B: https://bugzilla.kernel.org
F: drivers/acpi/acpi_video.c
+ACPI VIOT DRIVER
+S: Maintained
+F: drivers/acpi/viot.c
+F: include/linux/acpi_viot.h
+
ACPI WMI DRIVER
S: Orphan
S: Supported
-T: git git://people.freedesktop.org/~agd5f/linux
+T: git https://gitlab.freedesktop.org/agd5f/linux.git
F: drivers/gpu/drm/amd/display/
AMD FAM15H PROCESSOR POWER MONITORING DRIVER
S: Supported
-T: git git://people.freedesktop.org/~agd5f/linux
+T: git https://gitlab.freedesktop.org/agd5f/linux.git
F: drivers/gpu/drm/amd/pm/powerplay/
AMD SEATTLE DEVICE TREE SUPPORT
AMD SENSOR FUSION HUB DRIVER
-M: Sandeep Singh <sandeep.singh@amd.com>
+M: Basavaraj Natikar <basavaraj.natikar@amd.com>
S: Maintained
F: Documentation/hid/amd-sfh*
F: drivers/net/ethernet/aquantia/atlantic/aq_ptp*
ARASAN NAND CONTROLLER DRIVER
S: Maintained
F: drivers/amba/
F: include/linux/amba/bus.h
+ ARM PRIMECELL PL35X NAND CONTROLLER DRIVER
+ S: Maintained
+ F: Documentation/devicetree/bindings/mtd/arm,pl353-nand-r2p1.yaml
+ F: drivers/mtd/nand/raw/pl35x-nand-controller.c
+
+ ARM PRIMECELL PL35X SMC DRIVER
+ S: Maintained
+ F: Documentation/devicetree/bindings/mtd/arm,pl353-smc.yaml
+ F: drivers/memory/pl353-smc.c
+
ARM PRIMECELL CLCD PL110 DRIVER
S: Odd Fixes
T: git https://github.com/AsahiLinux/linux.git
F: Documentation/devicetree/bindings/arm/apple.yaml
F: Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
+F: Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml
F: arch/arm64/boot/dts/apple/
F: drivers/irqchip/irq-apple-aic.c
F: include/dt-bindings/interrupt-controller/apple-aic.h
+F: include/dt-bindings/pinctrl/apple.h
ARM/ARTPEC MACHINE SUPPORT
F: Documentation/devicetree/bindings/pinctrl/cortina,gemini-pinctrl.txt
F: Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt
F: arch/arm/mach-gemini/
+F: drivers/crypto/gemini/
F: drivers/net/ethernet/cortina/
F: drivers/pinctrl/pinctrl-gemini.c
F: drivers/rtc/rtc-ftrtc010.c
ARM/CZ.NIC TURRIS SUPPORT
S: Maintained
W: https://www.turris.cz/
F: Documentation/ABI/testing/debugfs-moxtet
F: Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml
F: arch/arm/mach-ixp4xx/
F: drivers/clocksource/timer-ixp4xx.c
+F: drivers/crypto/ixp4xx_crypto.c
F: drivers/gpio/gpio-ixp4xx.c
F: drivers/irqchip/irq-ixp4xx.c
F: include/linux/irqchip/irq-ixp4xx.h
BROADCOM NETXTREME-E ROCE DRIVER
S: Supported
S: Maintained
W: http://btrfs.wiki.kernel.org/
Q: http://patchwork.kernel.org/project/linux-btrfs/list/
+C: irc://irc.libera.chat/btrfs
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git
F: Documentation/filesystems/btrfs.rst
F: fs/btrfs/
F: Documentation/devicetree/bindings/arm/cavium-thunder2.txt
F: arch/arm64/boot/dts/cavium/thunder2-99xx*
+CBS/ETF/TAPRIO QDISCS
+S: Maintained
+F: net/sched/sch_cbs.c
+F: net/sched/sch_etf.c
+F: net/sched/sch_taprio.c
+
CC2520 IEEE-802.15.4 RADIO DRIVER
F: scripts/clang-tools/
K: \b(?i:clang|llvm)\b
+CLANG CONTROL FLOW INTEGRITY SUPPORT
+S: Supported
