MAINTAINERS

M:	Mika Westerberg <mika.westerberg@linux.intel.com>
M:	Yehezkel Bernat <YehezkelShB@gmail.com>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/thunderbolt/

THUNDERX GPIO DRIVER
M:	Robert Richter <rric@kernel.org>
S:	Odd Fixes
F:	drivers/gpio/gpio-thunderx.c

TI ADS7924 ADC DRIVER
M:	Hugo Villeneuve <hvilleneuve@dimonoff.com>
L:	linux-iio@vger.kernel.org
S:	Supported
F:	Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml
F:	drivers/iio/adc/ti-ads7924.c

TI AM437X VPFE DRIVER
M:	"Lad, Prabhakar" <prabhakar.csengg@gmail.com>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	https://linuxtv.org
Q:	http://patchwork.linuxtv.org/project/linux-media/list/
T:	git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
F:	drivers/media/platform/ti/am437x/

TI BANDGAP AND THERMAL DRIVER
M:	Eduardo Valentin <edubezval@gmail.com>
M:	Keerthy <j-keerthy@ti.com>
L:	linux-pm@vger.kernel.org
L:	linux-omap@vger.kernel.org
S:	Maintained
F:	drivers/thermal/ti-soc-thermal/

TI BQ27XXX POWER SUPPLY DRIVER
F:	drivers/power/supply/bq27xxx_battery.c
F:	drivers/power/supply/bq27xxx_battery_i2c.c
F:	include/linux/power/bq27xxx_battery.h

TI CDCE706 CLOCK DRIVER
M:	Max Filippov <jcmvbkbc@gmail.com>
S:	Maintained
F:	drivers/clk/clk-cdce706.c

TI CLOCK DRIVER
M:	Tero Kristo <kristo@kernel.org>
L:	linux-omap@vger.kernel.org
S:	Odd Fixes
F:	drivers/clk/ti/
F:	include/linux/clk/ti.h

TI DAVINCI MACHINE SUPPORT
M:	Bartosz Golaszewski <brgl@bgdev.pl>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git
F:	Documentation/devicetree/bindings/i2c/i2c-davinci.txt
F:	arch/arm/boot/dts/da850*
F:	arch/arm/mach-davinci/
F:	drivers/i2c/busses/i2c-davinci.c

TI DAVINCI SERIES CLOCK DRIVER
M:	David Lechner <david@lechnology.com>
R:	Sekhar Nori <nsekhar@ti.com>
S:	Maintained
F:	Documentation/devicetree/bindings/clock/ti/davinci/
F:	drivers/clk/davinci/
F:	include/linux/clk/davinci.h

TI DAVINCI SERIES GPIO DRIVER
M:	Keerthy <j-keerthy@ti.com>
L:	linux-gpio@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/gpio/gpio-davinci.yaml
F:	drivers/gpio/gpio-davinci.c

TI DAVINCI SERIES MEDIA DRIVER
M:	"Lad, Prabhakar" <prabhakar.csengg@gmail.com>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	https://linuxtv.org
Q:	http://patchwork.linuxtv.org/project/linux-media/list/
T:	git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
F:	drivers/media/platform/ti/davinci/
F:	include/media/davinci/

TI ENHANCED CAPTURE (eCAP) DRIVER
M:	Vignesh Raghavendra <vigneshr@ti.com>
R:	Julien Panis <jpanis@baylibre.com>
L:	linux-iio@vger.kernel.org
L:	linux-omap@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/counter/ti,am62-ecap-capture.yaml
F:	drivers/counter/ti-ecap-capture.c

TI ENHANCED QUADRATURE ENCODER PULSE (eQEP) DRIVER
R:	David Lechner <david@lechnology.com>
L:	linux-iio@vger.kernel.org
F:	Documentation/devicetree/bindings/counter/ti-eqep.yaml
F:	drivers/counter/ti-eqep.c

TI ETHERNET SWITCH DRIVER (CPSW)
R:	Grygorii Strashko <grygorii.strashko@ti.com>
L:	linux-omap@vger.kernel.org
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/ti/cpsw*
F:	drivers/net/ethernet/ti/davinci*

