S: Maintained
F: drivers/gpio/gpio-altera-a10sr.c
F: drivers/mfd/altera-a10sr.c
+F: drivers/reset/reset-a10sr.c
F: include/linux/mfd/altera-a10sr.h
+F: include/dt-bindings/reset/altr,rst-mgr-a10sr.h
ALTERA TRIPLE SPEED ETHERNET DRIVER
M: Vince Bridgers <vbridger@opensource.altera.com>
W: http://ez.analog.com/community/linux-device-drivers
S: Supported
F: drivers/iio/*/ad*
+F: drivers/iio/adc/ltc2497*
X: drivers/iio/*/adjd*
F: drivers/staging/iio/*/ad*
F: drivers/staging/iio/trigger/iio-trig-bfin-timer.c
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>
S: Supported
F: drivers/net/ethernet/apm/xgene/
F: drivers/net/phy/mdio-xgene.c
F: Documentation/devicetree/bindings/net/apm-xgene-enet.txt
F: Documentation/devicetree/bindings/net/apm-xgene-mdio.txt
+APPLIED MICRO (APM) X-GENE SOC ETHERNET (V2) DRIVER
+M: Iyappan Subramanian <isubramanian@apm.com>
+M: Keyur Chudgar <kchudgar@apm.com>
+S: Supported
+F: drivers/net/ethernet/apm/xgene-v2/
+
APPLIED MICRO (APM) X-GENE SOC PMU
M: Tai Nguyen <ttnguyen@apm.com>
S: Supported
F: drivers/perf/*
F: include/linux/perf/arm_pmu.h
F: Documentation/devicetree/bindings/arm/pmu.txt
+F: Documentation/devicetree/bindings/perf/
ARM PORT
M: Russell King <linux@armlinux.org.uk>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
N: sun[x456789]i
-F: arch/arm/boot/dts/ntc-gr8*
+N: sun50i
+F: arch/arm/mach-sunxi/
F: arch/arm64/boot/dts/allwinner/
+F: drivers/clk/sunxi-ng/
+F: drivers/pinctrl/sunxi/
+F: drivers/soc/sunxi/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git
ARM/Allwinner SoC Clock Support
M: Emilio López <emilio@elopez.com.ar>
F: drivers/mmc/host/meson*
N: meson
+ARM/Amlogic Meson SoC CLOCK FRAMEWORK
+M: Neil Armstrong <narmstrong@baylibre.com>
+M: Jerome Brunet <jbrunet@baylibre.com>
+L: linux-amlogic@lists.infradead.org
+S: Maintained
+F: drivers/clk/meson/
+F: include/dt-bindings/clock/meson*
+F: include/dt-bindings/clock/gxbb*
+F: Documentation/devicetree/bindings/clock/amlogic*
+
ARM/Annapurna Labs ALPINE ARCHITECTURE
M: Tsahee Zidenberg <tsahee@annapurnalabs.com>
M: Antoine Tenart <antoine.tenart@free-electrons.com>
F: arch/arm/mach-artpec
F: arch/arm/boot/dts/artpec6*
F: drivers/clk/axis
+F: drivers/pinctrl/pinctrl-artpec*
+F: Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
ARM/ASPEED MACHINE SUPPORT
M: Joel Stanley <joel@jms.id.au>
ARM/ATMEL AT91RM9200, AT91SAM9 AND SAMA5 SOC SUPPORT
M: Nicolas Ferre <nicolas.ferre@microchip.com>
M: Alexandre Belloni <alexandre.belloni@free-electrons.com>
-M: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.linux4sam.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91.git
F: arch/arm/boot/dts/sama*.dts
F: arch/arm/boot/dts/sama*.dtsi
F: arch/arm/include/debug/at91.S
+F: drivers/memory/atmel*
ARM/ATMEL AT91 Clock Support
M: Boris Brezillon <boris.brezillon@free-electrons.com>
F: arch/arm/boot/dts/imx*
F: arch/arm/configs/imx*_defconfig
F: drivers/clk/imx/
+F: drivers/soc/imx/
F: include/soc/imx/
ARM/FREESCALE VYBRID ARM ARCHITECTURE
M: Gregory Clement <gregory.clement@free-electrons.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
+F: Documentation/devicetree/bindings/soc/dove/
F: arch/arm/mach-dove/
F: arch/arm/mach-mv78xx0/
F: arch/arm/mach-orion5x/
M: Ludovic Desroches <ludovic.desroches@microchip.com>
L: linux-media@vger.kernel.org
S: Supported
-F: drivers/media/platform/soc_camera/atmel-isi.c
+F: drivers/media/platform/atmel/atmel-isi.c
F: include/media/atmel-isi.h
ATMEL LCDFB DRIVER
M: Josh Wu <rainyfeeling@outlook.com>
L: linux-mtd@lists.infradead.org
S: Supported
-F: drivers/mtd/nand/atmel_nand*
+F: drivers/mtd/nand/atmel/*
ATMEL SDMMC DRIVER
M: Ludovic Desroches <ludovic.desroches@microchip.com>
F: drivers/auxdisplay/
F: include/linux/cfag12864b.h
-AVR32 ARCHITECTURE
-M: Haavard Skinnemoen <hskinnemoen@gmail.com>
-M: Hans-Christian Egtvedt <egtvedt@samfundet.no>
-W: http://www.atmel.com/products/AVR32/
-W: http://mirror.egtvedt.no/avr32linux.org/
-W: http://avrfreaks.net/
-S: Maintained
-F: arch/avr32/
-
-AVR32/AT32AP MACHINE SUPPORT
-M: Haavard Skinnemoen <hskinnemoen@gmail.com>
-M: Hans-Christian Egtvedt <egtvedt@samfundet.no>
-S: Maintained
-F: arch/avr32/mach-at32ap/
-
AX.25 NETWORK LAYER
M: Ralf Baechle <ralf@linux-mips.org>
L: linux-hams@vger.kernel.org
F: drivers/net/ethernet/ec_bhf.c
BFS FILE SYSTEM
-M: "Tigran A. Aivazian" <tigran@aivazian.fsnet.co.uk>
+M: "Tigran A. Aivazian" <aivazian.tigran@gmail.com>
S: Maintained
F: Documentation/filesystems/bfs.txt
F: fs/bfs/
F: kernel/trace/blktrace.c
F: lib/sbitmap.c
+BFQ I/O SCHEDULER
+M: Paolo Valente <paolo.valente@linaro.org>
+M: Jens Axboe <axboe@kernel.dk>
+L: linux-block@vger.kernel.org
+S: Maintained
+F: block/bfq-*
+F: Documentation/block/bfq-iosched.txt
+
BLOCK2MTD DRIVER
M: Joern Engel <joern@lazybastard.org>
L: linux-mtd@lists.infradead.org
BPF (Safe dynamic programs and tools)
M: Alexei Starovoitov <ast@kernel.org>
