F: drivers/iommu/apple-dart.c
F: drivers/iommu/io-pgtable-dart.c
F: drivers/irqchip/irq-apple-aic.c
-F: drivers/mailbox/apple-mailbox.c
F: drivers/nvme/host/apple.c
F: drivers/nvmem/apple-efuses.c
F: drivers/pinctrl/pinctrl-apple-gpio.c
F: drivers/watchdog/apple_wdt.c
F: include/dt-bindings/interrupt-controller/apple-aic.h
F: include/dt-bindings/pinctrl/apple.h
-F: include/linux/apple-mailbox.h
F: include/linux/soc/apple/*
ARM/ARTPEC MACHINE SUPPORT
S: Odd Fixes
N: clps711x
-ARM/CIRRUS LOGIC EDB9315A MACHINE SUPPORT
-S: Maintained
-
ARM/CIRRUS LOGIC EP93XX ARM ARCHITECTURE
F: arch/arm/mach-mv78xx0/
F: arch/arm/mach-orion5x/
F: arch/arm/plat-orion/
+F: drivers/bus/mvebu-mbus.c
F: drivers/soc/dove/
ARM/Marvell Kirkwood and Armada 370, 375, 38x, 39x, XP, 3700, 7K/8K, CN9130 SOC support
F: arch/arm/boot/dts/marvell/kirkwood*
F: arch/arm/configs/mvebu_*_defconfig
F: arch/arm/mach-mvebu/
-F: arch/arm64/boot/dts/marvell/armada*
-F: arch/arm64/boot/dts/marvell/cn913*
+F: arch/arm64/boot/dts/marvell/
F: drivers/clk/mvebu/
F: drivers/cpufreq/armada-37xx-cpufreq.c
F: drivers/cpufreq/armada-8k-cpufreq.c
F: drivers/watchdog/sama5d4_wdt.c
F: include/soc/at91/
X: drivers/input/touchscreen/atmel_mxt_ts.c
-X: drivers/net/wireless/atmel/
N: at91
N: atmel
F: arch/arm64/boot/dts/qcom/sdm845-cheza*
ARM/QUALCOMM SUPPORT
F: Documentation/devicetree/bindings/reset/sunplus,reset.yaml
F: arch/arm/boot/dts/sunplus/
F: arch/arm/configs/sp7021_*defconfig
-F: arch/arm/mach-sunplus/
F: drivers/clk/clk-sp7021.c
F: drivers/irqchip/irq-sp7021-intc.c
F: drivers/reset/reset-sunplus.c
F: arch/arm/mach-berlin/
F: arch/arm64/boot/dts/synaptics/
-ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
-S: Maintained
-
ARM/TEGRA HDMI CEC SUBSYSTEM SUPPORT
S: Maintained
F: arch/arm64/boot/dts/tesla/
-ARM/TETON BGA MACHINE SUPPORT
-S: Maintained
-
ARM/TEXAS INSTRUMENT AEMIF/EMIF DRIVERS
F: Documentation/devicetree/bindings/soc/socionext/socionext,uniphier*.yaml
F: arch/arm/boot/dts/socionext/uniphier*
F: arch/arm/include/asm/hardware/cache-uniphier.h
-F: arch/arm/mach-uniphier/
F: arch/arm/mm/cache-uniphier.c
F: arch/arm64/boot/dts/socionext/uniphier*
F: drivers/bus/uniphier-system-bus.c
F: Documentation/devicetree/bindings/i2c/xlnx,xps-iic-2.00.a.yaml
F: Documentation/devicetree/bindings/memory-controllers/snps,dw-umctl2-ddrc.yaml
F: Documentation/devicetree/bindings/memory-controllers/xlnx,zynq-ddrc-a05.yaml
+F: Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
F: Documentation/devicetree/bindings/spi/xlnx,zynq-qspi.yaml
F: arch/arm/mach-zynq/
F: drivers/clocksource/timer-cadence-ttc.c
F: Documentation/devicetree/bindings/net/asix,ax88796c.yaml
F: drivers/net/ethernet/asix/ax88796c_*
+ASIX PHY DRIVER [RUST]
+S: Maintained
+F: drivers/net/phy/ax88796b_rust.rs
+
ASPEED CRYPTO DRIVER
F: Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
F: drivers/input/touchscreen/atmel_mxt_ts.c
-ATMEL WIRELESS DRIVER
-S: Orphan
-W: http://www.thekelleys.org.uk/atmel
-W: http://atmelwlandriver.sourceforge.net/
-F: drivers/net/wireless/atmel/atmel*
-
ATOMIC INFRASTRUCTURE
S: Supported
W: https://github.com/linux-audit
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git
+Q: https://patchwork.kernel.org/project/audit/list
+P: https://github.com/linux-audit/audit-kernel/blob/main/README.md
+T: git https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git
F: include/asm-generic/audit_*.h
F: include/linux/audit.h
F: include/linux/audit_arch.h
F: include/uapi/linux/audit.h
F: kernel/audit*
F: lib/*audit.c
+K: \baudit_[a-z_0-9]\+\b
AUXILIARY BUS DRIVER
F: Documentation/devicetree/bindings/hwmon/adi,axi-fan-control.yaml
F: drivers/hwmon/axi-fan-control.c
+AXI SPI ENGINE
+S: Supported
+W: https://ez.analog.com/linux-software-drivers
+F: Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml
+F: drivers/spi/spi-axi-spi-engine.c
+
AXXIA I2C CONTROLLER
F: include/linux/backlight.h
F: include/linux/pwm_backlight.h
+ BAIKAL-T1 PVT HARDWARE MONITOR DRIVER
+ S: Supported
+ F: Documentation/devicetree/bindings/hwmon/baikal,bt1-pvt.yaml
+ F: Documentation/hwmon/bt1-pvt.rst
+ F: drivers/hwmon/bt1-pvt.[ch]
+
BARCO P50 GPIO DRIVER
BCACHE (BLOCK LAYER CACHE)
-M: Kent Overstreet <kent.overstreet@gmail.com>
+M: Kent Overstreet <kent.overstreet@linux.dev>
S: Maintained
W: http://bcache.evilpiepirate.org
S: Supported
F: drivers/net/wireless/broadcom/brcm80211/
F: drivers/usb/atm/cxacru.c
CONFIDENTIAL COMPUTING THREAT MODEL FOR X86 VIRTUALIZATION (SNP/TDX)
-S: Maintained
-F: Documentation/security/snp-tdx-threat-model.rst
+S: Maintained
+F: Documentation/security/snp-tdx-threat-model.rst
CONFIGFS
S: Maintained
F: mm/memcontrol.c
F: mm/swap_cgroup.c
+F: samples/cgroup/*
F: tools/testing/selftests/cgroup/memcg_protection.m
F: tools/testing/selftests/cgroup/test_hugetlb_memcg.c
F: tools/testing/selftests/cgroup/test_kmem.c
F: include/linux/crypto*
F: lib/crypto/
+CRYPTO SPEED TEST COMPARE
+S: Maintained
+F: tools/crypto/tcrypt/tcrypt_speed_compare.py
+
CRYPTOGRAPHIC RANDOM NUMBER GENERATOR
S: Maintained
-F: Documentation/driver-api/dcdbas.rst
+F: Documentation/userspace-api/dcdbas.rst
F: drivers/platform/x86/dell/dcdbas.*
DELL WMI DDV DRIVER
S: Maintained
-W: http://sources.redhat.com/dm
