F: drivers/crypto/ccp/sev*
F: include/uapi/linux/psp-sev.h
+AMD CRYPTOGRAPHIC COPROCESSOR (CCP) DRIVER - DBC SUPPORT
+S: Supported
+F: drivers/crypto/ccp/dbc.c
+F: drivers/crypto/ccp/dbc.h
+F: drivers/crypto/ccp/platform-access.c
+F: drivers/crypto/ccp/platform-access.h
+F: include/uapi/linux/psp-dbc.h
+F: tools/crypto/ccp/*.c
+F: tools/crypto/ccp/*.py
+
AMD DISPLAY CORE
S: Maintained
-F: drivers/platform/x86/amd/pmc.c
+F: drivers/platform/x86/amd/pmc/
AMD PMF DRIVER
S: Maintained
+P: Documentation/process/maintainer-soc.rst
C: irc://irc.libera.chat/armlinux
T: git git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git
-F: Documentation/process/maintainer-soc.rst
+F: Documentation/process/maintainer-soc*.rst
F: arch/arm/boot/dts/Makefile
F: arch/arm64/boot/dts/Makefile
F: arch/arm/boot/dts/amlogic/
F: arch/arm/mach-meson/
F: arch/arm64/boot/dts/amlogic/
+F: drivers/genpd/amlogic/
F: drivers/mmc/host/meson*
F: drivers/phy/amlogic/
F: drivers/pinctrl/meson/
F: drivers/clk/clk-apple-nco.c
F: drivers/cpufreq/apple-soc-cpufreq.c
F: drivers/dma/apple-admac.c
+F: drivers/genpd/apple/
F: drivers/i2c/busses/i2c-pasemi-core.c
F: drivers/i2c/busses/i2c-pasemi-platform.c
F: drivers/iommu/apple-dart.c
F: drivers/clk/clk-nomadik.c
F: drivers/clocksource/clksrc-dbx500-prcmu.c
F: drivers/dma/ste_dma40*
+F: drivers/genpd/st/ste-ux500-pm-domain.c
F: drivers/hwspinlock/u8500_hsem.c
F: drivers/i2c/busses/i2c-nomadik.c
F: drivers/iio/adc/ab8500-gpadc.c
W: http://www.digriz.org.uk/ts78xx/kernel
F: arch/arm/mach-orion5x/ts78xx-*
-ARM/OXNAS platform support
-S: Maintained
-F: arch/arm/boot/dts/ox8*.dts*
-F: arch/arm/mach-oxnas/
-F: drivers/power/reset/oxnas-restart.c
-N: oxnas
-
ARM/QUALCOMM CHROMEBOOK SUPPORT
F: arch/arm64/boot/dts/qcom/sc7180*
F: arch/arm/mach-shmobile/
F: arch/arm64/boot/dts/renesas/
F: arch/riscv/boot/dts/renesas/
+F: drivers/genpd/renesas/
F: drivers/soc/renesas/
F: include/linux/soc/renesas/
K: \brenesas,
S: Maintained
+P: Documentation/process/maintainer-soc-clean-dts.rst
Q: https://patchwork.kernel.org/project/linux-samsung-soc/list/
C: irc://irc.libera.chat/linux-exynos
S: Maintained
-F: */*/*/vexpress*
-F: */*/vexpress*
-F: arch/arm/boot/dts/arm/vexpress*
+N: mps2
+N: vexpress
F: arch/arm/mach-versatile/
F: arch/arm64/boot/dts/arm/
-F: drivers/clk/versatile/clk-vexpress-osc.c
F: drivers/clocksource/timer-versatile.c
-N: mps2
+X: drivers/cpufreq/vexpress-spc-cpufreq.c
+X: Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml
ARM/VFP SUPPORT
F: include/linux/tnum.h
F: kernel/bpf/core.c
F: kernel/bpf/dispatcher.c
+F: kernel/bpf/mprog.c
F: kernel/bpf/syscall.c
F: kernel/bpf/tnum.c
F: kernel/bpf/trampoline.c
S: Maintained
-F: Documentation/bpf/instruction-set.rst
+F: Documentation/bpf/standardization/
BPF [GENERAL] (Safe Dynamic Programs and Tools)
F: tools/testing/selftests/bpf/
BPF [ITERATOR]
S: Maintained
F: kernel/bpf/*iter.c
S: Maintained
F: kernel/bpf/bpf_struct*
-BPF [NETWORKING] (tc BPF, sock_addr)
+BPF [NETWORKING] (tcx & tc BPF, sock_addr)
S: Maintained
+F: include/net/tcx.h
+F: kernel/bpf/tcx.c
F: net/core/filter.c
F: net/sched/act_bpf.c
F: net/sched/cls_bpf.c
F: kernel/bpf/stackmap.c
F: kernel/trace/bpf_trace.c
+BROADCOM ASP 2.0 ETHERNET DRIVER
+S: Supported
+F: Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml
+F: drivers/net/ethernet/broadcom/asp2/
+
BROADCOM B44 10/100 ETHERNET DRIVER
F: drivers/irqchip/irq-bcm63*
F: drivers/irqchip/irq-bcm7*
F: drivers/irqchip/irq-brcmstb*
-F: drivers/soc/bcm/bcm63xx
+F: drivers/genpd/bcm/bcm63xx-power.c
F: include/linux/bcm963xx_nvram.h
F: include/linux/bcm963xx_tag.h
S: Odd Fixes
-F: Documentation/devicetree/bindings/spi/spi-bcm63xx.txt
+F: Documentation/devicetree/bindings/spi/brcm,bcm63xx-spi.yaml
