S: Maintained
F: drivers/acpi/arm64
+F: include/linux/acpi_iort.h
ACPI FOR RISC-V (ACPI/riscv)
F: drivers/mfd/adp5520.c
F: drivers/video/backlight/adp5520_bl.c
+ADP5585 GPIO EXPANDER, PWM AND KEYPAD CONTROLLER DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/*/adi,adp5585*.yaml
+F: drivers/gpio/gpio-adp5585.c
+F: drivers/mfd/adp5585.c
+F: drivers/pwm/pwm-adp5585.c
+F: include/linux/mfd/adp5585.h
+
ADP5588 QWERTY KEYPAD AND IO EXPANDER DRIVER (ADP5588/ADP5587)
S: Supported
F: arch/arm64/boot/dts/amd/amd-seattle-xgbe*.dtsi
F: drivers/net/ethernet/amd/xgbe/
+AMLOGIC BLUETOOTH DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/net/bluetooth/amlogic,w155s2-bt.yaml
+F: drivers/bluetooth/hci_aml.c
+
AMLOGIC DDR PMU DRIVER
F: Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
F: drivers/iio/dac/ad3552r.c
+ANALOG DEVICES INC AD4000 DRIVER
+S: Supported
+W: https://ez.analog.com/linux-software-drivers
+F: Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
+
ANALOG DEVICES INC AD4130 DRIVER
F: Documentation/devicetree/bindings/perf/apm-xgene-pmu.txt
F: drivers/perf/xgene_pmu.c
+APPLIED MICRO QT2025 PHY DRIVER
+S: Maintained
+F: drivers/net/phy/qt2025.rs
+
APTINA CAMERA SENSOR PLL
F: drivers/power/reset/arm-versatile-reboot.c
F: drivers/soc/versatile/
+ARM INTERCONNECT PMU DRIVERS
+S: Supported
+F: Documentation/admin-guide/perf/arm-cmn.rst
+F: Documentation/admin-guide/perf/arm-ni.rst
+F: Documentation/devicetree/bindings/perf/arm,cmn.yaml
+F: Documentation/devicetree/bindings/perf/arm,ni.yaml
+F: drivers/perf/arm-cmn.c
+F: drivers/perf/arm-ni.c
+F: tools/perf/pmu-events/arch/arm64/arm/cmn/
+
ARM KOMEDA DRM-KMS DRIVER
S: Supported
F: drivers/iommu/arm/
F: drivers/iommu/io-pgtable-arm*
+ARM SMMU SVA SUPPORT
+F: drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
+
ARM SUB-ARCHITECTURES
S: Maintained
S: Supported
W: http://www.linux4sam.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux.git
-F: arch/arm/boot/dts/microchip/at91*
-F: arch/arm/boot/dts/microchip/sama*
+F: arch/arm/boot/dts/microchip/
F: arch/arm/include/debug/at91.S
F: arch/arm/mach-at91/
F: drivers/memory/atmel*
ARM/QUALCOMM SUPPORT
-M: Konrad Dybcio <konrad.dybcio@linaro.org>
+M: Konrad Dybcio <konradybcio@kernel.org>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git
W: http://linux-atm.sourceforge.net
F: drivers/atm/
F: include/linux/atm*
+F: include/linux/sonet.h
F: include/uapi/linux/atm*
+F: include/uapi/linux/sonet.h
ATMEL MACB ETHERNET DRIVER
F: fs/befs/
BFQ I/O SCHEDULER
-S: Maintained
+S: Odd Fixes
F: Documentation/block/bfq-iosched.rst
F: block/bfq-*
F: lib/sbitmap.c
BLOCK LAYER DEVICE DRIVER API [RUST]
-M: Andreas Hindborg <a.hindborg@samsung.com>
+M: Andreas Hindborg <a.hindborg@kernel.org>
CIRRUS LOGIC AUDIO CODEC DRIVERS
S: Maintained
F: Documentation/devicetree/bindings/sound/cirrus,cs*
CIRRUS LOGIC MADERA CODEC DRIVERS
S: Supported
W: https://github.com/CirrusLogic/linux-drivers/wiki
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
F: Documentation/admin-guide/cgroup-v1/cpusets.rst
F: include/linux/cpuset.h
+F: kernel/cgroup/cpuset-internal.h
+F: kernel/cgroup/cpuset-v1.c
F: kernel/cgroup/cpuset.c
F: tools/testing/selftests/cgroup/test_cpuset.c
F: tools/testing/selftests/cgroup/test_cpuset_prs.sh
+F: tools/testing/selftests/cgroup/test_cpuset_v1_base.sh
CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)
S: Maintained
F: tools/power/cpupower/
CW1200 WLAN driver
