSM L3: Document sm8650 OSM L3 compatible
dt-bindings: interconnect: qcom-bwmon: Document QCS615 bwmon compatibles
interconnect: sm8750: Add missing const to static qcom_icc_desc
interconnect: qcom: Add interconnect provider driver for SM8750
dt-bindings: interconnect: add interconnect bindings for SM8750
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Merge from Jonathan:
IIO: 2nd set of fixes for the 6.13 cycle.
Given timing so late in cycle and that they are all confined to
specific drivers, it is fine for these to go upstream early in the
6.14 cycle.
hid-sensors
- Handle processed attention channel rather than just returning
an error.
adi,ad3552r
- Fix output ranges for ad3541r and ad3542r.
- Clear the reset status flag so that we can pick up any resets
during operation.
adi,ad5791
- Fix a misleading dt binding example where the sense of the
interrupt was reversed.
adi,ad7606
- Fix some hard coded offsets that should be taking the number of
channels on a particular part into account. These were missed
due to some racing changes.
ams,as73211
- Fix an off by one in optimized path for just reading the colour
channels.
bosch,bme680
- Fix type of variable passed as pointer, ensuring it works on
big endian systems and doesn't expose uninitialized data.
* tag 'iio-fixes-for-6.13b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: dac: ad3552r-hs: clear reset status flag
iio: dac: ad3552r-common: fix ad3541/2r ranges
iio: chemical: bme680: Fix uninitialized variable in __bme680_read_raw()
iio: light: as73211: fix channel handling in only-color triggered buffer
dt-bindings: iio: dac: ad5791: ldac gpio is active low
iio: hid-sensor-prox: Fix invalid read_raw for attention
iio: adc: ad7606: Fix hardcoded offset in the ADC channels
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Fix two kernel doc warnings introduced by the recent DP audio patch:
- Add a doc line for the new "audio" field
- Remove a reference to zynqmp_dpsub.c from zynqmp.rst, as the .c file
no longer has structured comments
Fixes: 3ec5c1579305 ("drm: xlnx: zynqmp_dpsub: Add DP audio support")
Closes: https://lore.kernel.org/all/20241220154208.720d990b@canb.auug.org.au/
Reviewed-by: Vishal Sagar <vishal.sagar@amd.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241220-xilinx-dp-audio-doc-fix-v1-1-cc488996e463@ideasonboard.com
(cherry picked from commit 96b5d2e807f667320c66f41ddc1c473023a73ab2)
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Stephen reports that 'make htmldocs' spits out a warning
("Documentation/virt/kvm/devices/vcpu.rst:147: WARNING: Definition
list ends without a blank line; unexpected unindent.").
Fix it by keeping all the timer attributes on a single line.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Marc Zyngier <maz@kernel.org>
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Add compatible strings for V853 family pinctrl.
Signed-off-by: Andras Szemzo <szemzo.andras@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/20250110123923.270626-3-szemzo.andras@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The addition of DT bindings for enabling and tuning spread spectrum
clocking generation is available only for the main PLL of stm32f{4,7}
platforms.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250114182021.670435-3-dario.binacchi@amarulasolutions.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The patch converts st,stm32-rcc.txt to the JSON schema, but it does more
than that. The old bindings, in fact, only covered the stm32f{4,7}
platforms and not the stm32h7. Therefore, to avoid patch submission tests
failing, it was necessary to add the corresponding compatible (i. e.
st,stm32h743-rcc) and specify that, in this case, 3 are the clocks instead
of the 2 required for the stm32f{4,7} platforms.
Additionally, the old bindings made no mention of the st,syscfg property,
which is used by both the stm32f{4,7} and the stm32h7 platforms.
The patch also fixes the files referencing to the old st,stm32-rcc.txt.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250114182021.670435-2-dario.binacchi@amarulasolutions.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The hds-thresh option configures the threshold value of
the header-data-split.
If a received packet size is larger than this threshold value, a packet
will be split into header and payload.