F: drivers/spi/spi-bcm63xx.c
BROADCOM ETHERNET PHY DRIVERS
S: Supported
-F: Documentation/devicetree/bindings/gpio/brcm,kona-gpio.txt
+F: Documentation/devicetree/bindings/gpio/brcm,kona-gpio.yaml
F: drivers/gpio/gpio-bcm-kona.c
BROADCOM MPI3 STORAGE CONTROLLER DRIVER
S: Maintained
T: git https://github.com/broadcom/stblinux.git
-F: drivers/soc/bcm/bcm63xx/bcm-pmb.c
+F: drivers/genpd/bcm/bcm-pmb.c
F: include/dt-bindings/soc/bcm-pmb.h
BROADCOM SPECIFIC AMBA DRIVER (BCMA)
CHROME HARDWARE PLATFORM SUPPORT
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux.git
S: Maintained
F: Documentation/devicetree/bindings/sound/cirrus,cs*
+F: drivers/mfd/cs42l43*
+F: drivers/pinctrl/cirrus/pinctrl-cs42l43*
+F: drivers/spi/spi-cs42l43*
F: include/dt-bindings/sound/cs*
+F: include/linux/mfd/cs42l43*
F: include/sound/cs*
F: sound/pci/hda/cs*
F: sound/pci/hda/hda_cs_dsp_ctl.*
-S: Supported
+S: Maintained
F: arch/arm/mach-exynos/pm.c
F: drivers/cpuidle/cpuidle-exynos.c
F: include/linux/platform_data/cpuidle-exynos.h
F: Documentation/devicetree/bindings/mfd/dlg,da90*.yaml
F: Documentation/devicetree/bindings/regulator/da92*.txt
F: Documentation/devicetree/bindings/regulator/dlg,da9*.yaml
-F: Documentation/devicetree/bindings/regulator/slg51000.txt
+F: Documentation/devicetree/bindings/regulator/dlg,slg51000.yaml
F: Documentation/devicetree/bindings/sound/da[79]*.txt
F: Documentation/devicetree/bindings/thermal/da90??-thermal.txt
F: Documentation/devicetree/bindings/watchdog/da90??-wdt.txt
DMA-BUF HEAPS FRAMEWORK
S: Maintained
+F: Documentation/maintainer/
F: Documentation/process/
DOCUMENTATION REPORTING ISSUES
DRM DRIVER FOR AST SERVER GRAPHICS CHIPS
S: Supported
T: git git://anongit.freedesktop.org/drm/drm-misc
DRM DRIVER FOR MGA G200 GRAPHICS CHIPS
S: Supported
T: git git://anongit.freedesktop.org/drm/drm-misc
F: drivers/gpu/drm/lima/
F: include/uapi/drm/lima_drm.h
+DRM DRIVERS FOR LOONGSON
+S: Supported
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: drivers/gpu/drm/loongson/
+
DRM DRIVERS FOR MEDIATEK
DRM DRIVERS FOR TI KEYSTONE
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
DRM DRIVERS FOR TI LCDC
S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
F: Documentation/devicetree/bindings/display/tilcdc/
F: drivers/gpu/drm/tilcdc/
DRM DRIVERS FOR TI OMAP
S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
F: Documentation/devicetree/bindings/display/ti/
F: drivers/gpu/drm/omapdrm/
S: Supported
F: drivers/mmc/host/cqhci*
+EMS CPC-PCI CAN DRIVER
+S: Maintained
+F: drivers/net/can/sja1000/ems_pci.c
+
EMULEX 10Gbps iSCSI - OneConnect DRIVER
F: include/linux/of_net.h
F: include/linux/phy.h
F: include/linux/phy_fixed.h
+F: include/linux/phylib_stubs.h
F: include/linux/platform_data/mdio-bcm-unimac.h
F: include/linux/platform_data/mdio-gpio.h
F: include/trace/events/mdio.h
S: Maintained
F: drivers/net/ethernet/freescale/fs_enet/
-F: include/linux/fs_enet_pd.h
FREESCALE SOC SOUND DRIVERS
F: include/linux/freezer.h
F: kernel/freezer.c
-FRONTSWAP API
-S: Maintained
-F: include/linux/frontswap.h
-F: mm/frontswap.c
-
FS-CACHE: LOCAL CACHING FOR NETWORK FILESYSTEMS
F: drivers/base/power/domain*.c
F: include/linux/pm_domain.h
+GENERIC PM DOMAIN PROVIDERS
+S: Supported
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git
+F: drivers/genpd/
+
GENERIC RESISTIVE TOUCHSCREEN ADC DRIVER
S: Maintained
F: drivers/gpio/gpio-regmap.c
F: include/linux/gpio/regmap.h
+K: (devm_)?gpio_regmap_(un)?register
GPIO SUBSYSTEM
F: drivers/crypto/hisilicon/hpre/hpre_main.c
HISILICON HNS3 PMU DRIVER
-M: Guangbin Huang <huangguangbin2@huawei.com>
+M: Jijie Shao <shaojijie@huawei.com>
S: Supported
F: Documentation/admin-guide/perf/hns3-pmu.rst
F: drivers/perf/hisilicon/hns3_pmu.c