+B: https://github.com/ClangBuiltLinux/linux/issues
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/clang/features
+F: include/linux/cfi.h
+F: kernel/cfi.c
+
CLEANCACHE API
F: drivers/video/console/
F: include/linux/console*
+CONTEXT TRACKING
+S: Maintained
+F: kernel/context_tracking.c
+F: include/linux/context_tracking*
+
CONTROL GROUP (CGROUP)
S: Maintained
-F: drivers/platform/x86/dell/dell-wmi.c
+F: drivers/platform/x86/dell/dell-wmi-base.c
+
+DELL WMI HARDWARE PRIVACY SUPPORT
+S: Maintained
+F: drivers/platform/x86/dell/dell-wmi-privacy.c
DELTA ST MEDIA DRIVER
T: git git://linuxtv.org/media_tree.git
F: drivers/media/platform/sti/delta
+DELTA DPS920AB PSU DRIVER
+S: Maintained
+F: Documentation/hwmon/dps920ab.rst
+F: drivers/hwmon/pmbus/dps920ab.c
+
DENALI NAND DRIVER
S: Orphan
DPAA2 ETHERNET DRIVER
S: Maintained
F: Documentation/networking/device_drivers/ethernet/freescale/dpaa2/ethernet-driver.rst
F: drivers/gpu/drm/savage/
F: include/uapi/drm/savage_drm.h
+DRM DRIVER FOR SIMPLE FRAMEBUFFERS
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: drivers/gpu/drm/tiny/simpledrm.c
+
DRM DRIVER FOR SIS VIDEO CARDS
S: Orphan / Obsolete
F: drivers/gpu/drm/sis/
F: Documentation/devicetree/bindings/display/hisilicon/
F: drivers/gpu/drm/hisilicon/
+DRM DRIVER FOR HYPERV SYNTHETIC VIDEO DEVICE
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: drivers/gpu/drm/hyperv
+
DRM DRIVERS FOR LIMA
S: Maintained
-T: git git://people.freedesktop.org/~agd5f/linux
+T: git git://anongit.freedesktop.org/drm/drm-misc
F: drivers/gpu/drm/ttm/
F: include/drm/ttm/
F: fs/ecryptfs/
EDAC-AMD64
-S: Maintained
+S: Supported
F: drivers/edac/amd64_edac*
+F: drivers/edac/mce_amd*
EDAC-ARMADA
EMULEX ONECONNECT ROCE DRIVER
S: Odd Fixes
W: http://www.broadcom.com
W: http://www.broadcom.com
F: drivers/scsi/lpfc/
+EMULEX/BROADCOM EFCT FC/FCOE SCSI TARGET DRIVER
+S: Supported
+W: http://www.broadcom.com
+F: drivers/scsi/elx/
+
ENE CB710 FLASH CARD READER DRIVER
S: Maintained
EROFS FILE SYSTEM
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
F: Documentation/devicetree/bindings/net/qca,ar803x.yaml
F: Documentation/networking/phy.rst
F: drivers/net/mdio/
+F: drivers/net/mdio/acpi_mdio.c
+F: drivers/net/mdio/fwnode_mdio.c
F: drivers/net/mdio/of_mdio.c
F: drivers/net/pcs/
F: drivers/net/phy/
FANOTIFY
S: Maintained
F: fs/notify/fanotify/
S: Maintained
F: drivers/input/joystick/fsia6b.c
+FOCUSRITE SCARLETT GEN 2/3 MIXER DRIVER
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
+F: sound/usb/mixer_scarlett_gen2.c
+
FORCEDETH GIGABIT ETHERNET DRIVER
FREESCALE CAAM (Cryptographic Acceleration and Assurance Module) DRIVER
-M: Aymen Sghaier <aymen.sghaier@nxp.com>
+M: Pankaj Gupta <pankaj.gupta@nxp.com>
S: Maintained
F: Documentation/devicetree/bindings/crypto/fsl-sec4.txt
F: include/linux/fs_enet_pd.h
FREESCALE SOC SOUND DRIVERS
S: Supported
F: scripts/gdb/
+GEMINI CRYPTO DRIVER
+S: Maintained
