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IEEE 802.15.4 SUBSYSTEM
M:	Alexander Aring <alex.aring@gmail.com>
M:	Stefan Schmidt <stefan@datenfreihafen.org>
L:	linux-wpan@vger.kernel.org
W:	http://wpan.cakelab.org/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan.git
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan-next.git
S:	Maintained
F:	net/ieee802154/
F:	drivers/net/ieee802154/
F:	include/linux/nl802154.h
F:	include/linux/ieee802154.h
F:	include/net/nl802154.h
F:	include/net/mac802154.h
F:	include/net/af_ieee802154.h
F:	include/net/cfg802154.h
F:	include/net/ieee802154_netdev.h
F:	Documentation/networking/ieee802154.rst
IFE PROTOCOL
M:	Yotam Gigi <yotam.gi@gmail.com>
M:	Jamal Hadi Salim <jhs@mojatatu.com>
F:	net/ife
F:	include/net/ife.h
F:	include/uapi/linux/ife.h

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

IGUANAWORKS USB IR TRANSCEIVER
M:	Sean Young <sean@mess.org>
L:	linux-media@vger.kernel.org
S:	Maintained
F:	drivers/media/rc/iguanair.c

IIO DIGITAL POTENTIOMETER DAC
M:	Peter Rosin <peda@axentia.se>
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/ABI/testing/sysfs-bus-iio-dac-dpot-dac
F:	Documentation/devicetree/bindings/iio/dac/dpot-dac.txt
F:	drivers/iio/dac/dpot-dac.c
IIO ENVELOPE DETECTOR
M:	Peter Rosin <peda@axentia.se>
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/ABI/testing/sysfs-bus-iio-adc-envelope-detector
F:	Documentation/devicetree/bindings/iio/adc/envelope-detector.txt
F:	drivers/iio/adc/envelope-detector.c
IIO MULTIPLEXER
M:	Peter Rosin <peda@axentia.se>
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
F:	drivers/iio/multiplexer/iio-mux.c
IIO SUBSYSTEM AND DRIVERS
M:	Jonathan Cameron <jic23@kernel.org>
R:	Hartmut Knaack <knaack.h@gmx.de>
R:	Lars-Peter Clausen <lars@metafoo.de>
R:	Peter Meerwald-Stadler <pmeerw@pmeerw.net>
L:	linux-iio@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
F:	Documentation/ABI/testing/configfs-iio*
F:	Documentation/ABI/testing/sysfs-bus-iio*
F:	Documentation/devicetree/bindings/iio/
F:	drivers/staging/iio/
F:	include/linux/iio/
IIO UNIT CONVERTER
M:	Peter Rosin <peda@axentia.se>
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.txt
F:	Documentation/devicetree/bindings/iio/afe/current-sense-shunt.txt
F:	Documentation/devicetree/bindings/iio/afe/voltage-divider.txt
F:	drivers/iio/afe/iio-rescale.c
IKANOS/ADI EAGLE ADSL USB DRIVER
M:	Matthieu Castet <castet.matthieu@free.fr>
M:	Stanislaw Gruszka <stf_xl@wp.pl>
S:	Maintained
F:	drivers/usb/atm/ueagle-atm.c

M:	Paul Burton <paulburton@kernel.org>
S:	Maintained
F:	Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt
F:	drivers/auxdisplay/img-ascii-lcd.c
IMGTEC IR DECODER DRIVER
M:	James Hogan <jhogan@kernel.org>
S:	Maintained
F:	drivers/media/rc/img-ir/

IMON SOUNDGRAPH USB IR RECEIVER
M:	Sean Young <sean@mess.org>
L:	linux-media@vger.kernel.org
S:	Maintained
F:	drivers/media/rc/imon_raw.c
F:	drivers/media/rc/imon.c

IMS TWINTURBO FRAMEBUFFER DRIVER
L:	linux-fbdev@vger.kernel.org
S:	Orphan
F:	drivers/video/fbdev/imsttfb.c

INA209 HARDWARE MONITOR DRIVER
M:	Guenter Roeck <linux@roeck-us.net>
F:	Documentation/hwmon/ina209.rst
F:	Documentation/devicetree/bindings/hwmon/ina2xx.txt
F:	drivers/hwmon/ina209.c

INA2XX HARDWARE MONITOR DRIVER
M:	Guenter Roeck <linux@roeck-us.net>
F:	Documentation/hwmon/ina2xx.rst
F:	drivers/hwmon/ina2xx.c
F:	include/linux/platform_data/ina2xx.h

INDUSTRY PACK SUBSYSTEM (IPACK)
M:	Samuel Iglesias Gonsalvez <siglesias@igalia.com>
M:	Jens Taprogge <jens.taprogge@taprogge.org>
M:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L:	industrypack-devel@lists.sourceforge.net
W:	http://industrypack.sourceforge.net
S:	Maintained
F:	drivers/ipack/

