MAINTAINERS

M:	Tomasz Duszynski <tomasz.duszynski@octakon.com>
S:	Maintained
F:	Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml
F:	drivers/iio/chemical/scd30.h
F:	drivers/iio/chemical/scd30_core.c
F:	drivers/iio/chemical/scd30_i2c.c
F:	drivers/iio/chemical/scd30_serial.c

SENSIRION SCD4X CARBON DIOXIDE SENSOR DRIVER
M:	Roan van Dijk <roan@protonic.nl>
S:	Maintained
F:	Documentation/devicetree/bindings/iio/chemical/sensirion,scd4x.yaml
F:	drivers/iio/chemical/scd4x.c

SENSIRION SGP40 GAS SENSOR DRIVER
M:	Andreas Klinger <ak@it-klinger.de>
S:	Maintained
F:	Documentation/ABI/testing/sysfs-bus-iio-chemical-sgp40
F:	drivers/iio/chemical/sgp40.c

SENSIRION SPS30 AIR POLLUTION SENSOR DRIVER
M:	Tomasz Duszynski <tduszyns@gmail.com>
S:	Maintained
F:	Documentation/devicetree/bindings/iio/chemical/sensirion,sps30.yaml
F:	drivers/iio/chemical/sps30.c
F:	drivers/iio/chemical/sps30_i2c.c
F:	drivers/iio/chemical/sps30_serial.c

SERIAL DEVICE BUS
M:	Rob Herring <robh@kernel.org>
L:	linux-serial@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/serial/serial.yaml
F:	drivers/tty/serdev/
F:	include/linux/serdev.h

SERIAL DRIVERS
M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L:	linux-serial@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/serial/
F:	drivers/tty/serial/

SERIAL IR RECEIVER
M:	Sean Young <sean@mess.org>
L:	linux-media@vger.kernel.org
S:	Maintained
F:	drivers/media/rc/serial_ir.c

SERIAL LOW-POWER INTER-CHIP MEDIA BUS (SLIMbus)
M:	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Maintained
F:	Documentation/devicetree/bindings/slimbus/
F:	drivers/slimbus/
F:	include/linux/slimbus.h

SFC NETWORK DRIVER
M:	Edward Cree <ecree.xilinx@gmail.com>
M:	Martin Habets <habetsm.xilinx@gmail.com>
L:	netdev@vger.kernel.org
L:	linux-net-drivers@amd.com
S:	Supported
F:	Documentation/networking/devlink/sfc.rst
F:	drivers/net/ethernet/sfc/

SFCTEMP HWMON DRIVER
M:	Emil Renner Berthing <kernel@esmil.dk>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/hwmon/starfive,jh71x0-temp.yaml
F:	Documentation/hwmon/sfctemp.rst
F:	drivers/hwmon/sfctemp.c

SFF/SFP/SFP+ MODULE SUPPORT
M:	Russell King <linux@armlinux.org.uk>
L:	netdev@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/net/sff,sfp.yaml
F:	drivers/net/phy/phylink.c
F:	drivers/net/phy/sfp*
F:	include/linux/mdio/mdio-i2c.h
F:	include/linux/phylink.h
F:	include/linux/sfp.h
K:	phylink\.h|struct\s+phylink|\.phylink|>phylink_|phylink_(autoneg|clear|connect|create|destroy|disconnect|ethtool|helper|mac|mii|of|set|start|stop|test|validate)

SGI GRU DRIVER
M:	Dimitri Sivanich <dimitri.sivanich@hpe.com>
S:	Maintained
F:	drivers/misc/sgi-gru/

SGI XP/XPC/XPNET DRIVER
M:	Robin Holt <robinmholt@gmail.com>
M:	Steve Wahl <steve.wahl@hpe.com>
R:	Mike Travis <mike.travis@hpe.com>
S:	Maintained
F:	drivers/misc/sgi-xp/

SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
M:	Karsten Graul <kgraul@linux.ibm.com>
M:	Wenjia Zhang <wenjia@linux.ibm.com>
M:	Jan Karcher <jaka@linux.ibm.com>
L:	linux-s390@vger.kernel.org
S:	Supported
F:	net/smc/

