MAINTAINERS

L:	linux-pci@vger.kernel.org
S:	Supported
F:	Documentation/devicetree/bindings/pci/ti-pci.txt
F:	drivers/pci/host/pci-dra7xx.c

PCI DRIVER FOR RENESAS R-CAR
M:	Simon Horman <horms@verge.net.au>
L:	linux-pci@vger.kernel.org
L:	linux-sh@vger.kernel.org
S:	Maintained
F:	drivers/pci/host/*rcar*

PCI DRIVER FOR SAMSUNG EXYNOS
M:	Jingoo Han <jingoohan1@gmail.com>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
S:	Maintained
F:	drivers/pci/host/pci-exynos.c

PCI DRIVER FOR SYNOPSIS DESIGNWARE
M:	Jingoo Han <jingoohan1@gmail.com>
M:	Pratyush Anand <pratyush.anand@gmail.com>
L:	linux-pci@vger.kernel.org
S:	Maintained
F:	drivers/pci/host/*designware*

PCI DRIVER FOR GENERIC OF HOSTS
M:	Will Deacon <will.deacon@arm.com>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	Documentation/devicetree/bindings/pci/host-generic-pci.txt
F:	drivers/pci/host/pci-host-generic.c

PCIE DRIVER FOR ST SPEAR13XX
M:	Pratyush Anand <pratyush.anand@gmail.com>
L:	linux-pci@vger.kernel.org
S:	Maintained
F:	drivers/pci/host/*spear*

PCI MSI DRIVER FOR APPLIEDMICRO XGENE
M:	Duc Dang <dhdang@apm.com>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org
S:	Maintained
F:	Documentation/devicetree/bindings/pci/xgene-pci-msi.txt
F:	drivers/pci/host/pci-xgene-msi.c

PCMCIA SUBSYSTEM
P:	Linux PCMCIA Team
L:	linux-pcmcia@lists.infradead.org
W:	http://lists.infradead.org/mailman/listinfo/linux-pcmcia
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6.git
S:	Maintained
F:	Documentation/pcmcia/
F:	drivers/pcmcia/
F:	include/pcmcia/

PCNET32 NETWORK DRIVER
M:	Don Fry <pcnet32@frontier.com>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/amd/pcnet32.c

PCRYPT PARALLEL CRYPTO ENGINE
M:	Steffen Klassert <steffen.klassert@secunet.com>
L:	linux-crypto@vger.kernel.org
S:	Maintained
F:	crypto/pcrypt.c
F:	include/crypto/pcrypt.h

PER-CPU MEMORY ALLOCATOR
M:	Tejun Heo <tj@kernel.org>
M:	Christoph Lameter <cl@linux-foundation.org>
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git
S:	Maintained
F:	include/linux/percpu*.h
F:	mm/percpu*.c
F:	arch/*/include/asm/percpu.h

PER-TASK DELAY ACCOUNTING
M:	Balbir Singh <bsingharora@gmail.com>
S:	Maintained
F:	include/linux/delayacct.h
F:	kernel/delayacct.c

PERFORMANCE EVENTS SUBSYSTEM
M:	Peter Zijlstra <a.p.zijlstra@chello.nl>
M:	Ingo Molnar <mingo@redhat.com>
M:	Arnaldo Carvalho de Melo <acme@kernel.org>
L:	linux-kernel@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
S:	Supported
F:	kernel/events/*
F:	include/linux/perf_event.h
F:	include/uapi/linux/perf_event.h
F:	arch/*/kernel/perf_event*.c
F:	arch/*/kernel/*/perf_event*.c
F:	arch/*/kernel/*/*/perf_event*.c
F:	arch/*/include/asm/perf_event.h
F:	arch/*/kernel/perf_callchain.c
F:	tools/perf/

PERSONALITY HANDLING
M:	Christoph Hellwig <hch@infradead.org>
L:	linux-abi-devel@lists.sourceforge.net
S:	Maintained
F:	include/linux/personality.h
F:	include/uapi/linux/personality.h

PHONET PROTOCOL
M:	Remi Denis-Courmont <courmisch@gmail.com>
S:	Supported
F:	Documentation/networking/phonet.txt
F:	include/linux/phonet.h
F:	include/net/phonet/
F:	include/uapi/linux/phonet.h
F:	net/phonet/

PHRAM MTD DRIVER
M:	Joern Engel <joern@lazybastard.org>
L:	linux-mtd@lists.infradead.org
S:	Maintained
F:	drivers/mtd/devices/phram.c

