MAINTAINERS

CAPABILITIES
M:	Serge Hallyn <serge@hallyn.com>
L:	linux-security-module@vger.kernel.org
S:	Supported
F:	include/linux/capability.h
F:	include/uapi/linux/capability.h
F:	kernel/capability.c
F:	security/commoncap.c

CAPELLA MICROSYSTEMS LIGHT SENSOR DRIVER
M:	Kevin Tsai <ktsai@capellamicro.com>
S:	Maintained
F:	drivers/iio/light/cm*

CARL9170 LINUX COMMUNITY WIRELESS DRIVER
M:	Christian Lamparter <chunkeey@googlemail.com>
L:	linux-wireless@vger.kernel.org
S:	Maintained
W:	https://wireless.wiki.kernel.org/en/users/Drivers/carl9170
F:	drivers/net/wireless/ath/carl9170/

CAVIUM I2C DRIVER
M:	Robert Richter <rric@kernel.org>
S:	Odd Fixes
W:	http://www.marvell.com
F:	drivers/i2c/busses/i2c-octeon*
F:	drivers/i2c/busses/i2c-thunderx*

CAVIUM LIQUIDIO NETWORK DRIVER
M:	Derek Chickles <dchickles@marvell.com>
M:	Satanand Burla <sburla@marvell.com>
M:	Felix Manlunas <fmanlunas@marvell.com>
L:	netdev@vger.kernel.org
S:	Supported
W:	http://www.marvell.com
F:	drivers/net/ethernet/cavium/liquidio/

CAVIUM MMC DRIVER
M:	Robert Richter <rric@kernel.org>
S:	Odd Fixes
W:	http://www.marvell.com
F:	drivers/mmc/host/cavium*

CAVIUM OCTEON-TX CRYPTO DRIVER
M:	George Cherian <gcherian@marvell.com>
L:	linux-crypto@vger.kernel.org
S:	Supported
W:	http://www.marvell.com
F:	drivers/crypto/cavium/cpt/

CAVIUM THUNDERX2 ARM64 SOC
M:	Robert Richter <rric@kernel.org>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Odd Fixes
F:	Documentation/devicetree/bindings/arm/cavium-thunder2.txt
F:	arch/arm64/boot/dts/cavium/thunder2-99xx*

CC2520 IEEE-802.15.4 RADIO DRIVER
M:	Varka Bhadram <varkabhadram@gmail.com>
L:	linux-wpan@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/net/ieee802154/cc2520.txt
F:	drivers/net/ieee802154/cc2520.c
F:	include/linux/spi/cc2520.h

CCREE ARM TRUSTZONE CRYPTOCELL REE DRIVER
M:	Gilad Ben-Yossef <gilad@benyossef.com>
L:	linux-crypto@vger.kernel.org
S:	Supported
W:	https://developer.arm.com/products/system-ip/trustzone-cryptocell/cryptocell-700-family
F:	drivers/crypto/ccree/

CCTRNG ARM TRUSTZONE CRYPTOCELL TRUE RANDOM NUMBER GENERATOR (TRNG) DRIVER
M:	Hadar Gat <hadar.gat@arm.com>
L:	linux-crypto@vger.kernel.org
S:	Supported
F:	drivers/char/hw_random/cctrng.c
F:	drivers/char/hw_random/cctrng.h
F:	Documentation/devicetree/bindings/rng/arm-cctrng.yaml
W:	https://developer.arm.com/products/system-ip/trustzone-cryptocell/cryptocell-700-family

CEC FRAMEWORK
M:	Hans Verkuil <hverkuil-cisco@xs4all.nl>
L:	linux-media@vger.kernel.org
S:	Supported
W:	http://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/ABI/testing/debugfs-cec-error-inj
F:	Documentation/devicetree/bindings/media/cec.txt
F:	Documentation/driver-api/media/cec-core.rst
F:	Documentation/userspace-api/media/cec
F:	drivers/media/cec/
F:	drivers/media/rc/keymaps/rc-cec.c
F:	include/media/cec-notifier.h
F:	include/media/cec.h
F:	include/uapi/linux/cec-funcs.h
F:	include/uapi/linux/cec.h

CEC GPIO DRIVER
M:	Hans Verkuil <hverkuil-cisco@xs4all.nl>
L:	linux-media@vger.kernel.org
S:	Supported
W:	http://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/cec-gpio.txt
F:	drivers/media/cec/platform/cec-gpio/