+M: Daniel Borkmann <daniel@iogearbox.net>
L: netdev@vger.kernel.org
L: linux-kernel@vger.kernel.org
S: Supported
+F: arch/x86/net/bpf_jit*
+F: Documentation/networking/filter.txt
+F: include/linux/bpf*
+F: include/linux/filter.h
+F: include/uapi/linux/bpf*
+F: include/uapi/linux/filter.h
F: kernel/bpf/
-F: tools/testing/selftests/bpf/
+F: kernel/trace/bpf_trace.c
F: lib/test_bpf.c
+F: net/bpf/
+F: net/core/filter.c
+F: net/sched/act_bpf.c
+F: net/sched/cls_bpf.c
+F: samples/bpf/
+F: tools/net/bpf*
+F: tools/testing/selftests/bpf/
BROADCOM B44 10/100 ETHERNET DRIVER
M: Michael Chan <michael.chan@broadcom.com>
F: arch/arm/mach-bcm/
BROADCOM BCM2835 ARM ARCHITECTURE
-M: Stephen Warren <swarren@wwwdotorg.org>
M: Lee Jones <lee@kernel.org>
M: Eric Anholt <eric@anholt.net>
+M: Stefan Wahren <stefan.wahren@i2se.com>
L: linux-rpi-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://github.com/anholt/linux
BROADCOM BCM5301X ARM ARCHITECTURE
M: Hauke Mehrtens <hauke@hauke-m.de>
M: Rafał Miłecki <zajec5@gmail.com>
+M: Jon Mason <jonmason@broadcom.com>
M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: arch/arm/mach-bcm/bcm_5301x.c
F: arch/arm/boot/dts/bcm5301x*.dtsi
F: arch/arm/boot/dts/bcm470*
+F: arch/arm/boot/dts/bcm953012*
BROADCOM BCM53573 ARM ARCHITECTURE
M: Rafał Miłecki <rafal@milecki.pl>
S: Supported
F: drivers/net/ethernet/broadcom/bcmsysport.*
-BROADCOM VULCAN ARM64 SOC
-M: Jayachandran C. <c.jayachandran@gmail.com>
-M: bcm-kernel-feedback-list@broadcom.com
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: arch/arm64/boot/dts/broadcom/vulcan*
-
BROADCOM NETXTREME-E ROCE DRIVER
M: Selvin Xavier <selvin.xavier@broadcom.com>
M: Devesh Sharma <devesh.sharma@broadcom.com>
S: Maintained
F: Documentation/filesystems/btrfs.txt
F: fs/btrfs/
+F: include/linux/btrfs*
+F: include/uapi/linux/btrfs*
BTTV VIDEO4LINUX DRIVER
M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
S: Maintained
F: arch/c6x/
+CA8210 IEEE-802.15.4 RADIO DRIVER
+M: Harry Morris <h.morris@cascoda.com>
+M: linuxdev@cascoda.com
+L: linux-wpan@vger.kernel.org
+W: https://github.com/Cascoda/ca8210-linux.git
+S: Maintained
+F: drivers/net/ieee802154/ca8210.c
+F: Documentation/devicetree/bindings/net/ieee802154/ca8210.txt
+
CACHEFILES: FS-CACHE BACKEND FOR CACHING ON MOUNTED FILESYSTEMS
M: David Howells <dhowells@redhat.com>
L: linux-cachefs@redhat.com (moderated for non-subscribers)
M: Kevin Tsai <ktsai@capellamicro.com>
S: Maintained
F: drivers/iio/light/cm*
-F: Documentation/devicetree/bindings/i2c/trivial-admin-guide/devices.rst
CAVIUM THUNDERX2 ARM64 SOC
M: Jayachandran C <jnair@caviumnetworks.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: arch/arm64/boot/dts/cavium/thunder-99xx*
+F: arch/arm64/boot/dts/cavium/thunder2-99xx*
F: Documentation/devicetree/bindings/arm/cavium-thunder2.txt
CAVIUM I2C DRIVER
F: drivers/i2c/busses/i2c-octeon*
F: drivers/i2c/busses/i2c-thunderx*
+CAVIUM MMC DRIVER
+M: Jan Glauber <jglauber@cavium.com>
+M: David Daney <david.daney@cavium.com>
+M: Steven J. Hill <Steven.Hill@cavium.com>
+W: http://www.cavium.com
+S: Supported
+F: drivers/mmc/host/cavium*
+
CAVIUM LIQUIDIO NETWORK DRIVER
M: Derek Chickles <derek.chickles@caviumnetworks.com>
M: Satanand Burla <satananda.burla@caviumnetworks.com>
F: include/linux/spi/cc2520.h
F: Documentation/devicetree/bindings/net/ieee802154/cc2520.txt
-CEC DRIVER
+CEC FRAMEWORK
M: Hans Verkuil <hans.verkuil@cisco.com>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
F: Documentation/media/kapi/cec-core.rst
F: Documentation/media/uapi/cec
F: drivers/media/cec/
-F: drivers/media/cec-edid.c
F: drivers/media/rc/keymaps/rc-cec.c
F: include/media/cec.h
-F: include/media/cec-edid.h
+F: include/media/cec-notifier.h
F: include/uapi/linux/cec.h
F: include/uapi/linux/cec-funcs.h
T: git git://git.linaro.org/people/vireshk/linux.git (For ARM Updates)
B: https://bugzilla.kernel.org
F: Documentation/cpu-freq/
+F: Documentation/devicetree/bindings/cpufreq/
F: drivers/cpufreq/
F: include/linux/cpufreq.h
F: tools/testing/selftests/cpufreq/
S: Maintained
F: drivers/usb/dwc3/
+DEVANTECH SRF ULTRASONIC RANGER IIO DRIVER
+M: Andreas Klinger <ak@it-klinger.de>
+L: linux-iio@vger.kernel.org
+S: Maintained
+F: drivers/iio/proximity/srf*.c
+
DEVICE COREDUMP (DEV_COREDUMP)
M: Johannes Berg <johannes@sipsolutions.net>
L: linux-kernel@vger.kernel.org
F: drivers/char/dtlk.c
F: include/linux/dtlk.h
+DPAA2 DATAPATH I/O (DPIO) DRIVER
+M: Roy Pledge <Roy.Pledge@nxp.com>
+L: linux-kernel@vger.kernel.org
+S: Maintained
+F: drivers/staging/fsl-mc/bus/dpio
+
+DPAA2 ETHERNET DRIVER
+M: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+L: linux-kernel@vger.kernel.org
+S: Maintained
+F: drivers/staging/fsl-dpaa2/ethernet
+
DPT_I2O SCSI RAID DRIVER
M: Adaptec OEM Raid Solutions <aacraid@adaptec.com>
L: linux-scsi@vger.kernel.org
F: include/uapi/drm/drm*