PICOLCD HID DRIVER
M:	Bruno Prémont <bonbons@linux-vserver.org>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	drivers/hid/hid-picolcd*

PICOXCELL SUPPORT
M:	Jamie Iles <jamie@jamieiles.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T:	git git://github.com/jamieiles/linux-2.6-ji.git
S:	Supported
F:	arch/arm/boot/dts/picoxcell*
F:	arch/arm/mach-picoxcell/
F:	drivers/crypto/picoxcell*

PIN CONTROL SUBSYSTEM
M:	Linus Walleij <linus.walleij@linaro.org>
L:	linux-gpio@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git
S:	Maintained
F:	drivers/pinctrl/
F:	include/linux/pinctrl/

PIN CONTROLLER - ATMEL AT91
M:	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	drivers/pinctrl/pinctrl-at91.*

PIN CONTROLLER - INTEL
M:	Mika Westerberg <mika.westerberg@linux.intel.com>
M:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
S:	Maintained
F:	drivers/pinctrl/intel/

PIN CONTROLLER - RENESAS
M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L:	linux-sh@vger.kernel.org
S:	Maintained
F:	drivers/pinctrl/sh-pfc/

PIN CONTROLLER - SAMSUNG
M:	Tomasz Figa <tomasz.figa@gmail.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
S:	Maintained
F:	drivers/pinctrl/samsung/

PIN CONTROLLER - ST SPEAR
M:	Viresh Kumar <vireshk@kernel.org>
L:	spear-devel@list.st.com
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W:	http://www.st.com/spear
S:	Maintained
F:	drivers/pinctrl/spear/

PKTCDVD DRIVER
M:	Jiri Kosina <jikos@kernel.org>
S:	Maintained
F:	drivers/block/pktcdvd.c
F:	include/linux/pktcdvd.h
F:	include/uapi/linux/pktcdvd.h

PKUNITY SOC DRIVERS
M:	Guan Xuetao <gxt@mprc.pku.edu.cn>
W:	http://mprc.pku.edu.cn/~guanxuetao/linux
S:	Maintained
T:	git git://github.com/gxt/linux.git
F:	drivers/input/serio/i8042-unicore32io.h
F:	drivers/i2c/busses/i2c-puv3.c
F:	drivers/video/fbdev/fb-puv3.c
F:	drivers/rtc/rtc-puv3.c

PMBUS HARDWARE MONITORING DRIVERS
M:	Guenter Roeck <linux@roeck-us.net>
L:	lm-sensors@lm-sensors.org
W:	http://www.lm-sensors.org/
W:	http://www.roeck-us.net/linux/drivers/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
S:	Maintained
F:	Documentation/hwmon/pmbus
F:	drivers/hwmon/pmbus/
F:	include/linux/i2c/pmbus.h

PMC SIERRA MaxRAID DRIVER
L:	linux-scsi@vger.kernel.org
W:	http://www.pmc-sierra.com/
S:	Orphan
F:	drivers/scsi/pmcraid.*

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/

POSIX CLOCKS and TIMERS
M:	Thomas Gleixner <tglx@linutronix.de>
L:	linux-kernel@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
S:	Maintained
F:	fs/timerfd.c
F:	include/linux/timer*
F:	kernel/time/*timer*

POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS
M:	Sebastian Reichel <sre@kernel.org>
M:	Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
M:	David Woodhouse <dwmw2@infradead.org>
L:	linux-pm@vger.kernel.org
T:	git git://git.infradead.org/battery-2.6.git
S:	Maintained
F:	include/linux/power_supply.h
F:	drivers/power/
X:	drivers/power/avs/

POWER STATE COORDINATION INTERFACE (PSCI)
M:	Mark Rutland <mark.rutland@arm.com>
M:	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
L:	linux-arm-kernel@lists.infradead.org
S:	Maintained
F:	drivers/firmware/psci.c
F:	include/linux/psci.h
F:	include/uapi/linux/psci.h

PNP SUPPORT
M:	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
S:	Maintained
F:	drivers/pnp/

PNXxxxx I2C DRIVER
M:	Vitaly Wool <vitalywool@gmail.com>
L:	linux-i2c@vger.kernel.org
S:	Maintained
F:	drivers/i2c/busses/i2c-pnx.c