TI FLASH MEDIA MEMORYSTICK/MMC DRIVERS
M:	Alex Dubov <oakad@yahoo.com>
S:	Maintained
W:	http://tifmxx.berlios.de/
F:	drivers/memstick/host/tifm_ms.c
F:	drivers/misc/tifm*
F:	drivers/mmc/host/tifm_sd.c
F:	include/linux/tifm.h

TI KEYSTONE MULTICORE NAVIGATOR DRIVERS
M:	Nishanth Menon <nm@ti.com>
M:	Santosh Shilimkar <ssantosh@kernel.org>
L:	linux-kernel@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ti/linux.git
F:	drivers/soc/ti/*

TI LM49xxx FAMILY ASoC CODEC DRIVERS
M:	M R Swami Reddy <mr.swami.reddy@ti.com>
M:	Vishwas A Deshpande <vishwas.a.deshpande@ti.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Maintained
F:	sound/soc/codecs/isabelle*
F:	sound/soc/codecs/lm49453*

TI LMP92064 ADC DRIVER
M:	Leonard Göhrs <l.goehrs@pengutronix.de>
R:	kernel@pengutronix.de
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/iio/adc/ti,lmp92064.yaml
F:	drivers/iio/adc/ti-lmp92064.c

TI PCM3060 ASoC CODEC DRIVER
M:	Kirill Marinushkin <kmarinushkin@birdec.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Maintained
F:	Documentation/devicetree/bindings/sound/pcm3060.txt
F:	sound/soc/codecs/pcm3060*

TI TAS571X FAMILY ASoC CODEC DRIVER
M:	Kevin Cernekee <cernekee@chromium.org>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Odd Fixes
F:	sound/soc/codecs/tas571x*

TI TMAG5273 MAGNETOMETER DRIVER
M:	Gerald Loacker <gerald.loacker@wolfvision.net>
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/iio/magnetometer/ti,tmag5273.yaml
F:	drivers/iio/magnetometer/tmag5273.c

TI TRF7970A NFC DRIVER
M:	Mark Greer <mgreer@animalcreek.com>
L:	linux-wireless@vger.kernel.org
S:	Supported
F:	Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
F:	drivers/nfc/trf7970a.c

TI TSC2046 ADC DRIVER
M:	Oleksij Rempel <o.rempel@pengutronix.de>
R:	kernel@pengutronix.de
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml
F:	drivers/iio/adc/ti-tsc2046.c

TI TWL4030 SERIES SOC CODEC DRIVER
M:	Peter Ujfalusi <peter.ujfalusi@gmail.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Maintained
F:	sound/soc/codecs/twl4030*

TI VPE/CAL DRIVERS
M:	Benoit Parrot <bparrot@ti.com>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	http://linuxtv.org/
Q:	http://patchwork.linuxtv.org/project/linux-media/list/
F:	Documentation/devicetree/bindings/media/ti,cal.yaml
F:	Documentation/devicetree/bindings/media/ti,vpe.yaml
F:	drivers/media/platform/ti/cal/
F:	drivers/media/platform/ti/vpe/

TI WILINK WIRELESS DRIVERS
L:	linux-wireless@vger.kernel.org
S:	Orphan
W:	https://wireless.wiki.kernel.org/en/users/Drivers/wl12xx
W:	https://wireless.wiki.kernel.org/en/users/Drivers/wl1251
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx.git
F:	drivers/net/wireless/ti/

TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER
M:	John Stultz <jstultz@google.com>
M:	Thomas Gleixner <tglx@linutronix.de>
R:	Stephen Boyd <sboyd@kernel.org>
L:	linux-kernel@vger.kernel.org
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
F:	include/linux/clocksource.h
F:	include/linux/time.h
F:	include/linux/timex.h
F:	include/uapi/linux/time.h
F:	include/uapi/linux/timex.h
F:	kernel/time/alarmtimer.c
F:	kernel/time/clocksource.c
F:	kernel/time/ntp.c
F:	kernel/time/time*.c
F:	tools/testing/selftests/timers/

TIPC NETWORK LAYER
M:	Jon Maloy <jmaloy@redhat.com>
M:	Ying Xue <ying.xue@windriver.com>
L:	netdev@vger.kernel.org (core kernel code)
L:	tipc-discussion@lists.sourceforge.net (user apps, general discussion)
S:	Maintained
W:	http://tipc.sourceforge.net/
F:	include/uapi/linux/tipc*.h
F:	net/tipc/