S: Orphan
F: drivers/net/wireless/st/cw1200/
+F: include/linux/platform_data/net-cw1200.h
CX18 VIDEO4LINUX DRIVER
F: Documentation/devicetree/bindings/regulator/dlg,da9*.yaml
F: Documentation/devicetree/bindings/regulator/dlg,slg51000.yaml
F: Documentation/devicetree/bindings/sound/da[79]*.txt
+F: Documentation/devicetree/bindings/sound/dlg,da7213.yaml
F: Documentation/devicetree/bindings/thermal/dlg,da9062-thermal.yaml
F: Documentation/devicetree/bindings/watchdog/dlg,da9062-watchdog.yaml
F: Documentation/hwmon/da90??.rst
S: Maintained
+F: Documentation/dev-tools/
F: Documentation/maintainer/
F: Documentation/process/
S: Maintained
+F: Documentation/admin-guide/bug-bisect.rst
F: Documentation/admin-guide/quickly-build-trimmed-linux.rst
F: Documentation/admin-guide/reporting-issues.rst
F: Documentation/admin-guide/verify-bugs-and-bisect-regressions.rst
DRM DRIVER for Qualcomm Adreno GPUs
-R: Konrad Dybcio <konrad.dybcio@linaro.org>
+R: Konrad Dybcio <konradybcio@kernel.org>
T: git https://gitlab.freedesktop.org/drm/misc/kernel.git
F: Documentation/devicetree/bindings/display/bridge/
F: drivers/gpu/drm/bridge/
+F: drivers/gpu/drm/display/drm_bridge_connector.c
F: drivers/gpu/drm/drm_bridge.c
-F: drivers/gpu/drm/drm_bridge_connector.c
F: include/drm/drm_bridge.h
F: include/drm/drm_bridge_connector.h
F: include/linux/of_net.h
F: include/linux/phy.h
F: include/linux/phy_fixed.h
+F: include/linux/phy_link_topology.h
F: include/linux/phylib_stubs.h
F: include/linux/platform_data/mdio-bcm-unimac.h
F: include/linux/platform_data/mdio-gpio.h
S: Maintained
F: rust/kernel/net/phy.rs
+F: rust/kernel/net/phy/reg.rs
EXEC & BINFMT API, ELF
S: Maintained
+T: git https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
F: fs/*
F: include/linux/fs.h
F: include/linux/fs_types.h
F: lib/fortify_kunit.c
F: lib/memcpy_kunit.c
F: lib/test_fortify/*
-F: scripts/test_fortify.sh
K: \b__NO_FORTIFY\b
FPGA DFL DRIVERS
FREESCALE DSPI DRIVER
S: Maintained
F: Documentation/devicetree/bindings/spi/fsl,dspi*.yaml
F: drivers/spi/spi-fsl-dspi.c
F: Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
F: drivers/i2c/busses/i2c-imx-lpi2c.c
+FREESCALE IMX LPSPI DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
+F: drivers/spi/spi-fsl-lpspi.c
+
FREESCALE MPC I2C DRIVER
FREESCALE QUAD SPI DRIVER
S: Maintained
F: Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
F: drivers/spi/spi-fsl-qspi.c
S: Maintained
F: Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-scc-qmc.yaml
+F: Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-ucc-qmc.yaml
F: drivers/soc/fsl/qe/qmc.c
F: include/soc/fsl/qe/qmc.h
S: Maintained
F: Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml
+F: Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qe-tsa.yaml
F: drivers/soc/fsl/qe/tsa.c
F: drivers/soc/fsl/qe/tsa.h
F: include/dt-bindings/soc/cpm1-fsl,tsa.h
+F: include/dt-bindings/soc/qe-fsl,tsa.h
FREESCALE QUICC ENGINE UCC ETHERNET DRIVER
F: drivers/infiniband/hw/hns/
HISILICON SAS Controller
-M: Xiang Chen <chenxiang66@hisilicon.com>
+M: Yihang Li <liyihang9@huawei.com>
S: Supported
W: http://www.hisilicon.com
F: Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
F: security/integrity/
F: security/integrity/ima/
+INTEGRITY POLICY ENFORCEMENT (IPE)
+S: Supported
+T: git https://github.com/microsoft/ipe.git
+F: Documentation/admin-guide/LSM/ipe.rst
+F: Documentation/security/ipe.rst
+F: scripts/ipe/
+F: security/ipe/