F: Documentation/devicetree/bindings/i2c/hisilicon,ascend910-i2c.yaml
F: drivers/i2c/busses/i2c-hisi.c
+HISILICON KUNPENG SOC HCCS DRIVER
+S: Maintained
+F: Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs
+F: drivers/soc/hisilicon/kunpeng_hccs.c
+F: drivers/soc/hisilicon/kunpeng_hccs.h
+
HISILICON LPC BUS DRIVER
S: Maintained
F: drivers/net/ethernet/hisilicon/
HISILICON PMU DRIVER
-M: Shaokun Zhang <zhangshaokun@hisilicon.com>
+M: Yicong Yang <yangyicong@hisilicon.com>
S: Supported
W: http://www.hisilicon.com
W: http://w1.fi/hostap-driver.html
F: drivers/net/wireless/intersil/hostap/
+HP BIOSCFG DRIVER
+S: Maintained
+F: drivers/platform/x86/hp/hp-bioscfg/
+
HP COMPAQ TC1100 TABLET WMI EXTRAS DRIVER
S: Orphan
W: http://artax.karlin.mff.cuni.cz/~mikulas/vyplody/hpfs/index-e.cgi
F: fs/hpfs/
+HS3001 Hardware Temperature and Humidity Sensor
+S: Maintained
+F: drivers/hwmon/hs3001.c
+
HSI SUBSYSTEM
S: Maintained
S: Maintained
+F: Documentation/ABI/testing/debugfs-tpmi
F: drivers/platform/x86/intel/tpmi.c
F: include/linux/intel_tpmi.h
F: include/trace/events/io_uring.h
F: include/uapi/linux/io_uring.h
F: io_uring/
-F: tools/io_uring/
IPMI SUBSYSTEM
F: Documentation/dev-tools/kunit/
F: include/kunit/
F: lib/kunit/
+F: rust/kernel/kunit.rs
+F: scripts/rustdoc_test_*
F: tools/testing/kunit/
KERNEL USERMODE HELPER
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git
-F: Documentation/loongarch/
-F: Documentation/translations/zh_CN/loongarch/
+F: Documentation/arch/loongarch/
+F: Documentation/translations/zh_CN/arch/loongarch/
F: arch/loongarch/
F: drivers/*/*loongarch*
F: drivers/clk/clk-loongson2.c
F: include/dt-bindings/clock/loongson,ls2k-clk.h
+LOONGSON SPI DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
+F: drivers/spi/spi-loongson-core.c
+F: drivers/spi/spi-loongson-pci.c
+F: drivers/spi/spi-loongson-plat.c
+F: drivers/spi/spi-loongson.h
+
LOONGSON-2 SOC SERIES GUTS DRIVER
F: Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml
F: drivers/soc/loongson/loongson2_guts.c
+LOONGSON-2 SOC SERIES PM DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml
+F: drivers/soc/loongson/loongson2_pm.c
+
LOONGSON-2 SOC SERIES PINCTRL DRIVER
MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS
-S: Supported
+S: Maintained
F: Documentation/devicetree/bindings/power/supply/maxim,max14577.yaml
F: Documentation/devicetree/bindings/power/supply/maxim,max77693.yaml
-S: Supported
+S: Maintained
F: Documentation/devicetree/bindings/*/maxim,max14577.yaml
F: Documentation/devicetree/bindings/*/maxim,max77686.yaml
F: include/dt-bindings/nvmem/microchip,sama7g5-otpc.h
MICROCHIP PCI1XXXX GP DRIVER
S: Supported
F: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c
F: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.h
F: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c
+ F: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c
MICROCHIP PCI1XXXX I2C DRIVER
Q: https://patchwork.kernel.org/project/linux-mips/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git
F: Documentation/devicetree/bindings/mips/
-F: Documentation/mips/
+F: Documentation/arch/mips/
F: arch/mips/
F: drivers/platform/mips/
F: include/dt-bindings/mips/
F: include/linux/mfd/ntxec.h
NETRONOME ETHERNET DRIVERS
-M: Simon Horman <simon.horman@corigine.com>
+M: Louis Peens <louis.peens@corigine.com>
S: Maintained
F: net/netfilter/xt_SECMARK.c
F: net/netlabel/
+NETWORKING [MACSEC]
+S: Maintained
+F: drivers/net/macsec.c
+F: include/net/macsec.h
+F: include/uapi/linux/if_macsec.h
+K: macsec
+K: \bmdo_
+
NETWORKING [MPTCP]
S: Maintained
-F: include/linux/net_mm.h
F: include/linux/tcp.h
F: include/net/tcp.h
F: include/trace/events/tcp.h
NOLIBC HEADER FILE
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/nolibc.git