TLAN NETWORK DRIVER
M:	Samuel Chessman <chessman@tux.org>
L:	tlan-devel@lists.sourceforge.net (subscribers-only)
S:	Maintained
W:	http://sourceforge.net/projects/tlan/
F:	Documentation/networking/device_drivers/ethernet/ti/tlan.rst
F:	drivers/net/ethernet/ti/tlan.*

TMIO/SDHI MMC DRIVER
M:	Wolfram Sang <wsa+renesas@sang-engineering.com>
L:	linux-mmc@vger.kernel.org
L:	linux-renesas-soc@vger.kernel.org
S:	Supported
F:	drivers/mmc/host/renesas_sdhi*
F:	drivers/mmc/host/tmio_mmc*
F:	include/linux/mfd/tmio.h

TMP401 HARDWARE MONITOR DRIVER
M:	Guenter Roeck <linux@roeck-us.net>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
F:	Documentation/hwmon/tmp401.rst
F:	drivers/hwmon/tmp401.c

TMP464 HARDWARE MONITOR DRIVER
M:	Guenter Roeck <linux@roeck-us.net>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/hwmon/ti,tmp464.yaml
F:	Documentation/hwmon/tmp464.rst
F:	drivers/hwmon/tmp464.c

TMP513 HARDWARE MONITOR DRIVER
M:	Eric Tremblay <etremblay@distech-controls.com>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/hwmon/tmp513.rst
F:	drivers/hwmon/tmp513.c

TMPFS (SHMEM FILESYSTEM)
M:	Hugh Dickins <hughd@google.com>
L:	linux-mm@kvack.org
S:	Maintained
F:	include/linux/shmem_fs.h
F:	mm/shmem.c

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.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)
S:	Maintained
W:	https://tomoyo.osdn.jp/
F:	security/tomoyo/

TOPSTAR LAPTOP EXTRAS DRIVER
M:	Herton Ronaldo Krzesinski <herton@canonical.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/topstar-laptop.c

TORTURE-TEST MODULES
M:	Davidlohr Bueso <dave@stgolabs.net>
M:	"Paul E. McKenney" <paulmck@kernel.org>
M:	Josh Triplett <josh@joshtriplett.org>
L:	linux-kernel@vger.kernel.org
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev
F:	Documentation/RCU/torture.rst
F:	kernel/locking/locktorture.c
F:	kernel/rcu/rcuscale.c
F:	kernel/rcu/rcutorture.c
F:	kernel/rcu/refscale.c
F:	kernel/torture.c

TOSHIBA ACPI EXTRAS DRIVER
M:	Azael Avalos <coproscefalo@gmail.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/toshiba_acpi.c

TOSHIBA BLUETOOTH DRIVER
M:	Azael Avalos <coproscefalo@gmail.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/toshiba_bluetooth.c

TOSHIBA HDD ACTIVE PROTECTION SENSOR DRIVER
M:	Azael Avalos <coproscefalo@gmail.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/toshiba_haps.c

TOSHIBA SMM DRIVER
M:	Jonathan Buzzard <jonathan@buzzard.org.uk>
S:	Maintained
W:	http://www.buzzard.org.uk/toshiba/
F:	drivers/char/toshiba.c
F:	include/linux/toshiba.h
F:	include/uapi/linux/toshiba.h

TOSHIBA TC358743 DRIVER
M:	Hans Verkuil <hverkuil-cisco@xs4all.nl>
L:	linux-media@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/media/i2c/tc358743.txt
F:	drivers/media/i2c/tc358743*
F:	include/media/i2c/tc358743.h

TOSHIBA WMI HOTKEYS DRIVER
M:	Azael Avalos <coproscefalo@gmail.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/toshiba-wmi.c

TPM DEVICE DRIVER
M:	Peter Huewe <peterhuewe@gmx.de>
M:	Jarkko Sakkinen <jarkko@kernel.org>
R:	Jason Gunthorpe <jgg@ziepe.ca>
L:	linux-integrity@vger.kernel.org
S:	Maintained
W:	https://kernsec.org/wiki/index.php/Linux_Kernel_Integrity
Q:	https://patchwork.kernel.org/project/linux-integrity/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git
F:	drivers/char/tpm/

