M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
M: Len Brown <lenb@kernel.org>
L: linux-acpi@vger.kernel.org
+R: James Morse <james.morse@arm.com>
R: Tony Luck <tony.luck@intel.com>
R: Borislav Petkov <bp@alien8.de>
F: drivers/acpi/apei/
M: Hanjun Guo <hanjun.guo@linaro.org>
M: Sudeep Holla <sudeep.holla@arm.com>
L: linux-acpi@vger.kernel.org
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: drivers/acpi/arm64
F: Documentation/hwmon/fam15h_power
F: drivers/hwmon/fam15h_power.c
+AMD FCH GPIO DRIVER
+M: Enrico Weigelt, metux IT consult <info@metux.net>
+L: linux-gpio@vger.kernel.org
+S: Maintained
+F: drivers/gpio/gpio-amd-fch.c
+F: include/linux/platform_data/gpio/gpio-amd-fch.h
+
AMD GEODE CS5536 USB DEVICE CONTROLLER DRIVER
L: linux-geode@lists.infradead.org (moderated for non-subscribers)
S: Orphan
F: drivers/iio/adc/ad7124.c
F: Documentation/devicetree/bindings/iio/adc/adi,ad7124.txt
+ANALOG DEVICES INC AD7606 DRIVER
+M: Stefan Popa <stefan.popa@analog.com>
+L: linux-iio@vger.kernel.org
+W: http://ez.analog.com/community/linux-device-drivers
+S: Supported
+F: drivers/iio/adc/ad7606.c
+F: Documentation/devicetree/bindings/iio/adc/ad7606.txt
+
+ANALOG DEVICES INC AD7768-1 DRIVER
+M: Stefan Popa <stefan.popa@analog.com>
+L: linux-iio@vger.kernel.org
+W: http://ez.analog.com/community/linux-device-drivers
+S: Supported
+F: drivers/iio/adc/ad7768-1.c
+F: Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.txt
+
ANALOG DEVICES INC AD9389B DRIVER
M: Hans Verkuil <hans.verkuil@cisco.com>
L: linux-media@vger.kernel.org
F: net/appletalk/
APPLIED MICRO (APM) X-GENE DEVICE TREE SUPPORT
-M: Duc Dang <dhdang@apm.com>
+M: Khuong Dinh <khuong@os.amperecomputing.com>
S: Supported
F: arch/arm64/boot/dts/apm/
APPLIED MICRO (APM) X-GENE SOC EDAC
-M: Loc Ho <lho@apm.com>
+M: Khuong Dinh <khuong@os.amperecomputing.com>
S: Supported
F: drivers/edac/xgene_edac.c
F: Documentation/devicetree/bindings/edac/apm-xgene-edac.txt
APPLIED MICRO (APM) X-GENE SOC ETHERNET (V2) DRIVER
-M: Iyappan Subramanian <isubramanian@apm.com>
-M: Keyur Chudgar <kchudgar@apm.com>
+M: Iyappan Subramanian <iyappan@os.amperecomputing.com>
+M: Keyur Chudgar <keyur@os.amperecomputing.com>
S: Supported
F: drivers/net/ethernet/apm/xgene-v2/
APPLIED MICRO (APM) X-GENE SOC ETHERNET DRIVER
-M: Iyappan Subramanian <isubramanian@apm.com>
-M: Keyur Chudgar <kchudgar@apm.com>
-M: Quan Nguyen <qnguyen@apm.com>
+M: Iyappan Subramanian <iyappan@os.amperecomputing.com>
+M: Keyur Chudgar <keyur@os.amperecomputing.com>
+M: Quan Nguyen <quan@os.amperecomputing.com>
S: Supported
F: drivers/net/ethernet/apm/xgene/
F: drivers/net/phy/mdio-xgene.c
F: Documentation/devicetree/bindings/net/apm-xgene-mdio.txt
APPLIED MICRO (APM) X-GENE SOC PMU
-M: Tai Nguyen <ttnguyen@apm.com>
+M: Khuong Dinh <khuong@os.amperecomputing.com>
S: Supported
F: drivers/perf/xgene_pmu.c
F: Documentation/perf/xgene-pmu.txt
F: drivers/gpu/drm/arm/hdlcd_*
F: Documentation/devicetree/bindings/display/arm,hdlcd.txt
+ARM KOMEDA DRM-KMS DRIVER
+M: James (Qian) Wang <james.qian.wang@arm.com>
+M: Liviu Dudau <liviu.dudau@arm.com>
+L: Mali DP Maintainers <malidp@foss.arm.com>
+S: Supported
+T: git git://linux-arm.org/linux-ld.git for-upstream/mali-dp
+F: drivers/gpu/drm/arm/display/include/
+F: drivers/gpu/drm/arm/display/komeda/
+F: Documentation/devicetree/bindings/display/arm/arm,komeda.txt
+F: Documentation/gpu/komeda-kms.rst
+
ARM MALI-DP DRM DRIVER
M: Liviu Dudau <liviu.dudau@arm.com>
M: Brian Starkey <brian.starkey@arm.com>
-M: Mali DP Maintainers <malidp@foss.arm.com>
+L: Mali DP Maintainers <malidp@foss.arm.com>
S: Supported
+T: git git://linux-arm.org/linux-ld.git for-upstream/mali-dp
F: drivers/gpu/drm/arm/
F: Documentation/devicetree/bindings/display/arm,malidp.txt
+F: Documentation/gpu/afbc.rst
ARM MFM AND FLOPPY DRIVERS
M: Ian Molton <spyro@f2s.com>
F: arch/arm*/include/asm/perf_event.h
F: drivers/perf/*
F: include/linux/perf/arm_pmu.h
-F: Documentation/devicetree/bindings/arm/pmu.txt
+F: Documentation/devicetree/bindings/arm/pmu.yaml
F: Documentation/devicetree/bindings/perf/
ARM PORT
F: arch/arm/boot/dts/aspeed-*
N: aspeed
+ARM/BITMAIN ARCHITECTURE
+M: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm64/boot/dts/bitmain/
+F: Documentation/devicetree/bindings/arm/bitmain.yaml
+
ARM/CALXEDA HIGHBANK ARCHITECTURE
M: Rob Herring <robh@kernel.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
M: Shawn Guo <shawnguo@kernel.org>
M: Sascha Hauer <s.hauer@pengutronix.de>
R: Pengutronix Kernel Team <kernel@pengutronix.de>
-R: Fabio Estevam <fabio.estevam@nxp.com>
+R: Fabio Estevam <festevam@gmail.com>
R: NXP Linux Team <linux-imx@nxp.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git
-F: arch/arm/mach-imx/
-F: arch/arm/mach-mxs/
-F: arch/arm/boot/dts/imx*
-F: arch/arm/configs/imx*_defconfig
-F: arch/arm64/boot/dts/freescale/imx*
-F: drivers/clk/imx/
-F: drivers/firmware/imx/
-F: drivers/soc/imx/
-F: include/linux/firmware/imx/
-F: include/soc/imx/
+N: imx
+N: mxs
+X: drivers/media/i2c/
ARM/FREESCALE VYBRID ARM ARCHITECTURE
M: Shawn Guo <shawnguo@kernel.org>
F: arch/arm/mach-mvebu/
F: arch/arm64/boot/dts/marvell/armada*
F: drivers/cpufreq/armada-37xx-cpufreq.c
+F: drivers/cpufreq/armada-8k-cpufreq.c
F: drivers/cpufreq/mvebu-cpufreq.c
F: drivers/irqchip/irq-armada-370-xp.c
F: drivers/irqchip/irq-mvebu-*
F: drivers/video/fbdev/nuc900fb.c