Q: http://patchwork.kernel.org/project/dm-devel/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git
-T: quilt http://people.redhat.com/agk/patches/linux/editing/
F: Documentation/admin-guide/device-mapper/
F: drivers/md/Kconfig
F: drivers/md/Makefile
F: drivers/gpu/drm/sun4i/sun8i*
DRM DRIVER FOR ARM PL111 CLCD
-S: Supported
+S: Orphan
T: git git://anongit.freedesktop.org/drm/drm-misc
F: drivers/gpu/drm/pl111/
F: drivers/gpu/drm/panel/panel-himax-hx8394.c
DRM DRIVER FOR HX8357D PANELS
-S: Maintained
+S: Orphan
T: git git://anongit.freedesktop.org/drm/drm-misc
F: Documentation/devicetree/bindings/display/himax,hx8357d.txt
F: drivers/gpu/drm/tiny/hx8357d.c
F: Documentation/devicetree/bindings/display/ilitek,ili9486.yaml
F: drivers/gpu/drm/tiny/ili9486.c
+DRM DRIVER FOR ILITEK ILI9805 PANELS
+S: Maintained
+F: Documentation/devicetree/bindings/display/panel/ilitek,ili9805.yaml
+F: drivers/gpu/drm/panel/panel-ilitek-ili9805.c
+
DRM DRIVER FOR JADARD JD9365DA-H3 MIPI-DSI LCD PANELS
S: Maintained
F: Documentation/devicetree/bindings/display/ste,mcde.yaml
F: drivers/gpu/drm/mcde/
+DRM DRIVER FOR SYNAPTICS R63353 PANELS
+S: Maintained
+F: Documentation/devicetree/bindings/display/panel/synaptics,r63353.yaml
+F: drivers/gpu/drm/panel/panel-synaptics-r63353.c
+
DRM DRIVER FOR TI DLPC3433 MIPI DSI TO DMD BRIDGE
S: Maintained
F: drivers/gpu/drm/vboxvideo/
DRM DRIVER FOR VMWARE VIRTUAL GPU
-M: Zack Rusin <zackr@vmware.com>
-R: VMware Graphics Reviewers <linux-graphics-maintainer@vmware.com>
+M: Zack Rusin <zack.rusin@broadcom.com>
+R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
S: Supported
T: git git://anongit.freedesktop.org/drm/drm-misc
DRM DRIVERS FOR ROCKCHIP
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
F: drivers/gpu/drm/omapdrm/
DRM DRIVERS FOR V3D
S: Supported
T: git git://anongit.freedesktop.org/drm/drm-misc
F: Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
F: include/uapi/drm/v3d_drm.h
DRM DRIVERS FOR VC4
S: Supported
T: git git://github.com/anholt/linux
F: include/uapi/linux/mii.h
F: net/core/of_net.c
+ETHERNET PHY LIBRARY [RUST]
+S: Maintained
+F: rust/kernel/net/phy.rs
+
EXEC & BINFMT API
Extended Verification Module (EVM)
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git
FILESYSTEMS (VFS and infrastructure)
S: Maintained
F: fs/*
F: fs/fhandle.c
F: include/linux/exportfs.h
+FILESYSTEMS [IDMAPPED MOUNTS]
+S: Maintained
+F: Documentation/filesystems/idmappings.rst
+F: fs/mnt_idmapping.c
+F: include/linux/mnt_idmapping.*
+F: tools/testing/selftests/mount_setattr/
+
FILESYSTEMS [IOMAP]
F: fs/iomap/
F: include/linux/iomap.h
+FILESYSTEMS [STACKABLE]
+S: Maintained
+F: fs/backing-file.c
+F: include/linux/backing-file.h
+
FINTEK F75375S HARDWARE MONITOR AND FAN CONTROLLER DRIVER
S: Maintained
F: drivers/input/joystick/fsia6b.c
-FOCUSRITE SCARLETT GEN 2/3 MIXER DRIVER
+FOCUSRITE SCARLETT2 MIXER DRIVER (Scarlett Gen 2+ and Clarett)
S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
+W: https://github.com/geoffreybennett/scarlett-gen2
+B: https://github.com/geoffreybennett/scarlett-gen2/issues
+T: git https://github.com/geoffreybennett/scarlett-gen2.git
+F: include/uapi/sound/scarlett2.h
F: sound/usb/mixer_scarlett2.c
FORCEDETH GIGABIT ETHERNET DRIVER
S: Maintained
F: sound/soc/fsl/fsl*
F: sound/soc/fsl/imx*
-F: sound/soc/fsl/mpc8610_hpcd.c
FREESCALE SOC SOUND QMC DRIVER
F: fs/gfs2/
F: include/uapi/linux/gfs2_ondisk.h
+ GIGABYTE WATERFORCE SENSOR DRIVER
+ S: Maintained
+ F: Documentation/hwmon/gigabyte_waterforce.rst
+ F: drivers/hwmon/gigabyte_waterforce.c
+
GIGABYTE WMI DRIVER
T: git git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux.git
F: drivers/firmware/google/
+GOOGLE TENSOR SoC SUPPORT
+S: Maintained
+F: Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
+F: arch/arm64/boot/dts/exynos/google/
+F: drivers/clk/samsung/clk-gs101.c
+F: include/dt-bindings/clock/google,gs101.h
+
GPD POCKET FAN DRIVER
F: tools/testing/selftests/gpio/
GPIO REGMAP
S: Maintained
F: drivers/gpio/gpio-regmap.c
F: include/linux/gpio/regmap.h
GPIO SUBSYSTEM
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git
-F: Documentation/ABI/obsolete/sysfs-gpio
-F: Documentation/ABI/testing/gpio-cdev
F: Documentation/admin-guide/gpio/
F: Documentation/devicetree/bindings/gpio/
F: Documentation/driver-api/gpio/
F: include/linux/gpio.h
F: include/linux/gpio/
F: include/linux/of_gpio.h
+
+GPIO UAPI
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git
+F: Documentation/ABI/obsolete/sysfs-gpio
+F: Documentation/ABI/testing/gpio-cdev
+F: drivers/gpio/gpiolib-cdev.c
F: include/uapi/linux/gpio.h
F: tools/gpio/
F: include/linux/hw_random.h
HARDWARE SPINLOCK CORE
F: drivers/gpio/gpio-hisi.c
HISILICON HIGH PERFORMANCE RSA ENGINE DRIVER (HPRE)
S: Maintained
HISILICON NETWORK SUBSYSTEM 3 DRIVER (HNS3)
S: Maintained
W: http://www.hisilicon.com
F: drivers/scsi/hisi_sas/
HISILICON SECURITY ENGINE V2 DRIVER (SEC2)
S: Maintained
F: Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
F: drivers/iio/pressure/mprls0025pa.c
-HOST AP DRIVER
-S: Obsolete
-F: drivers/net/wireless/intersil/hostap/
-
HP BIOSCFG DRIVER
F: drivers/net/ethernet/huawei/hinic/
HUGETLB SUBSYSTEM
S: Maintained
F: drivers/media/platform/st/sti/hva
HWPOISON MEMORY FAILURE HANDLING
-M: Naoya Horiguchi <naoya.horiguchi@nec.com>