TPS546D24 DRIVER
M:	Duke Du <dukedu83@gmail.com>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/hwmon/tps546d24.rst
F:	drivers/hwmon/pmbus/tps546d24.c

TRACING
M:	Steven Rostedt <rostedt@goodmis.org>
M:	Masami Hiramatsu <mhiramat@kernel.org>
L:	linux-kernel@vger.kernel.org
L:	linux-trace-kernel@vger.kernel.org
Q:	https://patchwork.kernel.org/project/linux-trace-kernel/list/
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git
F:	Documentation/trace/*
F:	fs/tracefs/
F:	include/linux/trace*.h
F:	include/trace/
F:	kernel/trace/
F:	scripts/tracing/
F:	tools/testing/selftests/ftrace/

TRACING MMIO ACCESSES (MMIOTRACE)
M:	Steven Rostedt <rostedt@goodmis.org>
M:	Masami Hiramatsu <mhiramat@kernel.org>
R:	Karol Herbst <karolherbst@gmail.com>
R:	Pekka Paalanen <ppaalanen@gmail.com>
L:	linux-kernel@vger.kernel.org
L:	nouveau@lists.freedesktop.org
S:	Maintained
F:	arch/x86/mm/kmmio.c
F:	arch/x86/mm/mmio-mod.c
F:	arch/x86/mm/testmmiotrace.c
F:	include/linux/mmiotrace.h
F:	kernel/trace/trace_mmiotrace.c

TRACING OS NOISE / LATENCY TRACERS
M:	Steven Rostedt <rostedt@goodmis.org>
M:	Daniel Bristot de Oliveira <bristot@kernel.org>
S:	Maintained
F:	kernel/trace/trace_osnoise.c
F:	include/trace/events/osnoise.h
F:	kernel/trace/trace_hwlat.c
F:	kernel/trace/trace_irqsoff.c
F:	kernel/trace/trace_sched_wakeup.c
F:	Documentation/trace/osnoise-tracer.rst
F:	Documentation/trace/timerlat-tracer.rst
F:	Documentation/trace/hwlat_detector.rst
F:	arch/*/kernel/trace.c

Real-time Linux Analysis (RTLA) tools
M:	Daniel Bristot de Oliveira <bristot@kernel.org>
M:	Steven Rostedt <rostedt@goodmis.org>
L:	linux-trace-devel@vger.kernel.org
S:	Maintained
F:	Documentation/tools/rtla/
F:	tools/tracing/rtla/

TECHNICAL ADVISORY BOARD PROCESS DOCS
M:	"Theodore Ts'o" <tytso@mit.edu>
M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L:	tech-board-discuss@lists.linux-foundation.org
S:	Maintained
F:	Documentation/process/researcher-guidelines.rst
F:	Documentation/process/contribution-maturity-model.rst

TRADITIONAL CHINESE DOCUMENTATION
M:	Hu Haowen <src.res@email.cn>
L:	linux-doc-tw-discuss@lists.sourceforge.net (moderated for non-subscribers)
S:	Maintained
W:	https://github.com/srcres258/linux-doc
T:	git git://github.com/srcres258/linux-doc.git doc-zh-tw
F:	Documentation/translations/zh_TW/

TTY LAYER
M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
M:	Jiri Slaby <jirislaby@kernel.org>
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git
F:	Documentation/driver-api/serial/
F:	drivers/tty/
F:	drivers/tty/serial/serial_core.c
F:	include/linux/selection.h
F:	include/linux/serial.h
F:	include/linux/serial_core.h
F:	include/linux/sysrq.h
F:	include/linux/tty*.h
F:	include/linux/vt.h
F:	include/linux/vt_*.h
F:	include/uapi/linux/serial.h
F:	include/uapi/linux/serial_core.h
F:	include/uapi/linux/tty.h

TUA9001 MEDIA DRIVER
M:	Antti Palosaari <crope@iki.fi>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	https://linuxtv.org
W:	http://palosaari.fi/linux/
Q:	http://patchwork.linuxtv.org/project/linux-media/list/
T:	git git://linuxtv.org/anttip/media_tree.git
F:	drivers/media/tuners/tua9001*

TULIP NETWORK DRIVERS
L:	netdev@vger.kernel.org
L:	linux-parisc@vger.kernel.org
S:	Orphan
F:	drivers/net/ethernet/dec/tulip/