CELL BROADBAND ENGINE ARCHITECTURE
M:	Arnd Bergmann <arnd@arndb.de>
L:	linuxppc-dev@lists.ozlabs.org
S:	Supported
W:	http://www.ibm.com/developerworks/power/cell/
F:	arch/powerpc/include/asm/cell*.h
F:	arch/powerpc/include/asm/spu*.h
F:	arch/powerpc/include/uapi/asm/spu*.h
F:	arch/powerpc/platforms/cell/

CELLWISE CW2015 BATTERY DRIVER
M:	Tobias Schrammm <t.schramm@manjaro.org>
S:	Maintained
F:	Documentation/devicetree/bindings/power/supply/cw2015_battery.yaml
F:	drivers/power/supply/cw2015_battery.c

CEPH COMMON CODE (LIBCEPH)
M:	Ilya Dryomov <idryomov@gmail.com>
M:	Jeff Layton <jlayton@kernel.org>
L:	ceph-devel@vger.kernel.org
S:	Supported
W:	http://ceph.com/
T:	git git://github.com/ceph/ceph-client.git
F:	include/linux/ceph/
F:	include/linux/crush/
F:	net/ceph/

CEPH DISTRIBUTED FILE SYSTEM CLIENT (CEPH)
M:	Jeff Layton <jlayton@kernel.org>
M:	Ilya Dryomov <idryomov@gmail.com>
L:	ceph-devel@vger.kernel.org
S:	Supported
W:	http://ceph.com/
T:	git git://github.com/ceph/ceph-client.git
F:	Documentation/filesystems/ceph.rst
F:	fs/ceph/

CERTIFICATE HANDLING
M:	David Howells <dhowells@redhat.com>
M:	David Woodhouse <dwmw2@infradead.org>
L:	keyrings@vger.kernel.org
S:	Maintained
F:	Documentation/admin-guide/module-signing.rst
F:	certs/
F:	scripts/extract-cert.c
F:	scripts/sign-file.c

CFAG12864B LCD DRIVER
M:	Miguel Ojeda <ojeda@kernel.org>
S:	Maintained
F:	drivers/auxdisplay/cfag12864b.c
F:	include/linux/cfag12864b.h

CFAG12864BFB LCD FRAMEBUFFER DRIVER
M:	Miguel Ojeda <ojeda@kernel.org>
S:	Maintained
F:	drivers/auxdisplay/cfag12864bfb.c
F:	include/linux/cfag12864b.h

CHAR and MISC DRIVERS
M:	Arnd Bergmann <arnd@arndb.de>
M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
F:	drivers/char/
F:	drivers/misc/
F:	include/linux/miscdevice.h
X:	drivers/char/agp/
X:	drivers/char/hw_random/
X:	drivers/char/ipmi/
X:	drivers/char/random.c
X:	drivers/char/tpm/

CHECKPATCH
M:	Andy Whitcroft <apw@canonical.com>
M:	Joe Perches <joe@perches.com>
S:	Maintained
F:	scripts/checkpatch.pl

CHINESE DOCUMENTATION
M:	Harry Wei <harryxiyou@gmail.com>
M:	Alex Shi <alex.shi@linux.alibaba.com>
L:	xiyoulinuxkernelgroup@googlegroups.com (subscribers-only)
S:	Maintained
F:	Documentation/translations/zh_CN/

CHIPIDEA USB HIGH SPEED DUAL ROLE CONTROLLER
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/chipidea/

CHIPONE ICN8318 I2C TOUCHSCREEN DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/input/touchscreen/chipone_icn8318.txt
F:	drivers/input/touchscreen/chipone_icn8318.c

CHIPONE ICN8505 I2C TOUCHSCREEN DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	drivers/input/touchscreen/chipone_icn8505.c

CHROME HARDWARE PLATFORM SUPPORT
M:	Benson Leung <bleung@chromium.org>
M:	Enric Balletbo i Serra <enric.balletbo@collabora.com>
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux.git
F:	drivers/platform/chrome/

CHROMEOS EC CODEC DRIVER
M:	Cheng-Yi Chiang <cychiang@chromium.org>
R:	Enric Balletbo i Serra <enric.balletbo@collabora.com>
R:	Guenter Roeck <groeck@chromium.org>
S:	Maintained
F:	Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml
F:	sound/soc/codecs/cros_ec_codec.*

CHROMEOS EC SUBDRIVERS
M:	Benson Leung <bleung@chromium.org>
M:	Enric Balletbo i Serra <enric.balletbo@collabora.com>
R:	Guenter Roeck <groeck@chromium.org>
S:	Maintained
F:	drivers/power/supply/cros_usbpd-charger.c
N:	cros_ec
N:	cros-ec

CHRONTEL CH7322 CEC DRIVER
M:	Jeff Chase <jnchase@google.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml
F:	drivers/media/cec/i2c/ch7322.c