F: include/linux/vga*
+ DRM DRIVER FOR ARM PL111 CLCD
+ M: Eric Anholt <eric@anholt.net>
+ T: git git://anongit.freedesktop.org/drm/drm-misc
+ S: Supported
+ F: drivers/gpu/drm/pl111/
+
DRM DRIVER FOR AST SERVER GRAPHICS CHIPS
M: Dave Airlie <airlied@redhat.com>
S: Odd Fixes
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
T: git git://anongit.freedesktop.org/drm/drm-misc
F: drivers/gpu/drm/bridge/
F: drivers/gpu/drm/sti
F: Documentation/devicetree/bindings/display/st,stih4xx.txt
+ DRM DRIVERS FOR STM
+ M: Yannick Fertre <yannick.fertre@st.com>
+ M: Philippe Cornu <philippe.cornu@st.com>
+ L: dri-devel@lists.freedesktop.org
+ T: git git://anongit.freedesktop.org/drm/drm-misc
+ S: Maintained
+ F: drivers/gpu/drm/stm
+ F: Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
+
DRM DRIVER FOR TDFX VIDEO CARDS
S: Orphan / Obsolete
F: drivers/gpu/drm/tdfx/
L: linux-mips@linux-mips.org
S: Supported
F: drivers/edac/octeon_edac*
+F: drivers/edac/thunderx_edac*
EDAC-E752X
M: Mark Gross <mark.gross@intel.com>
F: tools/firewire/
FIRMWARE LOADER (request_firmware)
-M: Ming Lei <ming.lei@canonical.com>
M: Luis R. Rodriguez <mcgrof@kernel.org>
L: linux-kernel@vger.kernel.org
S: Maintained
K: fmc_d.*register
FPGA MANAGER FRAMEWORK
-M: Alan Tull <atull@opensource.altera.com>
+M: Alan Tull <atull@kernel.org>
R: Moritz Fischer <moritz.fischer@ettus.com>
L: linux-fpga@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/atull/linux-fpga.git
+F: Documentation/fpga/
+F: Documentation/devicetree/bindings/fpga/
F: drivers/fpga/
-F: include/linux/fpga/fpga-mgr.h
+F: include/linux/fpga/
W: http://www.rocketboards.org
FPU EMULATOR
L: linuxppc-dev@lists.ozlabs.org
L: linux-arm-kernel@lists.infradead.org
S: Maintained
+F: Documentation/devicetree/bindings/powerpc/fsl/
F: drivers/soc/fsl/
F: include/linux/fsl/
F: fs/fscache/
F: include/linux/fscache*.h
-FS-CRYPTO: FILE SYSTEM LEVEL ENCRYPTION SUPPORT
+FSCRYPT: FILE SYSTEM LEVEL ENCRYPTION SUPPORT
M: Theodore Y. Ts'o <tytso@mit.edu>
M: Jaegeuk Kim <jaegeuk@kernel.org>
-L: linux-fsdevel@vger.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
S: Supported
F: fs/crypto/
F: include/linux/fscrypt*.h
F: include/uapi/linux/fuse.h
F: Documentation/filesystems/fuse.txt
+FUTEX SUBSYSTEM
+M: Thomas Gleixner <tglx@linutronix.de>
+M: Ingo Molnar <mingo@redhat.com>
+R: Peter Zijlstra <peterz@infradead.org>
+R: Darren Hart <dvhart@infradead.org>
+L: linux-kernel@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core
+S: Maintained
+F: kernel/futex.c
+F: kernel/futex_compat.c
+F: include/asm-generic/futex.h
+F: include/linux/futex.h
+F: include/uapi/linux/futex.h
+F: tools/testing/selftests/futex/
+F: tools/perf/bench/futex*
+F: Documentation/*futex*
+
FUTURE DOMAIN TMC-16x0 SCSI DRIVER (16-bit)
M: Rik Faith <faith@cs.unc.edu>
L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/base/power/domain*.c
F: include/linux/pm_domain.h
+F: Documentation/devicetree/bindings/power/power_domain.txt
GENERIC UIO DRIVER FOR PCI DEVICES
M: "Michael S. Tsirkin" <mst@redhat.com>
F: include/linux/cciss_ioctl.h
F: include/uapi/linux/cciss_ioctl.h
+OPA-VNIC DRIVER
+M: Dennis Dalessandro <dennis.dalessandro@intel.com>
+M: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
+L: linux-rdma@vger.kernel.org
+S: Supported
+F: drivers/infiniband/ulp/opa_vnic
+
HFI1 DRIVER
M: Mike Marciniszyn <mike.marciniszyn@intel.com>
M: Dennis Dalessandro <dennis.dalessandro@intel.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi.git
S: Maintained
F: Documentation/ABI/testing/sysfs-bus-hsi
-F: Documentation/device-drivers/serial-interfaces.rst
+F: Documentation/driver-api/hsi.rst
F: drivers/hsi/
F: include/linux/hsi/
F: include/uapi/linux/hsi/
F: drivers/crypto/nx/nx_debugfs.h
IBM Power 842 compression accelerator
-M: Dan Streetman <ddstreet@ieee.org>
+M: Haren Myneni <haren@us.ibm.com>
S: Supported
F: drivers/crypto/nx/Makefile
F: drivers/crypto/nx/Kconfig
Q: http://patchwork.kernel.org/project/linux-rdma/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma.git
S: Supported
+F: Documentation/devicetree/bindings/infiniband/
F: Documentation/infiniband/
F: drivers/infiniband/
F: include/uapi/linux/if_infiniband.h
M: Henrik Rydberg <rydberg@bitmath.org>
L: linux-input@vger.kernel.org
S: Odd fixes
-F: Documentation/input/multi-touch-protocol.txt
+F: Documentation/input/multi-touch-protocol.rst
F: drivers/input/input-mt.c
K: \b(ABS|SYN)_MT_
S: Maintained
F: Documentation/devicetree/bindings/iommu/
F: drivers/iommu/
+F: include/linux/iommu.h
+F: include/linux/iova.h
IP MASQUERADING
M: Juanjo Ciarlante <jjciarla@raiz.uncu.edu.ar>
F: Documentation/s390/kvm.txt
F: arch/s390/include/asm/kvm*
F: arch/s390/kvm/
+F: arch/s390/mm/gmap.c
KERNEL VIRTUAL MACHINE (KVM) FOR ARM
M: Christoffer Dall <christoffer.dall@linaro.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
S: Supported