PPP PROTOCOL DRIVERS AND COMPRESSORS
M:	Paul Mackerras <paulus@samba.org>
L:	linux-ppp@vger.kernel.org
S:	Maintained
F:	drivers/net/ppp/ppp_*

PPP OVER ATM (RFC 2364)
M:	Mitchell Blank Jr <mitch@sfgoth.com>
S:	Maintained
F:	net/atm/pppoatm.c
F:	include/uapi/linux/atmppp.h

PPP OVER ETHERNET
M:	Michal Ostrowski <mostrows@earthlink.net>
S:	Maintained
F:	drivers/net/ppp/pppoe.c
F:	drivers/net/ppp/pppox.c

PPP OVER L2TP
M:	James Chapman <jchapman@katalix.com>
S:	Maintained
F:	net/l2tp/l2tp_ppp.c
F:	include/linux/if_pppol2tp.h
F:	include/uapi/linux/if_pppol2tp.h

PPS SUPPORT
M:	Rodolfo Giometti <giometti@enneenne.com>
W:	http://wiki.enneenne.com/index.php/LinuxPPS_support
L:	linuxpps@ml.enneenne.com (subscribers-only)
S:	Maintained
F:	Documentation/pps/
F:	drivers/pps/
F:	include/linux/pps*.h

PPTP DRIVER
M:	Dmitry Kozlov <xeb@mail.ru>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ppp/pptp.c
W:	http://sourceforge.net/projects/accel-pptp

PREEMPTIBLE KERNEL
M:	Robert Love <rml@tech9.net>
L:	kpreempt-tech@lists.sourceforge.net
W:	ftp://ftp.kernel.org/pub/linux/kernel/people/rml/preempt-kernel
S:	Supported
F:	Documentation/preempt-locking.txt
F:	include/linux/preempt.h

PRISM54 WIRELESS DRIVER
M:	"Luis R. Rodriguez" <mcgrof@gmail.com>
L:	linux-wireless@vger.kernel.org
W:	http://wireless.kernel.org/en/users/Drivers/p54
S:	Obsolete
F:	drivers/net/wireless/prism54/

PS3 NETWORK SUPPORT
M:	Geoff Levand <geoff@infradead.org>
L:	netdev@vger.kernel.org
L:	linuxppc-dev@lists.ozlabs.org
S:	Maintained
F:	drivers/net/ethernet/toshiba/ps3_gelic_net.*

PS3 PLATFORM SUPPORT
M:	Geoff Levand <geoff@infradead.org>
L:	linuxppc-dev@lists.ozlabs.org
S:	Maintained
F:	arch/powerpc/boot/ps3*
F:	arch/powerpc/include/asm/lv1call.h
F:	arch/powerpc/include/asm/ps3*.h
F:	arch/powerpc/platforms/ps3/
F:	drivers/*/ps3*
F:	drivers/ps3/
F:	drivers/rtc/rtc-ps3.c
F:	drivers/usb/host/*ps3.c
F:	sound/ppc/snd_ps3*

PS3VRAM DRIVER
M:	Jim Paris <jim@jtan.com>
M:	Geoff Levand <geoff@infradead.org>
L:	linuxppc-dev@lists.ozlabs.org
S:	Maintained
F:	drivers/block/ps3vram.c

PSTORE FILESYSTEM
M:	Anton Vorontsov <anton@enomsg.org>
M:	Colin Cross <ccross@android.com>
M:	Kees Cook <keescook@chromium.org>
M:	Tony Luck <tony.luck@intel.com>
S:	Maintained
T:	git git://git.infradead.org/users/cbou/linux-pstore.git
F:	fs/pstore/
F:	include/linux/pstore*
F:	drivers/firmware/efi/efi-pstore.c
F:	drivers/acpi/apei/erst.c

PTP HARDWARE CLOCK SUPPORT
M:	Richard Cochran <richardcochran@gmail.com>
L:	netdev@vger.kernel.org
S:	Maintained
W:	http://linuxptp.sourceforge.net/
F:	Documentation/ABI/testing/sysfs-ptp
F:	Documentation/ptp/*
F:	drivers/net/ethernet/freescale/gianfar_ptp.c
F:	drivers/net/phy/dp83640*
F:	drivers/ptp/*
F:	include/linux/ptp_cl*

PTRACE SUPPORT
M:	Roland McGrath <roland@hack.frob.com>
M:	Oleg Nesterov <oleg@redhat.com>
S:	Maintained
F:	include/asm-generic/syscall.h
F:	include/linux/ptrace.h
F:	include/linux/regset.h
F:	include/linux/tracehook.h
F:	include/uapi/linux/ptrace.h
F:	kernel/ptrace.c