SHARP GP2AP002A00F/GP2AP002S00F SENSOR DRIVER
M:	Linus Walleij <linus.walleij@linaro.org>
L:	linux-iio@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
F:	Documentation/devicetree/bindings/iio/light/sharp,gp2ap002.yaml
F:	drivers/iio/light/gp2ap002.c

SHARP RJ54N1CB0C SENSOR DRIVER
M:	Jacopo Mondi <jacopo@jmondi.org>
L:	linux-media@vger.kernel.org
S:	Odd fixes
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/i2c/rj54n1cb0c.c
F:	include/media/i2c/rj54n1cb0c.h

SH_VOU V4L2 OUTPUT DRIVER
L:	linux-media@vger.kernel.org
S:	Orphan
F:	drivers/media/platform/renesas/sh_vou.c
F:	include/media/drv-intf/sh_vou.h

SI2157 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/si2157*

SI2165 MEDIA DRIVER
M:	Matthias Schwarzott <zzam@gentoo.org>
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/si2165*

SI2168 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/si2168*

SI470X FM RADIO RECEIVER I2C 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:	Documentation/devicetree/bindings/media/silabs,si470x.yaml
F:	drivers/media/radio/si470x/radio-si470x-i2c.c

SI470X FM RADIO RECEIVER USB DRIVER
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/radio/si470x/radio-si470x-common.c
F:	drivers/media/radio/si470x/radio-si470x-usb.c
F:	drivers/media/radio/si470x/radio-si470x.h

SI4713 FM RADIO TRANSMITTER I2C DRIVER
M:	Eduardo Valentin <edubezval@gmail.com>
L:	linux-media@vger.kernel.org
S:	Odd Fixes
W:	https://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/radio/si4713/si4713.?

SI4713 FM RADIO TRANSMITTER PLATFORM DRIVER
M:	Eduardo Valentin <edubezval@gmail.com>
L:	linux-media@vger.kernel.org
S:	Odd Fixes
W:	https://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/radio/si4713/radio-platform-si4713.c

SI4713 FM RADIO TRANSMITTER USB DRIVER
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/radio/si4713/radio-usb-si4713.c

SIANO DVB 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:	drivers/media/common/siano/
F:	drivers/media/mmc/siano/
F:	drivers/media/usb/siano/
F:	drivers/media/usb/siano/

SIFIVE DRIVERS
M:	Palmer Dabbelt <palmer@dabbelt.com>
M:	Paul Walmsley <paul.walmsley@sifive.com>
L:	linux-riscv@lists.infradead.org
S:	Supported
N:	sifive
K:	[^@]sifive

SIFIVE FU540 SYSTEM-ON-CHIP
M:	Paul Walmsley <paul.walmsley@sifive.com>
M:	Palmer Dabbelt <palmer@dabbelt.com>
L:	linux-riscv@lists.infradead.org
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/pjw/sifive.git
N:	fu540
K:	fu540

SIFIVE PDMA DRIVER
M:	Green Wan <green.wan@sifive.com>
S:	Maintained
F:	Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml
F:	drivers/dma/sf-pdma/

SIFIVE SOC DRIVERS
M:	Conor Dooley <conor@kernel.org>
L:	linux-riscv@lists.infradead.org
S:	Maintained
T:	git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/
F:	Documentation/devicetree/bindings/cache/sifive,ccache0.yaml
F:	drivers/soc/sifive/

SILEAD TOUCHSCREEN DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-input@vger.kernel.org
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/input/touchscreen/silead.c
F:	drivers/platform/x86/touchscreen_dmi.c

SILICON LABS WIRELESS DRIVERS (for WFxxx series)
M:	Jérôme Pouiller <jerome.pouiller@silabs.com>
S:	Supported
F:	Documentation/devicetree/bindings/net/wireless/silabs,wfx.yaml
F:	drivers/net/wireless/silabs/wfx/

SILICON MOTION SM712 FRAME BUFFER DRIVER
M:	Sudip Mukherjee <sudipm.mukherjee@gmail.com>
M:	Teddy Wang <teddy.wang@siliconmotion.com>
M:	Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
L:	linux-fbdev@vger.kernel.org
S:	Maintained
F:	Documentation/fb/sm712fb.rst
F:	drivers/video/fbdev/sm712*