ARM/OPENMOKO NEO FREERUNNER (GTA02) MACHINE SUPPORT
-M: Nelson Castillo <arhuaco@freaks-unidos.net>
L: openmoko-kernel@lists.openmoko.org (subscribers-only)
W: http://wiki.openmoko.org/wiki/Neo_FreeRunner
-S: Supported
+S: Orphan
+F: arch/arm/mach-s3c24xx/mach-gta02.c
+F: arch/arm/mach-s3c24xx/gta02.h
ARM/Orion SoC/Technologic Systems TS-78xx platform support
M: Alexander Clouter <alex@digriz.org.uk>
L: linux-arm-msm@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/soc/qcom/
+F: Documentation/devicetree/bindings/*/qcom*
F: arch/arm/boot/dts/qcom-*.dts
F: arch/arm/boot/dts/qcom-*.dtsi
F: arch/arm/mach-qcom/
-F: arch/arm64/boot/dts/qcom/*
+F: arch/arm64/boot/dts/qcom/
+F: drivers/*/qcom/
+F: drivers/*/qcom*
+F: drivers/*/*/qcom/
+F: drivers/*/*/qcom*
+F: drivers/*/pm8???-*
+F: drivers/bluetooth/btqcomsmd.c
+F: drivers/clocksource/timer-qcom.c
+F: drivers/extcon/extcon-qcom*
+F: drivers/iommu/msm*
F: drivers/i2c/busses/i2c-qup.c
-F: drivers/clk/qcom/
-F: drivers/dma/qcom/
-F: drivers/soc/qcom/
+F: drivers/i2c/busses/i2c-qcom-geni.c
+F: drivers/mfd/ssbi.c
+F: drivers/mmc/host/mmci_qcom*
+F: drivers/mmc/host/sdhci_msm.c
+F: drivers/pci/controller/dwc/pcie-qcom.c
+F: drivers/phy/qualcomm/
+F: drivers/power/*/msm*
+F: drivers/reset/reset-qcom-*
+F: drivers/scsi/ufs/ufs-qcom.*
F: drivers/spi/spi-qup.c
+F: drivers/spi/spi-geni-qcom.c
+F: drivers/spi/spi-qcom-qspi.c
F: drivers/tty/serial/msm_serial.c
-F: drivers/*/pm8???-*
-F: drivers/mfd/ssbi.c
-F: drivers/firmware/qcom_scm*
+F: drivers/usb/dwc3/dwc3-qcom.c
+F: include/dt-bindings/*/qcom*
+F: include/linux/*/qcom*
T: git git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux.git
ARM/RADISYS ENP2611 MACHINE SUPPORT
T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
S: Supported
F: arch/arm64/boot/dts/renesas/
-F: Documentation/devicetree/bindings/arm/shmobile.txt
+F: Documentation/devicetree/bindings/arm/renesas.yaml
F: drivers/soc/renesas/
F: include/linux/soc/renesas/
F: Documentation/devicetree/bindings/media/s5p-cec.txt
ARM/SAMSUNG S5P SERIES JPEG CODEC SUPPORT
-M: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
+M: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
M: Jacek Anaszewski <jacek.anaszewski@gmail.com>
+M: Sylwester Nawrocki <s.nawrocki@samsung.com>
L: linux-arm-kernel@lists.infradead.org
L: linux-media@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
S: Supported
F: arch/arm/boot/dts/emev2*
+F: arch/arm/boot/dts/gr-peach*
+F: arch/arm/boot/dts/iwg20d-q7*
F: arch/arm/boot/dts/r7s*
F: arch/arm/boot/dts/r8a*
F: arch/arm/boot/dts/r9a*
F: arch/arm/configs/shmobile_defconfig
F: arch/arm/include/debug/renesas-scif.S
F: arch/arm/mach-shmobile/
-F: Documentation/devicetree/bindings/arm/shmobile.txt
+F: Documentation/devicetree/bindings/arm/renesas.yaml
F: drivers/soc/renesas/
F: include/linux/soc/renesas/
S: Maintained
F: Documentation/devicetree/bindings/eeprom/at24.txt
F: drivers/misc/eeprom/at24.c
-F: include/linux/platform_data/at24.h
ATA OVER ETHERNET (AOE) DRIVER
M: "Ed L. Cashin" <ed.cashin@acm.org>
S: Maintained
F: arch/*/include/asm/atomic*.h
F: include/*/atomic*.h
+F: scripts/atomic/
ATTO EXPRESSSAS SAS/SATA RAID SCSI DRIVER
M: Bradley Grove <linuxdrivers@attotech.com>
S: Maintained
F: arch/powerpc/net/
+BPF JIT for RISC-V (RV64G)
+M: Björn Töpel <bjorn.topel@gmail.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: arch/riscv/net/
+
BPF JIT for S390
M: Martin Schwidefsky <schwidefsky@de.ibm.com>
M: Heiko Carstens <heiko.carstens@de.ibm.com>
F: Documentation/devicetree/bindings/net/ieee802154/cc2520.txt
CCREE ARM TRUSTZONE CRYPTOCELL REE DRIVER
-M: Yael Chemla <yael.chemla@foss.arm.com>
M: Gilad Ben-Yossef <gilad@benyossef.com>
L: linux-crypto@vger.kernel.org
S: Supported
N: cros-ec
F: drivers/power/supply/cros_usbpd-charger.c
+CHROMEOS EC CODEC DRIVER
+M: Cheng-Yi Chiang <cychiang@chromium.org>
+S: Maintained
+R: Enric Balletbo i Serra <enric.balletbo@collabora.com>
+R: Guenter Roeck <groeck@chromium.org>
+F: Documentation/devicetree/bindings/sound/google,cros-ec-codec.txt
+F: sound/soc/codecs/cros_ec_codec.*
+
CIRRUS LOGIC AUDIO CODEC DRIVERS
M: Brian Austin <brian.austin@cirrus.com>
M: Paul Handrigan <Paul.Handrigan@cirrus.com>
S: Maintained
F: drivers/net/ethernet/cirrus/ep93xx_eth.c
+CIRRUS LOGIC LOCHNAGAR DRIVER
+M: Charles Keepax <ckeepax@opensource.cirrus.com>
+M: Richard Fitzgerald <rf@opensource.cirrus.com>
+L: patches@opensource.cirrus.com
+S: Supported
+F: drivers/clk/clk-lochnagar.c
+F: drivers/mfd/lochnagar-i2c.c
+F: drivers/pinctrl/cirrus/pinctrl-lochnagar.c
+F: drivers/regulator/lochnagar-regulator.c
+F: include/dt-bindings/clk/lochnagar.h
+F: include/dt-bindings/pinctrl/lochnagar.h
+F: include/linux/mfd/lochnagar*
+F: Documentation/devicetree/bindings/mfd/cirrus,lochnagar.txt
+F: Documentation/devicetree/bindings/clock/cirrus,lochnagar.txt
+F: Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.txt
+F: Documentation/devicetree/bindings/regulator/cirrus,lochnagar.txt
+
CISCO FCOE HBA DRIVER
M: Satish Kharat <satishkh@cisco.com>
M: Sesidhar Baddela <sebaddel@cisco.com>
L: cgroups@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
S: Maintained
-F: Documentation/cgroup*
+F: Documentation/admin-guide/cgroup-v2.rst
+F: Documentation/cgroup-v1/
F: include/linux/cgroup*
-F: kernel/cgroup*
+F: kernel/cgroup/
CONTROL GROUP - CPUSET
M: Li Zefan <lizefan@huawei.com>