The header indicates TCP and UDP header, but it depends on driver spec.
The bnxt_en driver supports HDS(Header-Data-Split) configuration at
FW level, affecting TCP and UDP too.
So, If hds-thresh is set, it affects UDP and TCP packets.
Example:
# ethtool -G <interface name> hds-thresh <value>
# ethtool -G enp14s0f0np0 tcp-data-split on hds-thresh 256
# ethtool -g enp14s0f0np0
Ring parameters for enp14s0f0np0:
Pre-set maximums:
...
HDS thresh: 1023
Current hardware settings:
...
TCP data split: on
HDS thresh: 256
The default/min/max values are not defined in the ethtool so the drivers
should define themself.
The 0 value means that all TCP/UDP packets' header and payload
will be split.
Tested-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Link: https://patch.msgid.link/20250114142852.3364986-3-ap420073@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add max77705 fuel gauge support.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250108-starqltechn_integration_upstream-v14-2-f6e84ec20d96@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add POWER_SUPPLY_HEALTH_UNDERVOLTAGE status for power supply
to report under voltage lockout failures.
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250108-starqltechn_integration_upstream-v14-1-f6e84ec20d96@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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spi: Support DTR in spi-mem
Changes to support DTR with spi-mem.
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https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/dt
Samsung DTS ARM64 changes for v6.14
1. Exynos8895: Add UART nodes, PMU (performance) for the M2 cluster and
I2C controllers in the camera block (HSI2C in CAM0-3).
2. Exynos990: Add Power Management Unit (Samsung block), PMU
(performance) for M5 cluster and two clock controllers.
3. ExynosAutov920: Add watchdog and DMA controllers.
4. Google GS101: Minor fixes for phy and USB. Add USB Type-C.
5. Exynos850-e850-96 board: Drop gap in memory layout.
6. New SoC: Exynos9810.
7. New boards, all mobile phones:
- Exynos9810:
Samsung Galaxy S9 (SM-G960F)
- Exynos990:
Samsung Galaxy S20 FE (SM-G780F)
Samsung Galaxy S20 5G (SM-G980F)
* tag 'samsung-dt64-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: (23 commits)
arm64: dts: exynos8895: Add camera hsi2c nodes
arm64: dts: exynos990: Add clock management unit nodes
arm64: dts: exynos: gs101-oriole: add pd-disable and typec-power-opmode
arm64: dts: exynos: gs101-oriole: enable Maxim max77759 TCPCi
arm64: dts: exynos: Add initial support for Samsung Galaxy S9 (SM-G960F)
arm64: dts: exynos: Add Exynos9810 SoC support
arm64: dts: exynos850-e850-96: Specify reserved secure memory explicitly
arm64: dts: exynos990: Add a PMU node for the third cluster
arm64: dts: exynosautov920: Add DMA nodes
arm64: dts: exynos8895: Add a PMU node for the second cluster
dt-bindings: clock: samsung: Add Exynos990 SoC CMU bindings
arm64: dts: exynosautov920: add watchdog DT node
arm64: dts: exynos: Add initial support for Samsung Galaxy S20 (x1slte)
arm64: dts: exynos: Add initial support for Samsung Galaxy S20 5G (x1s)
arm64: dts: exynos: Add initial support for Samsung Galaxy S20 Series boards (x1s-common)
dt-bindings: arm: samsung: samsung-boards: Add bindings for SM-G981B and SM-G980F board
arm64: dts: exynos: gs101: allow stable USB phy Vbus detection
arm64: dts: exynos: gs101: phy region for exynos5-usbdrd is larger
MAINTAINERS: add myself and Tudor as reviewers for Google Tensor SoC
arm64: dts: exynos990: Add pmu and syscon-reboot nodes
...
Link: https://lore.kernel.org/r/20241231131742.134329-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/ath/ath
ath.git patches for v6.14
This development cycle again featured multiple patchsets to ath12k to
support the new 802.11be MLO feature, this time including the device
grouping infrastructure, and the advertisement of MLO support to the
wireless core. However the MLO feature is still considered to be
incomplete.