+
INTEL 810/815 FRAMEBUFFER DRIVER
INTEL ASoC DRIVERS
S: Supported
F: sound/soc/intel/
JME NETWORK DRIVER
-S: Maintained
+S: Odd Fixes
F: drivers/net/ethernet/jme.*
JOURNALLING FLASH FILE SYSTEM V2 (JFFS2)
-R: Olga Kornievskaia <kolga@netapp.com>
+R: Olga Kornievskaia <okorniev@redhat.com>
S: Maintained
T: git git://git.kernel.org/pub/scm/virt/kvm/kvm.git
+F: Documentation/virt/kvm/loongarch/
F: arch/loongarch/include/asm/kvm*
F: arch/loongarch/include/uapi/asm/kvm*
F: arch/loongarch/kvm/
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev
F: Documentation/atomic_bitops.txt
F: drivers/i2c/muxes/i2c-mux-ltc4306.c
LTP (Linux Test Project)
S: Maintained
-W: http://linux-test-project.github.io/
+W: https://linux-test-project.readthedocs.io/
T: git https://github.com/linux-test-project/ltp.git
LTR390 AMBIENT/UV LIGHT SENSOR DRIVER
-S: Maintained
+S: Odd fixes
F: drivers/net/ethernet/marvell/sk*
MARVELL LIBERTAS WIRELESS DRIVER
S: Maintained
F: drivers/net/ethernet/marvell/mv643xx_eth.*
-F: include/linux/mv643xx.h
MARVELL MV88X3310 PHY DRIVER
S: Supported
-W: http://www.mellanox.com
+W: https://www.nvidia.com/networking/
Q: https://patchwork.kernel.org/project/netdevbpf/list/
F: drivers/net/ethernet/mellanox/mlx4/en_*
S: Supported
-W: http://www.mellanox.com
+W: https://www.nvidia.com/networking/
Q: https://patchwork.kernel.org/project/netdevbpf/list/
F: drivers/net/ethernet/mellanox/mlx5/core/en_*
S: Supported
-W: http://www.mellanox.com
+W: https://www.nvidia.com/networking/
Q: https://patchwork.kernel.org/project/netdevbpf/list/
F: drivers/net/ethernet/mellanox/mlx5/core/en_accel/*
F: drivers/net/ethernet/mellanox/mlx5/core/fpga/*
S: Supported
-W: http://www.mellanox.com
+W: https://www.nvidia.com/networking/
Q: https://patchwork.kernel.org/project/netdevbpf/list/
F: drivers/net/ethernet/mellanox/mlxsw/
F: tools/testing/selftests/drivers/net/mlxsw/
S: Supported
-W: http://www.mellanox.com
+W: https://www.nvidia.com/networking/
Q: https://patchwork.kernel.org/project/netdevbpf/list/
F: drivers/net/ethernet/mellanox/mlxfw/
S: Supported
-W: http://www.mellanox.com
+W: https://www.nvidia.com/networking/
Q: https://patchwork.kernel.org/project/netdevbpf/list/
F: drivers/net/ethernet/mellanox/mlx4/
F: include/linux/mlx4/
S: Supported
-W: http://www.mellanox.com
+W: https://www.nvidia.com/networking/
Q: http://patchwork.kernel.org/project/linux-rdma/list/
F: drivers/infiniband/hw/mlx4/
F: include/linux/mlx4/
S: Supported
-W: http://www.mellanox.com
+W: https://www.nvidia.com/networking/
Q: https://patchwork.kernel.org/project/netdevbpf/list/
F: Documentation/networking/device_drivers/ethernet/mellanox/
F: drivers/net/ethernet/mellanox/mlx5/core/
S: Supported
-W: http://www.mellanox.com
+W: https://www.nvidia.com/networking/
Q: http://patchwork.kernel.org/project/linux-rdma/list/
F: drivers/infiniband/hw/mlx5/
F: include/linux/mlx5/
S: Supported
+F: Documentation/networking/device_drivers/ethernet/meta/
F: drivers/net/ethernet/meta/
METHODE UDPU SUPPORT
S: Maintained
F: drivers/net/ethernet/microchip/lan743x_*
+MICROCHIP LAN8650/1 10BASE-T1S MACPHY ETHERNET DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/net/microchip,lan8650.yaml
+F: drivers/net/ethernet/microchip/lan865x/lan865x.c
+
MICROCHIP LAN87xx/LAN937x T1 PHY DRIVER
F: Documentation/hwmon/surface_fan.rst
F: drivers/hwmon/surface_fan.c
+ MICROSOFT SURFACE SENSOR THERMAL DRIVER
+ S: Maintained