INFINEON DPS310 Driver
M:	Eddie James <eajames@linux.ibm.com>
L:	linux-iio@vger.kernel.org
F:	drivers/iio/pressure/dps310.c
S:	Maintained

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INFINIBAND SUBSYSTEM
M:	Doug Ledford <dledford@redhat.com>
M:	Jason Gunthorpe <jgg@mellanox.com>
L:	linux-rdma@vger.kernel.org
W:	https://github.com/linux-rdma/rdma-core
Q:	http://patchwork.kernel.org/project/linux-rdma/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git
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S:	Supported
F:	Documentation/devicetree/bindings/infiniband/
F:	Documentation/infiniband/
F:	drivers/infiniband/
F:	include/uapi/linux/if_infiniband.h
F:	include/uapi/rdma/
F:	include/rdma/
F:	include/trace/events/ib_mad.h
F:	include/trace/events/ib_umad.h
F:	samples/bpf/ibumad_kern.c
F:	samples/bpf/ibumad_user.c
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INGENIC JZ4780 DMA Driver
M:	Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
S:	Maintained
F:	drivers/dma/dma-jz4780.c

INGENIC JZ4780 NAND DRIVER
M:	Harvey Hunt <harveyhuntnexus@gmail.com>
L:	linux-mtd@lists.infradead.org
S:	Maintained
F:	drivers/mtd/nand/raw/ingenic/
INGENIC JZ47xx SoCs
M:	Paul Cercueil <paul@crapouillou.net>
S:	Maintained
F:	arch/mips/boot/dts/ingenic/
F:	arch/mips/include/asm/mach-jz4740/
F:	arch/mips/jz4740/
F:	drivers/clk/ingenic/
F:	drivers/dma/dma-jz4780.c
F:	drivers/gpu/drm/ingenic/
F:	drivers/i2c/busses/i2c-jz4780.c
F:	drivers/iio/adc/ingenic-adc.c
F:	drivers/irqchip/irq-ingenic.c
F:	drivers/memory/jz4780-nemc.c
F:	drivers/mmc/host/jz4740_mmc.c
F:	drivers/mtd/nand/raw/ingenic/
F:	drivers/pinctrl/pinctrl-ingenic.c
F:	drivers/power/supply/ingenic-battery.c
F:	drivers/pwm/pwm-jz4740.c
F:	drivers/rtc/rtc-jz4740.c
F:	drivers/tty/serial/8250/8250_ingenic.c
F:	drivers/usb/musb/jz4740.c
F:	drivers/watchdog/jz4740_wdt.c
F:	include/dt-bindings/iio/adc/ingenic,adc.h
F:	include/linux/mfd/ingenic-tcu.h
F:	sound/soc/jz4740/
F:	sound/soc/codecs/jz47*

M:	Jan Kara <jack@suse.cz>
R:	Amir Goldstein <amir73il@gmail.com>
L:	linux-fsdevel@vger.kernel.org
S:	Maintained
F:	Documentation/filesystems/inotify.txt
F:	fs/notify/inotify/
F:	include/linux/inotify.h
F:	include/uapi/linux/inotify.h
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INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN) DRIVERS
M:	Dmitry Torokhov <dmitry.torokhov@gmail.com>
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L:	linux-input@vger.kernel.org
Q:	http://patchwork.kernel.org/project/linux-input/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git
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S:	Maintained
F:	drivers/input/
F:	include/linux/input.h
F:	include/uapi/linux/input.h
F:	include/uapi/linux/input-event-codes.h
F:	include/linux/input/
F:	Documentation/devicetree/bindings/input/
F:	Documentation/devicetree/bindings/serio/
F:	Documentation/input/
INPUT MULTITOUCH (MT) PROTOCOL
M:	Henrik Rydberg <rydberg@bitmath.org>
L:	linux-input@vger.kernel.org
F:	Documentation/input/multi-touch-protocol.rst
F:	drivers/input/input-mt.c
M:	Antoine Tenart <antoine.tenart@bootlin.com>
F:	drivers/crypto/inside-secure/
S:	Maintained
L:	linux-crypto@vger.kernel.org

INTEGRITY MEASUREMENT ARCHITECTURE (IMA)
M:	Mimi Zohar <zohar@linux.ibm.com>
M:	Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
L:	linux-integrity@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git
S:	Supported
F:	security/integrity/ima/

INTEL 810/815 FRAMEBUFFER DRIVER
M:	Antonino Daplas <adaplas@gmail.com>
L:	linux-fbdev@vger.kernel.org
S:	Maintained
F:	drivers/video/fbdev/i810/