PVRUSB2 VIDEO4LINUX DRIVER
M:	Mike Isely <isely@pobox.com>
L:	pvrusb2@isely.net	(subscribers-only)
L:	linux-media@vger.kernel.org
W:	http://www.isely.net/pvrusb2/
T:	git git://linuxtv.org/media_tree.git
S:	Maintained
F:	Documentation/video4linux/README.pvrusb2
F:	drivers/media/usb/pvrusb2/

PWC WEBCAM DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-media@vger.kernel.org
T:	git git://linuxtv.org/media_tree.git
S:	Maintained
F:	drivers/media/usb/pwc/*

PWM FAN DRIVER
M:	Kamil Debski <k.debski@samsung.com>
L:	lm-sensors@lm-sensors.org
S:	Supported
F:	Documentation/devicetree/bindings/hwmon/pwm-fan.txt
F:	Documentation/hwmon/pwm-fan
F:	drivers/hwmon/pwm-fan.c

PWM SUBSYSTEM
M:	Thierry Reding <thierry.reding@gmail.com>
L:	linux-pwm@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm.git
F:	Documentation/pwm.txt
F:	Documentation/devicetree/bindings/pwm/
F:	include/linux/pwm.h
F:	drivers/pwm/
F:	drivers/video/backlight/pwm_bl.c
F:	include/linux/pwm_backlight.h

PXA2xx/PXA3xx SUPPORT
M:	Daniel Mack <daniel@zonque.org>
M:	Haojian Zhuang <haojian.zhuang@gmail.com>
M:	Robert Jarzmik <robert.jarzmik@free.fr>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T:	git git://github.com/hzhuang1/linux.git
T:	git git://github.com/rjarzmik/linux.git
S:	Maintained
F:	arch/arm/mach-pxa/
F:	drivers/dma/pxa*
F:	drivers/pcmcia/pxa2xx*
F:	drivers/spi/spi-pxa2xx*
F:	drivers/usb/gadget/udc/pxa2*
F:	include/sound/pxa2xx-lib.h
F:	sound/arm/pxa*
F:	sound/soc/pxa/

PXA3xx NAND FLASH DRIVER
M:	Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
L:	linux-mtd@lists.infradead.org
S:	Maintained
F:	drivers/mtd/nand/pxa3xx_nand.c

MMP SUPPORT
M:	Eric Miao <eric.y.miao@gmail.com>
M:	Haojian Zhuang <haojian.zhuang@gmail.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T:	git git://github.com/hzhuang1/linux.git
T:	git git://git.linaro.org/people/ycmiao/pxa-linux.git
S:	Maintained
F:	arch/arm/mach-mmp/

PXA MMCI DRIVER
S:	Orphan

PXA RTC DRIVER
M:	Robert Jarzmik <robert.jarzmik@free.fr>
L:	rtc-linux@googlegroups.com
S:	Maintained

QAT DRIVER
M:	Tadeusz Struk <tadeusz.struk@intel.com>
L:	qat-linux@intel.com
S:	Supported
F:	drivers/crypto/qat/

QIB DRIVER
M:	Mike Marciniszyn <infinipath@intel.com>
L:	linux-rdma@vger.kernel.org
S:	Supported
F:	drivers/infiniband/hw/qib/

QLOGIC QLA1280 SCSI DRIVER
M:	Michael Reed <mdr@sgi.com>
L:	linux-scsi@vger.kernel.org
S:	Maintained
F:	drivers/scsi/qla1280.[ch]

QLOGIC QLA2XXX FC-SCSI DRIVER
M:	qla2xxx-upstream@qlogic.com
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	Documentation/scsi/LICENSE.qla2xxx
F:	drivers/scsi/qla2xxx/

QLOGIC QLA4XXX iSCSI DRIVER
M:	QLogic-Storage-Upstream@qlogic.com
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	Documentation/scsi/LICENSE.qla4xxx
F:	drivers/scsi/qla4xxx/

QLOGIC QLA3XXX NETWORK DRIVER
M:	Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
M:	Ron Mercer <ron.mercer@qlogic.com>
M:	linux-driver@qlogic.com
L:	netdev@vger.kernel.org
S:	Supported
F:	Documentation/networking/LICENSE.qla3xxx
F:	drivers/net/ethernet/qlogic/qla3xxx.*

QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER
M:	Shahed Shaikh <shahed.shaikh@qlogic.com>
M:	Dept-GELinuxNICDev@qlogic.com
L:	netdev@vger.kernel.org
S:	Supported
F:	drivers/net/ethernet/qlogic/qlcnic/

QLOGIC QLGE 10Gb ETHERNET DRIVER
M:	Harish Patil <harish.patil@qlogic.com>
M:	Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
M:	Dept-GELinuxNICDev@qlogic.com
M:	linux-driver@qlogic.com
L:	netdev@vger.kernel.org
S:	Supported
F:	drivers/net/ethernet/qlogic/qlge/

QNX4 FILESYSTEM
M:	Anders Larsen <al@alarsen.net>
W:	http://www.alarsen.net/linux/qnx4fs/
S:	Maintained
F:	fs/qnx4/
F:	include/uapi/linux/qnx4_fs.h
F:	include/uapi/linux/qnxtypes.h

QT1010 MEDIA DRIVER
M:	Antti Palosaari <crope@iki.fi>
L:	linux-media@vger.kernel.org
W:	http://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
S:	Maintained
F:	drivers/media/tuners/qt1010*

QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
M:	QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
L:	linux-wireless@vger.kernel.org
L:	ath9k-devel@lists.ath9k.org
W:	http://wireless.kernel.org/en/users/Drivers/ath9k
S:	Supported
F:	drivers/net/wireless/ath/ath9k/

QUALCOMM ATHEROS ATH10K WIRELESS DRIVER
M:	Kalle Valo <kvalo@qca.qualcomm.com>
L:	ath10k@lists.infradead.org
W:	http://wireless.kernel.org/en/users/Drivers/ath10k
T:	git git://github.com/kvalo/ath.git
S:	Supported
F:	drivers/net/wireless/ath/ath10k/

QUALCOMM HEXAGON ARCHITECTURE
M:	Richard Kuo <rkuo@codeaurora.org>
L:	linux-hexagon@vger.kernel.org
S:	Supported
F:	arch/hexagon/

QUALCOMM WCN36XX WIRELESS DRIVER
M:	Eugene Krasnikov <k.eugene.e@gmail.com>
L:	wcn36xx@lists.infradead.org
W:	http://wireless.kernel.org/en/users/Drivers/wcn36xx
T:	git git://github.com/KrasnikovEugene/wcn36xx.git
S:	Supported
F:	drivers/net/wireless/ath/wcn36xx/

RADOS BLOCK DEVICE (RBD)
M:	Ilya Dryomov <idryomov@gmail.com>
M:	Sage Weil <sage@redhat.com>
M:	Alex Elder <elder@kernel.org>
L:	ceph-devel@vger.kernel.org
W:	http://ceph.com/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
T:	git git://github.com/ceph/ceph-client.git
S:	Supported
F:	Documentation/ABI/testing/sysfs-bus-rbd
F:	drivers/block/rbd.c
F:	drivers/block/rbd_types.h

RADEON FRAMEBUFFER DISPLAY DRIVER
M:	Benjamin Herrenschmidt <benh@kernel.crashing.org>
L:	linux-fbdev@vger.kernel.org
S:	Maintained
F:	drivers/video/fbdev/aty/radeon*
F:	include/uapi/linux/radeonfb.h

RADIOSHARK RADIO DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-media@vger.kernel.org
T:	git git://linuxtv.org/media_tree.git
S:	Maintained
F:	drivers/media/radio/radio-shark.c

RADIOSHARK2 RADIO DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-media@vger.kernel.org
T:	git git://linuxtv.org/media_tree.git
S:	Maintained
F:	drivers/media/radio/radio-shark2.c
F:	drivers/media/radio/radio-tea5777.c

RAGE128 FRAMEBUFFER DISPLAY DRIVER
M:	Paul Mackerras <paulus@samba.org>
L:	linux-fbdev@vger.kernel.org
S:	Maintained
F:	drivers/video/fbdev/aty/aty128fb.c

RALINK RT2X00 WIRELESS LAN DRIVER
P:	rt2x00 project
M:	Stanislaw Gruszka <sgruszka@redhat.com>
M:	Helmut Schaa <helmut.schaa@googlemail.com>
L:	linux-wireless@vger.kernel.org
S:	Maintained
F:	drivers/net/wireless/rt2x00/