SILVACO I3C DUAL-ROLE MASTER
M:	Miquel Raynal <miquel.raynal@bootlin.com>
M:	Conor Culhane <conor.culhane@silvaco.com>
L:	linux-i3c@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
F:	drivers/i3c/master/svc-i3c-master.c

SIMPLEFB FB DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-fbdev@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/display/simple-framebuffer.yaml
F:	drivers/video/fbdev/simplefb.c
F:	include/linux/platform_data/simplefb.h

SIMTEC EB110ATX (Chalice CATS)
M:	Simtec Linux Team <linux@simtec.co.uk>
S:	Supported
W:	http://www.simtec.co.uk/products/EB110ATX/

SIOX
M:	Thorsten Scherer <t.scherer@eckelmann.de>
M:	Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
R:	Pengutronix Kernel Team <kernel@pengutronix.de>
S:	Supported
F:	drivers/gpio/gpio-siox.c
F:	drivers/siox/*
F:	include/trace/events/siox.h

SIPHASH PRF ROUTINES
M:	Jason A. Donenfeld <Jason@zx2c4.com>
S:	Maintained
F:	include/linux/siphash.h
F:	lib/siphash.c
F:	lib/siphash_kunit.c

SIS 190 ETHERNET DRIVER
M:	Francois Romieu <romieu@fr.zoreil.com>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/sis/sis190.c

SIS 900/7016 FAST ETHERNET DRIVER
M:	Daniele Venzano <venza@brownhat.org>
L:	netdev@vger.kernel.org
S:	Maintained
W:	http://www.brownhat.org/sis900.html
F:	drivers/net/ethernet/sis/sis900.*

SIS FRAMEBUFFER DRIVER
S:	Orphan
F:	Documentation/fb/sisfb.rst
F:	drivers/video/fbdev/sis/
F:	include/video/sisfb.h

SIS I2C TOUCHSCREEN DRIVER
M:	Mika Penttilä <mpenttil@redhat.com>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt
F:	drivers/input/touchscreen/sis_i2c.c

SIS USB2VGA DRIVER
M:	Thomas Winischhofer <thomas@winischhofer.net>
S:	Maintained
W:	http://www.winischhofer.at/linuxsisusbvga.shtml
F:	drivers/usb/misc/sisusbvga/

SL28 CPLD MFD DRIVER
M:	Michael Walle <michael@walle.cc>
S:	Maintained
F:	Documentation/devicetree/bindings/gpio/kontron,sl28cpld-gpio.yaml
F:	Documentation/devicetree/bindings/hwmon/kontron,sl28cpld-hwmon.yaml
F:	Documentation/devicetree/bindings/interrupt-controller/kontron,sl28cpld-intc.yaml
F:	Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml
F:	Documentation/devicetree/bindings/pwm/kontron,sl28cpld-pwm.yaml
F:	Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
F:	drivers/gpio/gpio-sl28cpld.c
F:	drivers/hwmon/sl28cpld-hwmon.c
F:	drivers/irqchip/irq-sl28cpld.c
F:	drivers/pwm/pwm-sl28cpld.c
F:	drivers/watchdog/sl28cpld_wdt.c

SL28 VPD NVMEM LAYOUT DRIVER
M:	Michael Walle <michael@walle.cc>
S:	Maintained
F:	Documentation/devicetree/bindings/nvmem/layouts/kontron,sl28-vpd.yaml
F:	drivers/nvmem/layouts/sl28vpd.c

SLAB ALLOCATOR
M:	Christoph Lameter <cl@linux.com>
M:	Pekka Enberg <penberg@kernel.org>
M:	David Rientjes <rientjes@google.com>
M:	Joonsoo Kim <iamjoonsoo.kim@lge.com>
M:	Andrew Morton <akpm@linux-foundation.org>
M:	Vlastimil Babka <vbabka@suse.cz>
R:	Roman Gushchin <roman.gushchin@linux.dev>
R:	Hyeonggon Yoo <42.hyeyoo@gmail.com>
L:	linux-mm@kvack.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git
F:	include/linux/sl?b*.h
F:	mm/sl?b*

SLCAN CAN NETWORK DRIVER
M:	Dario Binacchi <dario.binacchi@amarulasolutions.com>
L:	linux-can@vger.kernel.org
S:	Maintained
F:	drivers/net/can/slcan/