L: linux-pm@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
-T: git git://git.linaro.org/people/vireshk/linux.git (For ARM Updates)
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git (For ARM Updates)
B: https://bugzilla.kernel.org
F: Documentation/admin-guide/pm/cpufreq.rst
F: Documentation/admin-guide/pm/intel_pstate.rst
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
B: https://bugzilla.kernel.org
F: Documentation/admin-guide/pm/cpuidle.rst
+F: Documentation/driver-api/pm/cpuidle.rst
F: drivers/cpuidle/*
F: include/linux/cpuidle.h
F: drivers/media/dvb-frontends/cxd2820r*
CXGB3 ETHERNET DRIVER (CXGB3)
-M: Arjun Vynipadath <arjun@chelsio.com>
+M: Vishal Kulkarni <vishal@chelsio.com>
L: netdev@vger.kernel.org
W: http://www.chelsio.com
S: Supported
F: drivers/crypto/chelsio
CXGB4 ETHERNET DRIVER (CXGB4)
-M: Arjun Vynipadath <arjun@chelsio.com>
+M: Vishal Kulkarni <vishal@chelsio.com>
L: netdev@vger.kernel.org
W: http://www.chelsio.com
S: Supported
DRM DRIVER FOR MSM ADRENO GPU
M: Rob Clark <robdclark@gmail.com>
+M: Sean Paul <sean@poorly.run>
L: linux-arm-msm@vger.kernel.org
L: dri-devel@lists.freedesktop.org
L: freedreno@lists.freedesktop.org
-T: git git://people.freedesktop.org/~robclark/linux
+T: git https://gitlab.freedesktop.org/drm/msm.git
S: Maintained
F: drivers/gpu/drm/msm/
F: include/uapi/drm/msm_drm.h
M: Dave Airlie <airlied@redhat.com>
M: Gerd Hoffmann <kraxel@redhat.com>
L: virtualization@lists.linux-foundation.org
+L: spice-devel@lists.freedesktop.org
T: git git://anongit.freedesktop.org/drm/drm-misc
S: Maintained
F: drivers/gpu/drm/qxl/
F: drivers/gpu/drm/sis/
F: include/uapi/drm/sis_drm.h
+DRM DRIVER FOR SITRONIX ST7701 PANELS
+M: Jagan Teki <jagan@amarulasolutions.com>
+S: Maintained
+F: drivers/gpu/drm/panel/panel-sitronix-st7701.c
+F: Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt
+
DRM DRIVER FOR SITRONIX ST7586 PANELS
M: David Lechner <david@lechnology.com>
S: Maintained
S: Orphan / Obsolete
F: drivers/gpu/drm/tdfx/
+DRM DRIVER FOR TPO TPG110 PANELS
+M: Linus Walleij <linus.walleij@linaro.org>
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Maintained
+F: drivers/gpu/drm/panel/panel-tpo-tpg110.c
+F: Documentation/devicetree/bindings/display/panel/tpo,tpg110.txt
+
DRM DRIVER FOR USB DISPLAYLINK VIDEO ADAPTERS
M: Dave Airlie <airlied@redhat.com>
R: Sean Paul <sean@poorly.run>
F: drivers/gpu/drm/udl/
T: git git://anongit.freedesktop.org/drm/drm-misc
+DRM DRIVER FOR VIRTUAL KERNEL MODESETTING (VKMS)
+M: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
+R: Haneen Mohammed <hamohammed.sa@gmail.com>
+R: Daniel Vetter <daniel@ffwll.ch>
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Maintained
+L: dri-devel@lists.freedesktop.org
+F: drivers/gpu/drm/vkms/
+F: Documentation/gpu/vkms.rst
+
DRM DRIVER FOR VMWARE VIRTUAL GPU
M: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
M: Thomas Hellstrom <thellstrom@vmware.com>
T: git git://anongit.freedesktop.org/drm/drm-misc
DRM DRIVERS FOR BRIDGE CHIPS
-M: Archit Taneja <architt@codeaurora.org>
M: Andrzej Hajda <a.hajda@samsung.com>
R: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
S: Maintained
S: Maintained
F: drivers/edac/amd64_edac*
+EDAC-AST2500
+M: Stefan Schaeckeler <sschaeck@cisco.com>
+S: Supported
+F: drivers/edac/aspeed_edac.c
+F: Documentation/devicetree/bindings/edac/aspeed-sdram-edac.txt
+
EDAC-CALXEDA
M: Robert Richter <rric@kernel.org>
L: linux-edac@vger.kernel.org
EDAC-CORE
M: Borislav Petkov <bp@alien8.de>
M: Mauro Carvalho Chehab <mchehab@kernel.org>
+R: James Morse <james.morse@arm.com>
L: linux-edac@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git for-next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git linux_next
F: drivers/media/tuners/fc2580*
FCOE SUBSYSTEM (libfc, libfcoe, fcoe)
-M: Johannes Thumshirn <jth@kernel.org>
+M: Hannes Reinecke <hare@suse.de>
L: linux-scsi@vger.kernel.org
W: www.Open-FCoE.org
S: Supported
S: Maintained
F: fs/*
F: include/linux/fs.h
+F: include/linux/fs_types.h
F: include/uapi/linux/fs.h
FINTEK F75375S HARDWARE MONITOR AND FAN CONTROLLER DRIVER
S: Maintained
F: drivers/dma/fsldma.*
+FREESCALE ENETC ETHERNET DRIVERS
+M: Claudiu Manoil <claudiu.manoil@nxp.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/ethernet/freescale/enetc/
+
FREESCALE eTSEC ETHERNET DRIVER (GIANFAR)
M: Claudiu Manoil <claudiu.manoil@nxp.com>
L: netdev@vger.kernel.org
M: Yangbo Lu <yangbo.lu@nxp.com>
L: netdev@vger.kernel.org
S: Maintained
+F: drivers/net/ethernet/freescale/enetc/enetc_ptp.c
F: drivers/ptp/ptp_qoriq.c
+F: drivers/ptp/ptp_qoriq_debugfs.c
F: include/linux/fsl/ptp_qoriq.h
F: Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
FREESCALE QUAD SPI DRIVER
M: Han Xu <han.xu@nxp.com>
-L: linux-mtd@lists.infradead.org
+L: linux-spi@vger.kernel.org
S: Maintained
-F: drivers/mtd/spi-nor/fsl-quadspi.c
+F: drivers/spi/spi-fsl-qspi.c
FREESCALE QUICC ENGINE LIBRARY
M: Qiang Zhao <qiang.zhao@nxp.com>
FSCRYPT: FILE SYSTEM LEVEL ENCRYPTION SUPPORT
M: Theodore Y. Ts'o <tytso@mit.edu>
M: Jaegeuk Kim <jaegeuk@kernel.org>
+M: Eric Biggers <ebiggers@kernel.org>
L: linux-fscrypt@vger.kernel.org
Q: https://patchwork.kernel.org/project/linux-fscrypt/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt.git
+T: git git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt.git
S: Supported
F: fs/crypto/
F: include/linux/fscrypt*.h