F: Documentation/ABI/stable/sysfs-firmware-opal-*
-F: Documentation/devicetree/bindings/powerpc/opal/
+F: Documentation/devicetree/bindings/powerpc/
F: Documentation/devicetree/bindings/rtc/rtc-opal.txt
F: Documentation/devicetree/bindings/i2c/i2c-opal.txt
F: Documentation/powerpc/
F: Documentation/hwmon/ltc4261
F: drivers/hwmon/ltc4261.c
+LTC4306 I2C MULTIPLEXER DRIVER
+M: Michael Hennerich <michael.hennerich@analog.com>
+W: http://ez.analog.com/community/linux-device-drivers
+L: linux-i2c@vger.kernel.org
+S: Supported
+F: drivers/i2c/muxes/i2c-mux-ltc4306.c
+F: Documentation/devicetree/bindings/i2c/i2c-mux-ltc4306.txt
+
LTP (Linux Test Project)
M: Mike Frysinger <vapier@gentoo.org>
M: Cyril Hrubis <chrubis@suse.cz>
S: Maintained
MARDUK (CREATOR CI40) DEVICE TREE SUPPORT
-M: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
+M: Rahul Bedarkar <rahulbedarkar89@gmail.com>
L: linux-mips@linux-mips.org
S: Maintained
F: arch/mips/boot/dts/img/pistachio_marduk.dts
F: drivers/net/ethernet/marvell/mvneta.*
MARVELL MWIFIEX WIRELESS DRIVER
-M: Amitkumar Karwar <akarwar@marvell.com>
+M: Amitkumar Karwar <amitkarwar@gmail.com>
M: Nishant Sarmukadam <nishants@marvell.com>
M: Ganapathi Bhat <gbhat@marvell.com>
M: Xinming Hu <huxm@marvell.com>
S: Odd Fixes
F: drivers/mmc/host/mvsdio.*
+MARVELL XENON MMC/SD/SDIO HOST CONTROLLER DRIVER
+M: Hu Ziji <huziji@marvell.com>
+L: linux-mmc@vger.kernel.org
+S: Supported
+F: drivers/mmc/host/sdhci-xenon*
+F: Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.txt
+
MATROX FRAMEBUFFER DRIVER
L: linux-fbdev@vger.kernel.org
S: Orphan
Q: http://patchwork.kernel.org/project/linux-media/list/
T: git git://linuxtv.org/media_tree.git
S: Maintained
+F: Documentation/devicetree/bindings/media/
F: Documentation/media/
F: drivers/media/
F: drivers/staging/media/
S: Maintained
F: drivers/net/ethernet/mediatek/
+MEDIATEK JPEG DRIVER
+M: Rick Chang <rick.chang@mediatek.com>
+M: Bin Liu <bin.liu@mediatek.com>
+S: Supported
+F: drivers/media/platform/mtk-jpeg/
+F: Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt
+
MEDIATEK MEDIA DRIVER
M: Tiffany Lin <tiffany.lin@mediatek.com>
M: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
M: Boris Brezillon <boris.brezillon@free-electrons.com>
M: Marek Vasut <marek.vasut@gmail.com>
M: Richard Weinberger <richard@nod.at>
-M: Cyrille Pitchen <cyrille.pitchen@atmel.com>
+M: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
L: linux-mtd@lists.infradead.org
W: http://www.linux-mtd.infradead.org/
Q: http://patchwork.ozlabs.org/project/linux-mtd/list/
-T: git git://git.infradead.org/linux-mtd.git
-T: git git://git.infradead.org/l2-mtd.git
+T: git git://git.infradead.org/linux-mtd.git master
+T: git git://git.infradead.org/l2-mtd.git master
S: Maintained
F: Documentation/devicetree/bindings/mtd/
F: drivers/mtd/
M: Richard Genoud <richard.genoud@gmail.com>
S: Maintained
F: drivers/tty/serial/atmel_serial.c
-F: include/linux/atmel_serial.h
+F: drivers/tty/serial/atmel_serial.h
MICROCHIP / ATMEL DMA DRIVER
M: Ludovic Desroches <ludovic.desroches@microchip.com>
L: linux-mtd@lists.infradead.org
W: http://www.linux-mtd.infradead.org/
Q: http://patchwork.ozlabs.org/project/linux-mtd/list/
-T: git git://github.com/linux-nand/linux.git
+T: git git://git.infradead.org/linux-mtd.git nand/fixes
+T: git git://git.infradead.org/l2-mtd.git nand/next
S: Maintained
F: drivers/mtd/nand/
F: include/linux/mtd/nand*.h
NETFILTER
M: Pablo Neira Ayuso <pablo@netfilter.org>
M: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
+M: Florian Westphal <fw@strlen.de>
L: netfilter-devel@vger.kernel.org
L: coreteam@netfilter.org
W: http://www.netfilter.org/
W: http://www.iptables.org/
+W: http://www.nftables.org/
Q: http://patchwork.ozlabs.org/project/netfilter-devel/list/
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
-S: Supported
+S: Maintained
F: include/linux/netfilter*
F: include/linux/netfilter/
F: include/net/netfilter/
Q: http://patchwork.ozlabs.org/project/netdev/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
+B: mailto:netdev@vger.kernel.org
S: Maintained
F: net/
F: include/net/
F: net/xfrm/
F: net/key/
F: net/ipv4/xfrm*
-F: net/ipv4/esp4.c
+F: net/ipv4/esp4*
F: net/ipv4/ah4.c
F: net/ipv4/ipcomp.c
F: net/ipv4/ip_vti.c
F: net/ipv6/xfrm*
-F: net/ipv6/esp6.c
+F: net/ipv6/esp6*
F: net/ipv6/ah6.c
F: net/ipv6/ipcomp6.c
F: net/ipv6/ip6_vti.c
F: drivers/net/ethernet/qlogic/netxen/
NFC SUBSYSTEM
-M: Lauro Ramos Venancio <lauro.venancio@openbossa.org>
-M: Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
M: Samuel Ortiz <sameo@linux.intel.com>
L: linux-wireless@vger.kernel.org
L: linux-nfc@lists.01.org (subscribers-only)
NVMEM FRAMEWORK
M: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
-M: Maxime Ripard <maxime.ripard@free-electrons.com>
S: Maintained
F: drivers/nvmem/
F: Documentation/devicetree/bindings/nvmem/
S: Maintained
F: drivers/char/pcmcia/cm4040_cs.*