-R: Miaohe Lin <linmiaohe@huawei.com>
+M: Miaohe Lin <linmiaohe@huawei.com>
+R: Naoya Horiguchi <naoya.horiguchi@nec.com>
S: Maintained
F: mm/hwpoison-inject.c
W: https://github.com/o2genum/ideapad-slidebar
F: drivers/input/misc/ideapad_slidebar.c
-IDMAPPED MOUNTS
-S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping.git
-F: Documentation/filesystems/idmappings.rst
-F: include/linux/mnt_idmapping.*
-F: tools/testing/selftests/mount_setattr/
-
IDT VersaClock 5 CLOCK DRIVER
S: Maintained
S: Orphan
F: drivers/media/rc/img-ir/
+IMGTEC POWERVR DRM DRIVER
+S: Supported
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: Documentation/devicetree/bindings/gpu/img,powervr.yaml
+F: Documentation/gpu/imagination/
+F: drivers/gpu/drm/imagination/
+F: include/uapi/drm/pvr_drm.h
+
IMON SOUNDGRAPH USB IR RECEIVER
INTEGRITY MEASUREMENT ARCHITECTURE (IMA)
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git
S: Supported
F: arch/x86/include/asm/intel-family.h
-INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets)
+INTEL DRM DISPLAY FOR XE AND I915 DRIVERS
+S: Supported
+F: drivers/gpu/drm/i915/display/
+F: drivers/gpu/drm/xe/display/
+F: drivers/gpu/drm/xe/compat-i915-headers
+
+INTEL DRM I915 DRIVER (Meteor Lake, DG2 and older excluding Poulsbo, Moorestown and derivative)
S: Supported
-W: https://01.org/linuxgraphics/
+W: https://drm.pages.freedesktop.org/intel-docs/
Q: http://patchwork.freedesktop.org/project/intel-gfx/
-B: https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs
+B: https://drm.pages.freedesktop.org/intel-docs/how-to-file-i915-bugs.html
C: irc://irc.oftc.net/intel-gfx
T: git git://anongit.freedesktop.org/drm-intel
F: Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon
F: include/drm/i915*
F: include/uapi/drm/i915_drm.h
+INTEL DRM XE DRIVER (Lunar Lake and newer)
+S: Supported
+W: https://drm.pages.freedesktop.org/intel-docs/
+Q: http://patchwork.freedesktop.org/project/intel-xe/
+B: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues
+C: irc://irc.oftc.net/xe
+T: git https://gitlab.freedesktop.org/drm/xe/kernel.git
+F: Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
+F: Documentation/gpu/xe/
+F: drivers/gpu/drm/xe/
+F: include/drm/xe*
+F: include/uapi/drm/xe_drm.h
+
INTEL ETHERNET DRIVERS
F: drivers/gpio/gpio-sch.c
F: drivers/gpio/gpio-sodaville.c
F: drivers/gpio/gpio-tangier.c
+F: drivers/gpio/gpio-tangier.h
INTEL GVT-g DRIVERS (Intel GPU Virtualization)
Q: https://patchwork.kernel.org/project/linux-dmaengine/list/
F: drivers/dma/ioat*
+INTEL IAA CRYPTO DRIVER
+S: Supported
+F: Documentation/driver-api/crypto/iaa/iaa-crypto.rst
+F: drivers/crypto/intel/iaa/*
+
INTEL IDLE DRIVER
INTEL WIRELESS WIFI LINK (iwlwifi)
S: Supported
W: https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi
S: Maintained
T: git git://git.kernel.dk/linux-block
T: git git://git.kernel.dk/liburing
+F: include/linux/io_uring/
F: include/linux/io_uring.h
F: include/linux/io_uring_types.h
F: include/trace/events/io_uring.h
ISAPNP
S: Maintained
-F: Documentation/driver-api/isapnp.rst
+F: Documentation/userspace-api/isapnp.rst
F: drivers/pnp/isapnp/
F: include/linux/isapnp.h
F: scripts/Kbuild*
F: scripts/Makefile*
F: scripts/basic/
+F: scripts/clang-tools/
F: scripts/dummy-tools/
F: scripts/mk*
F: scripts/mod/
F: arch/mips/lantiq
F: drivers/soc/lantiq
+LANTIQ PEF2256 DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/net/lantiq,pef2256.yaml
+F: drivers/net/wan/framer/pef2256/
+F: drivers/pinctrl/pinctrl-pef2256.c
+F: include/linux/framer/pef2256.h
+
LASI 53c700 driver for PARISC
LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)
S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux.git
F: Documentation/ABI/testing/sysfs-ata
F: Documentation/devicetree/bindings/ata/
F: drivers/ata/
S: Supported
W: https://github.com/linuxppc/wiki/wiki
F: arch/powerpc/platforms/40x/
F: arch/powerpc/platforms/44x/
-LINUX FOR POWERPC EMBEDDED PPC83XX AND PPC85XX
+LINUX FOR POWERPC EMBEDDED PPC85XX
S: Odd fixes
T: git git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux.git
F: Documentation/devicetree/bindings/cache/freescale-l2cache.txt
F: Documentation/devicetree/bindings/powerpc/fsl/
-F: arch/powerpc/platforms/83xx/
F: arch/powerpc/platforms/85xx/
-LINUX FOR POWERPC EMBEDDED PPC8XX
+LINUX FOR POWERPC EMBEDDED PPC8XX AND PPC83XX
S: Maintained
F: arch/powerpc/platforms/8xx/
+F: arch/powerpc/platforms/83xx/
LINUX KERNEL DUMP TEST MODULE (LKDTM)
F: Documentation/admin-guide/LSM/LoadPin.rst
F: security/loadpin/
+LOCKDOWN SECURITY MODULE
+S: Odd Fixes
+T: git https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm.git
+F: security/lockdown/
+
LOCKING PRIMITIVES
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core
F: Documentation/locking/
F: arch/*/include/asm/spinlock*.h
-F: include/linux/lockdep.h
+F: include/linux/lockdep*.h
F: include/linux/mutex*.h
F: include/linux/rwlock*.h
F: include/linux/rwsem*.h
F: Documentation/hwmon/ltc4261.rst
F: drivers/hwmon/ltc4261.c
+ LTC4286 HARDWARE MONITOR DRIVER
+ S: Maintained
+ F: Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
+ F: Documentation/hwmon/ltc4286.rst
+ F: drivers/hwmon/pmbus/Kconfig
+ F: drivers/hwmon/pmbus/Makefile
+ F: drivers/hwmon/pmbus/ltc4286.c