In addition, there was the usual set of bug fixes and cleanups, mostly
in ath12k, but also in ath9k.
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We are now using the on-chip PMU node for power sequencing to manage the
enable/disable functionality of Bluetooth. Consequently, the inputs
previously marked as required under the Bluetooth node can be removed.
For instance, the enable GPIO is now managed by the PMU node with the
property bt-enable-gpios.
Signed-off-by: Janaki Ramaiah Thota <quic_janathot@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Expand the firmware-name property to specify the names of NVM and
rampatch firmware to load. This update will support loading specific
firmware (nvm and rampatch) for certain chips, like the QCA6698
Bluetooth chip, which shares the same IP core as the WCN6855 but has
different RF components and RAM sizes, requiring new firmware files.
We might use different connectivity boards on the same platform. For
example, QCA6698-based boards can support either a two-antenna or
three-antenna solution, both of which work on the sa8775p-ride platform.
Due to differences in connectivity boards and variations in RF
performance from different foundries, different NVM configurations are
used based on the board ID.
So In firmware-name, if the NVM file has an extension, the NVM file will
be used. Otherwise, the system will first try the .bNN (board ID) file,
and if that fails, it will fall back to the .bin file.
Possible configurations:
firmware-name = "QCA6698/hpnv21.bin", "QCA6698/hpbtfw21.tlv";
firmware-name = "QCA6698/hpnv21", "QCA6698/hpbtfw21.tlv";
firmware-name = "QCA6698/hpnv21.bin";
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Cheng Jiang <quic_chejiang@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
|
|
This compatible was only added to the list for compatibility with older
dtschema (<2024.02). Add it to the other list also so both new and old
tools work.
Fixes: 0d078d47cd3e ("dt-bindings: mfd: syscon: Add ti,j784s4-acspcie-proxy-ctrl compatible")
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Romain Naour <romain.naour@smile.fr>
Link: https://lore.kernel.org/r/20250103174524.28768-2-afd@ti.com
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
This compatible seems to be missing the last 'e', looks to be a typo
when creating this file. Noticed this when diff'ing the two compatible
lists (which should stay in sync).
Fixes: f97b0435c857 ("dt-bindings: mfd: syscon: Split and enforce documenting MFD children")
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250103174524.28768-4-afd@ti.com
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/drivers
Samsung SoC drivers for v6.14
1. Add new bindings for sysreg in Exynos8895.
2. Minor improvements in Exynos USI bindings.
3. Fix for Smatch warning in Exynos PMU syscon driver.
* tag 'samsung-drivers-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
soc: samsung: exynos-pmu: Fix uninitialized ret in tensor_set_bits_atomic()
dt-bindings: soc: samsung: exynos-sysreg: add sysreg compatibles for exynos8895
dt-bindings: samsung: exynos-usi: Restrict possible samsung,mode values
Link: https://lore.kernel.org/r/20250112180846.64154-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.14
The Qualcomm SCM drivers gains a number of fixes and improvements
related to race conditions during initialization. QSEECOM and the EFI
variable service therein is enabled for a few 8cx Gen 3 and X Elite
boards.
LLCC driver gains configuration for IPQ5424 and WRCACHE is enabled on X
Elite.
The BCM_TCS_CMD() macro is corrected and is cleaned up.
Support for SM7225 and X 1 Plus are added to the pd-mapper.
pmic_glink and the associated altmode driver are simplied using guards.
socinfo is added for QCS9075 and serial number readout on MSM8916
devices is corrected.