F: drivers/clk/h8300/
F: drivers/irqchip/irq-renesas-h8*.c
+HABANALABS PCI DRIVER
+M: Oded Gabbay <oded.gabbay@gmail.com>
+T: git https://github.com/HabanaAI/linux.git
+S: Supported
+F: drivers/misc/habanalabs/
+F: include/uapi/misc/habanalabs.h
+F: Documentation/ABI/testing/sysfs-driver-habanalabs
+F: Documentation/ABI/testing/debugfs-driver-habanalabs
+
HACKRF MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-media@vger.kernel.org
M: Stephen Hemminger <sthemmin@microsoft.com>
M: Sasha Levin <sashal@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git
-L: devel@linuxdriverproject.org
+L: linux-hyperv@vger.kernel.org
S: Supported
F: Documentation/networking/device_drivers/microsoft/netvsc.txt
F: arch/x86/include/asm/mshyperv.h
F: drivers/scsi/storvsc_drv.c
F: drivers/uio/uio_hv_generic.c
F: drivers/video/fbdev/hyperv_fb.c
+ F: drivers/iommu/hyperv_iommu.c
F: net/vmw_vsock/hyperv_transport.c
F: include/linux/hyperv.h
F: include/uapi/linux/hyperv.h
I3C SUBSYSTEM
M: Boris Brezillon <bbrezillon@kernel.org>
L: linux-i3c@lists.infradead.org
+C: irc://chat.freenode.net/linux-i3c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux.git
S: Maintained
F: Documentation/ABI/testing/sysfs-bus-i3c
M: Sakari Ailus <sakari.ailus@linux.intel.com>
M: Bingbu Cao <bingbu.cao@intel.com>
R: Tian Shu Qiu <tian.shu.qiu@intel.com>
-R: Jian Xu Zheng <jian.xu.zheng@intel.com>
L: linux-media@vger.kernel.org
S: Maintained
F: drivers/media/pci/intel/ipu3/
S: Maintained
F: drivers/gpio/gpio-intel-mid.c
+INTERCONNECT API
+M: Georgi Djakov <georgi.djakov@linaro.org>
+S: Maintained
+F: Documentation/interconnect/
+F: Documentation/devicetree/bindings/interconnect/
+F: drivers/interconnect/
+F: include/dt-bindings/interconnect/
+F: include/linux/interconnect-provider.h
+F: include/linux/interconnect.h
+
INVENSENSE MPU-3050 GYROSCOPE DRIVER
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-iio@vger.kernel.org
KEYS-TRUSTED
M: James Bottomley <jejb@linux.ibm.com>
M: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
-M: Mimi Zohar <zohar@linuxibm.com>
+M: Mimi Zohar <zohar@linux.ibm.com>
L: linux-integrity@vger.kernel.org
L: keyrings@vger.kernel.org
S: Supported
LIVE PATCHING
M: Josh Poimboeuf <jpoimboe@redhat.com>
-M: Jessica Yu <jeyu@kernel.org>
M: Jiri Kosina <jikos@kernel.org>
M: Miroslav Benes <mbenes@suse.cz>
-R: Petr Mladek <pmladek@suse.com>
+M: Petr Mladek <pmladek@suse.com>
+R: Joe Lawrence <joe.lawrence@redhat.com>
S: Maintained
F: kernel/livepatch/
F: include/linux/livepatch.h
F: Documentation/livepatch/
F: Documentation/ABI/testing/sysfs-kernel-livepatch
F: samples/livepatch/
+F: tools/testing/selftests/livepatch/
L: live-patching@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching.git
LLC (802.2)
L: netdev@vger.kernel.org
F: include/uapi/drm/armada_drm.h
F: Documentation/devicetree/bindings/display/armada/
+MARVELL ARMADA 3700 PHY DRIVERS
+M: Miquel Raynal <miquel.raynal@bootlin.com>
+S: Maintained
+F: drivers/phy/marvell/phy-mvebu-a3700-comphy.c
+F: drivers/phy/marvell/phy-mvebu-a3700-utmi.c
+F: Documentation/devicetree/bindings/phy/phy-mvebu-comphy.txt
+F: Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt
+
MARVELL CRYPTO DRIVER
M: Boris Brezillon <bbrezillon@kernel.org>
M: Arnaud Ebalard <arno@natisbad.org>
S: Maintained
F: drivers/media/platform/imx-pxp.[ch]
+MEDIA DRIVERS FOR FREESCALE IMX7
+M: Rui Miguel Silva <rmfrfs@gmail.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: Documentation/devicetree/bindings/media/imx7-csi.txt
+F: Documentation/devicetree/bindings/media/imx7-mipi-csi2.txt
+F: Documentation/media/v4l-drivers/imx7.rst
+F: drivers/staging/media/imx/imx7-media-csi.c
+F: drivers/staging/media/imx/imx7-mipi-csis.c
+
MEDIA DRIVERS FOR HELENE
M: Abylay Ospan <aospan@netup.ru>
L: linux-media@vger.kernel.org
F: include/uapi/linux/membarrier.h
F: arch/powerpc/include/asm/membarrier.h
+MEMBLOCK
+M: Mike Rapoport <rppt@linux.ibm.com>
+L: linux-mm@kvack.org
+S: Maintained
+F: include/linux/memblock.h
+F: mm/memblock.c
+F: Documentation/core-api/boot-time-mm.rst
+
MEMORY MANAGEMENT
L: linux-mm@kvack.org
W: http://www.linux-mm.org
F: Documentation/devicetree/bindings/media/meson-ao-cec.txt
T: git git://linuxtv.org/media_tree.git
+MESON NAND CONTROLLER DRIVER FOR AMLOGIC SOCS
+M: Liang Yang <liang.yang@amlogic.com>
+L: linux-mtd@lists.infradead.org
+S: Maintained
+F: drivers/mtd/nand/raw/meson_*
+F: Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt
+
+METHODE UDPU SUPPORT
+M: Vladimir Vid <vladimir.vid@sartura.hr>
+S: Maintained
+F: arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
+
MICROBLAZE ARCHITECTURE
M: Michal Simek <monstr@monstr.eu>
W: http://www.monstr.eu/fdt/
F: net/dsa/
F: include/net/dsa.h
F: include/linux/dsa/
+F: include/linux/platform_data/dsa.h
F: drivers/net/dsa/
NETWORKING [GENERAL]
F: drivers/power/supply/isp1704_charger.c
F: drivers/power/supply/rx51_battery.c
+NOLIBC HEADER FILE
+M: Willy Tarreau <w@1wt.eu>
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/nolibc.git
+F: tools/include/nolibc/
+
NTB AMD DRIVER
M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
L: linux-ntb@googlegroups.com
F: lib/test_objagg.c
F: include/linux/objagg.h
+NXP FSPI DRIVER
+R: Yogesh Gaur <yogeshgaur.83@gmail.com>
+M: Ashish Kumar <ashish.kumar@nxp.com>
+L: linux-spi@vger.kernel.org
+S: Maintained
+F: drivers/spi/spi-nxp-fspi.c