+
LTC4306 I2C MULTIPLEXER DRIVER
F: include/linux/mailbox/arm_mhuv2_message.h
MAN-PAGES: MANUAL PAGES FOR LINUX -- Sections 2, 3, 4, 5, and 7
S: Maintained
W: http://www.kernel.org/doc/man-pages
S: Maintained
-F: Documentation/devicetree/bindings/net/dsa/marvell.txt
+F: Documentation/devicetree/bindings/net/dsa/marvell,mv88e6060.yaml
+F: Documentation/devicetree/bindings/net/dsa/marvell,mv88e6xxx.yaml
F: Documentation/networking/devlink/mv88e6xxx.rst
F: drivers/net/dsa/mv88e6xxx/
F: include/linux/dsa/mv88e6xxx.h
F: drivers/net/ethernet/marvell/mvneta.*
MARVELL MVPP2 ETHERNET DRIVER
-M: Marcin Wojtas <mw@semihalf.com>
+M: Marcin Wojtas <marcin.s.wojtas@gmail.com>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
F: Documentation/devicetree/bindings/net/
+F: Documentation/networking/net_cachelines/net_device.rst
F: drivers/connector/
F: drivers/net/
F: include/dt-bindings/net/
F: Documentation/core-api/netlink.rst
F: Documentation/netlink/
F: Documentation/networking/
+F: Documentation/networking/net_cachelines/
F: Documentation/process/maintainer-netdev.rst
F: Documentation/userspace-api/netlink/
F: include/linux/in.h
NETWORKING [MPTCP]
S: Maintained
B: https://github.com/multipath-tcp/mptcp_net-next/issues
T: git https://github.com/multipath-tcp/mptcp_net-next.git export-net
T: git https://github.com/multipath-tcp/mptcp_net-next.git export
-F: Documentation/netlink/specs/mptcp.yaml
+F: Documentation/netlink/specs/mptcp_pm.yaml
F: Documentation/networking/mptcp-sysctl.rst
F: include/net/mptcp.h
F: include/trace/events/mptcp.h
S: Maintained
+F: Documentation/networking/net_cachelines/tcp_sock.rst
F: include/linux/tcp.h
F: include/net/tcp.h
F: include/trace/events/tcp.h
F: drivers/bluetooth/btnxpuart.c
NXP C45 TJA11XX PHY DRIVER
S: Maintained
-F: drivers/net/phy/nxp-c45-tja11xx.c
+F: drivers/net/phy/nxp-c45-tja11xx*
NXP FSPI DRIVER
F: drivers/gpio/gpio-omap.c
OMAP HARDWARE SPINLOCK SUPPORT
-S: Maintained
+S: Orphan
F: drivers/hwspinlock/omap_hwspinlock.c
OMAP HS MMC SUPPORT
F: Documentation/devicetree/bindings/arm/ti/omap.yaml
F: arch/arm/configs/omap2plus_defconfig
F: arch/arm/mach-omap2/
+F: drivers/bus/omap*.[ch]
F: drivers/bus/ti-sysc.c
F: drivers/gpio/gpio-tps65219.c
F: drivers/i2c/busses/i2c-omap.c
OPENCOMPUTE PTP CLOCK DRIVER
-M: Vadim Fedorenko <vadfed@fb.com>
+M: Vadim Fedorenko <vadfed@linux.dev>
S: Maintained
F: drivers/ptp/ptp_ocp.c
F: Documentation/filesystems/orangefs.rst
F: fs/orangefs/
-ORINOCO DRIVER
-S: Orphan
-W: https://wireless.wiki.kernel.org/en/users/Drivers/orinoco
-W: http://www.nongnu.org/orinoco/
-F: drivers/net/wireless/intersil/orinoco/
-
OV2659 OMNIVISION SENSOR DRIVER
F: drivers/pci/controller/dwc/pcie-armada8k.c
PCI DRIVER FOR CADENCE PCIE IP
-S: Maintained
+S: Orphan
F: Documentation/devicetree/bindings/pci/cdns,*
-F: drivers/pci/controller/cadence/
+F: drivers/pci/controller/cadence/*cadence*
PCI DRIVER FOR FREESCALE LAYERSCAPE
PROC SYSCTL
-M: Iurii Zaikin <yzaikin@google.com>
+M: Joel Granados <j.granados@samsung.com>
S: Maintained
F: include/linux/ras.h
F: include/ras/ras_event.h
-RAYLINK/WEBGEAR 802.11 WIRELESS LAN DRIVER
-S: Orphan
-F: drivers/net/wireless/legacy/ray*
-
RC-CORE / LIRC FRAMEWORK
F: arch/riscv/boot/dts/microchip/
F: drivers/char/hw_random/mpfs-rng.c
F: drivers/clk/microchip/clk-mpfs*.c
+F: drivers/firmware/microchip/mpfs-auto-update.c
F: drivers/i2c/busses/i2c-microchip-corei2c.c
F: drivers/mailbox/mailbox-mpfs.c
F: drivers/pci/controller/pcie-microchip-host.c
S: Supported
-W: http://kernsec.org/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm.git
+Q: https://patchwork.kernel.org/project/linux-security-module/list
+P: https://github.com/LinuxSecurityModule/kernel/blob/main/README.md
+T: git https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm.git
+F: include/uapi/linux/lsm.h
F: security/
+F: tools/testing/selftests/lsm/
X: security/selinux/
+K: \bsecurity_[a-z_0-9]\+\b
SELINUX SECURITY MODULE
S: Supported
-W: https://selinuxproject.org
W: https://github.com/SELinuxProject
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git
+Q: https://patchwork.kernel.org/project/selinux/list
+P: https://github.com/SELinuxProject/selinux-kernel/blob/main/README.md
+T: git https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git
F: Documentation/ABI/removed/sysfs-selinux-checkreqprot
F: Documentation/ABI/removed/sysfs-selinux-disable
F: Documentation/admin-guide/LSM/SELinux.rst
F: drivers/misc/sgi-xp/
SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
N: sifive
K: [^@]sifive
+SIFIVE CACHE DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/cache/sifive,ccache0.yaml
+F: drivers/cache/sifive_ccache.c
+
SIFIVE FU540 SYSTEM-ON-CHIP
F: Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml
F: drivers/dma/sf-pdma/
-SIFIVE SOC DRIVERS
-S: Maintained
-T: git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/
-F: Documentation/devicetree/bindings/cache/sifive,ccache0.yaml
-F: drivers/soc/sifive/
SILEAD TOUCHSCREEN DRIVER
F: drivers/video/fbdev/simplefb.c
F: include/linux/platform_data/simplefb.h
-SIMTEC EB110ATX (Chalice CATS)
-S: Supported
-W: http://www.simtec.co.uk/products/EB110ATX/
-
SIOX
F: drivers/usb/misc/sisusbvga/
SL28 CPLD MFD DRIVER
S: Maintained