F: tools/include/nolibc/
W: http://linux.omap.com/
Q: http://patchwork.kernel.org/project/linux-omap/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git
+F: Documentation/devicetree/bindings/arm/ti/omap.yaml
F: arch/arm/configs/omap2plus_defconfig
F: arch/arm/mach-omap2/
F: drivers/bus/ti-sysc.c
S: Supported
F: Documentation/networking/page_pool.rst
-F: include/net/page_pool.h
+F: include/net/page_pool/
F: include/trace/events/page_pool.h
F: net/core/page_pool.c
S: Maintained
W: http://wiki.enneenne.com/index.php/LinuxPPS_support
F: Documentation/ABI/testing/sysfs-pps
-F: Documentation/devicetree/bindings/pps/pps-gpio.txt
+F: Documentation/devicetree/bindings/pps/pps-gpio.yaml
F: Documentation/driver-api/pps.rst
F: drivers/pps/
F: include/linux/pps*.h
PRESSURE STALL INFORMATION (PSI)
S: Maintained
F: include/linux/psi*
F: kernel/sched/psi.c
F: include/linux/ptp_cl*
K: (?:\b|_)ptp(?:\b|_)
+PTP MOCKUP CLOCK SUPPORT
+S: Maintained
+F: drivers/ptp/ptp_mock.c
+F: include/linux/ptp_mock.h
+
PTP VIRTUAL CLOCK SUPPORT
S: Maintained
F: Documentation/devicetree/bindings/power/avs/qcom,cpr.yaml
-F: drivers/soc/qcom/cpr.c
+F: drivers/genpd/qcom/cpr.c
QUALCOMM CPUFREQ DRIVER MSM8996/APQ8096
REISERFS FILE SYSTEM
-S: Supported
+S: Obsolete
F: fs/reiserfs/
REMOTE PROCESSOR (REMOTEPROC) SUBSYSTEM
S: Supported
W: https://github.com/Rust-for-Linux/linux
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git
F: Documentation/driver-api/s390-drivers.rst
-F: Documentation/s390/
+F: Documentation/arch/s390/
F: arch/s390/
F: drivers/s390/
F: drivers/watchdog/diag288_wdt.c
S: Supported
-F: Documentation/s390/pci.rst
+F: Documentation/arch/s390/pci.rst
F: arch/s390/pci/
F: drivers/pci/hotplug/s390_pci_hpc.c
S: Supported
-F: Documentation/s390/vfio-ap*
+F: Documentation/arch/s390/vfio-ap*
F: drivers/s390/crypto/vfio_ap*
S390 VFIO-CCW DRIVER
S: Supported
-F: Documentation/s390/vfio-ccw.rst
+F: Documentation/arch/s390/vfio-ccw.rst
F: drivers/s390/cio/vfio_ccw*
F: include/uapi/linux/vfio_ccw.h
-S: Supported
+S: Maintained
F: Documentation/devicetree/bindings/clock/samsung,s2mps11.yaml
F: Documentation/devicetree/bindings/mfd/samsung,s2m*.yaml
-S: Supported
+S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk.git
F: Documentation/devicetree/bindings/clock/samsung,*.yaml
F: drivers/tty/serdev/
F: include/linux/serdev.h
-SERIAL DRIVERS
-S: Maintained
-F: Documentation/devicetree/bindings/serial/
-F: drivers/tty/serial/
-
SERIAL IR RECEIVER
SGI XP/XPC/XPNET DRIVER
S: Maintained
F: drivers/misc/sgi-xp/
F: drivers/media/usb/siano/
F: drivers/media/usb/siano/
+SIEMENS IPC LED DRIVERS
+S: Maintained
+F: drivers/leds/simple/
+
+SIEMENS IPC PLATFORM DRIVERS
+S: Maintained
+F: drivers/platform/x86/siemens/
+F: include/linux/platform_data/x86/simatic-ipc-base.h
+F: include/linux/platform_data/x86/simatic-ipc.h
+
+SIEMENS IPC WATCHDOG DRIVERS
+S: Maintained
+F: drivers/watchdog/simatic-ipc-wdt.c
+
SIFIVE DRIVERS
S: Odd Fixes
F: drivers/net/ethernet/smsc/smc91x.*
-SMM665 HARDWARE MONITOR DRIVER
-S: Maintained
-F: Documentation/hwmon/smm665.rst
-F: drivers/hwmon/smm665.c
-
SMSC EMC2103 HARDWARE MONITOR DRIVER
F: Documentation/devicetree/bindings/mmc/starfive*
F: drivers/mmc/host/dw_mmc-starfive.c
+STARFIVE JH7110 PLL CLOCK DRIVER
+S: Supported
+F: Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml
+F: drivers/clk/starfive/clk-starfive-jh7110-pll.c
+
+STARFIVE JH7110 SYSCON
+S: Supported
+F: Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
+
STARFIVE JH7110 TDM DRIVER
S: Maintained
S: Supported
F: Documentation/devicetree/bindings/power/starfive*
-F: drivers/soc/starfive/jh71xx_pmu.c
+F: drivers/genpd/starfive/jh71xx-pmu.c
F: include/dt-bindings/power/starfive,jh7110-pmu.h