+F: Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
+
OBJTOOL
M: Josh Poimboeuf <jpoimboe@redhat.com>
M: Peter Zijlstra <peterz@infradead.org>
F: drivers/media/i2c/ov7740.c
F: Documentation/devicetree/bindings/media/i2c/ov7740.txt
+OMNIVISION OV9640 SENSOR DRIVER
+M: Petr Cvek <petrcvekcz@gmail.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+F: drivers/media/i2c/ov9640.*
+
+OMNIVISION OV8856 SENSOR DRIVER
+M: Ben Kao <ben.kao@intel.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/ov8856.c
+
OMNIVISION OV9650 SENSOR DRIVER
M: Sakari Ailus <sakari.ailus@linux.intel.com>
R: Akinobu Mita <akinobu.mita@gmail.com>
S: Maintained
F: drivers/tee/optee/
+OP-TEE RANDOM NUMBER GENERATOR (RNG) DRIVER
+M: Sumit Garg <sumit.garg@linaro.org>
+S: Maintained
+F: drivers/char/hw_random/optee-rng.c
+
OPA-VNIC DRIVER
M: Dennis Dalessandro <dennis.dalessandro@intel.com>
M: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
S: Orphan
F: drivers/net/wireless/intersil/orinoco/
-OSD LIBRARY and FILESYSTEM
-M: Boaz Harrosh <ooo@electrozaur.com>
-S: Maintained
-F: drivers/scsi/osd/
-F: include/scsi/osd_*
-F: fs/exofs/
-
OV2659 OMNIVISION SENSOR DRIVER
M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
L: linux-media@vger.kernel.org
F: lib/test_parman.c
F: include/linux/parman.h
+PC ENGINES APU BOARD DRIVER
+M: Enrico Weigelt, metux IT consult <info@metux.net>
+S: Maintained
+F: drivers/platform/x86/pcengines-apuv2.c
+
PC87360 HARDWARE MONITORING DRIVER
M: Jim Cromie <jim.cromie@gmail.com>
L: linux-hwmon@vger.kernel.org
F: drivers/pci/controller/pcie-altera.c
PCI DRIVER FOR APPLIEDMICRO XGENE
-M: Tanmay Inamdar <tinamdar@apm.com>
+M: Toan Le <toan@os.amperecomputing.com>
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: drivers/pci/controller/dwc/pcie-armada8k.c
PCI DRIVER FOR CADENCE PCIE IP
-M: Alan Douglas <adouglas@cadence.com>
+M: Tom Joseph <tjoseph@cadence.com>
L: linux-pci@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/pci/cdns,*.txt
F: drivers/pci/controller/pcie-altera-msi.c
PCI MSI DRIVER FOR APPLIEDMICRO XGENE
-M: Duc Dang <dhdang@apm.com>
+M: Toan Le <toan@os.amperecomputing.com>
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: drivers/net/ppp/pptp.c
W: http://sourceforge.net/projects/accel-pptp
-PREEMPTIBLE KERNEL
-M: Robert Love <rml@tech9.net>
-L: kpreempt-tech@lists.sourceforge.net
-W: https://www.kernel.org/pub/linux/kernel/people/rml/preempt-kernel
-S: Supported
-F: Documentation/preempt-locking.txt
-F: include/linux/preempt.h
-
PRINTK
M: Petr Mladek <pmladek@suse.com>
M: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
T: git git://linuxtv.org/media_tree.git
S: Odd Fixes
F: drivers/media/usb/pwc/*
+F: include/trace/events/pwc.h
PWM FAN DRIVER
M: Kamil Debski <kamil@wypas.org>
F: drivers/media/platform/qcom/camss/
QUALCOMM CPUFREQ DRIVER MSM8996/APQ8096
-M: Ilia Lin <ilia.lin@gmail.com>
-L: linux-pm@vger.kernel.org
-S: Maintained
-F: Documentation/devicetree/bindings/opp/kryo-cpufreq.txt
-F: drivers/cpufreq/qcom-cpufreq-kryo.c
+M: Ilia Lin <ilia.lin@kernel.org>
+L: linux-pm@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/opp/kryo-cpufreq.txt
+F: drivers/cpufreq/qcom-cpufreq-kryo.c
QUALCOMM EMAC GIGABIT ETHERNET DRIVER
M: Timur Tabi <timur@kernel.org>
S: Maintained
F: drivers/net/ethernet/qualcomm/emac/
+QUALCOMM ETHQOS ETHERNET DRIVER
+M: Vinod Koul <vkoul@kernel.org>
+M: Niklas Cassel <niklas.cassel@linaro.org>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+F: Documentation/devicetree/bindings/net/qcom,dwmac.txt
+
QUALCOMM GENERIC INTERFACE I2C DRIVER
M: Alok Chauhan <alokc@codeaurora.org>
M: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
S: Maintained
F: drivers/rapidio/
+RAS INFRASTRUCTURE
+M: Tony Luck <tony.luck@intel.com>
+M: Borislav Petkov <bp@alien8.de>
+L: linux-edac@vger.kernel.org
+S: Maintained
+F: drivers/ras/
+F: include/linux/ras.h
+F: include/ras/ras_event.h
+F: Documentation/admin-guide/ras.rst
+
RAYLINK/WEBGEAR 802.11 WIRELESS LAN DRIVER
L: linux-wireless@vger.kernel.org
S: Orphan
F: Documentation/devicetree/bindings/reset/
F: include/dt-bindings/reset/
F: include/linux/reset.h
+F: include/linux/reset/
F: include/linux/reset-controller.h
RESTARTABLE SEQUENCES SUPPORT
F: include/linux/sched.h
F: include/uapi/linux/sched.h
F: include/linux/wait.h
+F: include/linux/preempt.h
SCR24X CHIP CARD INTERFACE DRIVER
M: Lubomir Rintel <lkundrak@v3.sk>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git
M: "Martin K. Petersen" <martin.petersen@oracle.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git
+Q: https://patchwork.kernel.org/project/linux-scsi/list/
L: linux-scsi@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/scsi/
F: drivers/scsi/st.*
F: drivers/scsi/st_*.h
+SCSI TARGET SUBSYSTEM
+M: "Martin K. Petersen" <martin.petersen@oracle.com>
+L: linux-scsi@vger.kernel.org
+L: target-devel@vger.kernel.org
+W: http://www.linux-iscsi.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git
+Q: https://patchwork.kernel.org/project/target-devel/list/
+S: Supported
+F: drivers/target/
+F: include/target/
+F: Documentation/target/
+
SCTP PROTOCOL
M: Vlad Yasevich <vyasevich@gmail.com>
M: Neil Horman <nhorman@tuxdriver.com>
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER
M: Adrian Hunter <adrian.hunter@intel.com>
L: linux-mmc@vger.kernel.org
-T: git git://git.infradead.org/users/ahunter/linux-sdhci.git