+F: drivers/crypto/gemini/
+
GEMTEK FM RADIO RECEIVER DRIVER
S: Maintained
F: drivers/input/touchscreen/resistive-adc-touch.c
+GENERIC STRING LIBRARY
+S: Maintained
+F: lib/string.c
+F: lib/string_helpers.c
+F: lib/test_string.c
+F: lib/test-string_helpers.c
+
GENERIC UIO DRIVER FOR PCI DEVICES
S: Maintained
F: drivers/i2c/busses/i2c-icy.c
-IDE SUBSYSTEM
-S: Maintained
-Q: http://patchwork.ozlabs.org/project/linux-ide/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide.git
-F: Documentation/ide/
-F: drivers/ide/
-F: include/linux/ide.h
-
-IDE/ATAPI DRIVERS
-S: Orphan
-F: Documentation/cdrom/ide-cd.rst
-F: drivers/ide/ide-cd*
-
IDEAPAD LAPTOP EXTRAS DRIVER
S: Maintained
-F: Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
+F: Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.yaml
F: drivers/iio/multiplexer/iio-mux.c
IIO SCMI BASED DRIVER
F: drivers/net/ethernet/intel/
F: drivers/net/ethernet/intel/*/
F: include/linux/avf/virtchnl.h
+F: include/linux/net/intel/iidc.h
+
+INTEL ETHERNET PROTOCOL DRIVER FOR RDMA
+S: Supported
+F: drivers/infiniband/hw/irdma/
+F: include/uapi/rdma/irdma-abi.h
INTEL FRAMEBUFFER DRIVER (excluding 810 and 815)
F: Documentation/userspace-api/media/v4l/pixfmt-meta-intel-ipu3.rst
F: drivers/staging/media/ipu3/
+INTEL IXP4XX CRYPTO SUPPORT
+S: Maintained
+F: drivers/crypto/ixp4xx_crypto.c
+
INTEL IXP4XX QMGR, NPE, ETHERNET and HSS SUPPORT
S: Maintained
S: Supported
F: drivers/cpufreq/intel_pstate.c
-INTEL RDMA RNIC DRIVER
-S: Supported
-F: drivers/infiniband/hw/i40iw/
-F: include/uapi/rdma/i40iw-abi.h
-
INTEL SCU DRIVERS
S: Maintained
F: arch/x86/include/asm/intel_scu_ipc.h
F: drivers/platform/x86/intel_scu_*
+INTEL SKYLAKE INT3472 ACPI DEVICE DRIVER
+S: Maintained
+F: drivers/platform/x86/intel/int3472/
+
INTEL SPEED SELECT TECHNOLOGY
F: include/linux/firmware/intel/stratix10-svc-client.h
INTEL TELEMETRY DRIVER
+M: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
S: Maintained
S: Maintained
F: drivers/platform/x86/intel-wmi-thunderbolt.c
+INTEL WWAN IOSM DRIVER
+S: Maintained
+F: drivers/net/wwan/iosm/
+
INTEL(R) TRACE HUB
S: Supported
T: git git://linuxtv.org/anttip/media_tree.git
F: drivers/media/tuners/it913x*
+ITE IT66121 HDMI BRIDGE DRIVER
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml
+F: drivers/gpu/drm/bridge/ite-it66121.c
+
IVTV VIDEO4LINUX DRIVER
F: arch/arm64/include/uapi/asm/kvm*
F: arch/arm64/kvm/
F: include/kvm/arm_*
+F: tools/testing/selftests/kvm/*/aarch64/
+F: tools/testing/selftests/kvm/aarch64/
KERNEL VIRTUAL MACHINE FOR MIPS (KVM/mips)
F: drivers/mailbox/
F: include/linux/mailbox_client.h
F: include/linux/mailbox_controller.h
+F: include/dt-bindings/mailbox/
F: Documentation/devicetree/bindings/mailbox/
MAILBOX ARM MHUv2
MARVELL MV88X3310 PHY DRIVER
S: Maintained
F: drivers/net/phy/marvell10g.c
MEDIA DRIVERS FOR FREESCALE IMX7
S: Maintained
T: git git://linuxtv.org/media_tree.git
S: Supported
T: git git://linuxtv.org/media_tree.git