* tag 'qcom-drivers-for-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (29 commits)
firmware: qcom: scm: add calls for wrapped key support
soc: qcom: pd_mapper: Add SM7225 compatible
dt-bindings: firmware: qcom,scm: Document ipq5424 SCM
soc: qcom: llcc: Update configuration data for IPQ5424
dt-bindings: cache: qcom,llcc: Add IPQ5424 compatible
firmware: qcom: scm: smc: Narrow 'mempool' variable scope
firmware: qcom: scm: smc: Handle missing SCM device
firmware: qcom: scm: Cleanup global '__scm' on probe failures
firmware: qcom: scm: Fix missing read barrier in qcom_scm_get_tzmem_pool()
firmware: qcom: scm: Fix missing read barrier in qcom_scm_is_available()
soc: qcom: socinfo: add QCS9075 SoC ID
dt-bindings: arm: qcom,ids: add SoC ID for QCS9075
soc: qcom: socinfo: Avoid out of bounds read of serial number
firmware: qcom: scm: Allow QSEECOM on Huawei Matebook E Go (sc8280xp)
firmware: qcom: scm: Allow QSEECOM for Windows Dev Kit 2023
firmware: qcom: scm: Allow QSEECOM for HP Omnibook X14
soc: qcom: rmtfs: constify rmtfs_class
soc: qcom: rmtfs: allow building the module with COMPILE_TEST=y
soc: qcom: pmic_glink_altmode: simplify locking with guard()
soc: qcom: Rework BCM_TCS_CMD macro
...
Link: https://lore.kernel.org/r/20250111172901.391774-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
Document newly added "count_clock" sysfs entry for the Mellanox
BlueField PMC driver.
Signed-off-by: Shravan Kumar Ramani <shravankr@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/367301238efff01fc200c67bca461c0424baf95d.1736413033.git.shravankr@nvidia.com
[ij: corrected KernelVersion & Date]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
|
|
Document the sysfs interface for programming and monitoring the
performance counters in various HW blocks of Mellanox BlueField-1,
BlueField-2 and BlueField-3.
Signed-off-by: Shravan Kumar Ramani <shravankr@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/9a9e69bd99cad3ad8d1847a6e4e10aff80c6df50.1736413033.git.shravankr@nvidia.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
|
|
Add a dt-binding compatible for the Exynos990 PMU. It's compatible
with the Exynos7 PMU design. It handles system reboot, as well as
other system control registers (i.e registers for the USB PHY).
Signed-off-by: Igor Belwon <igor.belwon@mentallysanemainliners.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20241204145559.524932-2-igor.belwon@mentallysanemainliners.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241231131742.134329-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
Existing primitive has several problems:
1) calling conventions are clumsy - it returns a dentry reference
that is either identical to its second argument or is an ERR_PTR(-E...);
in both cases no refcount changes happen. Inconvenient for users and
bug-prone; it would be better to have it return 0 on success and -E... on
failure.
2) it allows cross-directory moves; however, no such caller have
ever materialized and considering the way debugfs is used, it's unlikely
to happen in the future. What's more, any such caller would have fun
issues to deal with wrt interplay with recursive removal. It also makes
the calling conventions clumsier...
3) tautological rename fails; the callers have no race-free way
to deal with that.
4) new name must have been formed by the caller; quite a few
callers have it done by sprintf/kasprintf/etc., ending up with considerable
boilerplate.
Proposed replacement: int debugfs_change_name(dentry, fmt, ...). All callers
convert to that easily, and it's simpler internally.
IMO debugfs_rename() should go; if we ever get a real-world use case for
cross-directory moves in debugfs, we can always look into the right way
to handle that.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20250112080705.141166-21-viro@zeniv.linux.org.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
These are flags to be passed when linking proc macros for the Rust
toolchain. If unset, it defaults to $(KBUILD_HOSTLDFLAGS).
This is needed because the list of flags to link hostprogs is not
necessarily the same as the list of flags used to link libmacros.so.
When we build proc macros, we need the latter, not the former (e.g. when
using a Rust compiler binary linked to a different C library than host
programs).
To distinguish between the two, introduce this new variable to stand
out from KBUILD_HOSTLDFLAGS used to link other host progs.
Signed-off-by: HONG Yifan <elsk@google.com>
Link: https://lore.kernel.org/r/20241017210430.2401398-2-elsk@google.com
[ v3:
- `export`ed the variable. Otherwise it would not be visible in
`rust/Makefile`.