CIRRUS LOGIC AUDIO CODEC DRIVERS
M:	James Schulman <james.schulman@cirrus.com>
M:	David Rhodes <david.rhodes@cirrus.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
L:	patches@opensource.cirrus.com
S:	Maintained
F:	sound/soc/codecs/cs*

CIRRUS LOGIC EP93XX ETHERNET DRIVER
M:	Hartley Sweeten <hsweeten@visionengravers.com>
L:	netdev@vger.kernel.org
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:	Documentation/devicetree/bindings/clock/cirrus,lochnagar.yaml
F:	Documentation/devicetree/bindings/hwmon/cirrus,lochnagar.yaml
F:	Documentation/devicetree/bindings/mfd/cirrus,lochnagar.yaml
F:	Documentation/devicetree/bindings/pinctrl/cirrus,lochnagar.yaml
F:	Documentation/devicetree/bindings/sound/cirrus,lochnagar.yaml
F:	Documentation/hwmon/lochnagar.rst
F:	drivers/clk/clk-lochnagar.c
F:	drivers/hwmon/lochnagar-hwmon.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:	sound/soc/codecs/lochnagar-sc.c

CIRRUS LOGIC MADERA CODEC DRIVERS
M:	Charles Keepax <ckeepax@opensource.cirrus.com>
M:	Richard Fitzgerald <rf@opensource.cirrus.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
L:	patches@opensource.cirrus.com
S:	Supported
W:	https://github.com/CirrusLogic/linux-drivers/wiki
T:	git https://github.com/CirrusLogic/linux-drivers.git
F:	Documentation/devicetree/bindings/mfd/cirrus,madera.yaml
F:	Documentation/devicetree/bindings/pinctrl/cirrus,madera.yaml
F:	Documentation/devicetree/bindings/sound/cirrus,madera.yaml
F:	drivers/gpio/gpio-madera*
F:	drivers/irqchip/irq-madera*
F:	drivers/mfd/cs47l*
F:	drivers/mfd/madera*
F:	drivers/pinctrl/cirrus/*
F:	include/dt-bindings/sound/madera*
F:	include/linux/irqchip/irq-madera*
F:	include/linux/mfd/madera/*
F:	include/sound/madera*
F:	sound/soc/codecs/cs47l*
F:	sound/soc/codecs/madera*

CISCO FCOE HBA DRIVER
M:	Satish Kharat <satishkh@cisco.com>
M:	Sesidhar Baddela <sebaddel@cisco.com>
M:	Karan Tilak Kumar <kartilak@cisco.com>
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	drivers/scsi/fnic/

CISCO SCSI HBA DRIVER
M:	Karan Tilak Kumar <kartilak@cisco.com>
M:	Sesidhar Baddela <sebaddel@cisco.com>
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	drivers/scsi/snic/

CISCO VIC ETHERNET NIC DRIVER
M:	Christian Benvenuti <benve@cisco.com>
M:	Govindarajulu Varadarajan <_govind@gmx.com>
S:	Supported
F:	drivers/net/ethernet/cisco/enic/

CISCO VIC LOW LATENCY NIC DRIVER
M:	Christian Benvenuti <benve@cisco.com>
M:	Nelson Escobar <neescoba@cisco.com>
S:	Supported
F:	drivers/infiniband/hw/usnic/

CLANG-FORMAT FILE
M:	Miguel Ojeda <ojeda@kernel.org>
S:	Maintained
F:	.clang-format

CLANG/LLVM BUILD SUPPORT
M:	Nathan Chancellor <nathan@kernel.org>
M:	Nick Desaulniers <ndesaulniers@google.com>
L:	clang-built-linux@googlegroups.com
S:	Supported
W:	https://clangbuiltlinux.github.io/
B:	https://github.com/ClangBuiltLinux/linux/issues
C:	irc://chat.freenode.net/clangbuiltlinux
F:	Documentation/kbuild/llvm.rst
F:	include/linux/compiler-clang.h
F:	scripts/clang-tools/
K:	\b(?i:clang|llvm)\b

CLEANCACHE API
M:	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
L:	linux-kernel@vger.kernel.org
S:	Maintained
F:	include/linux/cleancache.h
F:	mm/cleancache.c

CLK API
M:	Russell King <linux@armlinux.org.uk>
L:	linux-clk@vger.kernel.org
S:	Maintained
F:	include/linux/clk.h

CLOCKSOURCE, CLOCKEVENT DRIVERS
M:	Daniel Lezcano <daniel.lezcano@linaro.org>
M:	Thomas Gleixner <tglx@linutronix.de>
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:	Documentation/devicetree/bindings/timer/
F:	drivers/clocksource/