+OMNIVISION OV5647 SENSOR DRIVER
+M: Ramiro Oliveira <roliveir@synopsys.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/ov5647.c
+
OMNIVISION OV7670 SENSOR DRIVER
M: Jonathan Corbet <corbet@lwn.net>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
S: Maintained
F: drivers/media/i2c/ov7670.c
+F: Documentation/devicetree/bindings/media/i2c/ov7670.txt
ONENAND FLASH DRIVER
M: Kyungmin Park <kyungmin.park@samsung.com>
F: drivers/oprofile/
F: include/linux/oprofile.h
+OP-TEE DRIVER
+M: Jens Wiklander <jens.wiklander@linaro.org>
+S: Maintained
+F: drivers/tee/optee/
+
ORACLE CLUSTER FILESYSTEM 2 (OCFS2)
M: Mark Fasheh <mfasheh@versity.com>
M: Joel Becker <jlbec@evilplan.org>
F: arch/x86/pci/
F: arch/x86/kernel/quirks.c
+PCI ENDPOINT SUBSYSTEM
+M: Kishon Vijay Abraham I <kishon@ti.com>
+L: linux-pci@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git
+S: Supported
+F: drivers/pci/endpoint/
+F: drivers/misc/pci_endpoint_test.c
+F: tools/pci/
+
PCI DRIVER FOR ALTERA PCIE IP
M: Ley Foon Tan <lftan@altera.com>
L: rfi@lists.rocketboards.org (moderated for non-subscribers)
F: Documentation/devicetree/bindings/pci/aardvark-pci.txt
F: drivers/pci/host/pci-aardvark.c
+PCI DRIVER FOR MICROSEMI SWITCHTEC
+M: Kurt Schwemmer <kurt.schwemmer@microsemi.com>
+M: Stephen Bates <stephen.bates@microsemi.com>
+M: Logan Gunthorpe <logang@deltatee.com>
+L: linux-pci@vger.kernel.org
+S: Maintained
+F: Documentation/switchtec.txt
+F: Documentation/ABI/testing/sysfs-class-switchtec
+F: drivers/pci/switch/switchtec*
+F: include/uapi/linux/switchtec_ioctl.h
+
PCI DRIVER FOR NVIDIA TEGRA
M: Thierry Reding <thierry.reding@gmail.com>
L: linux-tegra@vger.kernel.org
M: Sylwester Nawrocki <s.nawrocki@samsung.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+Q: https://patchwork.kernel.org/project/linux-samsung-soc/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung.git
S: Maintained
F: drivers/pinctrl/samsung/
F: include/dt-bindings/pinctrl/samsung.h
PMC SIERRA PM8001 DRIVER
M: Jack Wang <jinpu.wang@profitbricks.com>
M: lindar_liu@usish.com
-L: pmchba@pmcs.com
L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/pm8001/
PREEMPTIBLE KERNEL
M: Robert Love <rml@tech9.net>
L: kpreempt-tech@lists.sourceforge.net
-W: ftp://ftp.kernel.org/pub/linux/kernel/people/rml/preempt-kernel
+W: https://www.kernel.org/pub/linux/kernel/people/rml/preempt-kernel
S: Supported
F: Documentation/preempt-locking.txt
F: include/linux/preempt.h
F: drivers/pwm/
F: drivers/video/backlight/pwm_bl.c
F: include/linux/pwm_backlight.h
+F: drivers/gpio/gpio-mvebu.c
+F: Documentation/devicetree/bindings/gpio/gpio-mvebu.txt
PXA2xx/PXA3xx SUPPORT
M: Daniel Mack <daniel@zonque.org>
S: Maintained
F: drivers/video/fbdev/aty/aty128fb.c
+RAINSHADOW-CEC DRIVER
+M: Hans Verkuil <hverkuil@xs4all.nl>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/usb/rainshadow-cec/*
+
RALINK MIPS ARCHITECTURE
M: John Crispin <john@phrozen.org>
L: linux-mips@linux-mips.org
S: Supported
F: drivers/iommu/s390-iommu.c
+S390 VFIO-CCW DRIVER
+M: Cornelia Huck <cornelia.huck@de.ibm.com>
+M: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
+L: linux-s390@vger.kernel.org
+L: kvm@vger.kernel.org
+S: Supported
+F: drivers/s390/cio/vfio_ccw*
+F: Documentation/s390/vfio-ccw.txt
+F: include/uapi/linux/vfio_ccw.h
+
S3C24XX SD/MMC Driver
M: Ben Dooks <ben-linux@fluff.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Supported
F: sound/soc/samsung/
+SAMSUNG EXYNOS PSEUDO RANDOM NUMBER GENERATOR (RNG) DRIVER
+M: Krzysztof Kozlowski <krzk@kernel.org>
+L: linux-crypto@vger.kernel.org
+L: linux-samsung-soc@vger.kernel.org
+S: Maintained
+F: drivers/crypto/exynos-rng.c
+F: Documentation/devicetree/bindings/rng/samsung,exynos-rng4.txt
+
SAMSUNG FRAMEBUFFER DRIVER
M: Jingoo Han <jingoohan1@gmail.com>
L: linux-fbdev@vger.kernel.org
F: Documentation/devicetree/bindings/regulator/samsung,s5m*.txt
F: Documentation/devicetree/bindings/clock/samsung,s2mps11.txt
+SAMSUNG S5P Security SubSystem (SSS) DRIVER
+M: Krzysztof Kozlowski <krzk@kernel.org>
+M: Vladimir Zapolskiy <vz@mleia.com>
+L: linux-crypto@vger.kernel.org
+L: linux-samsung-soc@vger.kernel.org
+S: Maintained
+F: drivers/crypto/s5p-sss.c
+
SAMSUNG S5P/EXYNOS4 SOC SERIES CAMERA SUBSYSTEM DRIVERS
M: Kyungmin Park <kyungmin.park@samsung.com>
M: Sylwester Nawrocki <s.nawrocki@samsung.com>
F: include/linux/platform_data/dma-dw.h
F: drivers/dma/dw/
+SYNOPSYS DESIGNWARE ENTERPRISE ETHERNET DRIVER
+M: Jie Deng <jiedeng@synopsys.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/synopsys/
+
SYNOPSYS DESIGNWARE I2C DRIVER
M: Jarkko Nikula <jarkko.nikula@linux.intel.com>
R: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
F: include/linux/stm.h
F: include/uapi/linux/stm.h
+TEE SUBSYSTEM
+M: Jens Wiklander <jens.wiklander@linaro.org>
+S: Maintained
+F: include/linux/tee_drv.h
+F: include/uapi/linux/tee.h