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

SMACK SECURITY MODULE
M:	Casey Schaufler <casey@schaufler-ca.com>
L:	linux-security-module@vger.kernel.org
S:	Maintained
W:	http://schaufler-ca.com
T:	git git://github.com/cschaufler/smack-next
F:	Documentation/admin-guide/LSM/Smack.rst
F:	security/smack/

SMC91x ETHERNET DRIVER
M:	Nicolas Pitre <nico@fluxnic.net>
S:	Odd Fixes
F:	drivers/net/ethernet/smsc/smc91x.*

SECURE MONITOR CALL(SMC) CALLING CONVENTION (SMCCC)
M:	Mark Rutland <mark.rutland@arm.com>
M:	Lorenzo Pieralisi <lpieralisi@kernel.org>
M:	Sudeep Holla <sudeep.holla@arm.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	drivers/firmware/smccc/
F:	include/linux/arm-smccc.h

SMM665 HARDWARE MONITOR DRIVER
M:	Guenter Roeck <linux@roeck-us.net>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/hwmon/smm665.rst
F:	drivers/hwmon/smm665.c

SMSC EMC2103 HARDWARE MONITOR DRIVER
M:	Steve Glendinning <steve.glendinning@shawell.net>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/hwmon/emc2103.rst
F:	drivers/hwmon/emc2103.c

SMSC SCH5627 HARDWARE MONITOR DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-hwmon@vger.kernel.org
S:	Supported
F:	Documentation/hwmon/sch5627.rst
F:	drivers/hwmon/sch5627.c

SMSC UFX6000 and UFX7000 USB to VGA DRIVER
M:	Steve Glendinning <steve.glendinning@shawell.net>
L:	linux-fbdev@vger.kernel.org
S:	Maintained
F:	drivers/video/fbdev/smscufx.c

SMSC47B397 HARDWARE MONITOR DRIVER
M:	Jean Delvare <jdelvare@suse.com>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/hwmon/smsc47b397.rst
F:	drivers/hwmon/smsc47b397.c

SMSC911x ETHERNET DRIVER
M:	Steve Glendinning <steve.glendinning@shawell.net>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/smsc/smsc911x.*
F:	include/linux/smsc911x.h

SMSC9420 PCI ETHERNET DRIVER
M:	Steve Glendinning <steve.glendinning@shawell.net>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/smsc/smsc9420.*

SOCIONEXT (SNI) AVE NETWORK DRIVER
M:	Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
L:	netdev@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml
F:	drivers/net/ethernet/socionext/sni_ave.c

SOCIONEXT (SNI) NETSEC NETWORK DRIVER
M:	Jassi Brar <jaswinder.singh@linaro.org>
M:	Ilias Apalodimas <ilias.apalodimas@linaro.org>
L:	netdev@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/net/socionext,synquacer-netsec.yaml
F:	drivers/net/ethernet/socionext/netsec.c

SOCIONEXT (SNI) Synquacer SPI DRIVER
M:	Masahisa Kojima <masahisa.kojima@linaro.org>
M:	Jassi Brar <jaswinder.singh@linaro.org>
L:	linux-spi@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/spi/socionext,synquacer-spi.yaml
F:	drivers/spi/spi-synquacer.c

SOCIONEXT SYNQUACER I2C DRIVER
M:	Ard Biesheuvel <ardb@kernel.org>
L:	linux-i2c@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/i2c/socionext,synquacer-i2c.yaml
F:	drivers/i2c/busses/i2c-synquacer.c

SOCIONEXT UNIPHIER SOUND DRIVER
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Orphan
F:	sound/soc/uniphier/

SOCKET TIMESTAMPING
M:	Willem de Bruijn <willemdebruijn.kernel@gmail.com>
S:	Maintained
F:	Documentation/networking/timestamping.rst
F:	include/uapi/linux/net_tstamp.h
F:	tools/testing/selftests/net/so_txtime.c

SOEKRIS NET48XX LED SUPPORT
M:	Chris Boot <bootc@bootc.net>
S:	Maintained
F:	drivers/leds/leds-net48xx.c