CMPC ACPI DRIVER
M:	Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
M:	Daniel Oliveira Nascimento <don@syst.com.br>
L:	platform-driver-x86@vger.kernel.org
S:	Supported
F:	drivers/platform/x86/classmate-laptop.c

COBALT MEDIA DRIVER
M:	Hans Verkuil <hverkuil-cisco@xs4all.nl>
L:	linux-media@vger.kernel.org
S:	Supported
W:	https://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/pci/cobalt/

COCCINELLE/Semantic Patches (SmPL)
M:	Julia Lawall <Julia.Lawall@inria.fr>
M:	Gilles Muller <Gilles.Muller@inria.fr>
M:	Nicolas Palix <nicolas.palix@imag.fr>
M:	Michal Marek <michal.lkml@markovi.net>
L:	cocci@systeme.lip6.fr (moderated for non-subscribers)
S:	Supported
W:	http://coccinelle.lip6.fr/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git misc
F:	Documentation/dev-tools/coccinelle.rst
F:	scripts/coccicheck
F:	scripts/coccinelle/

CODA FILE SYSTEM
M:	Jan Harkes <jaharkes@cs.cmu.edu>
M:	coda@cs.cmu.edu
L:	codalist@coda.cs.cmu.edu
S:	Maintained
W:	http://www.coda.cs.cmu.edu/
F:	Documentation/filesystems/coda.rst
F:	fs/coda/
F:	include/linux/coda*.h
F:	include/uapi/linux/coda*.h

CODA V4L2 MEM2MEM DRIVER
M:	Philipp Zabel <p.zabel@pengutronix.de>
L:	linux-media@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/media/coda.yaml
F:	drivers/media/platform/coda/

CODE OF CONDUCT
M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
S:	Supported
F:	Documentation/process/code-of-conduct-interpretation.rst
F:	Documentation/process/code-of-conduct.rst

COMMON CLK FRAMEWORK
M:	Michael Turquette <mturquette@baylibre.com>
M:	Stephen Boyd <sboyd@kernel.org>
L:	linux-clk@vger.kernel.org
S:	Maintained
Q:	http://patchwork.kernel.org/project/linux-clk/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git
F:	Documentation/devicetree/bindings/clock/
F:	drivers/clk/
F:	include/linux/clk-pr*
F:	include/linux/clk/
F:	include/linux/of_clk.h
X:	drivers/clk/clkdev.c

COMMON INTERNET FILE SYSTEM (CIFS)
M:	Steve French <sfrench@samba.org>
L:	linux-cifs@vger.kernel.org
L:	samba-technical@lists.samba.org (moderated for non-subscribers)
S:	Supported
W:	http://linux-cifs.samba.org/
T:	git git://git.samba.org/sfrench/cifs-2.6.git
F:	Documentation/admin-guide/cifs/
F:	fs/cifs/

COMPACTPCI HOTPLUG CORE
M:	Scott Murray <scott@spiteful.org>
L:	linux-pci@vger.kernel.org
S:	Maintained
F:	drivers/pci/hotplug/cpci_hotplug*

COMPACTPCI HOTPLUG GENERIC DRIVER
M:	Scott Murray <scott@spiteful.org>
L:	linux-pci@vger.kernel.org
S:	Maintained
F:	drivers/pci/hotplug/cpcihp_generic.c

COMPACTPCI HOTPLUG ZIATECH ZT5550 DRIVER
M:	Scott Murray <scott@spiteful.org>
L:	linux-pci@vger.kernel.org
S:	Maintained
F:	drivers/pci/hotplug/cpcihp_zt5550.*

COMPAL LAPTOP SUPPORT
M:	Cezary Jackiewicz <cezary.jackiewicz@gmail.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/compal-laptop.c

COMPILER ATTRIBUTES
M:	Miguel Ojeda <ojeda@kernel.org>
S:	Maintained
F:	include/linux/compiler_attributes.h

COMPUTE EXPRESS LINK (CXL)
M:	Alison Schofield <alison.schofield@intel.com>
M:	Vishal Verma <vishal.l.verma@intel.com>
M:	Ira Weiny <ira.weiny@intel.com>
M:	Ben Widawsky <ben.widawsky@intel.com>
M:	Dan Williams <dan.j.williams@intel.com>
L:	linux-cxl@vger.kernel.org
S:	Maintained
F:	drivers/cxl/
F:	include/uapi/linux/cxl_mem.h

CONEXANT ACCESSRUNNER USB DRIVER
L:	accessrunner-general@lists.sourceforge.net
S:	Orphan
W:	http://accessrunner.sourceforge.net/
F:	drivers/usb/atm/cxacru.c