+F: drivers/tee/
+F: Documentation/tee.txt
+
THUNDERBOLT DRIVER
M: Andreas Noever <andreas.noever@gmail.com>
S: Maintained
TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER
M: John Stultz <john.stultz@linaro.org>
M: Thomas Gleixner <tglx@linutronix.de>
+R: Stephen Boyd <sboyd@codeaurora.org>
L: linux-kernel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
S: Supported
F: drivers/net/ethernet/emulex/benet/
EMULEX ONECONNECT ROCE DRIVER
-M: Selvin Xavier <selvin.xavier@avagotech.com>
-M: Devesh Sharma <devesh.sharma@avagotech.com>
+M: Selvin Xavier <selvin.xavier@broadcom.com>
+M: Devesh Sharma <devesh.sharma@broadcom.com>
L: linux-rdma@vger.kernel.org
-W: http://www.emulex.com
-S: Supported
+W: http://www.broadcom.com
+S: Odd Fixes
F: drivers/infiniband/hw/ocrdma/
F: include/uapi/rdma/ocrdma-abi.h
F: drivers/clk/spear/
SPI NOR SUBSYSTEM
-M: Cyrille Pitchen <cyrille.pitchen@atmel.com>
+M: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
M: Marek Vasut <marek.vasut@gmail.com>
L: linux-mtd@lists.infradead.org
W: http://www.linux-mtd.infradead.org/
F: include/linux/taskstats*
F: kernel/taskstats.c
-TC CLASSIFIER
+TC subsystem
M: Jamal Hadi Salim <jhs@mojatatu.com>
+M: Cong Wang <xiyou.wangcong@gmail.com>
+M: Jiri Pirko <jiri@resnulli.us>
L: netdev@vger.kernel.org
S: Maintained
F: include/net/pkt_cls.h
+F: include/net/pkt_sched.h
+F: include/net/tc_act/
F: include/uapi/linux/pkt_cls.h
+F: include/uapi/linux/pkt_sched.h
+F: include/uapi/linux/tc_act/
+F: include/uapi/linux/tc_ematch/
F: net/sched/
TCP LOW PRIORITY MODULE
F: drivers/media/rc/ttusbir.c
TEGRA ARCHITECTURE SUPPORT
-M: Stephen Warren <swarren@wwwdotorg.org>
M: Thierry Reding <thierry.reding@gmail.com>
-M: Alexandre Courbot <gnurou@gmail.com>
+M: Jonathan Hunter <jonathanh@nvidia.com>
L: linux-tegra@vger.kernel.org
Q: http://patchwork.ozlabs.org/project/linux-tegra/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux.git
F: Documentation/devicetree/bindings/arm/keystone/ti,sci.txt
F: drivers/firmware/ti_sci*
F: include/linux/soc/ti/ti_sci_protocol.h
+F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
+F: include/dt-bindings/genpd/k2g.h
+F: drivers/soc/ti/ti_sci_pm_domains.c
THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
F: include/linux/clk/ti.h
TI ETHERNET SWITCH DRIVER (CPSW)
-M: Mugunthan V N <mugunthanvnm@ti.com>
R: Grygorii Strashko <grygorii.strashko@ti.com>
L: linux-omap@vger.kernel.org
L: netdev@vger.kernel.org
F: include/linux/usb.h
F: include/linux/usb/
+USB TYPEC SUBSYSTEM
+M: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+L: linux-usb@vger.kernel.org
+S: Maintained
+F: Documentation/ABI/testing/sysfs-class-typec
+F: Documentation/usb/typec.rst
+F: drivers/usb/typec/
+F: include/linux/usb/typec.h
+
USB UHCI DRIVER
M: Alan Stern <stern@rowland.harvard.edu>
L: linux-usb@vger.kernel.org
S: Maintained
F: include/linux/virtio_vsock.h
F: include/uapi/linux/virtio_vsock.h
+F: include/uapi/linux/vsockmon.h
+F: net/vmw_vsock/af_vsock_tap.c
F: net/vmw_vsock/virtio_transport_common.c
F: net/vmw_vsock/virtio_transport.c
+F: drivers/net/vsockmon.c
F: drivers/vhost/vsock.c
F: drivers/vhost/vsock.h
F: drivers/crypto/virtio/
VIRTIO DRIVERS FOR S390
-M: Christian Borntraeger <borntraeger@de.ibm.com>
M: Cornelia Huck <cornelia.huck@de.ibm.com>
+M: Halil Pasic <pasic@linux.vnet.ibm.com>
L: linux-s390@vger.kernel.org
L: virtualization@lists.linux-foundation.org
L: kvm@vger.kernel.org
S: Maintained
F: drivers/media/platform/vivid/*
+VIMC VIRTUAL MEDIA CONTROLLER DRIVER
+M: Helen Koike <helen.koike@collabora.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: https://linuxtv.org
+S: Maintained
+F: drivers/media/platform/vimc/*
+
VLYNQ BUS
M: Florian Fainelli <f.fainelli@gmail.com>
L: openwrt-devel@lists.openwrt.org (subscribers-only)
F: Documentation/devicetree/bindings/extcon/extcon-arizona.txt
F: Documentation/devicetree/bindings/regulator/arizona-regulator.txt
F: Documentation/devicetree/bindings/mfd/arizona.txt
+F: Documentation/devicetree/bindings/mfd/wm831x.txt
F: arch/arm/mach-s3c64xx/mach-crag6410*
F: drivers/clk/clk-wm83*.c
F: drivers/extcon/extcon-arizona.c
F: drivers/power/supply/wm83*.c
F: drivers/rtc/rtc-wm83*.c
F: drivers/regulator/wm8*.c
+F: drivers/regulator/arizona*
F: drivers/video/backlight/wm83*_bl.c
F: drivers/watchdog/wm83*_wdt.c
F: include/linux/mfd/arizona/
F: include/linux/mfd/wm831x/
F: include/linux/mfd/wm8350/
F: include/linux/mfd/wm8400*
+F: include/linux/regulator/arizona*
F: include/linux/wm97xx.h
F: include/sound/wm????.h
F: sound/soc/codecs/arizona.?
M: Henk Vergonet <Henk.Vergonet@gmail.com>
L: usbb2k-api-dev@nongnu.org
S: Maintained
-F: Documentation/input/yealink.txt
+F: Documentation/input/yealink.rst
F: drivers/input/misc/yealink.*
Z8530 DRIVER FOR AX.25
/*
* Copyright (C) 2012 Avionic Design GmbH
- * Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved.