F: Documentation/devicetree/bindings/media/renesas,csi2.yaml
+F: Documentation/devicetree/bindings/media/renesas,isp.yaml
F: Documentation/devicetree/bindings/media/renesas,vin.yaml
F: drivers/media/platform/rcar-vin/
F: include/linux/pagewalk.h
F: include/linux/vmalloc.h
F: mm/
+F: tools/testing/selftests/vm/
MEMORY TECHNOLOGY DEVICES (MTD)
S: Supported
-F: Documentation/devicetree/bindings/media/atmel-isc.txt
+F: Documentation/devicetree/bindings/media/atmel,isc.yaml
+F: Documentation/devicetree/bindings/media/microchip,xisc.yaml
F: drivers/media/platform/atmel/atmel-isc-base.c
F: drivers/media/platform/atmel/atmel-isc-regs.h
F: drivers/media/platform/atmel/atmel-isc.h
F: drivers/media/platform/atmel/atmel-sama5d2-isc.c
+F: drivers/media/platform/atmel/atmel-sama7g5-isc.c
F: include/linux/atmel-isc-media.h
MICROCHIP ISI DRIVER
S: Maintained
W: https://github.com/linux-surface/surface-aggregator-module
-C: irc://chat.freenode.net/##linux-surface
+C: irc://irc.libera.chat/linux-surface
F: Documentation/driver-api/surface_aggregator/
F: drivers/platform/surface/aggregator/
F: drivers/platform/surface/surface_acpi_notify.c
F: drivers/media/pci/meye/
F: include/uapi/linux/meye.h
+MOTORCOMM PHY DRIVER
+S: Maintained
+F: drivers/net/phy/motorcomm.c
+
MOXA SMARTIO/INDUSTIO/INTELLIO SERIAL CARD
S: Orphan
F: Documentation/driver-api/serial/moxa-smartio.rst
F: drivers/net/ethernet/natsemi/natsemi.c
NCR 5380 SCSI DRIVERS
-M: Finn Thain <fthain@telegraphics.com.au>
+M: Finn Thain <fthain@linux-m68k.org>
S: Maintained
W: http://www.iptables.org/
W: http://www.nftables.org/
Q: http://patchwork.ozlabs.org/project/netfilter-devel/list/
+C: irc://irc.libera.chat/netfilter
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git
F: include/linux/netfilter*
F: include/linux/mfd/ntxec.h
NETRONOME ETHERNET DRIVERS
-M: Simon Horman <simon.horman@netronome.com>
+M: Simon Horman <simon.horman@corigine.com>
-L: oss-drivers@netronome.com
+L: oss-drivers@corigine.com
S: Maintained
F: drivers/net/ethernet/netronome/
S: Maintained
-W: http://www.linuxfoundation.org/en/Net
Q: https://patchwork.kernel.org/project/netdevbpf/list/
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
S: Maintained
-W: http://www.linuxfoundation.org/en/Net
Q: https://patchwork.kernel.org/project/netdevbpf/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
F: net/ipv4/nexthop.c
NFC SUBSYSTEM
-S: Orphan
+S: Maintained
F: Documentation/devicetree/bindings/net/nfc/
F: drivers/nfc/
F: include/linux/platform_data/nfcmrvl.h
NFC VIRTUAL NCI DEVICE DRIVER
S: Supported
F: drivers/nfc/virtual_ncidev.c
F: tools/testing/selftests/nci/
F: fs/ntfs/
NUBUS SUBSYSTEM
-M: Finn Thain <fthain@telegraphics.com.au>
+M: Finn Thain <fthain@linux-m68k.org>
S: Maintained
F: arch/*/include/asm/nubus.h
S: Maintained
F: drivers/net/dsa/sja1105
+F: drivers/net/pcs/pcs-xpcs-nxp.c
NXP TDA998X DRM DRIVER
F: Documentation/devicetree/bindings/sound/tfa9879.txt