CONFIGFS
M:	Joel Becker <jlbec@evilplan.org>
M:	Christoph Hellwig <hch@lst.de>
S:	Supported
T:	git git://git.infradead.org/users/hch/configfs.git
F:	fs/configfs/
F:	include/linux/configfs.h
F:	samples/configfs/

CONSOLE SUBSYSTEM
M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
S:	Supported
F:	drivers/video/console/
F:	include/linux/console*

CONTROL GROUP (CGROUP)
M:	Tejun Heo <tj@kernel.org>
M:	Zefan Li <lizefan.x@bytedance.com>
M:	Johannes Weiner <hannes@cmpxchg.org>
L:	cgroups@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
F:	Documentation/admin-guide/cgroup-v1/
F:	Documentation/admin-guide/cgroup-v2.rst
F:	include/linux/cgroup*
F:	kernel/cgroup/

CONTROL GROUP - BLOCK IO CONTROLLER (BLKIO)
M:	Tejun Heo <tj@kernel.org>
M:	Jens Axboe <axboe@kernel.dk>
L:	cgroups@vger.kernel.org
L:	linux-block@vger.kernel.org
T:	git git://git.kernel.dk/linux-block
F:	Documentation/admin-guide/cgroup-v1/blkio-controller.rst
F:	block/bfq-cgroup.c
F:	block/blk-cgroup.c
F:	block/blk-iolatency.c
F:	block/blk-throttle.c
F:	include/linux/blk-cgroup.h

CONTROL GROUP - CPUSET
M:	Zefan Li <lizefan.x@bytedance.com>
L:	cgroups@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
F:	Documentation/admin-guide/cgroup-v1/cpusets.rst
F:	include/linux/cpuset.h
F:	kernel/cgroup/cpuset.c

CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)
M:	Johannes Weiner <hannes@cmpxchg.org>
M:	Michal Hocko <mhocko@kernel.org>
M:	Vladimir Davydov <vdavydov.dev@gmail.com>
L:	cgroups@vger.kernel.org
L:	linux-mm@kvack.org
S:	Maintained
F:	mm/memcontrol.c
F:	mm/swap_cgroup.c

CORETEMP HARDWARE MONITORING DRIVER
M:	Fenghua Yu <fenghua.yu@intel.com>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/hwmon/coretemp.rst
F:	drivers/hwmon/coretemp.c

CORSAIR-CPRO HARDWARE MONITOR DRIVER
M:	Marius Zachmann <mail@mariuszachmann.de>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	drivers/hwmon/corsair-cpro.c

CORSAIR-PSU HARDWARE MONITOR DRIVER
M:	Wilken Gottwalt <wilken.gottwalt@posteo.net>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/hwmon/corsair-psu.rst
F:	drivers/hwmon/corsair-psu.c

COSA/SRP SYNC SERIAL DRIVER
M:	Jan "Yenya" Kasprzak <kas@fi.muni.cz>
S:	Maintained
W:	http://www.fi.muni.cz/~kas/cosa/
F:	drivers/net/wan/cosa*

COUNTER SUBSYSTEM
M:	William Breathitt Gray <vilhelm.gray@gmail.com>
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/ABI/testing/sysfs-bus-counter*
F:	Documentation/driver-api/generic-counter.rst
F:	drivers/counter/
F:	include/linux/counter.h
F:	include/linux/counter_enum.h

CPMAC ETHERNET DRIVER
M:	Florian Fainelli <f.fainelli@gmail.com>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/ti/cpmac.c

CPU FREQUENCY DRIVERS - VEXPRESS SPC ARM BIG LITTLE
M:	Viresh Kumar <viresh.kumar@linaro.org>
M:	Sudeep Holla <sudeep.holla@arm.com>
L:	linux-pm@vger.kernel.org
S:	Maintained
W:	http://www.arm.com/products/processors/technologies/biglittleprocessing.php
F:	drivers/cpufreq/vexpress-spc-cpufreq.c

CPU FREQUENCY SCALING FRAMEWORK
M:	"Rafael J. Wysocki" <rjw@rjwysocki.net>
M:	Viresh Kumar <viresh.kumar@linaro.org>
L:	linux-pm@vger.kernel.org
S:	Maintained
B:	https://bugzilla.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git (For ARM Updates)
F:	Documentation/admin-guide/pm/cpufreq.rst
F:	Documentation/admin-guide/pm/intel_pstate.rst
F:	Documentation/cpu-freq/
F:	Documentation/devicetree/bindings/cpufreq/
F:	drivers/cpufreq/
F:	include/linux/cpufreq.h
F:	include/linux/sched/cpufreq.h
F:	kernel/sched/cpufreq*.c
F:	tools/testing/selftests/cpufreq/