- Removed "additional" from the documentation and commit message,
since this actually replaces the other flags, unlike other cases.
- Added example of use case to documentation and commit message.
Thanks Alice for the details on what Google needs!
- Instead of `HOSTLDFLAGS`, used `KBUILD_HOSTLDFLAGS` as the fallback
to preserve the previous behavior as much as possible, as discussed
with Alice/Yifan. Thus moved the variable down too (currently we
do not modify `KBUILD_HOSTLDFLAGS` elsewhere) and avoided
mentioning `HOSTLDFLAGS` directly in the documentation.
- Fixed documentation header formatting.
- Reworded slightly.
- Miguel ]
Tested-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: HONG Yifan <elsk@google.com>
Acked-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20241112184455.855133-1-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
|
|
Commit b168ed458dde ("kernel/cgroup: Add "dmem" memory accounting
cgroup") introduced a new documentation file, with a shorter than
expected underline. This results in a documentation build warning. Fix
that underline length.
Fixes: b168ed458dde ("kernel/cgroup: Add "dmem" memory accounting cgroup")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/r/20250113154611.624256bf@canb.auug.org.au/
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20250113092608.1349287-4-mripard@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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|
Commit b168ed458dde ("kernel/cgroup: Add "dmem" memory accounting
cgroup") introduced a new documentation file, but didn't link it
anywhere. It was thus triggering a documentation build warning. Make
sure it's included as part of the DRM documentation.
Fixes: b168ed458dde ("kernel/cgroup: Add "dmem" memory accounting cgroup")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/r/20250113155000.4a99e7b0@canb.auug.org.au/
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20250113092608.1349287-3-mripard@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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|
As announced back in April, require running upstream tests
to maintain Supported status for NIC drivers:
https://lore.kernel.org/20240425114200.3effe773@kernel.org
Multiple vendors have been "working on it" for months.
Let's make it official.
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250111024359.3678956-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Re-enabling NFSv3 LOCALIO is made more complex (than NFSv4) because v3
is stateless. As such, the hueristic used to identify a LOCALIO probe
point is more adhoc by nature: if/when NFSv3 client IO begins to
complete again in terms of normal RPC-based NFSv3 server IO, attempt
nfs_local_probe_async().
Care is taken to throttle the frequency of nfs_local_probe_async(),
otherwise there could be a flood of repeat calls to
nfs_local_probe_async().
The throttle is admin controlled using a new module parameter for
nfsv3, e.g.:
echo 512 > /sys/module/nfsv3/parameters/nfs3_localio_probe_throttle
Probe for NFSv3 LOCALIO every N IO requests (512 in this case). Must
be power-of-2, defaults to 0 (probing disabled).
On systems that expect to use LOCALIO with NFSv3 the admin should
configure the 'nfs3_localio_probe_throttle' module parameter.
This commit backfills module parameter documentation in localio.rst
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
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Also update Documentation/filesystems/nfs/localio.rst accordingly
and reduce the technical documentation debt that was previously
captured in that document.
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
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This commit simply adds the required O_DIRECT plumbing. It doesn't
address the fact that NFS doesn't ensure all writes are page aligned
(nor device logical block size aligned as required by O_DIRECT).
Because NFS will read-modify-write for IO that isn't aligned, LOCALIO
will not use O_DIRECT semantics by default if/when an application
requests the use of O_DIRECT. Allow the use of O_DIRECT semantics by:
1: Adding a flag to the nfs_pgio_header struct to allow the NFS
O_DIRECT layer to signal that O_DIRECT was used by the application
2: Adding a 'localio_O_DIRECT_semantics' NFS module parameter that
when enabled will cause LOCALIO to use O_DIRECT semantics (this may
cause IO to fail if applications do not properly align their IO).
This commit is derived from code developed by Weston Andros Adamson.
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Hopefully the last PR for 6.13. This became bigger than wished due to
the timing after holiday breaks.