+ F: drivers/hwmon/surface_temp.c
+
MICROSOFT SURFACE GPE LID SUPPORT DRIVER
S: Maintained
F: Documentation/networking/netconsole.rst
F: drivers/net/netconsole.c
+F: tools/testing/selftests/drivers/net/netcons_basic.sh
NETDEVSIM
F: include/dt-bindings/net/
F: include/linux/cn_proc.h
F: include/linux/etherdevice.h
+F: include/linux/ethtool_netlink.h
F: include/linux/fcdevice.h
F: include/linux/fddidevice.h
F: include/linux/hippidevice.h
F: include/linux/if_*
F: include/linux/inetdevice.h
-F: include/linux/netdevice.h
+F: include/linux/netdev*
+F: include/linux/platform_data/wiznet.h
F: include/uapi/linux/cn_proc.h
+F: include/uapi/linux/ethtool_netlink.h
F: include/uapi/linux/if_*
-F: include/uapi/linux/netdevice.h
+F: include/uapi/linux/netdev*
+F: tools/testing/selftests/drivers/net/
+X: Documentation/devicetree/bindings/net/bluetooth/
+X: Documentation/devicetree/bindings/net/wireless/
X: drivers/net/wireless/
NETWORKING DRIVERS (WIRELESS)
F: include/linux/framer/framer.h
F: include/linux/in.h
F: include/linux/indirect_call_wrapper.h
+F: include/linux/inet.h
+F: include/linux/inet_diag.h
F: include/linux/net.h
-F: include/linux/netdevice.h
+F: include/linux/netdev*
+F: include/linux/netlink.h
+F: include/linux/netpoll.h
+F: include/linux/rtnetlink.h
+F: include/linux/seq_file_net.h
+F: include/linux/skbuff*
F: include/net/
+F: include/uapi/linux/genetlink.h
+F: include/uapi/linux/hsr_netlink.h
F: include/uapi/linux/in.h
+F: include/uapi/linux/inet_diag.h
+F: include/uapi/linux/nbd-netlink.h
F: include/uapi/linux/net.h
F: include/uapi/linux/net_namespace.h
-F: include/uapi/linux/netdevice.h
+F: include/uapi/linux/netconf.h
+F: include/uapi/linux/netdev*
+F: include/uapi/linux/netlink.h
+F: include/uapi/linux/netlink_diag.h
+F: include/uapi/linux/rtnetlink.h
F: lib/net_utils.c
F: lib/random32.c
F: net/
S: Maintained
F: Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml
F: drivers/spi/spi-nxp-fspi.c
S: Supported
F: drivers/infiniband/ulp/opa_vnic
+OPEN ALLIANCE 10BASE-T1S MACPHY SERIAL INTERFACE FRAMEWORK
+S: Maintained
+F: Documentation/networking/oa-tc6-framework.rst
+F: drivers/include/linux/oa_tc6.h
+F: drivers/net/ethernet/oa_tc6.c
+
OPEN FIRMWARE AND FLATTENED DEVICE TREE
OPENCOMPUTE PTP CLOCK DRIVER
-M: Vadim Fedorenko <vadfed@linux.dev>
+M: Vadim Fedorenko <vadim.fedorenko@linux.dev>
S: Maintained
F: drivers/ptp/ptp_ocp.c
S: Maintained
F: drivers/pci/controller/dwc/*layerscape*
S: Maintained
F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-common.yaml
F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml
PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS
S: Supported
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git
+F: Documentation/driver-api/pwrseq.rst
F: drivers/power/sequencing/
F: include/linux/pwrseq/
S: Maintained
F: Documentation/devicetree/bindings/net/pse-pd/
F: drivers/net/pse-pd/
+F: net/ethtool/pse-pd.c
PSTORE FILESYSTEM
QCOM AUDIO (ASoC) DRIVERS
S: Supported
QCOM IPA DRIVER
-S: Supported
+S: Maintained
F: drivers/net/ipa/
QEMU MACHINE EMULATOR AND VIRTUALIZER SUPPORT
QUALCOMM CORE POWER REDUCTION (CPR) AVS DRIVER
-M: Konrad Dybcio <konrad.dybcio@linaro.org>
+M: Konrad Dybcio <konradybcio@kernel.org>
S: Maintained
S: Maintained
F: Documentation/devicetree/bindings/interconnect/qcom,msm8998-bwmon.yaml
F: drivers/soc/qcom/icc-bwmon.c
+F: drivers/soc/qcom/trace_icc-bwmon.h
QUALCOMM IOMMU
W: https://oss.oracle.com/projects/rds/