M:	Cezary Rojewski <cezary.rojewski@intel.com>
M:	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
M:	Liam Girdwood <liam.r.girdwood@linux.intel.com>
M:	Jie Yang <yang.jie@linux.intel.com>
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
INTEL ATOMISP2 DUMMY / POWER-MANAGEMENT DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/intel_atomisp2_pm.c

INTEL C600 SERIES SAS CONTROLLER DRIVER
M:	Intel SCU Linux support <intel-linux-scu@intel.com>
M:	Artur Paszkiewicz <artur.paszkiewicz@intel.com>
L:	linux-scsi@vger.kernel.org
T:	git git://git.code.sf.net/p/intel-sas/isci
S:	Supported
INTEL CPU family model numbers
M:	Tony Luck <tony.luck@intel.com>
M:	x86@kernel.org
L:	linux-kernel@vger.kernel.org
S:	Supported
F:	arch/x86/include/asm/intel-family.h

INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets)
M:	Jani Nikula <jani.nikula@linux.intel.com>
M:	Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
M:	Rodrigo Vivi <rodrigo.vivi@intel.com>
L:	intel-gfx@lists.freedesktop.org
W:	https://01.org/linuxgraphics/
B:	https://01.org/linuxgraphics/documentation/how-report-bugs
C:	irc://chat.freenode.net/intel-gfx
Q:	http://patchwork.freedesktop.org/project/intel-gfx/
T:	git git://anongit.freedesktop.org/drm-intel
F:	drivers/gpu/drm/i915/
F:	include/drm/i915*
F:	include/uapi/drm/i915_drm.h
F:	Documentation/gpu/i915.rst
INTEL ETHERNET DRIVERS
M:	Jeff Kirsher <jeffrey.t.kirsher@intel.com>
L:	intel-wired-lan@lists.osuosl.org (moderated for non-subscribers)
W:	http://www.intel.com/support/feedback.htm
W:	http://e1000.sourceforge.net/
Q:	http://patchwork.ozlabs.org/project/intel-wired-lan/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue.git
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git
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S:	Supported
F:	Documentation/networking/device_drivers/intel/e100.rst
F:	Documentation/networking/device_drivers/intel/e1000.rst
F:	Documentation/networking/device_drivers/intel/e1000e.rst
F:	Documentation/networking/device_drivers/intel/fm10k.rst
F:	Documentation/networking/device_drivers/intel/igb.rst
F:	Documentation/networking/device_drivers/intel/igbvf.rst
F:	Documentation/networking/device_drivers/intel/ixgb.rst
F:	Documentation/networking/device_drivers/intel/ixgbe.rst
F:	Documentation/networking/device_drivers/intel/ixgbevf.rst
F:	Documentation/networking/device_drivers/intel/i40e.rst
F:	Documentation/networking/device_drivers/intel/iavf.rst
F:	Documentation/networking/device_drivers/intel/ice.rst
F:	drivers/net/ethernet/intel/
F:	drivers/net/ethernet/intel/*/
F:	include/linux/avf/virtchnl.h
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INTEL FRAMEBUFFER DRIVER (excluding 810 and 815)
M:	Maik Broemme <mbroemme@libmpq.org>
L:	linux-fbdev@vger.kernel.org
F:	Documentation/fb/intelfb.rst
F:	drivers/video/fbdev/intelfb/
M:	Andy Shevchenko <andy@kernel.org>
L:	linux-gpio@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
F:	drivers/gpio/gpio-ich.c
F:	drivers/gpio/gpio-intel-mid.c
F:	drivers/gpio/gpio-lynxpoint.c
F:	drivers/gpio/gpio-merrifield.c
F:	drivers/gpio/gpio-ml-ioh.c
F:	drivers/gpio/gpio-pch.c
F:	drivers/gpio/gpio-sch.c
F:	drivers/gpio/gpio-sodaville.c