The only large LOC is the additional document for Cirrus codec which
is nice for users (and absolutely safe). All the rest are small fixes
in ASoC Rcar and codecs as well as HD-audio quirks (And no fix for USB
guitar pedals seen yet :)"
* tag 'sound-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek: Fix volume adjustment issue on Lenovo ThinkBook 16P Gen5
ALSA: hda/realtek: fixup ASUS H7606W
ALSA: hda/realtek: fixup ASUS GA605W
ALSA: hda/realtek: Add support for Ayaneo System using CS35L41 HDA
ASoC: rsnd: check rsnd_adg_clk_enable() return value
ASoC: cs42l43: Add codec force suspend/resume ops
ALSA: doc: Add codecs/index.rst to top-level index
ALSA: doc: cs35l56: Add information about Cirrus Logic CS35L54/56/57
ASoC: samsung: Add missing depends on I2C
MAINTAINERS: add missing maintainers for Simple Audio Card
ASoC: samsung: Add missing selects for MFD_WM8994
ASoC: codecs: es8316: Fix HW rate calculation for 48Mhz MCLK
ASoC: wm8994: Add depends on MFD core
ASoC: tas2781: Fix occasional calibration failture
ASoC: codecs: ES8326: Adjust ANA_MICBIAS to reduce pop noise
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The device full name is embedded trace extension. There is no good fit
in generic names list for the embedded trace extension. ETE is abbreviation
of embedded trace extension and the number is the CPU number that ete is
associated. Change the pattern of the node name as it won't affect any
device tree node as of now.
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20250107090031.3319-2-quic_jinlmao@quicinc.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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The function graph tracer now calculates the calltime internally and for
each instance. If there are two instances that are running function graph
tracer and are tracing the same functions, the timings of the length of
those functions may be slightly different:
# trace-cmd record -B foo -p function_graph -B bar -p function_graph sleep 5
# trace-cmd report
[..]
bar: sleep-981 [000] ...1. 1101.109027: funcgraph_entry: 0.764 us | mutex_unlock(); (ret=0xffff8abcc256c300)
foo: sleep-981 [000] ...1. 1101.109028: funcgraph_entry: 0.748 us | mutex_unlock(); (ret=0xffff8abcc256c300)
bar: sleep-981 [000] ..... 1101.109029: funcgraph_exit: 2.456 us | } (ret=0xffff8abcc256c300)
foo: sleep-981 [000] ..... 1101.109029: funcgraph_exit: 2.403 us | } (ret=0xffff8abcc256c300)
bar: sleep-981 [000] d..1. 1101.109031: funcgraph_entry: 0.844 us | fpregs_assert_state_consistent(); (ret=0x0)
foo: sleep-981 [000] d..1. 1101.109032: funcgraph_entry: 0.803 us | fpregs_assert_state_consistent(); (ret=0x0)
Link: https://lore.kernel.org/all/20250114101806.b2778cb01f34f5be9d23ad98@kernel.org/
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Suggested-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lore.kernel.org/20250114101202.02e7bc68@gandalf.local.home
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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Add compatible string "fsl,imx943-micfil" for i.MX943 platform.
The definition of register map and some register bit map is
different on the i.MX943 platform.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://patch.msgid.link/20250114102720.3664667-3-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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DTS example in the bindings should be indented with 2- or 4-spaces and
aligned with opening '- |', so correct any differences like 3-spaces or
mixtures 2- and 4-spaces in one binding.
No functional changes here, but saves some comments during reviews of
new patches built on existing code.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/20250107125836.225447-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v6.14 (take two)
- Add support for alpha-numerical port references on the RZ/V2H SoC,
- Add support for the RZ/G3E (R9A09G047) Soc.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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pair guide
Replace generic instructions for monitoring error counters with a
procedure using the unified PHY statistics interface (`--all-groups`).
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Introduce a new way to report PHY statistics in a structured and
standardized format using the netlink API. This new method does not
replace the old driver-specific stats, which can still be accessed with
`ethtool -S <eth name>`. The structured stats are available with
`ethtool -S <eth name> --all-groups`.