F: Documentation/networking/rds.rst
F: net/rds/
+F: tools/testing/selftests/net/rds/
RDT - RESOURCE ALLOCATION
F: drivers/hid/hid-roccat*
F: include/linux/hid-roccat*
+ROCKCHIP CAN-FD DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
+F: drivers/net/can/rockchip/
+
ROCKCHIP CRYPTO DRIVERS
F: drivers/media/platform/rockchip/rkisp1
F: include/uapi/linux/rkisp1-config.h
+ROCKCHIP RK3568 RANDOM NUMBER GENERATOR SUPPORT
+S: Maintained
+F: Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml
+F: drivers/char/hw_random/rockchip-rng.c
+
ROCKCHIP RASTER 2D GRAPHIC ACCELERATION UNIT DRIVER
F: Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-de2-rotate.yaml
F: drivers/media/platform/sunxi/sun8i-rotate/
+RPMB SUBSYSTEM
+S: Supported
+F: drivers/misc/rpmb-core.c
+F: include/linux/rpmb.h
+
RPMSG TTY DRIVER
S: Maintained
F: drivers/tty/rpmsg_tty.c
+RTASE ETHERNET DRIVER
+S: Maintained
+F: drivers/net/ethernet/realtek/rtase/
+
RTL2830 MEDIA DRIVER
S: Orphan
RUST
-R: Andreas Hindborg <a.hindborg@samsung.com>
+R: Andreas Hindborg <a.hindborg@kernel.org>
S: Supported
F: Documentation/devicetree/bindings/sound/samsung*
F: sound/soc/samsung/
+SAMSUNG EXYNOS850 SoC SUPPORT
+S: Maintained
+F: Documentation/devicetree/bindings/clock/samsung,exynos850-clock.yaml
+F: arch/arm64/boot/dts/exynos/exynos850*
+F: drivers/clk/samsung/clk-exynos850.c
+F: include/dt-bindings/clock/exynos850.h
+
SAMSUNG EXYNOS PSEUDO RANDOM NUMBER GENERATOR (RNG) DRIVER
F: drivers/scsi/
F: drivers/ufs/
F: include/scsi/
+F: include/uapi/scsi/
SCSI TAPE DRIVER
S: Maintained
F: Documentation/networking/timestamping.rst
+F: include/linux/net_tstamp.h
F: include/uapi/linux/net_tstamp.h
F: tools/testing/selftests/net/so_txtime.c
F: tools/sound/dapm-graph
SOUND - SOUND OPEN FIRMWARE (SOF) DRIVERS
S: Supported
W: https://github.com/thesofproject/linux/
SOUNDWIRE SUBSYSTEM
-R: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
+R: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
S: Supported
S: Maintained
+F: Documentation/ABI/testing/sysfs-class-tee
F: Documentation/driver-api/tee.rst
F: Documentation/tee/
F: Documentation/userspace-api/tee.rst
F: Documentation/devicetree/bindings/sound/ti,tas2562.yaml
F: Documentation/devicetree/bindings/sound/ti,tas2770.yaml
F: Documentation/devicetree/bindings/sound/ti,tas27xx.yaml
+F: Documentation/devicetree/bindings/sound/ti,tpa6130a2.yaml
F: Documentation/devicetree/bindings/sound/ti,pcm1681.yaml
F: Documentation/devicetree/bindings/sound/ti,pcm3168a.yaml
F: Documentation/devicetree/bindings/sound/ti,tlv320*.yaml
F: Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml
-F: Documentation/devicetree/bindings/sound/tlv320aic31xx.txt
-F: Documentation/devicetree/bindings/sound/tpa6130a2.txt
F: include/sound/tas2*.h
F: include/sound/tlv320*.h
F: include/sound/tpa6130a2-plat.h
S: Supported
W: https://www.tq-group.com/en/products/tq-embedded/
-F: arch/arm/boot/dts/imx*mba*.dts*
-F: arch/arm/boot/dts/imx*tqma*.dts*
-F: arch/arm/boot/dts/mba*.dtsi
+F: arch/arm/boot/dts/nxp/imx/*mba*.dts*
+F: arch/arm/boot/dts/nxp/imx/*tqma*.dts*
F: arch/arm64/boot/dts/freescale/fsl-*tqml*.dts*
F: arch/arm64/boot/dts/freescale/imx*mba*.dts*
F: arch/arm64/boot/dts/freescale/imx*tqma*.dts*
F: include/linux/cdrom.h
F: include/uapi/linux/cdrom.h
+UNION-FIND
+S: Maintained
+F: Documentation/core-api/union_find.rst
+F: Documentation/translations/zh_CN/core-api/union_find.rst
+F: include/linux/union_find.h