RAMDISK RAM BLOCK DEVICE DRIVER
M:	Jens Axboe <axboe@kernel.dk>
S:	Maintained
F:	Documentation/blockdev/ramdisk.txt
F:	drivers/block/brd.c

RANDOM NUMBER DRIVER
M:	"Theodore Ts'o" <tytso@mit.edu>
S:	Maintained
F:	drivers/char/random.c

RAPIDIO SUBSYSTEM
M:	Matt Porter <mporter@kernel.crashing.org>
M:	Alexandre Bounine <alexandre.bounine@idt.com>
S:	Maintained
F:	drivers/rapidio/

RAYLINK/WEBGEAR 802.11 WIRELESS LAN DRIVER
L:	linux-wireless@vger.kernel.org
S:	Orphan
F:	drivers/net/wireless/ray*

RCUTORTURE MODULE
M:	Josh Triplett <josh@joshtriplett.org>
M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
L:	linux-kernel@vger.kernel.org
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
F:	Documentation/RCU/torture.txt
F:	kernel/rcu/rcutorture.c

RCUTORTURE TEST FRAMEWORK
M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
M:	Josh Triplett <josh@joshtriplett.org>
R:	Steven Rostedt <rostedt@goodmis.org>
R:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
R:	Lai Jiangshan <jiangshanlai@gmail.com>
L:	linux-kernel@vger.kernel.org
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
F:	tools/testing/selftests/rcutorture

RDC R-321X SoC
M:	Florian Fainelli <florian@openwrt.org>
S:	Maintained

RDC R6040 FAST ETHERNET DRIVER
M:	Florian Fainelli <florian@openwrt.org>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/rdc/r6040.c

RDS - RELIABLE DATAGRAM SOCKETS
M:	Chien Yen <chien.yen@oracle.com>
L:	rds-devel@oss.oracle.com (moderated for non-subscribers)
S:	Supported
F:	net/rds/

READ-COPY UPDATE (RCU)
M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
M:	Josh Triplett <josh@joshtriplett.org>
R:	Steven Rostedt <rostedt@goodmis.org>
R:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
R:	Lai Jiangshan <jiangshanlai@gmail.com>
L:	linux-kernel@vger.kernel.org
W:	http://www.rdrop.com/users/paulmck/RCU/
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
F:	Documentation/RCU/
X:	Documentation/RCU/torture.txt
F:	include/linux/rcu*
X:	include/linux/srcu.h
F:	kernel/rcu/
X:	kernel/torture.c

REAL TIME CLOCK (RTC) SUBSYSTEM
M:	Alessandro Zummo <a.zummo@towertech.it>
M:	Alexandre Belloni <alexandre.belloni@free-electrons.com>
L:	rtc-linux@googlegroups.com
Q:	http://patchwork.ozlabs.org/project/rtc-linux/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git
S:	Maintained
F:	Documentation/rtc.txt
F:	drivers/rtc/
F:	include/linux/rtc.h
F:	include/uapi/linux/rtc.h

REALTEK AUDIO CODECS
M:	Bard Liao <bardliao@realtek.com>
M:	Oder Chiou <oder_chiou@realtek.com>
S:	Maintained
F:	sound/soc/codecs/rt*
F:	include/sound/rt*.h

REISERFS FILE SYSTEM
L:	reiserfs-devel@vger.kernel.org
S:	Supported
F:	fs/reiserfs/

REGISTER MAP ABSTRACTION
M:	Mark Brown <broonie@kernel.org>
L:	linux-kernel@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git
S:	Supported
F:	drivers/base/regmap/
F:	include/linux/regmap.h

REMOTE PROCESSOR (REMOTEPROC) SUBSYSTEM
M:	Ohad Ben-Cohen <ohad@wizery.com>
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc.git
S:	Maintained
F:	drivers/remoteproc/
F:	Documentation/remoteproc.txt
F:	include/linux/remoteproc.h

REMOTE PROCESSOR MESSAGING (RPMSG) SUBSYSTEM
M:	Ohad Ben-Cohen <ohad@wizery.com>
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ohad/rpmsg.git
S:	Maintained
F:	drivers/rpmsg/
F:	Documentation/rpmsg.txt
F:	include/linux/rpmsg.h

RESET CONTROLLER FRAMEWORK
M:	Philipp Zabel <p.zabel@pengutronix.de>
S:	Maintained
F:	drivers/reset/
F:	Documentation/devicetree/bindings/reset/
F:	include/dt-bindings/reset/
F:	include/linux/reset.h
F:	include/linux/reset-controller.h