S: Maintained
F: drivers/mmc/host/sdhci*
F: include/linux/mmc/sdhci*
+EMMC CMDQ HOST CONTROLLER INTERFACE (CQHCI) DRIVER
+M: Adrian Hunter <adrian.hunter@intel.com>
+M: Ritesh Harjani <riteshh@codeaurora.org>
+M: Asutosh Das <asutoshd@codeaurora.org>
+L: linux-mmc@vger.kernel.org
+S: Maintained
+F: drivers/mmc/host/cqhci*
+
SYNOPSYS SDHCI COMPLIANT DWC MSHC DRIVER
M: Prabu Thangamuthu <prabu.t@synopsys.com>
M: Manjunath M B <manjumb@synopsys.com>
SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
M: Ursula Braun <ubraun@linux.ibm.com>
+M: Karsten Graul <kgraul@linux.ibm.com>
L: linux-s390@vger.kernel.org
W: http://www.ibm.com/developerworks/linux/linux390/
S: Supported
SPI NOR SUBSYSTEM
M: Marek Vasut <marek.vasut@gmail.com>
+M: Tudor Ambarus <tudor.ambarus@microchip.com>
L: linux-mtd@lists.infradead.org
W: http://www.linux-mtd.infradead.org/
Q: http://patchwork.ozlabs.org/project/linux-mtd/list/
S: Supported
F: drivers/staging/wilc1000/
-STAGING - XGI Z7,Z9,Z11 PCI DISPLAY DRIVER
-M: Arnaud Patard <arnaud.patard@rtp-net.org>
-S: Odd Fixes
-F: drivers/staging/xgifb/
-
STAGING SUBSYSTEM
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
F: drivers/tty/serial/8250/8250_dw.c
SYNOPSYS DESIGNWARE APB GPIO DRIVER
-M: Hoan Tran <hotran@apm.com>
+M: Hoan Tran <hoan@os.amperecomputing.com>
L: linux-gpio@vger.kernel.org
S: Maintained
F: drivers/gpio/gpio-dwapb.c
F: fs/sysv/
F: include/linux/sysv_fs.h
-TARGET SUBSYSTEM
-M: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
-L: linux-scsi@vger.kernel.org
-L: target-devel@vger.kernel.org
-W: http://www.linux-iscsi.org
-W: http://groups.google.com/group/linux-iscsi-target-dev
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git master
-S: Supported
-F: drivers/target/
-F: include/target/
-F: Documentation/target/
-
TASKSTATS STATISTICS INTERFACE
M: Balbir Singh <bsingharora@gmail.com>
S: Maintained
S: Maintained
F: sound/soc/ti/
+Texas Instruments' DAC7612 DAC Driver
+M: Ricardo Ribalda <ricardo@ribalda.com>
+L: linux-iio@vger.kernel.org
+S: Supported
+F: drivers/iio/dac/ti-dac7612.c
+F: Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt
+
THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
TOMOYO SECURITY MODULE
M: Kentaro Takeda <takedakn@nttdata.co.jp>
M: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
-L: tomoyo-dev-en@lists.sourceforge.jp (subscribers-only, for developers in English)
-L: tomoyo-users-en@lists.sourceforge.jp (subscribers-only, for users in English)
-L: tomoyo-dev@lists.sourceforge.jp (subscribers-only, for developers in Japanese)
-L: tomoyo-users@lists.sourceforge.jp (subscribers-only, for users in Japanese)
-W: http://tomoyo.sourceforge.jp/
-T: quilt http://svn.sourceforge.jp/svnroot/tomoyo/trunk/2.5.x/tomoyo-lsm/patches/
+L: tomoyo-dev-en@lists.osdn.me (subscribers-only, for developers in English)
+L: tomoyo-users-en@lists.osdn.me (subscribers-only, for users in English)
+L: tomoyo-dev@lists.osdn.me (subscribers-only, for developers in Japanese)
+L: tomoyo-users@lists.osdn.me (subscribers-only, for users in Japanese)
+W: https://tomoyo.osdn.jp/
S: Maintained
F: security/tomoyo/
F: drivers/staging/unisys/
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER
-M: Vinayak Holikatti <vinholikatti@gmail.com>
+R: Alim Akhtar <alim.akhtar@samsung.com>
+R: Avri Altman <avri.altman@wdc.com>
+R: Pedro Sousa <pedrom.sousa@synopsys.com>
L: linux-scsi@vger.kernel.org
S: Supported
F: Documentation/scsi/ufs.txt
F: drivers/scsi/ufs/
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER DWC HOOKS
-M: Joao Pinto <jpinto@synopsys.com>
+M: Pedro Sousa <pedrom.sousa@synopsys.com>
L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/ufs/*dwc*
S: Maintained
F: drivers/gpio/gpio-wcove.c
+WHWAVE RTC DRIVER
+M: Dianlong Li <long17.cool@163.com>
+L: linux-rtc@vger.kernel.org
+S: Maintained
+F: drivers/rtc/rtc-sd3078.c
+
WIIMOTE HID DRIVER
M: David Herrmann <dh.herrmann@googlemail.com>
L: linux-input@vger.kernel.org
S: Maintained
F: drivers/media/rc/winbond-cir.c
+RCMM REMOTE CONTROLS DECODER
+M: Patrick Lerda <patrick9876@free.fr>
+S: Maintained
+F: drivers/media/rc/ir-rcmm-decoder.c
+
WINSYSTEMS EBC-C384 WATCHDOG DRIVER
M: William Breathitt Gray <vilhelm.gray@gmail.com>
L: linux-watchdog@vger.kernel.org
*/
#define pr_fmt(fmt) "DMAR: " fmt
+ #define dev_fmt(fmt) pr_fmt(fmt)
#include <linux/init.h>
#include <linux/bitmap.h>
#include <linux/dma-contiguous.h>
#include <linux/dma-direct.h>
#include <linux/crash_dump.h>
+#include <linux/numa.h>
#include <asm/irq_remapping.h>
#include <asm/cacheflush.h>
#include <asm/iommu.h>
static void domain_exit(struct dmar_domain *domain);
static void domain_remove_dev_info(struct dmar_domain *domain);
- static void dmar_remove_one_dev_info(struct dmar_domain *domain,
- struct device *dev);
+ static void dmar_remove_one_dev_info(struct device *dev);
static void __dmar_remove_one_dev_info(struct device_domain_info *info);
static void domain_context_clear(struct intel_iommu *iommu,
struct device *dev);
static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain,
unsigned long pfn, int *target_level)
{
- struct dma_pte *parent, *pte = NULL;
+ struct dma_pte *parent, *pte;
int level = agaw_to_level(domain->agaw);
int offset;
unsigned long pfn,
int level, int *large_page)
{
- struct dma_pte *parent, *pte = NULL;
+ struct dma_pte *parent, *pte;
int total = agaw_to_level(domain->agaw);