+F: lib/union_find.c
+
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER
F: include/uapi/linux/uvcvideo.h
USB WEBCAM GADGET
-S: Maintained
+S: Orphan
F: drivers/usb/gadget/function/*uvc*
F: drivers/usb/gadget/legacy/webcam.c
F: include/uapi/linux/usb/g_uvc.h
F: Documentation/arch/x86/
F: Documentation/devicetree/bindings/x86/
F: arch/x86/
+F: tools/testing/selftests/x86
+
+X86 CPUID DATABASE
+S: Maintained
+W: https://x86-cpuid.org
+F: tools/arch/x86/kcpuid/cpuid.csv
X86 ENTRY CODE
#include <linux/of.h>
#include <linux/util_macros.h>
+ #include <dt-bindings/pwm/pwm.h>
+
/* Indexes for the sysfs hooks */
-
-#define INPUT 0
-#define MIN 1
-#define MAX 2
-#define CONTROL 3
-#define OFFSET 3
-#define AUTOMIN 4
-#define THERM 5
-#define HYSTERSIS 6
-
+enum adt_sysfs_id {
+ INPUT = 0,
+ MIN = 1,
+ MAX = 2,
+ CONTROL = 3,
+ OFFSET = 3, // Dup
+ AUTOMIN = 4,
+ THERM = 5,
+ HYSTERSIS = 6,
/*
* These are unique identifiers for the sysfs functions - unlike the
* numbers above, these are not also indexes into an array
*/
+ ALARM = 9,
+ FAULT = 10,
+};
-#define ALARM 9
-#define FAULT 10
/* 7475 Common Registers */
return 0;
}
+ struct adt7475_pwm_config {
+ int index;
+ int freq;
+ int flags;
+ int duty;
+ };
+
+ static int _adt7475_pwm_properties_parse_args(u32 args[4], struct adt7475_pwm_config *cfg)
+ {
+ int freq_hz;
+ int duty;
+
+ if (args[1] == 0)
+ return -EINVAL;
+
+ freq_hz = 1000000000UL / args[1];
+ if (args[3] >= args[1])
+ duty = 255;
+ else
+ duty = div_u64(255ULL * args[3], args[1]);
+
+ cfg->index = args[0];
+ cfg->freq = find_closest(freq_hz, pwmfreq_table, ARRAY_SIZE(pwmfreq_table));
+ cfg->flags = args[2];
+ cfg->duty = duty;
+
+ return 0;
+ }
+
+ static int adt7475_pwm_properties_parse_reference_args(struct fwnode_handle *fwnode,
+ struct adt7475_pwm_config *cfg)
+ {
+ int ret, i;
+ struct fwnode_reference_args rargs = {};
+ u32 args[4] = {};
+
+ ret = fwnode_property_get_reference_args(fwnode, "pwms", "#pwm-cells", 0, 0, &rargs);
+ if (ret)
+ return ret;
+
+ if (rargs.nargs != 4) {
+ fwnode_handle_put(rargs.fwnode);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < 4; i++)
+ args[i] = rargs.args[i];
+
+ ret = _adt7475_pwm_properties_parse_args(args, cfg);
+
+ fwnode_handle_put(rargs.fwnode);
+
+ return ret;
+ }
+
+ static int adt7475_pwm_properties_parse_args(struct fwnode_handle *fwnode,
+ struct adt7475_pwm_config *cfg)
+ {
+ int ret;
+ u32 args[4] = {};
+
+ ret = fwnode_property_read_u32_array(fwnode, "pwms", args, ARRAY_SIZE(args));
+ if (ret)
+ return ret;
+
+ return _adt7475_pwm_properties_parse_args(args, cfg);
+ }
+
+ static int adt7475_fan_pwm_config(struct i2c_client *client)
+ {
+ struct adt7475_data *data = i2c_get_clientdata(client);
+ struct fwnode_handle *child;
+ struct adt7475_pwm_config cfg = {};
+ int ret;
+
+ device_for_each_child_node(&client->dev, child) {
+ if (!fwnode_property_present(child, "pwms"))
+ continue;
+
+ if (is_of_node(child))
+ ret = adt7475_pwm_properties_parse_reference_args(child, &cfg);
+ else
+ ret = adt7475_pwm_properties_parse_args(child, &cfg);
+
+ if (cfg.index >= ADT7475_PWM_COUNT)
+ return -EINVAL;
+
+ ret = adt7475_read(PWM_CONFIG_REG(cfg.index));
+ if (ret < 0)
+ return ret;
+ data->pwm[CONTROL][cfg.index] = ret;
+ if (cfg.flags & PWM_POLARITY_INVERTED)
+ data->pwm[CONTROL][cfg.index] |= BIT(4);
+ else
+ data->pwm[CONTROL][cfg.index] &= ~BIT(4);
+
+ /* Force to manual mode so PWM values take effect */