SOFT-IWARP DRIVER (siw)
M:	Bernard Metzler <bmt@zurich.ibm.com>
L:	linux-rdma@vger.kernel.org
S:	Supported
F:	drivers/infiniband/sw/siw/
F:	include/uapi/rdma/siw-abi.h

SOFT-ROCE DRIVER (rxe)
M:	Zhu Yanjun <zyjzyj2000@gmail.com>
L:	linux-rdma@vger.kernel.org
S:	Supported
F:	drivers/infiniband/sw/rxe/
F:	include/uapi/rdma/rdma_user_rxe.h

SOFTLOGIC 6x10 MPEG CODEC
M:	Bluecherry Maintainers <maintainers@bluecherrydvr.com>
M:	Anton Sviridenko <anton@corp.bluecherry.net>
M:	Andrey Utkin <andrey_utkin@fastmail.com>
M:	Ismael Luceno <ismael@iodev.co.uk>
L:	linux-media@vger.kernel.org
S:	Supported
F:	drivers/media/pci/solo6x10/

SOFTWARE DELEGATED EXCEPTION INTERFACE (SDEI)
M:	James Morse <james.morse@arm.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	Documentation/devicetree/bindings/arm/firmware/sdei.txt
F:	drivers/firmware/arm_sdei.c
F:	include/linux/arm_sdei.h
F:	include/uapi/linux/arm_sdei.h

SOFTWARE NODES AND DEVICE PROPERTIES
R:	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
R:	Daniel Scally <djrscally@gmail.com>
R:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
R:	Sakari Ailus <sakari.ailus@linux.intel.com>
L:	linux-acpi@vger.kernel.org
S:	Maintained
F:	drivers/base/property.c
F:	drivers/base/swnode.c
F:	include/linux/fwnode.h
F:	include/linux/property.h

SOFTWARE RAID (Multiple Disks) SUPPORT
M:	Song Liu <song@kernel.org>
L:	linux-raid@vger.kernel.org
S:	Supported
Q:	https://patchwork.kernel.org/project/linux-raid/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/song/md.git
F:	drivers/md/Kconfig
F:	drivers/md/Makefile
F:	drivers/md/md*
F:	drivers/md/raid*
F:	include/linux/raid/
F:	include/uapi/linux/raid/

SOLIDRUN CLEARFOG SUPPORT
M:	Russell King <linux@armlinux.org.uk>
S:	Maintained
F:	arch/arm/boot/dts/armada-388-clearfog*
F:	arch/arm/boot/dts/armada-38x-solidrun-*

SOLIDRUN CUBOX-I/HUMMINGBOARD SUPPORT
M:	Russell King <linux@armlinux.org.uk>
S:	Maintained
F:	arch/arm/boot/dts/imx6*-cubox-i*
F:	arch/arm/boot/dts/imx6*-hummingboard*
F:	arch/arm/boot/dts/imx6*-sr-*

SONIC NETWORK DRIVER
M:	Thomas Bogendoerfer <tsbogend@alpha.franken.de>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/natsemi/sonic.*

SONICS SILICON BACKPLANE DRIVER (SSB)
M:	Michael Buesch <m@bues.ch>
L:	linux-wireless@vger.kernel.org
S:	Maintained
F:	drivers/ssb/
F:	include/linux/ssb/

SONY IMX208 SENSOR DRIVER
M:	Sakari Ailus <sakari.ailus@linux.intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/i2c/imx208.c

SONY IMX214 SENSOR DRIVER
M:	Ricardo Ribalda <ribalda@kernel.org>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/sony,imx214.yaml
F:	drivers/media/i2c/imx214.c

SONY IMX219 SENSOR DRIVER
M:	Dave Stevenson <dave.stevenson@raspberrypi.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/imx219.yaml
F:	drivers/media/i2c/imx219.c

SONY IMX258 SENSOR DRIVER
M:	Sakari Ailus <sakari.ailus@linux.intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/imx258.yaml
F:	drivers/media/i2c/imx258.c

SONY IMX274 SENSOR DRIVER
M:	Leon Luo <leonl@leopardimaging.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/sony,imx274.yaml
F:	drivers/media/i2c/imx274.c

SONY IMX290 SENSOR DRIVER
M:	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/sony,imx290.yaml
F:	drivers/media/i2c/imx290.c