F: Documentation/devicetree/bindings/gpio/kontron,sl28cpld-gpio.yaml
F: Documentation/devicetree/bindings/hwmon/kontron,sl28cpld-hwmon.yaml
F: drivers/watchdog/sl28cpld_wdt.c
SL28 VPD NVMEM LAYOUT DRIVER
S: Maintained
F: Documentation/devicetree/bindings/nvmem/layouts/kontron,sl28-vpd.yaml
F: drivers/nvmem/layouts/sl28vpd.c
SOFTWARE RAID (Multiple Disks) SUPPORT
S: Supported
Q: https://patchwork.kernel.org/project/linux-raid/list/
SPANISH DOCUMENTATION
S: Maintained
F: Documentation/translations/sp_SP/
SPI NOR SUBSYSTEM
S: Maintained
W: http://www.linux-mtd.infradead.org/
S: Maintained
F: drivers/mmc/host/dw_mmc*
+SYNOPSYS DESIGNWARE PCIE PMU DRIVER
+S: Supported
+F: Documentation/admin-guide/perf/dwc_pcie_pmu.rst
+F: drivers/perf/dwc_pcie_pmu.c
+
SYNOPSYS HSDK RESET CONTROLLER DRIVER
S: Supported
S: Maintained
-F: Documentation/staging/tee.rst
+F: Documentation/driver-api/tee.rst
+F: Documentation/tee/
+F: Documentation/userspace-api/tee.rst
F: drivers/tee/
F: include/linux/tee_drv.h
F: include/uapi/linux/tee.h
F: kernel/trace/trace_sched_wakeup.c
TRADITIONAL CHINESE DOCUMENTATION
S: Maintained
W: https://github.com/srcres258/linux-doc
T: git git://github.com/srcres258/linux-doc.git doc-zh-tw
F: include/linux/ulpi/
UNICODE SUBSYSTEM
-M: Gabriel Krisman Bertazi <krisman@collabora.com>
+M: Gabriel Krisman Bertazi <krisman@kernel.org>
S: Supported
F: fs/unicode/
F: drivers/ufs/host/ufs-exynos*
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER MEDIATEK HOOKS
S: Maintained
F: drivers/usb/gadget/legacy/webcam.c
F: include/uapi/linux/usb/g_uvc.h
-USB WIRELESS RNDIS DRIVER (rndis_wlan)
-S: Orphan
-F: drivers/net/wireless/legacy/rndis_wlan.c
-
USB XHCI DRIVER
F: drivers/usb/host/pci-quirks*
F: drivers/usb/host/xhci*
-USB ZD1201 DRIVER
-S: Orphan
-W: http://linux-lc100020.sourceforge.net
-F: drivers/net/wireless/zydas/zd1201.*
-
USER DATAGRAM PROTOCOL (UDP)
S: Maintained
F: include/linux/vmw_vmci*
VMWARE VMMOUSE SUBDRIVER
S: Supported
F: drivers/input/mouse/vmmouse.c
S: Maintained
F: drivers/input/misc/wistron_btns.c
-WL3501 WIRELESS PCMCIA CARD DRIVER
-S: Orphan
-F: drivers/net/wireless/legacy/wl3501*
-
WMI BINARY MOF DRIVER
F: drivers/platform/x86/
F: include/linux/platform_data/x86/
-X86 PLATFORM DRIVERS - ARCH
-S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
-F: arch/x86/platform
-
X86 PLATFORM UV HPE SUPERDOME FLEX
W: http://xfs.org/
C: irc://irc.oftc.net/xfs
T: git git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git
-P: Documentation/filesystems/xfs-maintainer-entry-profile.rst
+P: Documentation/filesystems/xfs/xfs-maintainer-entry-profile.rst
F: Documentation/ABI/testing/sysfs-fs-xfs
F: Documentation/admin-guide/xfs.rst
-F: Documentation/filesystems/xfs-*
+F: Documentation/filesystems/xfs/*
F: fs/xfs/
F: include/uapi/linux/dqblk_xfs.h
F: include/uapi/linux/fsmap.h
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/list.h>
-#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/types.h>
-#include <linux/uaccess.h>
#include <linux/uuid.h>
#include <linux/wmi.h>
#include <linux/fs.h>
-#include <uapi/linux/wmi.h>
MODULE_AUTHOR("Carlos Corbacho");
MODULE_DESCRIPTION("ACPI-WMI Mapping Driver");
struct wmi_device dev;
struct list_head list;
struct guid_block gblock;
- struct miscdevice char_dev;
- struct mutex char_mutex;
struct acpi_device *acpi_device;
wmi_notify_handler handler;
void *handler_data;
- u64 req_buf_size;
unsigned long flags;
};
#define ACPI_WMI_STRING BIT(2) /* GUID takes & returns a string */
#define ACPI_WMI_EVENT BIT(3) /* GUID is an event */
-static bool debug_event;
-module_param(debug_event, bool, 0444);
-MODULE_PARM_DESC(debug_event,
- "Log WMI Events [0/1]");
-
-static bool debug_dump_wdg;
-module_param(debug_dump_wdg, bool, 0444);
-MODULE_PARM_DESC(debug_dump_wdg,
- "Dump available WMI interfaces [0/1]");
-
static const struct acpi_device_id wmi_device_ids[] = {
{"PNP0C14", 0},
{"pnp0c14", 0},
static const char * const allow_duplicates[] = {
"05901221-D566-11D1-B2F0-00A0C9062910", /* wmi-bmof */
"8A42EA14-4F2A-FD45-6422-0087F7A7E608", /* dell-wmi-ddv */
+ "44FADEB1-B204-40F2-8581-394BBDC1B651", /* intel-wmi-sbl-fw-update */
+ "86CCFD48-205E-4A77-9C48-2021CBEDE341", /* intel-wmi-thunderbolt */
+ "F1DDEE52-063C-4784-A11E-8A06684B9B01", /* dell-smm-hwmon */
NULL
};
static int get_subobj_info(acpi_handle handle, const char *pathname,
struct acpi_device_info **info)
{
- struct acpi_device_info *dummy_info, **info_ptr;
acpi_handle subobj_handle;
acpi_status status;
- status = acpi_get_handle(handle, (char *)pathname, &subobj_handle);
+ status = acpi_get_handle(handle, pathname, &subobj_handle);
if (status == AE_NOT_FOUND)
return -ENOENT;
- else if (ACPI_FAILURE(status))
- return -EIO;
- info_ptr = info ? info : &dummy_info;
- status = acpi_get_object_info(subobj_handle, info_ptr);
if (ACPI_FAILURE(status))
return -EIO;
- if (!info)
- kfree(dummy_info);
+ status = acpi_get_object_info(subobj_handle, info);
+ if (ACPI_FAILURE(status))
+ return -EIO;
return 0;
}
* Exported WMI functions
*/
-/**
- * set_required_buffer_size - Sets the buffer size needed for performing IOCTL
- * @wdev: A wmi bus device from a driver
- * @length: Required buffer size
- *
- * Allocates memory needed for buffer, stores the buffer size in that memory.