+ data->pwm[CONTROL][cfg.index] &= ~0xE0;
+ data->pwm[CONTROL][cfg.index] |= 0x07 << 5;
+
+ ret = i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(cfg.index),
+ data->pwm[CONTROL][cfg.index]);
+ if (ret)
+ return ret;
+
+ data->pwm[INPUT][cfg.index] = cfg.duty;
+ ret = i2c_smbus_write_byte_data(client, PWM_REG(cfg.index),
+ data->pwm[INPUT][cfg.index]);
+ if (ret)
+ return ret;
+
+ data->range[cfg.index] = adt7475_read(TEMP_TRANGE_REG(cfg.index));
+ data->range[cfg.index] &= ~0xf;
+ data->range[cfg.index] |= cfg.freq;
+
+ ret = i2c_smbus_write_byte_data(client, TEMP_TRANGE_REG(cfg.index),
+ data->range[cfg.index]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+ }
+
static int adt7475_probe(struct i2c_client *client)
{
enum chips chip;
if (ret && ret != -EINVAL)
dev_warn(&client->dev, "Error configuring pwm polarity\n");
+ ret = adt7475_fan_pwm_config(client);
+ if (ret)
+ dev_warn(&client->dev, "Error %d configuring fan/pwm\n", ret);
+
/* Start monitoring */
switch (chip) {
case adt7475:
*/
#include <linux/debugfs.h>
+ #include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/math64.h>
#include <linux/module.h>
u32 flags; /* from platform data */
+ u8 revision; /* The PMBus revision the device is compliant with */
+
int exponent[PMBUS_PAGES];
/* linear mode: exponent for output voltages */
int vout_low[PMBUS_PAGES]; /* voltage low margin */
int vout_high[PMBUS_PAGES]; /* voltage high margin */
+ ktime_t write_time; /* Last SMBUS write timestamp */
+ ktime_t access_time; /* Last SMBUS access timestamp */
};
struct pmbus_debugfs_entry {
}
EXPORT_SYMBOL_NS_GPL(pmbus_set_update, PMBUS);
+ /* Some chips need a delay between accesses. */
+ static void pmbus_wait(struct i2c_client *client)
+ {
+ struct pmbus_data *data = i2c_get_clientdata(client);
+ const struct pmbus_driver_info *info = data->info;
+ s64 delta;
+
+ if (info->access_delay) {
+ delta = ktime_us_delta(ktime_get(), data->access_time);
+
+ if (delta < info->access_delay)
+ fsleep(info->access_delay - delta);
+ } else if (info->write_delay) {
+ delta = ktime_us_delta(ktime_get(), data->write_time);
+
+ if (delta < info->write_delay)
+ fsleep(info->write_delay - delta);
+ }
+ }
+
+ /* Sets the last accessed timestamp for pmbus_wait */
+ static void pmbus_update_ts(struct i2c_client *client, bool write_op)
+ {
+ struct pmbus_data *data = i2c_get_clientdata(client);
+ const struct pmbus_driver_info *info = data->info;
+
+ if (info->access_delay) {
+ data->access_time = ktime_get();
+ } else if (info->write_delay && write_op) {
+ data->write_time = ktime_get();
+ }
+ }
+
int pmbus_set_page(struct i2c_client *client, int page, int phase)
{
struct pmbus_data *data = i2c_get_clientdata(client);
if (!(data->info->func[page] & PMBUS_PAGE_VIRTUAL) &&
data->info->pages > 1 && page != data->currpage) {
+ pmbus_wait(client);
rv = i2c_smbus_write_byte_data(client, PMBUS_PAGE, page);
+ pmbus_update_ts(client, true);
if (rv < 0)
return rv;
+ pmbus_wait(client);
rv = i2c_smbus_read_byte_data(client, PMBUS_PAGE);
+ pmbus_update_ts(client, false);
if (rv < 0)
return rv;
if (data->info->phases[page] && data->currphase != phase &&
!(data->info->func[page] & PMBUS_PHASE_VIRTUAL)) {
+ pmbus_wait(client);
rv = i2c_smbus_write_byte_data(client, PMBUS_PHASE,
phase);
+ pmbus_update_ts(client, true);
if (rv)
return rv;
}
if (rv < 0)
return rv;
- return i2c_smbus_write_byte(client, value);
+ pmbus_wait(client);