TUN/TAP driver
M:	Maxim Krasnyansky <maxk@qti.qualcomm.com>
S:	Maintained
W:	http://vtun.sourceforge.net/tun
F:	Documentation/networking/tuntap.rst
F:	arch/um/os-Linux/drivers/

TURBOCHANNEL SUBSYSTEM
M:	"Maciej W. Rozycki" <macro@orcam.me.uk>
M:	Ralf Baechle <ralf@linux-mips.org>
L:	linux-mips@vger.kernel.org
S:	Maintained
Q:	http://patchwork.linux-mips.org/project/linux-mips/list/
F:	drivers/tc/
F:	include/linux/tc.h

TURBOSTAT UTILITY
M:	"Len Brown" <lenb@kernel.org>
L:	linux-pm@vger.kernel.org
S:	Supported
Q:	https://patchwork.kernel.org/project/linux-pm/list/
B:	https://bugzilla.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux.git turbostat
F:	tools/power/x86/turbostat/

TW5864 VIDEO4LINUX DRIVER
M:	Bluecherry Maintainers <maintainers@bluecherrydvr.com>
M:	Anton Sviridenko <anton@corp.bluecherry.net>
M:	Andrey Utkin <andrey.utkin@corp.bluecherry.net>
M:	Andrey Utkin <andrey_utkin@fastmail.com>
L:	linux-media@vger.kernel.org
S:	Supported
F:	drivers/media/pci/tw5864/

TW68 VIDEO4LINUX DRIVER
M:	Hans Verkuil <hverkuil@xs4all.nl>
L:	linux-media@vger.kernel.org
S:	Odd Fixes
W:	https://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/pci/tw68/

TW686X VIDEO4LINUX DRIVER
M:	Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	http://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/pci/tw686x/

U-BOOT ENVIRONMENT VARIABLES
M:	Rafał Miłecki <rafal@milecki.pl>
S:	Maintained
F:	Documentation/devicetree/bindings/nvmem/u-boot,env.yaml
F:	drivers/nvmem/u-boot-env.c

UACCE ACCELERATOR FRAMEWORK
M:	Zhangfei Gao <zhangfei.gao@linaro.org>
M:	Zhou Wang <wangzhou1@hisilicon.com>
L:	linux-accelerators@lists.ozlabs.org
L:	linux-kernel@vger.kernel.org
S:	Maintained
F:	Documentation/ABI/testing/sysfs-driver-uacce
F:	Documentation/misc-devices/uacce.rst
F:	drivers/misc/uacce/
F:	include/linux/uacce.h
F:	include/uapi/misc/uacce/

UBI FILE SYSTEM (UBIFS)
M:	Richard Weinberger <richard@nod.at>
L:	linux-mtd@lists.infradead.org
S:	Supported
W:	http://www.linux-mtd.infradead.org/doc/ubifs.html
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git next
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git fixes
F:	Documentation/ABI/testing/sysfs-fs-ubifs
F:	Documentation/filesystems/ubifs-authentication.rst
F:	Documentation/filesystems/ubifs.rst
F:	fs/ubifs/

UBLK USERSPACE BLOCK DRIVER
M:	Ming Lei <ming.lei@redhat.com>
L:	linux-block@vger.kernel.org
S:	Maintained
F:	Documentation/block/ublk.rst
F:	drivers/block/ublk_drv.c
F:	include/uapi/linux/ublk_cmd.h

UCLINUX (M68KNOMMU AND COLDFIRE)
M:	Greg Ungerer <gerg@linux-m68k.org>
L:	linux-m68k@lists.linux-m68k.org
S:	Maintained
W:	http://www.linux-m68k.org/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu.git
F:	arch/m68k/*/*_no.*
F:	arch/m68k/68*/
F:	arch/m68k/coldfire/
F:	arch/m68k/include/asm/*_no.*

UDF FILESYSTEM
M:	Jan Kara <jack@suse.com>
S:	Maintained
F:	Documentation/filesystems/udf.rst
F:	fs/udf/

UDRAW TABLET
M:	Bastien Nocera <hadess@hadess.net>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	drivers/hid/hid-udraw-ps3.c

UFS FILESYSTEM
M:	Evgeniy Dushistov <dushistov@mail.ru>
S:	Maintained
F:	Documentation/admin-guide/ufs.rst
F:	fs/ufs/