This new method makes it easier to diagnose problems by organizing stats
in a consistent and documented way.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-mergewindow
at24 updates for v6.14-rc1
- add new compatibles for at24 variants from Giantec and Puya
Semiconductor (together with a new vendor prefix)
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Currently, large folio swap-in is supported, but we lack a method to
analyze their success ratio. Similar to anon_fault_fallback, we introduce
per-order mTHP swpin_fallback and swpin_fallback_charge counters for
calculating their success ratio. The new counters are located at:
/sys/kernel/mm/transparent_hugepage/hugepages-<size>/stats/
swpin_fallback
swpin_fallback_charge
Link: https://lkml.kernel.org/r/20241202124730.2407037-1-haowenchao22@gmail.com
Signed-off-by: Wenchao Hao <haowenchao22@gmail.com>
Reviewed-by: Barry Song <baohua@kernel.org>
Reviewed-by: Lance Yang <ioworker0@gmail.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Usama Arif <usamaarif642@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Patch series "synchronously scan and reclaim empty user PTE pages", v4.
Previously, we tried to use a completely asynchronous method to reclaim
empty user PTE pages [1]. After discussing with David Hildenbrand, we
decided to implement synchronous reclaimation in the case of
madvise(MADV_DONTNEED) as the first step.
So this series aims to synchronously free the empty PTE pages in
madvise(MADV_DONTNEED) case. We will detect and free empty PTE pages in
zap_pte_range(), and will add zap_details.reclaim_pt to exclude cases
other than madvise(MADV_DONTNEED).
In zap_pte_range(), mmu_gather is used to perform batch tlb flushing and
page freeing operations. Therefore, if we want to free the empty PTE page
in this path, the most natural way is to add it to mmu_gather as well.
Now, if CONFIG_MMU_GATHER_RCU_TABLE_FREE is selected, mmu_gather will free
page table pages by semi RCU:
- batch table freeing: asynchronous free by RCU
- single table freeing: IPI + synchronous free
But this is not enough to free the empty PTE page table pages in paths
other that munmap and exit_mmap path, because IPI cannot be synchronized
with rcu_read_lock() in pte_offset_map{_lock}(). So we should let single
table also be freed by RCU like batch table freeing.
As a first step, we supported this feature on x86_64 and selectd the newly
introduced CONFIG_ARCH_SUPPORTS_PT_RECLAIM.
For other cases such as madvise(MADV_FREE), consider scanning and freeing
empty PTE pages asynchronously in the future.
Note: issues related to TLB flushing are not new to this series and are tracked
in the separate RFC patch [3]. And more context please refer to this
thread [4].
[1]. https://lore.kernel.org/lkml/cover.1718267194.git.zhengqi.arch@bytedance.com/
[2]. https://lore.kernel.org/lkml/cover.1727332572.git.zhengqi.arch@bytedance.com/
[3]. https://lore.kernel.org/lkml/20240815120715.14516-1-zhengqi.arch@bytedance.com/
[4]. https://lore.kernel.org/lkml/6f38cb19-9847-4f70-bbe7-06881bb016be@bytedance.com/
This patch (of 11):
In retract_page_tables(), the lock of new_folio is still held, we will be
blocked in the page fault path, which prevents the pte entries from being
set again. So even though the old empty PTE page may be concurrently
freed and a new PTE page is filled into the pmd entry, it is still empty
and can be removed.
So just refactor the retract_page_tables() a little bit and recheck the
pmd state after holding the pmd lock.
Link: https://lkml.kernel.org/r/cover.1733305182.git.zhengqi.arch@bytedance.com
Link: https://lkml.kernel.org/r/70a51804cd19d44ccaf031825d9fb6eaf92f2bad.1733305182.git.zhengqi.arch@bytedance.com
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Suggested-by: Jann Horn <jannh@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Peter Xu <peterx@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Cc: Zach O'Keefe <zokeefe@google.com>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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