CPU IDLE TIME MANAGEMENT FRAMEWORK
M:	"Rafael J. Wysocki" <rjw@rjwysocki.net>
M:	Daniel Lezcano <daniel.lezcano@linaro.org>
L:	linux-pm@vger.kernel.org
S:	Maintained
B:	https://bugzilla.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
F:	Documentation/admin-guide/pm/cpuidle.rst
F:	Documentation/driver-api/pm/cpuidle.rst
F:	drivers/cpuidle/
F:	include/linux/cpuidle.h

CPU POWER MONITORING SUBSYSTEM
M:	Thomas Renninger <trenn@suse.com>
M:	Shuah Khan <shuah@kernel.org>
M:	Shuah Khan <skhan@linuxfoundation.org>
L:	linux-pm@vger.kernel.org
S:	Maintained
F:	tools/power/cpupower/

CPUID/MSR DRIVER
M:	"H. Peter Anvin" <hpa@zytor.com>
S:	Maintained
F:	arch/x86/kernel/cpuid.c
F:	arch/x86/kernel/msr.c

CPUIDLE DRIVER - ARM BIG LITTLE
M:	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
M:	Daniel Lezcano <daniel.lezcano@linaro.org>
L:	linux-pm@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
F:	drivers/cpuidle/cpuidle-big_little.c

CPUIDLE DRIVER - ARM EXYNOS
M:	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
M:	Daniel Lezcano <daniel.lezcano@linaro.org>
M:	Kukjin Kim <kgene@kernel.org>
L:	linux-pm@vger.kernel.org
L:	linux-samsung-soc@vger.kernel.org
S:	Supported
F:	arch/arm/mach-exynos/pm.c
F:	drivers/cpuidle/cpuidle-exynos.c
F:	include/linux/platform_data/cpuidle-exynos.h

CPUIDLE DRIVER - ARM PSCI
M:	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
M:	Sudeep Holla <sudeep.holla@arm.com>
L:	linux-pm@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org
S:	Supported
F:	drivers/cpuidle/cpuidle-psci.c

CPUIDLE DRIVER - ARM PSCI PM DOMAIN
M:	Ulf Hansson <ulf.hansson@linaro.org>
L:	linux-pm@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org
S:	Supported
F:	drivers/cpuidle/cpuidle-psci.h
F:	drivers/cpuidle/cpuidle-psci-domain.c

CRAMFS FILESYSTEM
M:	Nicolas Pitre <nico@fluxnic.net>
S:	Maintained
F:	Documentation/filesystems/cramfs.rst
F:	fs/cramfs/

CREATIVE SB0540
M:	Bastien Nocera <hadess@hadess.net>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	drivers/hid/hid-creative-sb0540.c

CRYPTO API
M:	Herbert Xu <herbert@gondor.apana.org.au>
M:	"David S. Miller" <davem@davemloft.net>
L:	linux-crypto@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git
F:	Documentation/crypto/
F:	Documentation/devicetree/bindings/crypto/
F:	arch/*/crypto/
F:	crypto/
F:	drivers/crypto/
F:	include/crypto/
F:	include/linux/crypto*
F:	lib/crypto/

CRYPTOGRAPHIC RANDOM NUMBER GENERATOR
M:	Neil Horman <nhorman@tuxdriver.com>
L:	linux-crypto@vger.kernel.org
S:	Maintained
F:	crypto/ansi_cprng.c
F:	crypto/rng.c

CS3308 MEDIA DRIVER
M:	Hans Verkuil <hverkuil@xs4all.nl>
L:	linux-media@vger.kernel.org
S:	Odd Fixes
W:	http://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/i2c/cs3308.c

CS5535 Audio ALSA driver
M:	Jaya Kumar <jayakumar.alsa@gmail.com>
S:	Maintained
F:	sound/pci/cs5535audio/

CSI DRIVERS FOR ALLWINNER V3s
M:	Yong Deng <yong.deng@magewell.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
F:	drivers/media/platform/sunxi/sun6i-csi/

CW1200 WLAN driver
M:	Solomon Peachy <pizza@shaftnet.org>
S:	Maintained
F:	drivers/net/wireless/st/cw1200/

CX18 VIDEO4LINUX DRIVER
M:	Andy Walls <awalls@md.metrocast.net>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	https://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/pci/cx18/
F:	include/uapi/linux/ivtv*