- *
- * Return: 0 on success or a negative error code for failure.
- */
-int set_required_buffer_size(struct wmi_device *wdev, u64 length)
-{
- struct wmi_block *wblock;
-
- wblock = container_of(wdev, struct wmi_block, dev);
- wblock->req_buf_size = length;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(set_required_buffer_size);
-
/**
* wmi_instance_count - Get number of WMI object instances
* @guid_string: 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba
*
* Return: acpi_status signaling success or error.
*/
-acpi_status wmi_set_block(const char *guid_string, u8 instance,
- const struct acpi_buffer *in)
+acpi_status wmi_set_block(const char *guid_string, u8 instance, const struct acpi_buffer *in)
{
- struct wmi_block *wblock;
- struct guid_block *block;
struct wmi_device *wdev;
- acpi_handle handle;
- struct acpi_object_list input;
- union acpi_object params[2];
- char method[WMI_ACPI_METHOD_NAME_SIZE];
acpi_status status;
- if (!in)
- return AE_BAD_DATA;
-
wdev = wmi_find_device_by_guid(guid_string);
if (IS_ERR(wdev))
return AE_ERROR;
- wblock = container_of(wdev, struct wmi_block, dev);
- block = &wblock->gblock;
- handle = wblock->acpi_device->handle;
+ status = wmidev_block_set(wdev, instance, in);
+ wmi_device_put(wdev);
- if (block->instance_count <= instance) {
- status = AE_BAD_PARAMETER;
+ return status;
+}
+EXPORT_SYMBOL_GPL(wmi_set_block);
- goto err_wdev_put;
- }
+/**
+ * wmidev_block_set - Write to a WMI block
+ * @wdev: A wmi bus device from a driver
+ * @instance: Instance index
+ * @in: Buffer containing new values for the data block
+ *
+ * Write contents of the input buffer to an ACPI-WMI data block.
+ *
+ * Return: acpi_status signaling success or error.
+ */
+acpi_status wmidev_block_set(struct wmi_device *wdev, u8 instance, const struct acpi_buffer *in)
+{
+ struct wmi_block *wblock = container_of(wdev, struct wmi_block, dev);
+ acpi_handle handle = wblock->acpi_device->handle;
+ struct guid_block *block = &wblock->gblock;
+ char method[WMI_ACPI_METHOD_NAME_SIZE];
+ struct acpi_object_list input;
+ union acpi_object params[2];
- /* Check GUID is a data block */
- if (block->flags & (ACPI_WMI_EVENT | ACPI_WMI_METHOD)) {
- status = AE_ERROR;
+ if (!in)
+ return AE_BAD_DATA;
- goto err_wdev_put;
- }
+ if (block->instance_count <= instance)
+ return AE_BAD_PARAMETER;
+
+ /* Check GUID is a data block */
+ if (block->flags & (ACPI_WMI_EVENT | ACPI_WMI_METHOD))
+ return AE_ERROR;
input.count = 2;
input.pointer = params;
get_acpi_method_name(wblock, 'S', method);
- status = acpi_evaluate_object(handle, method, &input, NULL);
-
-err_wdev_put:
- wmi_device_put(wdev);
-
- return status;
-}
-EXPORT_SYMBOL_GPL(wmi_set_block);
-
-static void wmi_dump_wdg(const struct guid_block *g)
-{
- pr_info("%pUL:\n", &g->guid);
- if (g->flags & ACPI_WMI_EVENT)
- pr_info("\tnotify_id: 0x%02X\n", g->notify_id);
- else
- pr_info("\tobject_id: %2pE\n", g->object_id);
- pr_info("\tinstance_count: %d\n", g->instance_count);
- pr_info("\tflags: %#x", g->flags);
- if (g->flags) {
- if (g->flags & ACPI_WMI_EXPENSIVE)
- pr_cont(" ACPI_WMI_EXPENSIVE");
- if (g->flags & ACPI_WMI_METHOD)
- pr_cont(" ACPI_WMI_METHOD");
- if (g->flags & ACPI_WMI_STRING)
- pr_cont(" ACPI_WMI_STRING");
- if (g->flags & ACPI_WMI_EVENT)
- pr_cont(" ACPI_WMI_EVENT");
- }
- pr_cont("\n");
-
-}
-
-static void wmi_notify_debug(u32 value, void *context)
-{
- struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
- union acpi_object *obj;
- acpi_status status;
-
- status = wmi_get_event_data(value, &response);
- if (status != AE_OK) {
- pr_info("bad event status 0x%x\n", status);
- return;
- }
-
- obj = response.pointer;
- if (!obj)
- return;
-
- pr_info("DEBUG: event 0x%02X ", value);
- switch (obj->type) {
- case ACPI_TYPE_BUFFER:
- pr_cont("BUFFER_TYPE - length %u\n", obj->buffer.length);
- break;
- case ACPI_TYPE_STRING:
- pr_cont("STRING_TYPE - %s\n", obj->string.pointer);
- break;
- case ACPI_TYPE_INTEGER:
- pr_cont("INTEGER_TYPE - %llu\n", obj->integer.value);
- break;
- case ACPI_TYPE_PACKAGE:
- pr_cont("PACKAGE_TYPE - %u elements\n", obj->package.count);
- break;
- default:
- pr_cont("object type 0x%X\n", obj->type);
- }
- kfree(obj);
+ return acpi_evaluate_object(handle, method, &input, NULL);
}
+EXPORT_SYMBOL_GPL(wmidev_block_set);
/**
* wmi_install_notify_handler - Register handler for WMI events (deprecated)
acpi_status wmi_status;
if (guid_equal(&block->gblock.guid, &guid_input)) {
- if (block->handler &&
- block->handler != wmi_notify_debug)
+ if (block->handler)
return AE_ALREADY_ACQUIRED;
block->handler = handler;
acpi_status wmi_status;
if (guid_equal(&block->gblock.guid, &guid_input)) {
- if (!block->handler ||
- block->handler == wmi_notify_debug)
+ if (!block->handler)
return AE_NULL_ENTRY;
- if (debug_event) {
- block->handler = wmi_notify_debug;
- status = AE_OK;
- } else {
- wmi_status = wmi_method_enable(block, false);
- block->handler = NULL;
- block->handler_data = NULL;
- if ((wmi_status != AE_OK) ||
- ((wmi_status == AE_OK) &&
- (status == AE_NOT_EXIST)))
- status = wmi_status;
- }
+ wmi_status = wmi_method_enable(block, false);
+ block->handler = NULL;
+ block->handler_data = NULL;
+ if (wmi_status != AE_OK || (wmi_status == AE_OK && status == AE_NOT_EXIST))
+ status = wmi_status;
}
}
return 0;
}
-static int wmi_char_open(struct inode *inode, struct file *filp)
-{
- /*
- * The miscdevice already stores a pointer to itself
- * inside filp->private_data