+ * Copyright (C) 2012-2016 NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/bitops.h>
#include <linux/host1x.h>
+#include <linux/idr.h>
#include <linux/iommu.h>
#include <drm/drm_atomic.h>
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 0
+#define CARVEOUT_SZ SZ_64M
+
struct tegra_drm_file {
- struct list_head contexts;
+ struct idr contexts;
+ struct mutex lock;
};
static void tegra_atomic_schedule(struct tegra_drm *tegra,
return -ENOMEM;
if (iommu_present(&platform_bus_type)) {
+ u64 carveout_start, carveout_end, gem_start, gem_end;
struct iommu_domain_geometry *geometry;
- u64 start, end;
+ unsigned long order;
tegra->domain = iommu_domain_alloc(&platform_bus_type);
if (!tegra->domain) {
}
geometry = &tegra->domain->geometry;
- start = geometry->aperture_start;
- end = geometry->aperture_end;
-
- DRM_DEBUG_DRIVER("IOMMU aperture initialized (%#llx-%#llx)\n",
- start, end);
- drm_mm_init(&tegra->mm, start, end - start + 1);
+ gem_start = geometry->aperture_start;
+ gem_end = geometry->aperture_end - CARVEOUT_SZ;
+ carveout_start = gem_end + 1;
+ carveout_end = geometry->aperture_end;
+
+ order = __ffs(tegra->domain->pgsize_bitmap);
+ init_iova_domain(&tegra->carveout.domain, 1UL << order,
+ carveout_start >> order,
+ carveout_end >> order);
+
+ tegra->carveout.shift = iova_shift(&tegra->carveout.domain);
+ tegra->carveout.limit = carveout_end >> tegra->carveout.shift;
+
+ drm_mm_init(&tegra->mm, gem_start, gem_end - gem_start + 1);
+ mutex_init(&tegra->mm_lock);
+
+ DRM_DEBUG("IOMMU apertures:\n");
+ DRM_DEBUG(" GEM: %#llx-%#llx\n", gem_start, gem_end);
+ DRM_DEBUG(" Carveout: %#llx-%#llx\n", carveout_start,
+ carveout_end);
}
mutex_init(&tegra->clients_lock);
drm->mode_config.max_width = 4096;
drm->mode_config.max_height = 4096;
+ drm->mode_config.allow_fb_modifiers = true;
+
drm->mode_config.funcs = &tegra_drm_mode_funcs;
err = tegra_drm_fb_prepare(drm);
if (tegra->domain) {
iommu_domain_free(tegra->domain);
drm_mm_takedown(&tegra->mm);
+ mutex_destroy(&tegra->mm_lock);
+ put_iova_domain(&tegra->carveout.domain);
}
free:
kfree(tegra);
if (tegra->domain) {
iommu_domain_free(tegra->domain);
drm_mm_takedown(&tegra->mm);
+ mutex_destroy(&tegra->mm_lock);
+ put_iova_domain(&tegra->carveout.domain);
}
kfree(tegra);
if (!fpriv)
return -ENOMEM;
- INIT_LIST_HEAD(&fpriv->contexts);
+ idr_init(&fpriv->contexts);
+ mutex_init(&fpriv->lock);
filp->driver_priv = fpriv;
return 0;
#ifdef CONFIG_DRM_TEGRA_STAGING
-static struct tegra_drm_context *tegra_drm_get_context(__u64 context)
-{
- return (struct tegra_drm_context *)(uintptr_t)context;
-}
-
-static bool tegra_drm_file_owns_context(struct tegra_drm_file *file,
- struct tegra_drm_context *context)
+static struct tegra_drm_context *
+tegra_drm_file_get_context(struct tegra_drm_file *file, u32 id)
{
- struct tegra_drm_context *ctx;
+ struct tegra_drm_context *context;
- list_for_each_entry(ctx, &file->contexts, list)
- if (ctx == context)
- return true;
+ mutex_lock(&file->lock);
+ context = idr_find(&file->contexts, id);
+ mutex_unlock(&file->lock);
- return false;
+ return context;
}
static int tegra_gem_create(struct drm_device *drm, void *data,
&args->value);
}
+static int tegra_client_open(struct tegra_drm_file *fpriv,
+ struct tegra_drm_client *client,
+ struct tegra_drm_context *context)
+{
+ int err;
+
+ err = client->ops->open_channel(client, context);
+ if (err < 0)
+ return err;
+
+ err = idr_alloc(&fpriv->contexts, context, 0, 0, GFP_KERNEL);
+ if (err < 0) {
+ client->ops->close_channel(context);
+ return err;
+ }
+
+ context->client = client;
+ context->id = err;
+
+ return 0;
+}
+
static int tegra_open_channel(struct drm_device *drm, void *data,
struct drm_file *file)
{
if (!context)
return -ENOMEM;
+ mutex_lock(&fpriv->lock);
+
list_for_each_entry(client, &tegra->clients, list)
if (client->base.class == args->client) {
- err = client->ops->open_channel(client, context);
- if (err)
+ err = tegra_client_open(fpriv, client, context);
+ if (err < 0)
break;
- list_add(&context->list, &fpriv->contexts);
- args->context = (uintptr_t)context;
- context->client = client;
- return 0;
+ args->context = context->id;
+ break;
}
- kfree(context);
+ if (err < 0)
+ kfree(context);
+
+ mutex_unlock(&fpriv->lock);
return err;
}
struct tegra_drm_file *fpriv = file->driver_priv;
struct drm_tegra_close_channel *args = data;
struct tegra_drm_context *context;
+ int err = 0;
- context = tegra_drm_get_context(args->context);
+ mutex_lock(&fpriv->lock);
- if (!tegra_drm_file_owns_context(fpriv, context))
- return -EINVAL;
+ context = tegra_drm_file_get_context(fpriv, args->context);
+ if (!context) {
+ err = -EINVAL;
+ goto unlock;
+ }
- list_del(&context->list);
+ idr_remove(&fpriv->contexts, context->id);
tegra_drm_context_free(context);
- return 0;
+unlock:
+ mutex_unlock(&fpriv->lock);
+ return err;
}
static int tegra_get_syncpt(struct drm_device *drm, void *data,
struct drm_tegra_get_syncpt *args = data;
struct tegra_drm_context *context;
struct host1x_syncpt *syncpt;
+ int err = 0;
- context = tegra_drm_get_context(args->context);
+ mutex_lock(&fpriv->lock);
- if (!tegra_drm_file_owns_context(fpriv, context))
- return -ENODEV;
+ context = tegra_drm_file_get_context(fpriv, args->context);
+ if (!context) {
+ err = -ENODEV;
+ goto unlock;
+ }
- if (args->index >= context->client->base.num_syncpts)
- return -EINVAL;
+ if (args->index >= context->client->base.num_syncpts) {