F: sound/soc/codecs/tfa9879*
+NXP/Goodix TFA989X (TFA1) DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/sound/nxp,tfa989x.yaml
+F: sound/soc/codecs/tfa989x.c
+
NXP-NCI NFC DRIVER
S: Supported
F: drivers/nfc/nxp-nci
S: Maintained
-F: Documentation/devicetree/bindings/i2c/i2c-omap.txt
+F: Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml
F: drivers/i2c/busses/i2c-omap.c
OMAP IMAGING SUBSYSTEM (OMAP3 ISP and OMAP4 ISS)
PCI ENDPOINT SUBSYSTEM
S: Supported
F: Documentation/PCI/endpoint/*
PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS
S: Supported
Q: http://patchwork.ozlabs.org/project/linux-pci/list/
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu.git
F: arch/*/include/asm/percpu.h
F: include/linux/percpu*.h
+F: lib/percpu*.c
F: mm/percpu*.c
PER-TASK DELAY ACCOUNTING
F: Documentation/devicetree/bindings/opp/qcom-nvmem-cpufreq.txt
F: drivers/cpufreq/qcom-cpufreq-nvmem.c
+QUALCOMM CRYPTO DRIVERS
+S: Maintained
+F: drivers/crypto/qce/
+
QUALCOMM EMAC GIGABIT ETHERNET DRIVER
RADEON and AMDGPU DRM DRIVERS
S: Supported
T: git https://gitlab.freedesktop.org/agd5f/linux.git
F: include/uapi/linux/rpmsg.h
F: samples/rpmsg/
+REMOTE PROCESSOR MESSAGING (RPMSG) WWAN CONTROL DRIVER
+S: Maintained
+F: drivers/net/wwan/rpmsg_wwan_ctrl.c
+
RENESAS CLOCK DRIVERS
RENESAS EMEV2 I2C DRIVER
S: Supported
-F: Documentation/devicetree/bindings/i2c/renesas,iic-emev2.txt
+F: Documentation/devicetree/bindings/i2c/renesas,iic-emev2.yaml
F: drivers/i2c/busses/i2c-emev2.c
RENESAS ETHERNET DRIVERS
RENESAS R-CAR I2C DRIVERS
S: Supported
-F: Documentation/devicetree/bindings/i2c/renesas,i2c.txt
-F: Documentation/devicetree/bindings/i2c/renesas,iic.txt
+F: Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml
+F: Documentation/devicetree/bindings/i2c/renesas,rmobile-iic.yaml
F: drivers/i2c/busses/i2c-rcar.c
F: drivers/i2c/busses/i2c-sh_mobile.c
RENESAS RIIC DRIVER
S: Supported
-F: Documentation/devicetree/bindings/i2c/renesas,riic.txt
+F: Documentation/devicetree/bindings/i2c/renesas,riic.yaml
F: drivers/i2c/busses/i2c-riic.c
RENESAS USB PHY DRIVER
N: riscv
K: riscv
+RISC-V/MICROCHIP POLARFIRE SOC SUPPORT
+S: Supported
+F: drivers/mailbox/mailbox-mpfs.c
+F: drivers/soc/microchip/
+F: include/soc/microchip/mpfs.h
+
RNBD BLOCK DRIVERS
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/s390/net/*iucv*
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/s390/net/
SAMSUNG S3FWRN5 NFC DRIVER
S: Maintained
F: Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml
F: drivers/nfc/s3fwrn5
SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/ssb/
F: include/linux/ssb/
+SONY IMX208 SENSOR DRIVER
+S: Maintained
+T: git git://linuxtv.org/media_tree.git
+F: drivers/media/i2c/imx208.c
+
SONY IMX214 SENSOR DRIVER
S: Maintained
F: drivers/i2c/busses/i2c-stm32*
+ST STM32 SPI DRIVER
+S: Maintained
+F: drivers/spi/spi-stm32.c
+
ST STPDDC60 DRIVER
S: Supported
F: drivers/net/pcs/pcs-xpcs.c