STARFIVE SOC DRIVERS
S: Maintained
T: git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/
+F: Documentation/devicetree/bindings/soc/starfive/
F: drivers/soc/starfive/
STARFIVE TRNG DRIVER
F: Documentation/devicetree/bindings/sound/davinci-mcasp-audio.yaml
F: sound/soc/ti/
+TEXAS INSTRUMENTS AUDIO (ASoC/HDA) DRIVERS
+S: Maintained
+F: Documentation/devicetree/bindings/sound/tas2552.txt
+F: Documentation/devicetree/bindings/sound/tas2562.yaml
+F: Documentation/devicetree/bindings/sound/tas2770.yaml
+F: Documentation/devicetree/bindings/sound/tas27xx.yaml
+F: Documentation/devicetree/bindings/sound/ti,pcm1681.txt
+F: Documentation/devicetree/bindings/sound/ti,pcm3168a.yaml
+F: Documentation/devicetree/bindings/sound/ti,tlv320*.yaml
+F: Documentation/devicetree/bindings/sound/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
+F: sound/pci/hda/tas2781_hda_i2c.c
+F: sound/soc/codecs/pcm1681.c
+F: sound/soc/codecs/pcm1789*.*
+F: sound/soc/codecs/pcm179x*.*
+F: sound/soc/codecs/pcm186x*.*
+F: sound/soc/codecs/pcm3008.*
+F: sound/soc/codecs/pcm3060*.*
+F: sound/soc/codecs/pcm3168a*.*
+F: sound/soc/codecs/pcm5102a.c
+F: sound/soc/codecs/pcm512x*.*
+F: sound/soc/codecs/tas2*.*
+F: sound/soc/codecs/tlv320*.*
+F: sound/soc/codecs/tpa6130a2.*
+
TEXAS INSTRUMENTS DMA DRIVERS
F: drivers/irqchip/irq-ti-sci-intr.c
F: drivers/reset/reset-ti-sci.c
F: drivers/soc/ti/ti_sci_inta_msi.c
-F: drivers/soc/ti/ti_sci_pm_domains.c
+F: drivers/genpd/ti/ti_sci_pm_domains.c
F: include/dt-bindings/soc/ti,sci_pm_domain.h
F: include/linux/soc/ti/ti_sci_inta_msi.h
F: include/linux/soc/ti/ti_sci_protocol.h
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux.git
+F: drivers/genpd/ti/omap_prm.c
F: drivers/soc/ti/*
TI LM49xxx FAMILY ASoC CODEC DRIVERS
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: Documentation/translations/zh_TW/
-TTY LAYER
+TTY LAYER AND SERIAL DRIVERS
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git
+F: Documentation/devicetree/bindings/serial/
F: Documentation/driver-api/serial/
F: drivers/tty/
-F: drivers/tty/serial/serial_base.h
-F: drivers/tty/serial/serial_base_bus.c
-F: drivers/tty/serial/serial_core.c
-F: drivers/tty/serial/serial_ctrl.c
-F: drivers/tty/serial/serial_port.c
F: include/linux/selection.h
F: include/linux/serial.h
F: include/linux/serial_core.h
P: Documentation/driver-api/vfio-pci-device-specific-driver-acceptance.rst
F: drivers/vfio/pci/*/
+VFIO PDS PCI DRIVER
+S: Maintained
+F: Documentation/networking/device_drivers/ethernet/amd/pds_vfio_pci.rst
+F: drivers/vfio/pci/pds/
+
VFIO PLATFORM DRIVER
S: Maintained
F: drivers/block/virtio_blk.c
F: drivers/scsi/virtio_scsi.c
-F: drivers/vhost/scsi.c
F: include/uapi/linux/virtio_blk.h
F: include/uapi/linux/virtio_scsi.h
F: include/uapi/linux/vhost.h
F: kernel/vhost_task.c
+VIRTIO HOST (VHOST-SCSI)
+S: Maintained
+F: drivers/vhost/scsi.c
+
VIRTIO I2C DRIVER
W: https://www.net-swift.com
F: Documentation/networking/device_drivers/ethernet/wangxun/*
F: drivers/net/ethernet/wangxun/
+F: drivers/net/pcs/pcs-xpcs-wx.c
WATCHDOG DEVICE DRIVERS
F: drivers/net/wireless/legacy/wl3501*
WMI BINARY MOF DRIVER
-S: Orphan
+S: Maintained
F: Documentation/ABI/stable/sysfs-platform-wmi-bmof
F: Documentation/wmi/devices/wmi-bmof.rst
F: drivers/platform/x86/wmi-bmof.c
X86 PLATFORM UV HPE SUPERDOME FLEX
S: Supported
F: include/xen/swiotlb-xen.h
XFS FILESYSTEM
S: Supported
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
F: Documentation/ABI/testing/sysfs-fs-xfs
F: Documentation/admin-guide/xfs.rst
F: Documentation/filesystems/xfs-delayed-logging-design.rst
--- /dev/null
- {"ARMHC500", 0}, /* ARM CoreSight ETM4x */
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * ACPI support for platform bus type.