- */
- struct wmi_block *wblock = container_of(filp->private_data, struct wmi_block, char_dev);
-
- filp->private_data = wblock;
-
- return nonseekable_open(inode, filp);
-}
-
-static ssize_t wmi_char_read(struct file *filp, char __user *buffer,
- size_t length, loff_t *offset)
-{
- struct wmi_block *wblock = filp->private_data;
-
- return simple_read_from_buffer(buffer, length, offset,
- &wblock->req_buf_size,
- sizeof(wblock->req_buf_size));
-}
-
-static long wmi_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
- struct wmi_ioctl_buffer __user *input =
- (struct wmi_ioctl_buffer __user *) arg;
- struct wmi_block *wblock = filp->private_data;
- struct wmi_ioctl_buffer *buf;
- struct wmi_driver *wdriver;
- int ret;
-
- if (_IOC_TYPE(cmd) != WMI_IOC)
- return -ENOTTY;
-
- /* make sure we're not calling a higher instance than exists*/
- if (_IOC_NR(cmd) >= wblock->gblock.instance_count)
- return -EINVAL;
-
- mutex_lock(&wblock->char_mutex);
- buf = wblock->handler_data;
- if (get_user(buf->length, &input->length)) {
- dev_dbg(&wblock->dev.dev, "Read length from user failed\n");
- ret = -EFAULT;
- goto out_ioctl;
- }
- /* if it's too small, abort */
- if (buf->length < wblock->req_buf_size) {
- dev_err(&wblock->dev.dev,
- "Buffer %lld too small, need at least %lld\n",
- buf->length, wblock->req_buf_size);
- ret = -EINVAL;
- goto out_ioctl;
- }
- /* if it's too big, warn, driver will only use what is needed */
- if (buf->length > wblock->req_buf_size)
- dev_warn(&wblock->dev.dev,
- "Buffer %lld is bigger than required %lld\n",
- buf->length, wblock->req_buf_size);
-
- /* copy the structure from userspace */
- if (copy_from_user(buf, input, wblock->req_buf_size)) {
- dev_dbg(&wblock->dev.dev, "Copy %llu from user failed\n",
- wblock->req_buf_size);
- ret = -EFAULT;
- goto out_ioctl;
- }
-
- /* let the driver do any filtering and do the call */
- wdriver = drv_to_wdrv(wblock->dev.dev.driver);
- if (!try_module_get(wdriver->driver.owner)) {
- ret = -EBUSY;
- goto out_ioctl;
- }
- ret = wdriver->filter_callback(&wblock->dev, cmd, buf);
- module_put(wdriver->driver.owner);
- if (ret)
- goto out_ioctl;
-
- /* return the result (only up to our internal buffer size) */
- if (copy_to_user(input, buf, wblock->req_buf_size)) {
- dev_dbg(&wblock->dev.dev, "Copy %llu to user failed\n",
- wblock->req_buf_size);
- ret = -EFAULT;
- }
-
-out_ioctl:
- mutex_unlock(&wblock->char_mutex);
- return ret;
-}
-
-static const struct file_operations wmi_fops = {
- .owner = THIS_MODULE,
- .read = wmi_char_read,
- .open = wmi_char_open,
- .unlocked_ioctl = wmi_ioctl,
- .compat_ioctl = compat_ptr_ioctl,
-};
static int wmi_dev_probe(struct device *dev)
{
struct wmi_block *wblock = dev_to_wblock(dev);
struct wmi_driver *wdriver = drv_to_wdrv(dev->driver);
int ret = 0;
- char *buf;
if (ACPI_FAILURE(wmi_method_enable(wblock, true)))
dev_warn(dev, "failed to enable device -- probing anyway\n");
if (wdriver->probe) {
ret = wdriver->probe(dev_to_wdev(dev),
find_guid_context(wblock, wdriver));
- if (ret != 0)
- goto probe_failure;
- }
-
- /* driver wants a character device made */
- if (wdriver->filter_callback) {
- /* check that required buffer size declared by driver or MOF */
- if (!wblock->req_buf_size) {
- dev_err(&wblock->dev.dev,
- "Required buffer size not set\n");
- ret = -EINVAL;
- goto probe_failure;
- }
-
- wblock->handler_data = kmalloc(wblock->req_buf_size,
- GFP_KERNEL);
- if (!wblock->handler_data) {
- ret = -ENOMEM;
- goto probe_failure;
- }
+ if (!ret) {
+ if (ACPI_FAILURE(wmi_method_enable(wblock, false)))
+ dev_warn(dev, "Failed to disable device\n");
- buf = kasprintf(GFP_KERNEL, "wmi/%s", wdriver->driver.name);
- if (!buf) {
- ret = -ENOMEM;
- goto probe_string_failure;
- }
- wblock->char_dev.minor = MISC_DYNAMIC_MINOR;
- wblock->char_dev.name = buf;
- wblock->char_dev.fops = &wmi_fops;
- wblock->char_dev.mode = 0444;
- ret = misc_register(&wblock->char_dev);
- if (ret) {
- dev_warn(dev, "failed to register char dev: %d\n", ret);
- ret = -ENOMEM;
- goto probe_misc_failure;
+ return ret;
}
}
set_bit(WMI_PROBED, &wblock->flags);
- return 0;
-probe_misc_failure:
- kfree(buf);
-probe_string_failure:
- kfree(wblock->handler_data);
-probe_failure:
- if (ACPI_FAILURE(wmi_method_enable(wblock, false)))
- dev_warn(dev, "failed to disable device\n");
- return ret;
+ return 0;
}
static void wmi_dev_remove(struct device *dev)
clear_bit(WMI_PROBED, &wblock->flags);
- if (wdriver->filter_callback) {
- misc_deregister(&wblock->char_dev);
- kfree(wblock->char_dev.name);
- kfree(wblock->handler_data);
- }
-
if (wdriver->remove)
wdriver->remove(dev_to_wdev(dev));
if (wblock->gblock.flags & ACPI_WMI_METHOD) {
wblock->dev.dev.type = &wmi_type_method;
- mutex_init(&wblock->char_mutex);
goto out_init;
}
kfree(info);
get_acpi_method_name(wblock, 'S', method);
- result = get_subobj_info(device->handle, method, NULL);
-
- if (result == 0)
+ if (acpi_has_method(device->handle, method))
wblock->dev.setable = true;
out_init:
total = obj->buffer.length / sizeof(struct guid_block);
for (i = 0; i < total; i++) {
- if (debug_dump_wdg)
- wmi_dump_wdg(&gblock[i]);
-
if (!gblock[i].instance_count) {
dev_info(wmi_bus_dev, FW_INFO "%pUL has zero instances\n", &gblock[i].guid);
continue;
list_add_tail(&wblock->list, &wmi_block_list);
- if (debug_event) {
- wblock->handler = wmi_notify_debug;
- wmi_method_enable(wblock, true);
- }
-
retval = wmi_add_device(pdev, &wblock->dev);
if (retval) {