+F: drivers/net/pcs/pcs-xpcs.h
F: include/linux/pcs/pcs-xpcs.h
SYNOPSYS DESIGNWARE I2C DRIVER
S: Maintained
F: drivers/i2c/busses/i2c-designware-*
-F: include/linux/platform_data/i2c-designware.h
SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER
S: Maintained
-F: Documentation/devicetree/bindings/arm/arm,sc[mp]i.txt
+F: Documentation/devicetree/bindings/firmware/arm,sc[mp]i.yaml
F: drivers/clk/clk-sc[mp]i.c
F: drivers/cpufreq/sc[mp]i-cpufreq.c
F: drivers/firmware/arm_scmi/
S: Maintained
F: Documentation/devicetree/bindings/arm/keystone/ti,k3-sci-common.yaml
F: Documentation/devicetree/bindings/arm/keystone/ti,sci.txt
-F: Documentation/devicetree/bindings/clock/ti,sci-clk.txt
+F: Documentation/devicetree/bindings/clock/ti,sci-clk.yaml
F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.yaml
F: Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.yaml
-F: Documentation/devicetree/bindings/reset/ti,sci-reset.txt
-F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
+F: Documentation/devicetree/bindings/reset/ti,sci-reset.yaml
+F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
F: drivers/clk/keystone/sci-clk.c
F: drivers/firmware/ti_sci*
F: drivers/irqchip/irq-ti-sci-inta.c
T: git git://repo.or.cz/linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git
F: drivers/platform/x86/thinkpad_acpi.c
+THINKPAD LMI DRIVER
+S: Maintained
+F: Documentation/ABI/testing/sysfs-class-firmware-attributes
+F: drivers/platform/x86/think-lmi.?
+
THUNDERBOLT DMA TRAFFIC TEST DRIVER
TI TRF7970A NFC DRIVER
S: Supported
F: Documentation/devicetree/bindings/net/nfc/trf7970a.txt
F: drivers/nfc/trf7970a.c
F: drivers/usb/host/isp116x*
F: include/linux/usb/isp116x.h
+USB ISP1760 DRIVER
+S: Maintained
+F: drivers/usb/isp1760/*
+F: Documentation/devicetree/bindings/usb/nxp,isp1760.yaml
+
USB LAN78XX ETHERNET DRIVER
F: include/linux/regulator/
K: regulator_get_optional
+VOLTAGE AND CURRENT REGULATOR IRQ HELPERS
+F: drivers/regulator/irq_helpers.c
+
VRF
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk.git
F: Documentation/core-api/printk-formats.rst
F: lib/test_printf.c
+F: lib/test_scanf.c
F: lib/vsprintf.c
VT1211 HARDWARE MONITOR DRIVER
F: include/linux/workqueue.h
F: kernel/workqueue.c
+WWAN DRIVERS
+S: Maintained
+F: drivers/net/wwan/
+F: include/linux/wwan.h
+F: include/uapi/linux/wwan.h
+
X-POWERS AXP288 PMIC DRIVERS
S: Maintained
F: drivers/xen/*swiotlb*
XFS FILESYSTEM
+C: irc://irc.oftc.net/xfs
S: Maintained
-F: include/linux/zbud.h
F: mm/zbud.c
ZD1211RW WIRELESS DRIVER
return 0;
}
- static int spinand_init_cfg_cache(struct spinand_device *spinand)
+ static int spinand_read_cfg(struct spinand_device *spinand)
{
struct nand_device *nand = spinand_to_nand(spinand);
- struct device *dev = &spinand->spimem->spi->dev;
unsigned int target;
int ret;
- spinand->cfg_cache = devm_kcalloc(dev,
- nand->memorg.ntargets,
- sizeof(*spinand->cfg_cache),
- GFP_KERNEL);
- if (!spinand->cfg_cache)