UHID USERSPACE HID IO DRIVER
M:	David Rheinsberg <david.rheinsberg@gmail.com>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	drivers/hid/uhid.c
F:	include/uapi/linux/uhid.h

ULPI BUS
M:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/common/ulpi.c
F:	include/linux/ulpi/

UNICODE SUBSYSTEM
M:	Gabriel Krisman Bertazi <krisman@collabora.com>
L:	linux-fsdevel@vger.kernel.org
S:	Supported
F:	fs/unicode/

UNIFDEF
M:	Tony Finch <dot@dotat.at>
S:	Maintained
W:	http://dotat.at/prog/unifdef
F:	scripts/unifdef.c

UNIFORM CDROM DRIVER
M:	Phillip Potter <phil@philpotter.co.uk>
S:	Maintained
F:	Documentation/cdrom/
F:	drivers/cdrom/cdrom.c
F:	include/linux/cdrom.h
F:	include/uapi/linux/cdrom.h

UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER
R:	Alim Akhtar <alim.akhtar@samsung.com>
R:	Avri Altman <avri.altman@wdc.com>
R:	Bart Van Assche <bvanassche@acm.org>
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	Documentation/devicetree/bindings/ufs/
F:	Documentation/scsi/ufs.rst
F:	drivers/ufs/core/

UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER DWC HOOKS
M:	Pedro Sousa <pedrom.sousa@synopsys.com>
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	drivers/ufs/host/*dwc*

UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER EXYNOS HOOKS
M:	Alim Akhtar <alim.akhtar@samsung.com>
L:	linux-scsi@vger.kernel.org
S:	Maintained
F:	drivers/ufs/host/ufs-exynos*

UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER MEDIATEK HOOKS
M:	Stanley Chu <stanley.chu@mediatek.com>
L:	linux-scsi@vger.kernel.org
L:	linux-mediatek@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	drivers/ufs/host/ufs-mediatek*

UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER QUALCOMM HOOKS
M:	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
L:	linux-arm-msm@vger.kernel.org
L:	linux-scsi@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
F:	drivers/ufs/host/ufs-qcom*

UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER RENESAS HOOKS
M:	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
L:	linux-renesas-soc@vger.kernel.org
L:	linux-scsi@vger.kernel.org
S:	Maintained
F:	drivers/ufs/host/ufs-renesas.c

UNSORTED BLOCK IMAGES (UBI)
M:	Richard Weinberger <richard@nod.at>
L:	linux-mtd@lists.infradead.org
S:	Supported
W:	http://www.linux-mtd.infradead.org/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git next
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git fixes
F:	drivers/mtd/ubi/
F:	include/linux/mtd/ubi.h
F:	include/uapi/mtd/ubi-user.h

USB "USBNET" DRIVER FRAMEWORK
M:	Oliver Neukum <oneukum@suse.com>
L:	netdev@vger.kernel.org
S:	Maintained
W:	http://www.linux-usb.org/usbnet
F:	drivers/net/usb/usbnet.c
F:	include/linux/usb/usbnet.h

USB ACM DRIVER
M:	Oliver Neukum <oneukum@suse.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	Documentation/usb/acm.rst
F:	drivers/usb/class/cdc-acm.*

USB APPLE MFI FASTCHARGE DRIVER
M:	Bastien Nocera <hadess@hadess.net>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/misc/apple-mfi-fastcharge.c

USB AR5523 WIRELESS DRIVER
M:	Pontus Fuchs <pontus.fuchs@gmail.com>
L:	linux-wireless@vger.kernel.org
S:	Maintained
F:	drivers/net/wireless/ath/ar5523/

USB ATTACHED SCSI
M:	Oliver Neukum <oneukum@suse.com>
L:	linux-usb@vger.kernel.org
L:	linux-scsi@vger.kernel.org
S:	Maintained
F:	drivers/usb/storage/uas.c

USB CDC ETHERNET DRIVER
M:	Oliver Neukum <oliver@neukum.org>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/net/usb/cdc_*.c
F:	include/uapi/linux/usb/cdc.h

USB CHAOSKEY DRIVER
M:	Keith Packard <keithp@keithp.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/misc/chaoskey.c

USB CYPRESS C67X00 DRIVER
L:	linux-usb@vger.kernel.org
S:	Orphan
F:	drivers/usb/c67x00/