+ rv = i2c_smbus_write_byte(client, value);
+ pmbus_update_ts(client, true);
+
+ return rv;
}
EXPORT_SYMBOL_NS_GPL(pmbus_write_byte, PMBUS);
if (rv < 0)
return rv;
- return i2c_smbus_write_word_data(client, reg, word);
+ pmbus_wait(client);
+ rv = i2c_smbus_write_word_data(client, reg, word);
+ pmbus_update_ts(client, true);
+
+ return rv;
}
EXPORT_SYMBOL_NS_GPL(pmbus_write_word_data, PMBUS);
if (rv < 0)
return rv;
- return i2c_smbus_read_word_data(client, reg);
+ pmbus_wait(client);
+ rv = i2c_smbus_read_word_data(client, reg);
+ pmbus_update_ts(client, false);
+
+ return rv;
}
EXPORT_SYMBOL_NS_GPL(pmbus_read_word_data, PMBUS);
if (rv < 0)
return rv;
- return i2c_smbus_read_byte_data(client, reg);
+ pmbus_wait(client);
+ rv = i2c_smbus_read_byte_data(client, reg);
+ pmbus_update_ts(client, false);
+
+ return rv;
}
EXPORT_SYMBOL_NS_GPL(pmbus_read_byte_data, PMBUS);
if (rv < 0)
return rv;
- return i2c_smbus_write_byte_data(client, reg, value);
+ pmbus_wait(client);
+ rv = i2c_smbus_write_byte_data(client, reg, value);
+ pmbus_update_ts(client, true);
+
+ return rv;
}
EXPORT_SYMBOL_NS_GPL(pmbus_write_byte_data, PMBUS);
if (rv < 0)
return rv;
- return i2c_smbus_read_block_data(client, reg, data_buf);
+ pmbus_wait(client);
+ rv = i2c_smbus_read_block_data(client, reg, data_buf);
+ pmbus_update_ts(client, false);
+
+ return rv;
}
static struct pmbus_sensor *pmbus_find_sensor(struct pmbus_data *data, int page,
regval = status & mask;
if (regval) {
- ret = _pmbus_write_byte_data(client, page, reg, regval);
- if (ret)
- goto unlock;
+ if (data->revision >= PMBUS_REV_12) {
+ ret = _pmbus_write_byte_data(client, page, reg, regval);
+ if (ret)
+ goto unlock;
+ } else {
+ pmbus_clear_fault_page(client, page);
+ }
+
}
if (s1 && s2) {
s64 v1, v2;
data.block[1] = attr->reg;
data.block[2] = 0x01;
+ pmbus_wait(client);
rv = i2c_smbus_xfer(client->adapter, client->addr, client->flags,
I2C_SMBUS_WRITE, PMBUS_COEFFICIENTS,
I2C_SMBUS_BLOCK_PROC_CALL, &data);
+ pmbus_update_ts(client, true);
if (rv < 0)
return rv;
/* Enable PEC if the controller and bus supports it */
if (!(data->flags & PMBUS_NO_CAPABILITY)) {
+ pmbus_wait(client);
ret = i2c_smbus_read_byte_data(client, PMBUS_CAPABILITY);
+ pmbus_update_ts(client, false);
+
if (ret >= 0 && (ret & PB_CAPABILITY_ERROR_CHECK)) {
if (i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_PEC))
client->flags |= I2C_CLIENT_PEC;
* Bail out if both registers are not supported.
*/
data->read_status = pmbus_read_status_word;
+ pmbus_wait(client);
ret = i2c_smbus_read_word_data(client, PMBUS_STATUS_WORD);
+ pmbus_update_ts(client, false);
+
if (ret < 0 || ret == 0xffff) {
data->read_status = pmbus_read_status_byte;
+ pmbus_wait(client);
ret = i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE);
+ pmbus_update_ts(client, false);
+
if (ret < 0 || ret == 0xff) {
dev_err(dev, "PMBus status register not found\n");
return -ENODEV;
* limit registers need to be disabled.
*/
if (!(data->flags & PMBUS_NO_WRITE_PROTECT)) {
+ pmbus_wait(client);
ret = i2c_smbus_read_byte_data(client, PMBUS_WRITE_PROTECT);
+ pmbus_update_ts(client, false);
+
if (ret > 0 && (ret & PB_WP_ANY))
data->flags |= PMBUS_WRITE_PROTECTED | PMBUS_SKIP_STATUS_CHECK;
}
+ ret = i2c_smbus_read_byte_data(client, PMBUS_REVISION);
+ if (ret >= 0)
+ data->revision = ret;
+
if (data->info->pages)
pmbus_clear_faults(client);
else
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