- return -ENOMEM;
-
for (target = 0; target < nand->memorg.ntargets; target++) {
ret = spinand_select_target(spinand, target);
if (ret)
return 0;
}
+ static int spinand_init_cfg_cache(struct spinand_device *spinand)
+ {
+ struct nand_device *nand = spinand_to_nand(spinand);
+ struct device *dev = &spinand->spimem->spi->dev;
+
+ spinand->cfg_cache = devm_kcalloc(dev,
+ nand->memorg.ntargets,
+ sizeof(*spinand->cfg_cache),
+ GFP_KERNEL);
+ if (!spinand->cfg_cache)
+ return -ENOMEM;
+
+ return 0;
+ }
+
static int spinand_init_quad_enable(struct spinand_device *spinand)
{
bool enable = false;
{
struct spinand_ondie_ecc_conf *engine_conf = nand->ecc.ctx.priv;
struct spinand_device *spinand = nand_to_spinand(nand);
+ struct mtd_info *mtd = spinand_to_mtd(spinand);
+ int ret;
if (req->mode == MTD_OPS_RAW)
return 0;
return 0;
/* Finish a page write: check the status, report errors/bitflips */
- return spinand_check_ecc_status(spinand, engine_conf->status);
+ ret = spinand_check_ecc_status(spinand, engine_conf->status);
+ if (ret == -EBADMSG)
+ mtd->ecc_stats.failed++;
+ else if (ret > 0)
+ mtd->ecc_stats.corrected += ret;
+
+ return ret;
}
static struct nand_ecc_engine_ops spinand_ondie_ecc_engine_ops = {
return spi_mem_exec_op(spinand->spimem, &op);
}
-static int spinand_wait(struct spinand_device *spinand, u8 *s)
+static int spinand_wait(struct spinand_device *spinand,
+ unsigned long initial_delay_us,
+ unsigned long poll_delay_us,
+ u8 *s)
{
- unsigned long timeo = jiffies + msecs_to_jiffies(400);
+ struct spi_mem_op op = SPINAND_GET_FEATURE_OP(REG_STATUS,
+ spinand->scratchbuf);
u8 status;
int ret;
- do {
- ret = spinand_read_status(spinand, &status);
- if (ret)
- return ret;
+ ret = spi_mem_poll_status(spinand->spimem, &op, STATUS_BUSY, 0,
+ initial_delay_us,
+ poll_delay_us,
+ SPINAND_WAITRDY_TIMEOUT_MS);
+ if (ret)
+ return ret;
- if (!(status & STATUS_BUSY))
- goto out;
- } while (time_before(jiffies, timeo));
+ status = *spinand->scratchbuf;
+ if (!(status & STATUS_BUSY))
+ goto out;
/*
* Extra read, just in case the STATUS_READY bit has changed
if (ret)
return ret;
- return spinand_wait(spinand, NULL);
+ return spinand_wait(spinand,
+ SPINAND_RESET_INITIAL_DELAY_US,
+ SPINAND_RESET_POLL_DELAY_US,
+ NULL);
}
static int spinand_lock_block(struct spinand_device *spinand, u8 lock)
if (ret)
return ret;
- ret = spinand_wait(spinand, &status);
+ ret = spinand_wait(spinand,
+ SPINAND_READ_INITIAL_DELAY_US,
+ SPINAND_READ_POLL_DELAY_US,
+ &status);
if (ret < 0)
return ret;
if (ret)
return ret;
- ret = spinand_wait(spinand, &status);
+ ret = spinand_wait(spinand,
+ SPINAND_WRITE_INITIAL_DELAY_US,
+ SPINAND_WRITE_POLL_DELAY_US,
+ &status);
if (!ret && (status & STATUS_PROG_FAILED))
return -EIO;
if (ret < 0 && ret != -EBADMSG)
break;
- if (ret == -EBADMSG) {
+ if (ret == -EBADMSG)
ecc_failed = true;
- mtd->ecc_stats.failed++;
- } else {
- mtd->ecc_stats.corrected += ret;
+ else