+ *
+ * Copyright (C) 2015, Linaro Ltd
+ */
+
+#include <linux/acpi.h>
+#include <linux/amba/bus.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "init.h"
+
+static const struct acpi_device_id amba_id_list[] = {
+ {"ARMH0061", 0}, /* PL061 GPIO Device */
+ {"ARMH0330", 0}, /* ARM DMA Controller DMA-330 */
+ {"ARMHC501", 0}, /* ARM CoreSight ETR */
+ {"ARMHC502", 0}, /* ARM CoreSight STM */
+ {"ARMHC503", 0}, /* ARM CoreSight Debug */
+ {"ARMHC979", 0}, /* ARM CoreSight TPIU */
+ {"ARMHC97C", 0}, /* ARM CoreSight SoC-400 TMC, SoC-600 ETF/ETB */
+ {"ARMHC98D", 0}, /* ARM CoreSight Dynamic Replicator */
+ {"ARMHC9CA", 0}, /* ARM CoreSight CATU */
+ {"ARMHC9FF", 0}, /* ARM CoreSight Dynamic Funnel */
+ {"", 0},
+};
+
+static void amba_register_dummy_clk(void)
+{
+ static struct clk *amba_dummy_clk;
+
+ /* If clock already registered */
+ if (amba_dummy_clk)
+ return;
+
+ amba_dummy_clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, 0, 0);
+ clk_register_clkdev(amba_dummy_clk, "apb_pclk", NULL);
+}
+
+static int amba_handler_attach(struct acpi_device *adev,
+ const struct acpi_device_id *id)
+{
+ struct acpi_device *parent = acpi_dev_parent(adev);
+ struct amba_device *dev;
+ struct resource_entry *rentry;
+ struct list_head resource_list;
+ bool address_found = false;
+ int irq_no = 0;
+ int ret;
+
+ /* If the ACPI node already has a physical device attached, skip it. */
+ if (adev->physical_node_count)
+ return 0;
+
+ dev = amba_device_alloc(dev_name(&adev->dev), 0, 0);
+ if (!dev) {
+ dev_err(&adev->dev, "%s(): amba_device_alloc() failed\n",
+ __func__);
+ return -ENOMEM;
+ }
+
+ INIT_LIST_HEAD(&resource_list);
+ ret = acpi_dev_get_resources(adev, &resource_list, NULL, NULL);
+ if (ret < 0)
+ goto err_free;
+
+ list_for_each_entry(rentry, &resource_list, node) {
+ switch (resource_type(rentry->res)) {
+ case IORESOURCE_MEM:
+ if (!address_found) {
+ dev->res = *rentry->res;
+ dev->res.name = dev_name(&dev->dev);
+ address_found = true;
+ }
+ break;
+ case IORESOURCE_IRQ:
+ if (irq_no < AMBA_NR_IRQS)
+ dev->irq[irq_no++] = rentry->res->start;
+ break;
+ default:
+ dev_warn(&adev->dev, "Invalid resource\n");
+ break;
+ }
+ }
+
+ acpi_dev_free_resource_list(&resource_list);
+
+ /*
+ * If the ACPI node has a parent and that parent has a physical device
+ * attached to it, that physical device should be the parent of
+ * the amba device we are about to create.
+ */
+ if (parent)
+ dev->dev.parent = acpi_get_first_physical_node(parent);
+
+ ACPI_COMPANION_SET(&dev->dev, adev);
+
+ ret = amba_device_add(dev, &iomem_resource);
+ if (ret) {
+ dev_err(&adev->dev, "%s(): amba_device_add() failed (%d)\n",
+ __func__, ret);
+ goto err_free;
+ }
+
+ return 1;
+
+err_free:
+ amba_device_put(dev);
+ return ret;
+}
+
+static struct acpi_scan_handler amba_handler = {
+ .ids = amba_id_list,
+ .attach = amba_handler_attach,
+};
+
+void __init acpi_amba_init(void)
+{
+ amba_register_dummy_clk();
+ acpi_scan_add_handler(&amba_handler);
+}
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/of.h>
-#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/firmware/intel/stratix10-svc-client.h>
#include <linux/string.h>
#define INVALID_RETRY_COUNTER 0xFF
#define INVALID_DCMF_VERSION 0xFF
#define INVALID_DCMF_STATUS 0xFFFFFFFF
+ #define INVALID_SPT_ADDRESS 0x0
+
+ #define RSU_GET_SPT_CMD 0x5A
+ #define RSU_GET_SPT_RESP_LEN (4 * sizeof(unsigned int))
typedef void (*rsu_callback)(struct stratix10_svc_client *client,
struct stratix10_svc_cb_data *data);
* @dcmf_status.dcmf3: dcmf3 status
* @retry_counter: the current image's retry counter
* @max_retry: the preset max retry value
+ * @spt0_address: address of spt0
+ * @spt1_address: address of spt1
+ * @get_spt_response_buf: response from sdm for get_spt command
*/
struct stratix10_rsu_priv {
struct stratix10_svc_chan *chan;
unsigned int retry_counter;
unsigned int max_retry;
+
+ unsigned long spt0_address;
+ unsigned long spt1_address;
+
+ unsigned int *get_spt_response_buf;
};
/**
complete(&priv->completion);
}
+ static void rsu_get_spt_callback(struct stratix10_svc_client *client,
+ struct stratix10_svc_cb_data *data)
+ {
+ struct stratix10_rsu_priv *priv = client->priv;
+ unsigned long *mbox_err = (unsigned long *)data->kaddr1;
+ unsigned long *resp_len = (unsigned long *)data->kaddr2;
+
+ if (data->status != BIT(SVC_STATUS_OK) || (*mbox_err) ||