USB DAVICOM DM9601 DRIVER
M:	Peter Korsgaard <peter@korsgaard.com>
L:	netdev@vger.kernel.org
S:	Maintained
W:	http://www.linux-usb.org/usbnet
F:	drivers/net/usb/dm9601.c

USB EHCI DRIVER
M:	Alan Stern <stern@rowland.harvard.edu>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	Documentation/usb/ehci.rst
F:	drivers/usb/host/ehci*

USB HID/HIDBP DRIVERS (USB KEYBOARDS, MICE, REMOTE CONTROLS, ...)
M:	Jiri Kosina <jikos@kernel.org>
M:	Benjamin Tissoires <benjamin.tissoires@redhat.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git
F:	Documentation/hid/hiddev.rst
F:	drivers/hid/usbhid/

USB INTEL XHCI ROLE MUX DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/roles/intel-xhci-usb-role-switch.c

USB IP DRIVER FOR HISILICON KIRIN 960
M:	Yu Chen <chenyu56@huawei.com>
M:	Binghui Wang <wangbinghui@hisilicon.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/phy/hisilicon,hi3660-usb3.yaml
F:	drivers/phy/hisilicon/phy-hi3660-usb3.c

USB IP DRIVER FOR HISILICON KIRIN 970
M:	Mauro Carvalho Chehab <mchehab@kernel.org>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/phy/hisilicon,hi3670-usb3.yaml
F:	drivers/phy/hisilicon/phy-hi3670-usb3.c

USB ISP116X DRIVER
M:	Olav Kongas <ok@artecdesign.ee>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/host/isp116x*
F:	include/linux/usb/isp116x.h

USB ISP1760 DRIVER
M:	Rui Miguel Silva <rui.silva@linaro.org>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/isp1760/*
F:	Documentation/devicetree/bindings/usb/nxp,isp1760.yaml

USB LAN78XX ETHERNET DRIVER
M:	Woojung Huh <woojung.huh@microchip.com>
M:	UNGLinuxDriver@microchip.com
L:	netdev@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/net/microchip,lan78xx.txt
F:	drivers/net/usb/lan78xx.*
F:	include/dt-bindings/net/microchip-lan78xx.h

USB MASS STORAGE DRIVER
M:	Alan Stern <stern@rowland.harvard.edu>
L:	linux-usb@vger.kernel.org
L:	usb-storage@lists.one-eyed-alien.net
S:	Maintained
F:	drivers/usb/storage/

USB MIDI DRIVER
M:	Clemens Ladisch <clemens@ladisch.de>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
F:	sound/usb/midi.*

USB NETWORKING DRIVERS
L:	linux-usb@vger.kernel.org
S:	Odd Fixes
F:	drivers/net/usb/

USB OHCI DRIVER
M:	Alan Stern <stern@rowland.harvard.edu>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	Documentation/usb/ohci.rst
F:	drivers/usb/host/ohci*

USB OTG FSM (Finite State Machine)
M:	Peter Chen <peter.chen@kernel.org>
L:	linux-usb@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb.git
F:	drivers/usb/common/usb-otg-fsm.c

USB OVER IP DRIVER
M:	Valentina Manea <valentina.manea.m@gmail.com>
M:	Shuah Khan <shuah@kernel.org>
M:	Shuah Khan <skhan@linuxfoundation.org>
R:	Hongren Zheng <i@zenithal.me>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	Documentation/usb/usbip_protocol.rst
F:	drivers/usb/usbip/
F:	tools/testing/selftests/drivers/usb/usbip/
F:	tools/usb/usbip/

USB PEGASUS DRIVER
M:	Petko Manolov <petkan@nucleusys.com>
L:	linux-usb@vger.kernel.org
L:	netdev@vger.kernel.org
S:	Maintained
W:	https://github.com/petkan/pegasus
T:	git https://github.com/petkan/pegasus.git
F:	drivers/net/usb/pegasus.*

USB PRINTER DRIVER (usblp)
M:	Pete Zaitcev <zaitcev@redhat.com>
L:	linux-usb@vger.kernel.org
S:	Supported
F:	drivers/usb/class/usblp.c