SONY IMX296 SENSOR DRIVER
M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
M:	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/sony,imx296.yaml
F:	drivers/media/i2c/imx296.c

SONY IMX319 SENSOR DRIVER
M:	Bingbu Cao <bingbu.cao@intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/i2c/imx319.c

SONY IMX334 SENSOR DRIVER
M:	Paul J. Murphy <paul.j.murphy@intel.com>
M:	Daniele Alessandrelli <daniele.alessandrelli@intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml
F:	drivers/media/i2c/imx334.c

SONY IMX335 SENSOR DRIVER
M:	Paul J. Murphy <paul.j.murphy@intel.com>
M:	Daniele Alessandrelli <daniele.alessandrelli@intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml
F:	drivers/media/i2c/imx335.c

SONY IMX355 SENSOR DRIVER
M:	Tianshu Qiu <tian.shu.qiu@intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/i2c/imx355.c

SONY IMX412 SENSOR DRIVER
M:	Paul J. Murphy <paul.j.murphy@intel.com>
M:	Daniele Alessandrelli <daniele.alessandrelli@intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml
F:	drivers/media/i2c/imx412.c

SONY IMX415 SENSOR DRIVER
M:	Michael Riesch <michael.riesch@wolfvision.net>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/sony,imx415.yaml
F:	drivers/media/i2c/imx415.c

SONY MEMORYSTICK SUBSYSTEM
M:	Maxim Levitsky <maximlevitsky@gmail.com>
M:	Alex Dubov <oakad@yahoo.com>
M:	Ulf Hansson <ulf.hansson@linaro.org>
L:	linux-mmc@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc.git
F:	drivers/memstick/
F:	include/linux/memstick.h

SONY VAIO CONTROL DEVICE DRIVER
M:	Mattia Dongili <malattia@linux.it>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
W:	http://www.linux.it/~malattia/wiki/index.php/Sony_drivers
F:	Documentation/admin-guide/laptops/sony-laptop.rst
F:	drivers/char/sonypi.c
F:	drivers/platform/x86/sony-laptop.c
F:	include/linux/sony-laptop.h

SOUND
M:	Jaroslav Kysela <perex@perex.cz>
M:	Takashi Iwai <tiwai@suse.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Maintained
W:	http://www.alsa-project.org/
Q:	http://patchwork.kernel.org/project/alsa-devel/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
F:	Documentation/sound/
F:	include/sound/
F:	include/uapi/sound/
F:	sound/
F:	tools/testing/selftests/alsa

SOUND - COMPRESSED AUDIO
M:	Vinod Koul <vkoul@kernel.org>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
F:	Documentation/sound/designs/compress-offload.rst
F:	include/sound/compress_driver.h
F:	include/uapi/sound/compress_*
F:	sound/core/compress_offload.c
F:	sound/soc/soc-compress.c

SOUND - DMAENGINE HELPERS
M:	Lars-Peter Clausen <lars@metafoo.de>
S:	Supported
F:	include/sound/dmaengine_pcm.h
F:	sound/core/pcm_dmaengine.c
F:	sound/soc/soc-generic-dmaengine-pcm.c

SOUND - ALSA SELFTESTS
M:	Mark Brown <broonie@kernel.org>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
L:	linux-kselftest@vger.kernel.org
S:	Supported
F:	tools/testing/selftests/alsa

SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
M:	Liam Girdwood <lgirdwood@gmail.com>
M:	Mark Brown <broonie@kernel.org>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Supported
W:	http://alsa-project.org/main/index.php/ASoC
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
F:	Documentation/devicetree/bindings/sound/
F:	Documentation/sound/soc/
F:	include/dt-bindings/sound/
F:	include/sound/soc*
F:	sound/soc/

SOUND - SOUND OPEN FIRMWARE (SOF) DRIVERS
M:	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
M:	Liam Girdwood <lgirdwood@gmail.com>
M:	Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
M:	Bard Liao <yung-chuan.liao@linux.intel.com>
M:	Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
R:	Kai Vehmanen <kai.vehmanen@linux.intel.com>
M:	Daniel Baluta <daniel.baluta@nxp.com>
L:	sound-open-firmware@alsa-project.org (moderated for non-subscribers)
S:	Supported
W:	https://github.com/thesofproject/linux/
F:	sound/soc/sof/