CX2341X MPEG ENCODER HELPER MODULE
M:	Hans Verkuil <hverkuil@xs4all.nl>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	https://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/common/cx2341x*
F:	include/media/drv-intf/cx2341x.h

CX24120 MEDIA DRIVER
M:	Jemma Denson <jdenson@gmail.com>
M:	Patrick Boettcher <patrick.boettcher@posteo.de>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	https://linuxtv.org
Q:	http://patchwork.linuxtv.org/project/linux-media/list/
F:	drivers/media/dvb-frontends/cx24120*

CX88 VIDEO4LINUX DRIVER
M:	Mauro Carvalho Chehab <mchehab@kernel.org>
L:	linux-media@vger.kernel.org
S:	Odd fixes
W:	https://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/driver-api/media/drivers/cx88*
F:	drivers/media/pci/cx88/

CXD2820R 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/dvb-frontends/cxd2820r*

CXGB3 ETHERNET DRIVER (CXGB3)
M:	Raju Rangoju <rajur@chelsio.com>
L:	netdev@vger.kernel.org
S:	Supported
W:	http://www.chelsio.com
F:	drivers/net/ethernet/chelsio/cxgb3/

CXGB3 ISCSI DRIVER (CXGB3I)
M:	Karen Xie <kxie@chelsio.com>
L:	linux-scsi@vger.kernel.org
S:	Supported
W:	http://www.chelsio.com
F:	drivers/scsi/cxgbi/cxgb3i

CXGB4 CRYPTO DRIVER (chcr)
M:	Ayush Sawal <ayush.sawal@chelsio.com>
M:	Vinay Kumar Yadav <vinay.yadav@chelsio.com>
M:	Rohit Maheshwari <rohitm@chelsio.com>
L:	linux-crypto@vger.kernel.org
S:	Supported
W:	http://www.chelsio.com
F:	drivers/crypto/chelsio

CXGB4 INLINE CRYPTO DRIVER
M:	Ayush Sawal <ayush.sawal@chelsio.com>
M:	Vinay Kumar Yadav <vinay.yadav@chelsio.com>
M:	Rohit Maheshwari <rohitm@chelsio.com>
L:	netdev@vger.kernel.org
S:	Supported
W:	http://www.chelsio.com
F:	drivers/net/ethernet/chelsio/inline_crypto/

CXGB4 ETHERNET DRIVER (CXGB4)
M:	Raju Rangoju <rajur@chelsio.com>
L:	netdev@vger.kernel.org
S:	Supported
W:	http://www.chelsio.com
F:	drivers/net/ethernet/chelsio/cxgb4/

CXGB4 ISCSI DRIVER (CXGB4I)
M:	Karen Xie <kxie@chelsio.com>
L:	linux-scsi@vger.kernel.org
S:	Supported
W:	http://www.chelsio.com
F:	drivers/scsi/cxgbi/cxgb4i

CXGB4 IWARP RNIC DRIVER (IW_CXGB4)
M:	Potnuri Bharat Teja <bharat@chelsio.com>
L:	linux-rdma@vger.kernel.org
S:	Supported
W:	http://www.openfabrics.org
F:	drivers/infiniband/hw/cxgb4/
F:	include/uapi/rdma/cxgb4-abi.h

CXGB4VF ETHERNET DRIVER (CXGB4VF)
M:	Raju Rangoju <rajur@chelsio.com>
L:	netdev@vger.kernel.org
S:	Supported
W:	http://www.chelsio.com
F:	drivers/net/ethernet/chelsio/cxgb4vf/

CXL (IBM Coherent Accelerator Processor Interface CAPI) DRIVER
M:	Frederic Barrat <fbarrat@linux.ibm.com>
M:	Andrew Donnellan <ajd@linux.ibm.com>
L:	linuxppc-dev@lists.ozlabs.org
S:	Supported
F:	Documentation/ABI/testing/sysfs-class-cxl
F:	Documentation/powerpc/cxl.rst
F:	arch/powerpc/platforms/powernv/pci-cxl.c
F:	drivers/misc/cxl/
F:	include/misc/cxl*
F:	include/uapi/misc/cxl.h

CXLFLASH (IBM Coherent Accelerator Processor Interface CAPI Flash) SCSI DRIVER
M:	Manoj N. Kumar <manoj@linux.ibm.com>
M:	Matthew R. Ochs <mrochs@linux.ibm.com>
M:	Uma Krishnan <ukrishn@linux.ibm.com>
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	Documentation/powerpc/cxlflash.rst
F:	drivers/scsi/cxlflash/
F:	include/uapi/scsi/cxlflash_ioctl.h