USB RAW GADGET DRIVER
R:	Andrey Konovalov <andreyknvl@gmail.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	Documentation/usb/raw-gadget.rst
F:	drivers/usb/gadget/legacy/raw_gadget.c
F:	include/uapi/linux/usb/raw_gadget.h

USB QMI WWAN NETWORK DRIVER
M:	Bjørn Mork <bjorn@mork.no>
L:	netdev@vger.kernel.org
S:	Maintained
F:	Documentation/ABI/testing/sysfs-class-net-qmi
F:	drivers/net/usb/qmi_wwan.c

USB RTL8150 DRIVER
M:	Petko Manolov <petkan@nucleusys.com>
L:	linux-usb@vger.kernel.org
L:	netdev@vger.kernel.org
S:	Maintained
W:	https://github.com/petkan/rtl8150
T:	git https://github.com/petkan/rtl8150.git
F:	drivers/net/usb/rtl8150.c

USB SERIAL SUBSYSTEM
M:	Johan Hovold <johan@kernel.org>
L:	linux-usb@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial.git
F:	Documentation/usb/usb-serial.rst
F:	drivers/usb/serial/
F:	include/linux/usb/serial.h

USB SMSC75XX ETHERNET DRIVER
M:	Steve Glendinning <steve.glendinning@shawell.net>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/usb/smsc75xx.*

USB SMSC95XX ETHERNET DRIVER
M:	Steve Glendinning <steve.glendinning@shawell.net>
M:	UNGLinuxDriver@microchip.com
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/usb/smsc95xx.*

USB SUBSYSTEM
M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L:	linux-usb@vger.kernel.org
S:	Supported
W:	http://www.linux-usb.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
F:	Documentation/devicetree/bindings/usb/
F:	Documentation/usb/
F:	drivers/usb/
F:	include/dt-bindings/usb/
F:	include/linux/usb.h
F:	include/linux/usb/

USB TYPEC BUS FOR ALTERNATE MODES
M:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	Documentation/ABI/testing/sysfs-bus-typec
F:	Documentation/driver-api/usb/typec_bus.rst
F:	drivers/usb/typec/altmodes/
F:	include/linux/usb/typec_altmode.h

USB TYPEC CLASS
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/driver-api/usb/typec.rst
F:	drivers/usb/typec/
F:	include/linux/usb/typec.h

USB TYPEC INTEL PMC MUX DRIVER
M:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	Documentation/firmware-guide/acpi/intel-pmc-mux.rst
F:	drivers/usb/typec/mux/intel_pmc_mux.c

USB TYPEC PI3USB30532 MUX DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/typec/mux/pi3usb30532.c

USB TYPEC PORT CONTROLLER DRIVERS
M:	Guenter Roeck <linux@roeck-us.net>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/typec/tcpm/

USB UHCI DRIVER
M:	Alan Stern <stern@rowland.harvard.edu>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/host/uhci*

USB VIDEO CLASS
M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	http://www.ideasonboard.org/uvc/
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/usb/uvc/
F:	include/uapi/linux/uvcvideo.h

USB WEBCAM GADGET
M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
M:	Daniel Scally <dan.scally@ideasonboard.com>
L:	linux-usb@vger.kernel.org
S:	Maintained
F:	drivers/usb/gadget/function/*uvc*
F:	drivers/usb/gadget/legacy/webcam.c
F:	include/uapi/linux/usb/g_uvc.h

USB WIRELESS RNDIS DRIVER (rndis_wlan)
M:	Jussi Kivilinna <jussi.kivilinna@iki.fi>
L:	linux-wireless@vger.kernel.org
S:	Maintained
F:	drivers/net/wireless/legacy/rndis_wlan.c

USB XHCI DRIVER
M:	Mathias Nyman <mathias.nyman@intel.com>
L:	linux-usb@vger.kernel.org
S:	Supported
F:	drivers/usb/host/pci-quirks*
F:	drivers/usb/host/xhci*

USB ZD1201 DRIVER
L:	linux-wireless@vger.kernel.org
S:	Orphan
W:	http://linux-lc100020.sourceforge.net
F:	drivers/net/wireless/zydas/zd1201.*

USER DATAGRAM PROTOCOL (UDP)
M:	Willem de Bruijn <willemdebruijn.kernel@gmail.com>
S:	Maintained
F:	include/linux/udp.h
F:	net/ipv4/udp.c