SOUNDWIRE SUBSYSTEM
M:	Vinod Koul <vkoul@kernel.org>
M:	Bard Liao <yung-chuan.liao@linux.intel.com>
R:	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
R:	Sanyog Kale <sanyog.r.kale@intel.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire.git
F:	Documentation/driver-api/soundwire/
F:	drivers/soundwire/
F:	include/linux/soundwire/

SP2 MEDIA DRIVER
M:	Olli Salonen <olli.salonen@iki.fi>
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/sp2*

SPANISH DOCUMENTATION
M:	Carlos Bilbao <carlos.bilbao@amd.com>
S:	Maintained
F:	Documentation/translations/sp_SP/

SPARC + UltraSPARC (sparc/sparc64)
M:	"David S. Miller" <davem@davemloft.net>
L:	sparclinux@vger.kernel.org
S:	Maintained
Q:	http://patchwork.ozlabs.org/project/sparclinux/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc.git
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next.git
F:	arch/sparc/
F:	drivers/sbus/

SPARC SERIAL DRIVERS
M:	"David S. Miller" <davem@davemloft.net>
L:	sparclinux@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc.git
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next.git
F:	drivers/tty/serial/suncore.c
F:	drivers/tty/serial/sunhv.c
F:	drivers/tty/serial/sunsab.c
F:	drivers/tty/serial/sunsab.h
F:	drivers/tty/serial/sunsu.c
F:	drivers/tty/serial/sunzilog.c
F:	drivers/tty/serial/sunzilog.h
F:	drivers/tty/vcc.c
F:	include/linux/sunserialcore.h

SPARSE CHECKER
M:	"Luc Van Oostenryck" <luc.vanoostenryck@gmail.com>
L:	linux-sparse@vger.kernel.org
S:	Maintained
W:	https://sparse.docs.kernel.org/
T:	git git://git.kernel.org/pub/scm/devel/sparse/sparse.git
Q:	https://patchwork.kernel.org/project/linux-sparse/list/
B:	https://bugzilla.kernel.org/enter_bug.cgi?component=Sparse&product=Tools
F:	include/linux/compiler.h

SPEAKUP CONSOLE SPEECH DRIVER
M:	William Hubbs <w.d.hubbs@gmail.com>
M:	Chris Brannon <chris@the-brannons.com>
M:	Kirk Reiser <kirk@reisers.ca>
M:	Samuel Thibault <samuel.thibault@ens-lyon.org>
L:	speakup@linux-speakup.org
S:	Odd Fixes
W:	http://www.linux-speakup.org/
W:	https://github.com/linux-speakup/speakup
B:	https://github.com/linux-speakup/speakup/issues
F:	drivers/accessibility/speakup/

SPEAR PLATFORM/CLOCK/PINCTRL SUPPORT
M:	Viresh Kumar <vireshk@kernel.org>
M:	Shiraz Hashim <shiraz.linux.kernel@gmail.com>
M:	soc@kernel.org
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
W:	http://www.st.com/spear
F:	arch/arm/boot/dts/spear*
F:	arch/arm/mach-spear/
F:	drivers/clk/spear/
F:	drivers/pinctrl/spear/

SPI NOR SUBSYSTEM
M:	Tudor Ambarus <tudor.ambarus@linaro.org>
M:	Pratyush Yadav <pratyush@kernel.org>
R:	Michael Walle <michael@walle.cc>
L:	linux-mtd@lists.infradead.org
S:	Maintained
W:	http://www.linux-mtd.infradead.org/
Q:	http://patchwork.ozlabs.org/project/linux-mtd/list/
C:	irc://irc.oftc.net/mtd
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git spi-nor/next
F:	Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
F:	drivers/mtd/spi-nor/
F:	include/linux/mtd/spi-nor.h

SPI SUBSYSTEM
M:	Mark Brown <broonie@kernel.org>
L:	linux-spi@vger.kernel.org
S:	Maintained
Q:	http://patchwork.kernel.org/project/spi-devel-general/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
F:	Documentation/devicetree/bindings/spi/
F:	Documentation/spi/
F:	drivers/spi/
F:	include/linux/spi/
F:	include/uapi/linux/spi/
F:	tools/spi/