RFKILL
M:	Johannes Berg <johannes@sipsolutions.net>
L:	linux-wireless@vger.kernel.org
W:	http://wireless.kernel.org/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
S:	Maintained
F:	Documentation/rfkill.txt
F:	net/rfkill/

RHASHTABLE
M:	Thomas Graf <tgraf@suug.ch>
L:	netdev@vger.kernel.org
S:	Maintained
F:	lib/rhashtable.c
F:	include/linux/rhashtable.h

RICOH SMARTMEDIA/XD DRIVER
M:	Maxim Levitsky <maximlevitsky@gmail.com>
S:	Maintained
F:	drivers/mtd/nand/r852.c
F:	drivers/mtd/nand/r852.h

RICOH R5C592 MEMORYSTICK DRIVER
M:	Maxim Levitsky <maximlevitsky@gmail.com>
S:	Maintained
F:	drivers/memstick/host/r592.*

ROCCAT DRIVERS
M:	Stefan Achatz <erazor_de@users.sourceforge.net>
W:	http://sourceforge.net/projects/roccat/
S:	Maintained
F:	drivers/hid/hid-roccat*
F:	include/linux/hid-roccat*
F:	Documentation/ABI/*/sysfs-driver-hid-roccat*

ROCKER DRIVER
M:	Jiri Pirko <jiri@resnulli.us>
M:	Scott Feldman <sfeldma@gmail.com>
L:	netdev@vger.kernel.org
S:	Supported
F:	drivers/net/ethernet/rocker/

ROCKETPORT DRIVER
P:	Comtrol Corp.
W:	http://www.comtrol.com
S:	Maintained
F:	Documentation/serial/rocket.txt
F:	drivers/tty/rocket*

ROCKETPORT EXPRESS/INFINITY DRIVER
M:	Kevin Cernekee <cernekee@gmail.com>
L:	linux-serial@vger.kernel.org
S:	Odd Fixes
F:	drivers/tty/serial/rp2.*

ROSE NETWORK LAYER
M:	Ralf Baechle <ralf@linux-mips.org>
L:	linux-hams@vger.kernel.org
W:	http://www.linux-ax25.org/
S:	Maintained
F:	include/net/rose.h
F:	include/uapi/linux/rose.h
F:	net/rose/

RTL2830 MEDIA DRIVER
M:	Antti Palosaari <crope@iki.fi>
L:	linux-media@vger.kernel.org
W:	http://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
S:	Maintained
F:	drivers/media/dvb-frontends/rtl2830*

RTL2832 MEDIA DRIVER
M:	Antti Palosaari <crope@iki.fi>
L:	linux-media@vger.kernel.org
W:	http://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
S:	Maintained
F:	drivers/media/dvb-frontends/rtl2832*

RTL2832_SDR MEDIA DRIVER
M:	Antti Palosaari <crope@iki.fi>
L:	linux-media@vger.kernel.org
W:	http://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
S:	Maintained
F:	drivers/media/dvb-frontends/rtl2832_sdr*

RTL8180 WIRELESS DRIVER
L:	linux-wireless@vger.kernel.org
W:	http://wireless.kernel.org/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
S:	Orphan
F:	drivers/net/wireless/rtl818x/rtl8180/

RTL8187 WIRELESS DRIVER
M:	Herton Ronaldo Krzesinski <herton@canonical.com>
M:	Hin-Tak Leung <htl10@users.sourceforge.net>
M:	Larry Finger <Larry.Finger@lwfinger.net>
L:	linux-wireless@vger.kernel.org
W:	http://wireless.kernel.org/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
S:	Maintained
F:	drivers/net/wireless/rtl818x/rtl8187/

RTL8192CE WIRELESS DRIVER
M:	Larry Finger <Larry.Finger@lwfinger.net>
M:	Chaoming Li <chaoming_li@realsil.com.cn>
L:	linux-wireless@vger.kernel.org
W:	http://wireless.kernel.org/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
S:	Maintained
F:	drivers/net/wireless/rtlwifi/
F:	drivers/net/wireless/rtlwifi/rtl8192ce/

S3 SAVAGE FRAMEBUFFER DRIVER
M:	Antonino Daplas <adaplas@gmail.com>
L:	linux-fbdev@vger.kernel.org
S:	Maintained
F:	drivers/video/fbdev/savage/