dev_err(wmi_bus_dev, "failed to register %pUL\n",
&wblock->gblock.guid);
- if (debug_event)
- wmi_method_enable(wblock, false);
list_del(&wblock->list);
put_device(&wblock->dev.dev);
u32 bits, u64 *value,
void *handler_context, void *region_context)
{
- int result = 0, i = 0;
+ int result = 0;
u8 temp = 0;
if ((address > 0xFF) || !value)
if (function == ACPI_READ) {
result = ec_read(address, &temp);
- (*value) |= ((u64)temp) << i;
+ *value = temp;
} else {
- temp = 0xff & ((*value) >> i);
+ temp = 0xff & *value;
result = ec_write(address, temp);
}
}
}
-static void acpi_wmi_notify_handler(acpi_handle handle, u32 event,
- void *context)
+static int wmi_notify_device(struct device *dev, void *data)
{
- struct wmi_block *wblock = NULL, *iter;
-
- list_for_each_entry(iter, &wmi_block_list, list) {
- struct guid_block *block = &iter->gblock;
-
- if (iter->acpi_device->handle == handle &&
- (block->flags & ACPI_WMI_EVENT) &&
- (block->notify_id == event)) {
- wblock = iter;
- break;
- }
- }
+ struct wmi_block *wblock = dev_to_wblock(dev);
+ u32 *event = data;
- if (!wblock)
- return;
+ if (!(wblock->gblock.flags & ACPI_WMI_EVENT && wblock->gblock.notify_id == *event))
+ return 0;
/* If a driver is bound, then notify the driver. */
if (test_bit(WMI_PROBED, &wblock->flags) && wblock->dev.dev.driver) {
status = get_event_data(wblock, &evdata);
if (ACPI_FAILURE(status)) {
dev_warn(&wblock->dev.dev, "failed to get event data\n");
- return;
+ return -EIO;
}
}
kfree(evdata.pointer);
} else if (wblock->handler) {
/* Legacy handler */
- wblock->handler(event, wblock->handler_data);
+ wblock->handler(*event, wblock->handler_data);
}
- if (debug_event)
- pr_info("DEBUG: GUID %pUL event 0x%02X\n", &wblock->gblock.guid, event);
+ acpi_bus_generate_netlink_event(wblock->acpi_device->pnp.device_class,
+ dev_name(&wblock->dev.dev), *event, 0);
- acpi_bus_generate_netlink_event(
- wblock->acpi_device->pnp.device_class,
- dev_name(&wblock->dev.dev),
- event, 0);
+ return -EBUSY;
+}
+
+static void acpi_wmi_notify_handler(acpi_handle handle, u32 event, void *context)
+{
+ struct device *wmi_bus_dev = context;
+
+ device_for_each_child(wmi_bus_dev, &event, wmi_notify_device);
}
static int wmi_remove_device(struct device *dev, void *data)
static void acpi_wmi_remove(struct platform_device *device)
{
- struct acpi_device *acpi_device = ACPI_COMPANION(&device->dev);
struct device *wmi_bus_device = dev_get_drvdata(&device->dev);
- acpi_remove_notify_handler(acpi_device->handle, ACPI_ALL_NOTIFY,
- acpi_wmi_notify_handler);
- acpi_remove_address_space_handler(acpi_device->handle,
- ACPI_ADR_SPACE_EC, &acpi_wmi_ec_space_handler);
-
device_for_each_child_reverse(wmi_bus_device, NULL, wmi_remove_device);
- device_unregister(wmi_bus_device);
+}
+
+static void acpi_wmi_remove_notify_handler(void *data)
+{
+ struct acpi_device *acpi_device = data;
+
+ acpi_remove_notify_handler(acpi_device->handle, ACPI_ALL_NOTIFY, acpi_wmi_notify_handler);
+}
+
+static void acpi_wmi_remove_address_space_handler(void *data)
+{
+ struct acpi_device *acpi_device = data;
+
+ acpi_remove_address_space_handler(acpi_device->handle, ACPI_ADR_SPACE_EC,
+ &acpi_wmi_ec_space_handler);
+}
+
+static void acpi_wmi_remove_bus_device(void *data)
+{
+ struct device *wmi_bus_dev = data;
+
+ device_unregister(wmi_bus_dev);
}
static int acpi_wmi_probe(struct platform_device *device)
return -ENODEV;
}
+ wmi_bus_dev = device_create(&wmi_bus_class, &device->dev, MKDEV(0, 0), NULL, "wmi_bus-%s",
+ dev_name(&device->dev));
+ if (IS_ERR(wmi_bus_dev))
+ return PTR_ERR(wmi_bus_dev);
+
+ error = devm_add_action_or_reset(&device->dev, acpi_wmi_remove_bus_device, wmi_bus_dev);
+ if (error < 0)
+ return error;
+
+ dev_set_drvdata(&device->dev, wmi_bus_dev);
+
status = acpi_install_address_space_handler(acpi_device->handle,
ACPI_ADR_SPACE_EC,
&acpi_wmi_ec_space_handler,
dev_err(&device->dev, "Error installing EC region handler\n");
return -ENODEV;
}
+ error = devm_add_action_or_reset(&device->dev, acpi_wmi_remove_address_space_handler,
+ acpi_device);
+ if (error < 0)
+ return error;
- status = acpi_install_notify_handler(acpi_device->handle,
- ACPI_ALL_NOTIFY,
- acpi_wmi_notify_handler,
- NULL);
+ status = acpi_install_notify_handler(acpi_device->handle, ACPI_ALL_NOTIFY,
+ acpi_wmi_notify_handler, wmi_bus_dev);
if (ACPI_FAILURE(status)) {
dev_err(&device->dev, "Error installing notify handler\n");
- error = -ENODEV;
- goto err_remove_ec_handler;
+ return -ENODEV;
}
-
- wmi_bus_dev = device_create(&wmi_bus_class, &device->dev, MKDEV(0, 0),
- NULL, "wmi_bus-%s", dev_name(&device->dev));
- if (IS_ERR(wmi_bus_dev)) {
- error = PTR_ERR(wmi_bus_dev);
- goto err_remove_notify_handler;
- }
- dev_set_drvdata(&device->dev, wmi_bus_dev);
+ error = devm_add_action_or_reset(&device->dev, acpi_wmi_remove_notify_handler,
+ acpi_device);
+ if (error < 0)
+ return error;
error = parse_wdg(wmi_bus_dev, device);
if (error) {
pr_err("Failed to parse WDG method\n");
- goto err_remove_busdev;
+ return error;
}
return 0;
-
-err_remove_busdev:
- device_unregister(wmi_bus_dev);
-
-err_remove_notify_handler:
- acpi_remove_notify_handler(acpi_device->handle, ACPI_ALL_NOTIFY,
- acpi_wmi_notify_handler);
-
-err_remove_ec_handler:
- acpi_remove_address_space_handler(acpi_device->handle,
- ACPI_ADR_SPACE_EC,
- &acpi_wmi_ec_space_handler);
-
- return error;
}
int __must_check __wmi_driver_register(struct wmi_driver *driver,
projects / linux.git / commitdiff