int offset;
unsigned long start_pfn,
unsigned long last_pfn)
{
- unsigned int large_page = 1;
+ unsigned int large_page;
struct dma_pte *first_pte, *pte;
BUG_ON(!domain_pfn_supported(domain, start_pfn));
unsigned long start_pfn,
unsigned long last_pfn)
{
- struct page *freelist = NULL;
+ struct page *freelist;
BUG_ON(!domain_pfn_supported(domain, start_pfn));
BUG_ON(!domain_pfn_supported(domain, last_pfn));
if (info->pasid_supported && !pci_enable_pasid(pdev, info->pasid_supported & ~1))
info->pasid_enabled = 1;
- if (info->pri_supported && !pci_reset_pri(pdev) && !pci_enable_pri(pdev, 32))
+ if (info->pri_supported &&
+ (info->pasid_enabled ? pci_prg_resp_pasid_required(pdev) : 1) &&
+ !pci_reset_pri(pdev) && !pci_enable_pri(pdev, 32))
info->pri_enabled = 1;
#endif
if (!pdev->untrusted && info->ats_supported &&
+ pci_ats_page_aligned(pdev) &&
!pci_enable_ats(pdev, VTD_PAGE_SHIFT)) {
info->ats_enabled = 1;
domain_update_iotlb(info->domain);
return NULL;
memset(domain, 0, sizeof(*domain));
- domain->nid = -1;
+ domain->nid = NUMA_NO_NODE;
domain->flags = flags;
domain->has_iotlb_device = false;
INIT_LIST_HEAD(&domain->devices);
static int domain_detach_iommu(struct dmar_domain *domain,
struct intel_iommu *iommu)
{
- int num, count = INT_MAX;
+ int num, count;
assert_spin_locked(&device_domain_lock);
assert_spin_locked(&iommu->lock);
IOVA_PFN(r->start),
IOVA_PFN(r->end));
if (!iova) {
- pr_err("Reserve iova failed\n");
+ pci_err(pdev, "Reserve iova for %pR failed\n", r);
return -ENODEV;
}
}
static void domain_exit(struct dmar_domain *domain)
{
- struct page *freelist = NULL;
-
- /* Domain 0 is reserved, so dont process it */
- if (!domain)
- return;
+ struct page *freelist;
/* Remove associated devices and clear attached or cached domains */
rcu_read_lock();
int agaw;
context_set_domain_id(context, did);
- context_set_translation_type(context, translation);
if (translation != CONTEXT_TT_PASS_THROUGH) {
/*
*/
context_set_address_width(context, iommu->msagaw);
}
+
+ context_set_translation_type(context, translation);
}
context_set_fault_enable(context);
if (dev && dev_is_pci(dev)) {
struct pci_dev *pdev = to_pci_dev(info->dev);
- if (!pci_ats_disabled() &&
+ if (!pdev->untrusted &&
+ !pci_ats_disabled() &&
ecap_dev_iotlb_support(iommu->ecap) &&
pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ATS) &&
dmar_find_matched_atsr_unit(pdev))
if (dev && dev_is_pci(dev) && sm_supported(iommu)) {
ret = intel_pasid_alloc_table(dev);
if (ret) {
- pr_err("PASID table allocation for %s failed\n",
- dev_name(dev));
- dmar_remove_one_dev_info(domain, dev);
+ dev_err(dev, "PASID table allocation failed\n");
+ dmar_remove_one_dev_info(dev);
return NULL;
}
dev, PASID_RID2PASID);
spin_unlock(&iommu->lock);
if (ret) {
- pr_err("Setup RID2PASID for %s failed\n",
- dev_name(dev));
- dmar_remove_one_dev_info(domain, dev);
+ dev_err(dev, "Setup RID2PASID failed\n");
+ dmar_remove_one_dev_info(dev);
return NULL;
}
}
if (dev && domain_context_mapping(domain, dev)) {
- pr_err("Domain context map for %s failed\n", dev_name(dev));
- dmar_remove_one_dev_info(domain, dev);
+ dev_err(dev, "Domain context map failed\n");
+ dmar_remove_one_dev_info(dev);
return NULL;
}
static struct dmar_domain *find_or_alloc_domain(struct device *dev, int gaw)
{
- struct device_domain_info *info = NULL;
+ struct device_domain_info *info;
struct dmar_domain *domain = NULL;
struct intel_iommu *iommu;
u16 dma_alias;
range which is reserved in E820, so which didn't get set
up to start with in si_domain */
if (domain == si_domain && hw_pass_through) {
- pr_warn("Ignoring identity map for HW passthrough device %s [0x%Lx - 0x%Lx]\n",
- dev_name(dev), start, end);
+ dev_warn(dev, "Ignoring identity map for HW passthrough [0x%Lx - 0x%Lx]\n",
+ start, end);
return 0;
}
- pr_info("Setting identity map for device %s [0x%Lx - 0x%Lx]\n",
- dev_name(dev), start, end);
+ dev_info(dev, "Setting identity map [0x%Lx - 0x%Lx]\n", start, end);
if (end < start) {
WARN(1, "Your BIOS is broken; RMRR ends before it starts!\n"
static int __init si_domain_init(int hw)
{
- int nid, ret = 0;
+ int nid, ret;
si_domain = alloc_domain(DOMAIN_FLAG_STATIC_IDENTITY);
if (!si_domain)
static int iommu_should_identity_map(struct device *dev, int startup)
{
-
if (dev_is_pci(dev)) {
struct pci_dev *pdev = to_pci_dev(dev);
ret = domain_add_dev_info(si_domain, dev);
if (!ret)
- pr_info("%s identity mapping for device %s\n",
- hw ? "Hardware" : "Software", dev_name(dev));
+ dev_info(dev, "%s identity mapping\n",
+ hw ? "Hardware" : "Software");
else if (ret == -ENODEV)
/* device not associated with an iommu */
ret = 0;
struct dmar_domain *domain,
unsigned long nrpages, uint64_t dma_mask)
{
- unsigned long iova_pfn = 0;
+ unsigned long iova_pfn;
/* Restrict dma_mask to the width that the iommu can handle */
dma_mask = min_t(uint64_t, DOMAIN_MAX_ADDR(domain->gaw), dma_mask);
iova_pfn = alloc_iova_fast(&domain->iovad, nrpages,
IOVA_PFN(dma_mask), true);
if (unlikely(!iova_pfn)) {
- pr_err("Allocating %ld-page iova for %s failed",
- nrpages, dev_name(dev));
+ dev_err(dev, "Allocating %ld-page iova failed", nrpages);
return 0;
}
out:
if (!domain)
- pr_err("Allocating domain for %s failed\n", dev_name(dev));
+ dev_err(dev, "Allocating domain failed\n");
return domain;
* 32 bit DMA is removed from si_domain and fall back
* to non-identity mapping.