+ (*resp_len != RSU_GET_SPT_RESP_LEN))
+ goto error;
+
+ priv->spt0_address = priv->get_spt_response_buf[0];
+ priv->spt0_address <<= 32;
+ priv->spt0_address |= priv->get_spt_response_buf[1];
+
+ priv->spt1_address = priv->get_spt_response_buf[2];
+ priv->spt1_address <<= 32;
+ priv->spt1_address |= priv->get_spt_response_buf[3];
+
+ goto complete;
+
+ error:
+ dev_err(client->dev, "failed to get SPTs\n");
+
+ complete:
+ stratix10_svc_free_memory(priv->chan, priv->get_spt_response_buf);
+ priv->get_spt_response_buf = NULL;
+ complete(&priv->completion);
+ }
+
/**
* rsu_send_msg() - send a message to Intel service layer
* @priv: pointer to rsu private data
if (arg)
msg.arg[0] = arg;
+ if (command == COMMAND_MBOX_SEND_CMD) {
+ msg.arg[1] = 0;
+ msg.payload = NULL;
+ msg.payload_length = 0;
+ msg.payload_output = priv->get_spt_response_buf;
+ msg.payload_length_output = RSU_GET_SPT_RESP_LEN;
+ }
+
ret = stratix10_svc_send(priv->chan, &msg);
if (ret < 0)
goto status_done;
return count;
}
+ static ssize_t spt0_address_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+ {
+ struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
+
+ if (!priv)
+ return -ENODEV;
+
+ if (priv->spt0_address == INVALID_SPT_ADDRESS)
+ return -EIO;
+
+ return scnprintf(buf, PAGE_SIZE, "0x%08lx\n", priv->spt0_address);
+ }
+
+ static ssize_t spt1_address_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+ {
+ struct stratix10_rsu_priv *priv = dev_get_drvdata(dev);
+
+ if (!priv)
+ return -ENODEV;
+
+ if (priv->spt1_address == INVALID_SPT_ADDRESS)
+ return -EIO;
+
+ return scnprintf(buf, PAGE_SIZE, "0x%08lx\n", priv->spt1_address);
+ }
+
static DEVICE_ATTR_RO(current_image);
static DEVICE_ATTR_RO(fail_image);
static DEVICE_ATTR_RO(state);
static DEVICE_ATTR_RO(dcmf3_status);
static DEVICE_ATTR_WO(reboot_image);
static DEVICE_ATTR_WO(notify);
+ static DEVICE_ATTR_RO(spt0_address);
+ static DEVICE_ATTR_RO(spt1_address);
static struct attribute *rsu_attrs[] = {
&dev_attr_current_image.attr,
&dev_attr_dcmf3_status.attr,
&dev_attr_reboot_image.attr,
&dev_attr_notify.attr,
+ &dev_attr_spt0_address.attr,
+ &dev_attr_spt1_address.attr,
NULL
};
priv->dcmf_version.dcmf1 = INVALID_DCMF_VERSION;
priv->dcmf_version.dcmf2 = INVALID_DCMF_VERSION;
priv->dcmf_version.dcmf3 = INVALID_DCMF_VERSION;
- priv->max_retry = INVALID_RETRY_COUNTER;
priv->dcmf_status.dcmf0 = INVALID_DCMF_STATUS;
priv->dcmf_status.dcmf1 = INVALID_DCMF_STATUS;
priv->dcmf_status.dcmf2 = INVALID_DCMF_STATUS;
priv->dcmf_status.dcmf3 = INVALID_DCMF_STATUS;
+ priv->max_retry = INVALID_RETRY_COUNTER;
+ priv->spt0_address = INVALID_SPT_ADDRESS;
+ priv->spt1_address = INVALID_SPT_ADDRESS;
mutex_init(&priv->lock);
priv->chan = stratix10_svc_request_channel_byname(&priv->client,
stratix10_svc_free_channel(priv->chan);
}
+ priv->get_spt_response_buf =
+ stratix10_svc_allocate_memory(priv->chan, RSU_GET_SPT_RESP_LEN);
+
+ if (IS_ERR(priv->get_spt_response_buf)) {
+ dev_err(dev, "failed to allocate get spt buffer\n");
+ } else {
+ ret = rsu_send_msg(priv, COMMAND_MBOX_SEND_CMD,
+ RSU_GET_SPT_CMD, rsu_get_spt_callback);
+ if (ret) {
+ dev_err(dev, "Error, getting SPT table %i\n", ret);
+ stratix10_svc_free_channel(priv->chan);
+ }
+ }
+
return ret;
}
#define DIMM_IDX_MAX_ON_ICX 2
#define CHAN_RANK_MAX_ON_ICXD 4
#define DIMM_IDX_MAX_ON_ICXD 2
+ #define CHAN_RANK_MAX_ON_SPR 8
+ #define DIMM_IDX_MAX_ON_SPR 2
#define CHAN_RANK_MAX CHAN_RANK_MAX_ON_HSX
#define DIMM_IDX_MAX DIMM_IDX_MAX_ON_HSX
{
int chan_rank_max = priv->gen_info->chan_rank_max;
int dimm_idx_max = priv->gen_info->dimm_idx_max;
- u32 chan_rank_empty = 0;
- u32 dimm_mask = 0;
- int chan_rank, dimm_idx, ret;
+ DECLARE_BITMAP(dimm_mask, DIMM_NUMS_MAX);
+ DECLARE_BITMAP(chan_rank_empty, CHAN_RANK_MAX);
+
+ int chan_rank, dimm_idx, ret, i;
u32 pcs;
- BUILD_BUG_ON(BITS_PER_TYPE(chan_rank_empty) < CHAN_RANK_MAX);
- BUILD_BUG_ON(BITS_PER_TYPE(dimm_mask) < DIMM_NUMS_MAX);
if (chan_rank_max * dimm_idx_max > DIMM_NUMS_MAX) {
WARN_ONCE(1, "Unsupported number of DIMMs - chan_rank_max: %d, dimm_idx_max: %d",
chan_rank_max, dimm_idx_max);
return -EINVAL;
}
+ bitmap_zero(dimm_mask, DIMM_NUMS_MAX);
+ bitmap_zero(chan_rank_empty, CHAN_RANK_MAX);
+
for (chan_rank = 0; chan_rank < chan_rank_max; chan_rank++) {
ret = peci_pcs_read(priv->peci_dev, PECI_PCS_DDR_DIMM_TEMP, chan_rank, &pcs);
if (ret) {
* detection to be performed at a later point in time.