max_bitflips = max_t(unsigned int, max_bitflips, ret);
- }
ret = 0;
ops->retlen += iter.req.datalen;
if (ret)
return ret;
- ret = spinand_wait(spinand, &status);
+ ret = spinand_wait(spinand,
+ SPINAND_ERASE_INITIAL_DELAY_US,
+ SPINAND_ERASE_POLL_DELAY_US,
+ &status);
+
if (!ret && (status & STATUS_ERASE_FAILED))
ret = -EIO;
return 0;
}
+ static int spinand_init_flash(struct spinand_device *spinand)
+ {
+ struct device *dev = &spinand->spimem->spi->dev;
+ struct nand_device *nand = spinand_to_nand(spinand);
+ int ret, i;
+
+ ret = spinand_read_cfg(spinand);
+ if (ret)
+ return ret;
+
+ ret = spinand_init_quad_enable(spinand);
+ if (ret)
+ return ret;
+
+ ret = spinand_upd_cfg(spinand, CFG_OTP_ENABLE, 0);
+ if (ret)
+ return ret;
+
+ ret = spinand_manufacturer_init(spinand);
+ if (ret) {
+ dev_err(dev,
+ "Failed to initialize the SPI NAND chip (err = %d)\n",
+ ret);
+ return ret;
+ }
+
+ /* After power up, all blocks are locked, so unlock them here. */
+ for (i = 0; i < nand->memorg.ntargets; i++) {
+ ret = spinand_select_target(spinand, i);
+ if (ret)
+ break;
+
+ ret = spinand_lock_block(spinand, BL_ALL_UNLOCKED);
+ if (ret)
+ break;
+ }
+
+ if (ret)
+ spinand_manufacturer_cleanup(spinand);
+
+ return ret;
+ }
+
+ static void spinand_mtd_resume(struct mtd_info *mtd)
+ {
+ struct spinand_device *spinand = mtd_to_spinand(mtd);
+ int ret;
+
+ ret = spinand_reset_op(spinand);
+ if (ret)
+ return;
+
+ ret = spinand_init_flash(spinand);
+ if (ret)
+ return;
+
+ spinand_ecc_enable(spinand, false);
+ }
+
static int spinand_init(struct spinand_device *spinand)
{
struct device *dev = &spinand->spimem->spi->dev;
struct mtd_info *mtd = spinand_to_mtd(spinand);
struct nand_device *nand = mtd_to_nanddev(mtd);
- int ret, i;
+ int ret;
/*
* We need a scratch buffer because the spi_mem interface requires that
if (ret)
goto err_free_bufs;
- ret = spinand_init_quad_enable(spinand);
+ ret = spinand_init_flash(spinand);
if (ret)
goto err_free_bufs;
- ret = spinand_upd_cfg(spinand, CFG_OTP_ENABLE, 0);
- if (ret)
- goto err_free_bufs;
-
- ret = spinand_manufacturer_init(spinand);
- if (ret) {
- dev_err(dev,
- "Failed to initialize the SPI NAND chip (err = %d)\n",
- ret);
- goto err_free_bufs;
- }
-
ret = spinand_create_dirmaps(spinand);
if (ret) {
dev_err(dev,
goto err_manuf_cleanup;
}
- /* After power up, all blocks are locked, so unlock them here. */
- for (i = 0; i < nand->memorg.ntargets; i++) {
- ret = spinand_select_target(spinand, i);
- if (ret)
- goto err_manuf_cleanup;
-
- ret = spinand_lock_block(spinand, BL_ALL_UNLOCKED);
- if (ret)
- goto err_manuf_cleanup;
- }
-
ret = nanddev_init(nand, &spinand_ops, THIS_MODULE);
if (ret)
goto err_manuf_cleanup;
mtd->_block_isreserved = spinand_mtd_block_isreserved;
mtd->_erase = spinand_mtd_erase;
mtd->_max_bad_blocks = nanddev_mtd_max_bad_blocks;
+ mtd->_resume = spinand_mtd_resume;
if (nand->ecc.engine) {
ret = mtd_ooblayout_count_freebytes(mtd);