*/
- dmar_remove_one_dev_info(si_domain, dev);
- pr_info("32bit %s uses non-identity mapping\n",
- dev_name(dev));
+ dmar_remove_one_dev_info(dev);
+ dev_info(dev, "32bit DMA uses non-identity mapping\n");
return 0;
}
} else {
int ret;
ret = domain_add_dev_info(si_domain, dev);
if (!ret) {
- pr_info("64bit %s uses identity mapping\n",
- dev_name(dev));
+ dev_info(dev, "64bit DMA uses identity mapping\n");
return 1;
}
}
return 0;
}
- static dma_addr_t __intel_map_page(struct device *dev, struct page *page,
- unsigned long offset, size_t size, int dir,
- u64 dma_mask)
+ static dma_addr_t __intel_map_single(struct device *dev, phys_addr_t paddr,
+ size_t size, int dir, u64 dma_mask)
{
- phys_addr_t paddr = page_to_phys(page) + offset;
struct dmar_domain *domain;
phys_addr_t start_paddr;
unsigned long iova_pfn;
error:
if (iova_pfn)
free_iova_fast(&domain->iovad, iova_pfn, dma_to_mm_pfn(size));
- pr_err("Device %s request: %zx@%llx dir %d --- failed\n",
- dev_name(dev), size, (unsigned long long)paddr, dir);
+ dev_err(dev, "Device request: %zx@%llx dir %d --- failed\n",
+ size, (unsigned long long)paddr, dir);
return DMA_MAPPING_ERROR;
}
enum dma_data_direction dir,
unsigned long attrs)
{
- return __intel_map_page(dev, page, offset, size, dir, *dev->dma_mask);
+ return __intel_map_single(dev, page_to_phys(page) + offset, size,
+ dir, *dev->dma_mask);
+ }
+
+ static dma_addr_t intel_map_resource(struct device *dev, phys_addr_t phys_addr,
+ size_t size, enum dma_data_direction dir,
+ unsigned long attrs)
+ {
+ return __intel_map_single(dev, phys_addr, size, dir, *dev->dma_mask);
}
static void intel_unmap(struct device *dev, dma_addr_t dev_addr, size_t size)
start_pfn = mm_to_dma_pfn(iova_pfn);
last_pfn = start_pfn + nrpages - 1;
- pr_debug("Device %s unmapping: pfn %lx-%lx\n",
- dev_name(dev), start_pfn, last_pfn);
+ dev_dbg(dev, "Device unmapping: pfn %lx-%lx\n", start_pfn, last_pfn);
freelist = domain_unmap(domain, start_pfn, last_pfn);
return NULL;
memset(page_address(page), 0, size);
- *dma_handle = __intel_map_page(dev, page, 0, size, DMA_BIDIRECTIONAL,
- dev->coherent_dma_mask);
+ *dma_handle = __intel_map_single(dev, page_to_phys(page), size,
+ DMA_BIDIRECTIONAL,
+ dev->coherent_dma_mask);
if (*dma_handle != DMA_MAPPING_ERROR)
return page_address(page);
if (!dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT))
.unmap_sg = intel_unmap_sg,
.map_page = intel_map_page,
.unmap_page = intel_unmap_page,
+ .map_resource = intel_map_resource,
+ .unmap_resource = intel_unmap_page,
.dma_supported = dma_direct_supported,
};
static int intel_iommu_add(struct dmar_drhd_unit *dmaru)
{
- int sp, ret = 0;
+ int sp, ret;
struct intel_iommu *iommu = dmaru->iommu;
if (g_iommus[iommu->seq_id])
int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info)
{
- int ret = 0;
+ int ret;
struct dmar_rmrr_unit *rmrru;
struct dmar_atsr_unit *atsru;
struct acpi_dmar_atsr *atsr;
((void *)rmrr) + rmrr->header.length,
rmrr->segment, rmrru->devices,
rmrru->devices_cnt);
- if(ret < 0)
+ if (ret < 0)
return ret;
} else if (info->event == BUS_NOTIFY_REMOVED_DEVICE) {
dmar_remove_dev_scope(info, rmrr->segment,
atsru->devices_cnt);
if (ret > 0)
break;
- else if(ret < 0)
+ else if (ret < 0)
return ret;
} else if (info->event == BUS_NOTIFY_REMOVED_DEVICE) {
if (dmar_remove_dev_scope(info, atsr->segment,
if (iommu_dummy(dev))
return 0;
- if (action != BUS_NOTIFY_REMOVED_DEVICE)
- return 0;
-
- domain = find_domain(dev);
- if (!domain)
- return 0;
+ if (action == BUS_NOTIFY_REMOVED_DEVICE) {
+ domain = find_domain(dev);
+ if (!domain)
+ return 0;
- dmar_remove_one_dev_info(domain, dev);
- if (!domain_type_is_vm_or_si(domain) && list_empty(&domain->devices))
- domain_exit(domain);
+ dmar_remove_one_dev_info(dev);
+ if (!domain_type_is_vm_or_si(domain) &&
+ list_empty(&domain->devices))
+ domain_exit(domain);
+ } else if (action == BUS_NOTIFY_ADD_DEVICE) {
+ if (iommu_should_identity_map(dev, 1))
+ domain_add_dev_info(si_domain, dev);
+ }
return 0;
}
free_devinfo_mem(info);
}
- static void dmar_remove_one_dev_info(struct dmar_domain *domain,
- struct device *dev)
+ static void dmar_remove_one_dev_info(struct device *dev)
{
struct device_domain_info *info;
unsigned long flags;
old_domain = find_domain(dev);
if (old_domain) {
rcu_read_lock();
- dmar_remove_one_dev_info(old_domain, dev);
+ dmar_remove_one_dev_info(dev);
rcu_read_unlock();
if (!domain_type_is_vm_or_si(old_domain) &&
addr_width = cap_mgaw(iommu->cap);
if (dmar_domain->max_addr > (1LL << addr_width)) {
- pr_err("%s: iommu width (%d) is not "
- "sufficient for the mapped address (%llx)\n",
- __func__, addr_width, dmar_domain->max_addr);
+ dev_err(dev, "%s: iommu width (%d) is not "
+ "sufficient for the mapped address (%llx)\n",
+ __func__, addr_width, dmar_domain->max_addr);
return -EFAULT;
}
dmar_domain->gaw = addr_width;
static void intel_iommu_detach_device(struct iommu_domain *domain,
struct device *dev)
{
- dmar_remove_one_dev_info(to_dmar_domain(domain), dev);
+ dmar_remove_one_dev_info(dev);
}
static int intel_iommu_map(struct iommu_domain *domain,
static void quirk_iommu_g4x_gfx(struct pci_dev *dev)
{
/* G4x/GM45 integrated gfx dmar support is totally busted. */
- pr_info("Disabling IOMMU for graphics on this chipset\n");
+ pci_info(dev, "Disabling IOMMU for graphics on this chipset\n");
dmar_map_gfx = 0;
}
* Mobile 4 Series Chipset neglects to set RWBF capability,
* but needs it. Same seems to hold for the desktop versions.
*/
- pr_info("Forcing write-buffer flush capability\n");
+ pci_info(dev, "Forcing write-buffer flush capability\n");
rwbf_quirk = 1;
}
return;
if (!(ggc & GGC_MEMORY_VT_ENABLED)) {
- pr_info("BIOS has allocated no shadow GTT; disabling IOMMU for graphics\n");
+ pci_info(dev, "BIOS has allocated no shadow GTT; disabling IOMMU for graphics\n");
dmar_map_gfx = 0;
} else if (dmar_map_gfx) {
/* we have to ensure the gfx device is idle before we flush */
- pr_info("Disabling batched IOTLB flush on Ironlake\n");
+ pci_info(dev, "Disabling batched IOTLB flush on Ironlake\n");
intel_iommu_strict = 1;
}
}
git.samba.org / sfrench / cifs-2.6.git / commitdiff