*/
if (ret == -EINVAL) {
- chan_rank_empty |= BIT(chan_rank);
+ bitmap_set(chan_rank_empty, chan_rank, 1);
continue;
}
for (dimm_idx = 0; dimm_idx < dimm_idx_max; dimm_idx++)
if (__dimm_temp(pcs, dimm_idx))
- dimm_mask |= BIT(chan_rank * dimm_idx_max + dimm_idx);
+ bitmap_set(dimm_mask, chan_rank * dimm_idx_max + dimm_idx, 1);
}
/*
* host platform boot. Retrying a couple of times lets us make sure
* that the state is persistent.
*/
- if (chan_rank_empty == GENMASK(chan_rank_max - 1, 0)) {
+ if (bitmap_full(chan_rank_empty, chan_rank_max)) {
if (priv->no_dimm_retry_count < NO_DIMM_RETRY_COUNT_MAX) {
priv->no_dimm_retry_count++;
* It's possible that memory training is not done yet. In this case we
* defer the detection to be performed at a later point in time.
*/
- if (!dimm_mask) {
+ if (bitmap_empty(dimm_mask, DIMM_NUMS_MAX)) {
priv->no_dimm_retry_count = 0;
return -EAGAIN;
}
- dev_dbg(priv->dev, "Scanned populated DIMMs: %#x\n", dimm_mask);
+ for_each_set_bit(i, dimm_mask, DIMM_NUMS_MAX) {
+ dev_dbg(priv->dev, "Found DIMM%#x\n", i);
+ }
- bitmap_from_arr32(priv->dimm_mask, &dimm_mask, DIMM_NUMS_MAX);
+ bitmap_copy(priv->dimm_mask, dimm_mask, DIMM_NUMS_MAX);
return 0;
}
return 0;
}
+ static int
+ read_thresholds_spr(struct peci_dimmtemp *priv, int dimm_order, int chan_rank, u32 *data)
+ {
+ u32 reg_val;
+ u64 offset;
+ int ret;
+ u8 dev;
+
+ ret = peci_ep_pci_local_read(priv->peci_dev, 0, 30, 0, 2, 0xd4, ®_val);
+ if (ret || !(reg_val & BIT(31)))
+ return -ENODATA; /* Use default or previous value */
+
+ ret = peci_ep_pci_local_read(priv->peci_dev, 0, 30, 0, 2, 0xd0, ®_val);
+ if (ret)
+ return -ENODATA; /* Use default or previous value */
+
+ /*
+ * Device 26, Offset 219a8: IMC 0 channel 0 -> rank 0
+ * Device 26, Offset 299a8: IMC 0 channel 1 -> rank 1
+ * Device 27, Offset 219a8: IMC 1 channel 0 -> rank 2
+ * Device 27, Offset 299a8: IMC 1 channel 1 -> rank 3
+ * Device 28, Offset 219a8: IMC 2 channel 0 -> rank 4
+ * Device 28, Offset 299a8: IMC 2 channel 1 -> rank 5
+ * Device 29, Offset 219a8: IMC 3 channel 0 -> rank 6
+ * Device 29, Offset 299a8: IMC 3 channel 1 -> rank 7
+ */
+ dev = 26 + chan_rank / 2;
+ offset = 0x219a8 + dimm_order * 4 + (chan_rank % 2) * 0x8000;
+
+ ret = peci_mmio_read(priv->peci_dev, 0, GET_CPU_SEG(reg_val), GET_CPU_BUS(reg_val),
+ dev, 0, offset, data);
+ if (ret)
+ return ret;
+
+ return 0;
+ }
+
static const struct dimm_info dimm_hsx = {
.chan_rank_max = CHAN_RANK_MAX_ON_HSX,
.dimm_idx_max = DIMM_IDX_MAX_ON_HSX,
.read_thresholds = &read_thresholds_icx,
};
+ static const struct dimm_info dimm_spr = {
+ .chan_rank_max = CHAN_RANK_MAX_ON_SPR,
+ .dimm_idx_max = DIMM_IDX_MAX_ON_SPR,
+ .min_peci_revision = 0x40,
+ .read_thresholds = &read_thresholds_spr,
+ };
+
static const struct auxiliary_device_id peci_dimmtemp_ids[] = {
{
.name = "peci_cpu.dimmtemp.hsx",
.name = "peci_cpu.dimmtemp.icxd",
.driver_data = (kernel_ulong_t)&dimm_icxd,
},
+ {
+ .name = "peci_cpu.dimmtemp.spr",
+ .driver_data = (kernel_ulong_t)&dimm_spr,
+ },
{ }
};
MODULE_DEVICE_TABLE(auxiliary, peci_dimmtemp_ids);
projects / linux.git / commitdiff