SPIDERNET NETWORK DRIVER for CELL
M:	Ishizaki Kou <kou.ishizaki@toshiba.co.jp>
M:	Geoff Levand <geoff@infradead.org>
L:	netdev@vger.kernel.org
L:	linuxppc-dev@lists.ozlabs.org
S:	Maintained
F:	Documentation/networking/device_drivers/ethernet/toshiba/spider_net.rst
F:	drivers/net/ethernet/toshiba/spider_net*

SPMI SUBSYSTEM
M:	Stephen Boyd <sboyd@kernel.org>
L:	linux-kernel@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git
F:	Documentation/devicetree/bindings/spmi/
F:	drivers/spmi/
F:	include/dt-bindings/spmi/spmi.h
F:	include/linux/spmi.h
F:	include/trace/events/spmi.h

SPU FILE SYSTEM
M:	Jeremy Kerr <jk@ozlabs.org>
L:	linuxppc-dev@lists.ozlabs.org
S:	Supported
W:	http://www.ibm.com/developerworks/power/cell/
F:	Documentation/filesystems/spufs/spufs.rst
F:	arch/powerpc/platforms/cell/spufs/

SQUASHFS FILE SYSTEM
M:	Phillip Lougher <phillip@squashfs.org.uk>
L:	squashfs-devel@lists.sourceforge.net (subscribers-only)
S:	Maintained
W:	http://squashfs.org.uk
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next.git
F:	Documentation/filesystems/squashfs.rst
F:	fs/squashfs/

SRM (Alpha) environment access
M:	Jan-Benedict Glaw <jbglaw@lug-owl.de>
S:	Maintained
F:	arch/alpha/kernel/srm_env.c

ST LSM6DSx IMU IIO DRIVER
M:	Lorenzo Bianconi <lorenzo@kernel.org>
L:	linux-iio@vger.kernel.org
S:	Maintained
W:	http://www.st.com/
F:	Documentation/devicetree/bindings/iio/imu/st,lsm6dsx.yaml
F:	drivers/iio/imu/st_lsm6dsx/

ST MIPID02 CSI-2 TO PARALLEL BRIDGE DRIVER
M:	Benjamin Mugnier <benjamin.mugnier@foss.st.com>
M:	Sylvain Petinot <sylvain.petinot@foss.st.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/st,st-mipid02.yaml
F:	drivers/media/i2c/st-mipid02.c

ST STM32 I2C/SMBUS DRIVER
M:	Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
M:	Alain Volmat <alain.volmat@foss.st.com>
L:	linux-i2c@vger.kernel.org
S:	Maintained
F:	drivers/i2c/busses/i2c-stm32*

ST STM32 SPI DRIVER
M:	Alain Volmat <alain.volmat@foss.st.com>
L:	linux-spi@vger.kernel.org
S:	Maintained
F:	drivers/spi/spi-stm32.c

ST STPDDC60 DRIVER
M:	Daniel Nilsson <daniel.nilsson@flex.com>
L:	linux-hwmon@vger.kernel.org
S:	Maintained
F:	Documentation/hwmon/stpddc60.rst
F:	drivers/hwmon/pmbus/stpddc60.c

ST VGXY61 DRIVER
M:	Benjamin Mugnier <benjamin.mugnier@foss.st.com>
M:	Sylvain Petinot <sylvain.petinot@foss.st.com>
L:	linux-media@vger.kernel.org
S:	Maintained
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/i2c/st,st-vgxy61.yaml
F:	Documentation/userspace-api/media/drivers/st-vgxy61.rst
F:	drivers/media/i2c/st-vgxy61.c

ST VL53L0X ToF RANGER(I2C) IIO DRIVER
M:	Song Qiang <songqiang1304521@gmail.com>
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/iio/proximity/st,vl53l0x.yaml
F:	drivers/iio/proximity/vl53l0x-i2c.c

STABLE BRANCH
M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
M:	Sasha Levin <sashal@kernel.org>
L:	stable@vger.kernel.org
S:	Supported
F:	Documentation/process/stable-kernel-rules.rst

STAGING - ATOMISP DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
M:	Mauro Carvalho Chehab <mchehab@kernel.org>
R:	Sakari Ailus <sakari.ailus@linux.intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
F:	drivers/staging/media/atomisp/