S390
M:	Martin Schwidefsky <schwidefsky@de.ibm.com>
M:	Heiko Carstens <heiko.carstens@de.ibm.com>
L:	linux-s390@vger.kernel.org
W:	http://www.ibm.com/developerworks/linux/linux390/
S:	Supported
F:	arch/s390/
F:	drivers/s390/
F:	Documentation/s390/
F:	Documentation/DocBook/s390*

S390 COMMON I/O LAYER
M:	Sebastian Ott <sebott@linux.vnet.ibm.com>
M:	Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
L:	linux-s390@vger.kernel.org
W:	http://www.ibm.com/developerworks/linux/linux390/
S:	Supported
F:	drivers/s390/cio/

S390 DASD DRIVER
M:	Stefan Weinhuber <wein@de.ibm.com>
M:	Stefan Haberland <stefan.haberland@de.ibm.com>
L:	linux-s390@vger.kernel.org
W:	http://www.ibm.com/developerworks/linux/linux390/
S:	Supported
F:	drivers/s390/block/dasd*
F:	block/partitions/ibm.c

S390 NETWORK DRIVERS
M:	Ursula Braun <ursula.braun@de.ibm.com>
L:	linux-s390@vger.kernel.org
W:	http://www.ibm.com/developerworks/linux/linux390/
S:	Supported
F:	drivers/s390/net/

S390 PCI SUBSYSTEM
M:	Sebastian Ott <sebott@linux.vnet.ibm.com>
M:	Gerald Schaefer <gerald.schaefer@de.ibm.com>
L:	linux-s390@vger.kernel.org
W:	http://www.ibm.com/developerworks/linux/linux390/
S:	Supported
F:	arch/s390/pci/
F:	drivers/pci/hotplug/s390_pci_hpc.c

S390 ZCRYPT DRIVER
M:	Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
L:	linux-s390@vger.kernel.org
W:	http://www.ibm.com/developerworks/linux/linux390/
S:	Supported
F:	drivers/s390/crypto/

S390 ZFCP DRIVER
M:	Steffen Maier <maier@linux.vnet.ibm.com>
L:	linux-s390@vger.kernel.org
W:	http://www.ibm.com/developerworks/linux/linux390/
S:	Supported
F:	drivers/s390/scsi/zfcp_*

S390 IUCV NETWORK LAYER
M:	Ursula Braun <ursula.braun@de.ibm.com>
L:	linux-s390@vger.kernel.org
W:	http://www.ibm.com/developerworks/linux/linux390/
S:	Supported
F:	drivers/s390/net/*iucv*
F:	include/net/iucv/
F:	net/iucv/

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:	drivers/mmc/host/s3cmci.*

SAA6588 RDS RECEIVER DRIVER
M:	Hans Verkuil <hverkuil@xs4all.nl>
L:	linux-media@vger.kernel.org
T:	git git://linuxtv.org/media_tree.git
W:	http://linuxtv.org
S:	Odd Fixes
F:	drivers/media/i2c/saa6588*

SAA7134 VIDEO4LINUX DRIVER
M:	Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L:	linux-media@vger.kernel.org
W:	http://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
S:	Odd fixes
F:	Documentation/video4linux/*.saa7134
F:	drivers/media/pci/saa7134/

SAA7146 VIDEO4LINUX-2 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/common/saa7146/
F:	drivers/media/pci/saa7146/
F:	include/media/saa7146*

SAMSUNG LAPTOP DRIVER
M:	Corentin Chary <corentin.chary@gmail.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/samsung-laptop.c

SAMSUNG AUDIO (ASoC) DRIVERS
M:	Sangbeom Kim <sbkim73@samsung.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Supported
F:	sound/soc/samsung/

SAMSUNG FRAMEBUFFER DRIVER
M:	Jingoo Han <jingoohan1@gmail.com>
L:	linux-fbdev@vger.kernel.org
S:	Maintained
F:	drivers/video/fbdev/s3c-fb.c

SAMSUNG MULTIFUNCTION PMIC DEVICE DRIVERS
M:	Sangbeom Kim <sbkim73@samsung.com>
M:	Krzysztof Kozlowski <k.kozlowski@samsung.com>
L:	linux-kernel@vger.kernel.org
L:	linux-samsung-soc@vger.kernel.org
S:	Supported
F:	drivers/mfd/sec*.c
F:	drivers/regulator/s2m*.c
F:	drivers/regulator/s5m*.c