+ err = -EINVAL;
+ goto unlock;
+ }
syncpt = context->client->base.syncpts[args->index];
args->id = host1x_syncpt_id(syncpt);
- return 0;
+unlock:
+ mutex_unlock(&fpriv->lock);
+ return err;
}
static int tegra_submit(struct drm_device *drm, void *data,
struct tegra_drm_file *fpriv = file->driver_priv;
struct drm_tegra_submit *args = data;
struct tegra_drm_context *context;
+ int err;
- context = tegra_drm_get_context(args->context);
+ mutex_lock(&fpriv->lock);
+
+ context = tegra_drm_file_get_context(fpriv, args->context);
+ if (!context) {
+ err = -ENODEV;
+ goto unlock;
+ }
- if (!tegra_drm_file_owns_context(fpriv, context))
- return -ENODEV;
+ err = context->client->ops->submit(context, args, drm, file);
- return context->client->ops->submit(context, args, drm, file);
+unlock:
+ mutex_unlock(&fpriv->lock);
+ return err;
}
static int tegra_get_syncpt_base(struct drm_device *drm, void *data,
struct tegra_drm_context *context;
struct host1x_syncpt_base *base;
struct host1x_syncpt *syncpt;
+ int err = 0;
- context = tegra_drm_get_context(args->context);
+ mutex_lock(&fpriv->lock);
- if (!tegra_drm_file_owns_context(fpriv, context))
- return -ENODEV;
+ context = tegra_drm_file_get_context(fpriv, args->context);
+ if (!context) {
+ err = -ENODEV;
+ goto unlock;
+ }
- if (args->syncpt >= context->client->base.num_syncpts)
- return -EINVAL;
+ if (args->syncpt >= context->client->base.num_syncpts) {
+ err = -EINVAL;
+ goto unlock;
+ }
syncpt = context->client->base.syncpts[args->syncpt];
base = host1x_syncpt_get_base(syncpt);
- if (!base)
- return -ENXIO;
+ if (!base) {
+ err = -ENXIO;
+ goto unlock;
+ }
args->id = host1x_syncpt_base_id(base);
- return 0;
+unlock:
+ mutex_unlock(&fpriv->lock);
+ return err;
}
static int tegra_gem_set_tiling(struct drm_device *drm, void *data,
.llseek = noop_llseek,
};
- static void tegra_drm_preclose(struct drm_device *drm, struct drm_file *file)
+static int tegra_drm_context_cleanup(int id, void *p, void *data)
+{
+ struct tegra_drm_context *context = p;
+
+ tegra_drm_context_free(context);
+
+ return 0;
+}
+
+ static void tegra_drm_postclose(struct drm_device *drm, struct drm_file *file)
{
struct tegra_drm_file *fpriv = file->driver_priv;
- struct tegra_drm_context *context, *tmp;
- list_for_each_entry_safe(context, tmp, &fpriv->contexts, list)
- tegra_drm_context_free(context);
+ mutex_lock(&fpriv->lock);
+ idr_for_each(&fpriv->contexts, tegra_drm_context_cleanup, NULL);
+ mutex_unlock(&fpriv->lock);
+ idr_destroy(&fpriv->contexts);
+ mutex_destroy(&fpriv->lock);
kfree(fpriv);
}
struct tegra_drm *tegra = drm->dev_private;
struct drm_printer p = drm_seq_file_printer(s);
+ mutex_lock(&tegra->mm_lock);
drm_mm_print(&tegra->mm, &p);
+ mutex_unlock(&tegra->mm_lock);
return 0;
}
.load = tegra_drm_load,
.unload = tegra_drm_unload,
.open = tegra_drm_open,
- .preclose = tegra_drm_preclose,
+ .postclose = tegra_drm_postclose,
.lastclose = tegra_drm_lastclose,
#if defined(CONFIG_DEBUG_FS)
return 0;
}
+void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size,
+ dma_addr_t *dma)
+{
+ struct iova *alloc;
+ void *virt;
+ gfp_t gfp;
+ int err;
+
+ if (tegra->domain)
+ size = iova_align(&tegra->carveout.domain, size);
+ else
+ size = PAGE_ALIGN(size);
+
+ gfp = GFP_KERNEL | __GFP_ZERO;
+ if (!tegra->domain) {
+ /*
+ * Many units only support 32-bit addresses, even on 64-bit
+ * SoCs. If there is no IOMMU to translate into a 32-bit IO
+ * virtual address space, force allocations to be in the
+ * lower 32-bit range.
+ */
+ gfp |= GFP_DMA;
+ }
+
+ virt = (void *)__get_free_pages(gfp, get_order(size));
+ if (!virt)
+ return ERR_PTR(-ENOMEM);
+
+ if (!tegra->domain) {
+ /*
+ * If IOMMU is disabled, devices address physical memory
+ * directly.
+ */
+ *dma = virt_to_phys(virt);
+ return virt;
+ }
+
+ alloc = alloc_iova(&tegra->carveout.domain,
+ size >> tegra->carveout.shift,
+ tegra->carveout.limit, true);
+ if (!alloc) {
+ err = -EBUSY;
+ goto free_pages;
+ }
+
+ *dma = iova_dma_addr(&tegra->carveout.domain, alloc);
+ err = iommu_map(tegra->domain, *dma, virt_to_phys(virt),
+ size, IOMMU_READ | IOMMU_WRITE);
+ if (err < 0)
+ goto free_iova;
+
+ return virt;
+
+free_iova:
+ __free_iova(&tegra->carveout.domain, alloc);
+free_pages:
+ free_pages((unsigned long)virt, get_order(size));
+
+ return ERR_PTR(err);
+}
+
+void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,
+ dma_addr_t dma)
+{
+ if (tegra->domain)
+ size = iova_align(&tegra->carveout.domain, size);
+ else
+ size = PAGE_ALIGN(size);
+
+ if (tegra->domain) {
+ iommu_unmap(tegra->domain, dma, size);
+ free_iova(&tegra->carveout.domain,
+ iova_pfn(&tegra->carveout.domain, dma));
+ }
+
+ free_pages((unsigned long)virt, get_order(size));
+}
+
static int host1x_drm_probe(struct host1x_device *dev)
{
struct drm_driver *driver = &tegra_drm_driver;
{ .compatible = "nvidia,tegra124-sor", },
{ .compatible = "nvidia,tegra124-hdmi", },
{ .compatible = "nvidia,tegra124-dsi", },
+ { .compatible = "nvidia,tegra124-vic", },
{ .compatible = "nvidia,tegra132-dsi", },
{ .compatible = "nvidia,tegra210-dc", },
{ .compatible = "nvidia,tegra210-dsi", },
{ .compatible = "nvidia,tegra210-sor", },
{ .compatible = "nvidia,tegra210-sor1", },
+ { .compatible = "nvidia,tegra210-vic", },
{ /* sentinel */ }
};
&tegra_sor_driver,
&tegra_gr2d_driver,
&tegra_gr3d_driver,
+ &tegra_vic_driver,
};
static int __init host1x_drm_init(void)
projects / karo-tx-linux.git / commitdiff