CYBERPRO FB DRIVER
M:	Russell King <linux@armlinux.org.uk>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
W:	http://www.armlinux.org.uk/
F:	drivers/video/fbdev/cyber2000fb.*

CYCLADES ASYNC MUX DRIVER
S:	Orphan
W:	http://www.cyclades.com/
F:	drivers/tty/cyclades.c
F:	include/linux/cyclades.h
F:	include/uapi/linux/cyclades.h

CYCLADES PC300 DRIVER
S:	Orphan
W:	http://www.cyclades.com/
F:	drivers/net/wan/pc300*

CYPRESS_FIRMWARE 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/common/cypress_firmware*

CYPRESS CY8CTMA140 TOUCHSCREEN DRIVER
M:	Linus Walleij <linus.walleij@linaro.org>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	drivers/input/touchscreen/cy8ctma140.c

CYTTSP TOUCHSCREEN DRIVER
M:	Ferruh Yigit <fery@cypress.com>
L:	linux-input@vger.kernel.org
S:	Supported
F:	drivers/input/touchscreen/cyttsp*
F:	include/linux/input/cyttsp.h

D-LINK DIR-685 TOUCHKEYS DRIVER
M:	Linus Walleij <linus.walleij@linaro.org>
L:	linux-input@vger.kernel.org
S:	Supported
F:	drivers/input/keyboard/dlink-dir685-touchkeys.c

DALLAS/MAXIM DS1685-FAMILY REAL TIME CLOCK
M:	Joshua Kinard <kumba@gentoo.org>
S:	Maintained
F:	drivers/rtc/rtc-ds1685.c
F:	include/linux/rtc/ds1685.h

DAMA SLAVE for AX.25
M:	Joerg Reuter <jreuter@yaina.de>
L:	linux-hams@vger.kernel.org
S:	Maintained
W:	http://yaina.de/jreuter/
W:	http://www.qsl.net/dl1bke/
F:	net/ax25/af_ax25.c
F:	net/ax25/ax25_dev.c
F:	net/ax25/ax25_ds_*
F:	net/ax25/ax25_in.c
F:	net/ax25/ax25_out.c
F:	net/ax25/ax25_timer.c
F:	net/ax25/sysctl_net_ax25.c

DAVICOM FAST ETHERNET (DMFE) NETWORK DRIVER
L:	netdev@vger.kernel.org
S:	Orphan
F:	Documentation/networking/device_drivers/ethernet/dec/dmfe.rst
F:	drivers/net/ethernet/dec/tulip/dmfe.c

DC390/AM53C974 SCSI driver
M:	Hannes Reinecke <hare@suse.com>
L:	linux-scsi@vger.kernel.org
S:	Maintained
F:	drivers/scsi/am53c974.c

DC395x SCSI driver
M:	Oliver Neukum <oliver@neukum.org>
M:	Ali Akcaagac <aliakc@web.de>
M:	Jamie Lenehan <lenehan@twibble.org>
L:	dc395x@twibble.org
S:	Maintained
W:	http://twibble.org/dist/dc395x/
W:	http://lists.twibble.org/mailman/listinfo/dc395x/
F:	Documentation/scsi/dc395x.rst
F:	drivers/scsi/dc395x.*

DCCP PROTOCOL
L:	dccp@vger.kernel.org
S:	Orphan
W:	http://www.linuxfoundation.org/collaborate/workgroups/networking/dccp
F:	include/linux/dccp.h
F:	include/linux/tfrc.h
F:	include/uapi/linux/dccp.h
F:	net/dccp/

DECnet NETWORK LAYER
L:	linux-decnet-user@lists.sourceforge.net
S:	Orphan
W:	http://linux-decnet.sourceforge.net
F:	Documentation/networking/decnet.rst
F:	net/decnet/

DECSTATION PLATFORM SUPPORT
M:	"Maciej W. Rozycki" <macro@orcam.me.uk>
L:	linux-mips@vger.kernel.org
S:	Maintained
W:	http://www.linux-mips.org/wiki/DECstation
F:	arch/mips/dec/
F:	arch/mips/include/asm/dec/
F:	arch/mips/include/asm/mach-dec/

DEFXX FDDI NETWORK DRIVER
M:	"Maciej W. Rozycki" <macro@orcam.me.uk>
S:	Maintained
F:	drivers/net/fddi/defxx.*

DEFZA FDDI NETWORK DRIVER
M:	"Maciej W. Rozycki" <macro@orcam.me.uk>
S:	Maintained
F:	drivers/net/fddi/defza.*

DEINTERLACE DRIVERS FOR ALLWINNER H3
M:	Jernej Skrabec <jernej.skrabec@siol.net>
L:	linux-media@vger.kernel.org