INTEL GVT-g DRIVERS (Intel GPU Virtualization)
M:	Zhenyu Wang <zhenyuw@linux.intel.com>
M:	Zhi Wang <zhi.a.wang@intel.com>
L:	intel-gvt-dev@lists.freedesktop.org
L:	intel-gfx@lists.freedesktop.org
W:	https://01.org/igvt-g
T:	git https://github.com/intel/gvt-linux.git
S:	Supported
F:	drivers/gpu/drm/i915/gvt/
INTEL HID EVENT DRIVER
M:	Alex Hung <alex.hung@canonical.com>
L:	platform-driver-x86@vger.kernel.org
F:	drivers/platform/x86/intel-hid.c
INTEL I/OAT DMA DRIVER
M:	Dave Jiang <dave.jiang@intel.com>
R:	Dan Williams <dan.j.williams@intel.com>
L:	dmaengine@vger.kernel.org
Q:	https://patchwork.kernel.org/project/linux-dmaengine/list/
F:	drivers/dma/ioat*
INTEL IDLE DRIVER
M:	Jacob Pan <jacob.jun.pan@linux.intel.com>
M:	Len Brown <lenb@kernel.org>
L:	linux-pm@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux.git
B:	https://bugzilla.kernel.org
F:	drivers/idle/intel_idle.c
INTEL INTEGRATED SENSOR HUB DRIVER
M:	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
M:	Jiri Kosina <jikos@kernel.org>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	drivers/hid/intel-ish-hid/
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INTEL IOMMU (VT-d)
M:	David Woodhouse <dwmw2@infradead.org>
M:	Lu Baolu <baolu.lu@linux.intel.com>
L:	iommu@lists.linux-foundation.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
S:	Supported
F:	drivers/iommu/dmar.c
F:	drivers/iommu/intel*.[ch]
F:	include/linux/intel-iommu.h
F:	include/linux/intel-svm.h

INTEL IOP-ADMA DMA DRIVER
R:	Dan Williams <dan.j.williams@intel.com>
S:	Odd fixes
F:	drivers/dma/iop-adma.c

INTEL IPU3 CSI-2 CIO2 DRIVER
M:	Yong Zhi <yong.zhi@intel.com>
M:	Sakari Ailus <sakari.ailus@linux.intel.com>
M:	Bingbu Cao <bingbu.cao@intel.com>
R:	Tian Shu Qiu <tian.shu.qiu@intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
F:	drivers/media/pci/intel/ipu3/
F:	Documentation/media/uapi/v4l/pixfmt-srggb10-ipu3.rst

INTEL IPU3 CSI-2 IMGU DRIVER
M:	Sakari Ailus <sakari.ailus@linux.intel.com>
L:	linux-media@vger.kernel.org
S:	Maintained
F:	drivers/staging/media/ipu3/
F:	Documentation/media/uapi/v4l/pixfmt-meta-intel-ipu3.rst
F:	Documentation/media/v4l-drivers/ipu3.rst
F:	Documentation/media/v4l-drivers/ipu3_rcb.svg
INTEL IXP4XX QMGR, NPE, ETHERNET and HSS SUPPORT
M:	Krzysztof Halasa <khalasa@piap.pl>
S:	Maintained
F:	include/linux/soc/ixp4xx/qmgr.h
F:	include/linux/soc/ixp4xx/npe.h
F:	drivers/soc/ixp4xx/ixp4xx-qmgr.c
F:	drivers/soc/ixp4xx/ixp4xx-npe.c
F:	drivers/net/ethernet/xscale/ixp4xx_eth.c
F:	drivers/net/wan/ixp4xx_hss.c

INTEL IXP4XX RANDOM NUMBER GENERATOR SUPPORT
M:	Deepak Saxena <dsaxena@plexity.net>
S:	Maintained
F:	drivers/char/hw_random/ixp4xx-rng.c
INTEL MANAGEMENT ENGINE (mei)
M:	Tomas Winkler <tomas.winkler@intel.com>
L:	linux-kernel@vger.kernel.org
S:	Supported
F:	include/uapi/linux/mei.h
F:	include/linux/mei_cl_bus.h
F:	drivers/misc/mei/*
F:	drivers/watchdog/mei_wdt.c
F:	Documentation/driver-api/mei/*
INTEL MENLOW THERMAL DRIVER
M:	Sujith Thomas <sujith.thomas@intel.com>
L:	platform-driver-x86@vger.kernel.org
W:	https://01.org/linux-acpi
S:	Supported
F:	drivers/platform/x86/intel_menlow.c

INTEL MIC DRIVERS (mic)
M:	Sudeep Dutt <sudeep.dutt@intel.com>
M:	Ashutosh Dixit <ashutosh.dixit@intel.com>
S:	Supported
W:	https://github.com/sudeepdutt/mic
W:	http://software.intel.com/en-us/mic-developer
F:	include/linux/mic_bus.h
F:	include/linux/scif.h
F:	include/uapi/linux/mic_common.h
F:	include/uapi/linux/mic_ioctl.h
F:	include/uapi/linux/scif_ioctl.h
F:	drivers/misc/mic/
F:	drivers/dma/mic_x100_dma.c
F:	drivers/dma/mic_x100_dma.h
INTEL PMC CORE DRIVER
M:	Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
M:	Vishwanath Somayaji <vishwanath.somayaji@intel.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/intel_pmc_core*

INTEL PMC/P-Unit IPC DRIVER
M:	Zha Qipeng<qipeng.zha@intel.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/intel_pmc_ipc.c
F:	drivers/platform/x86/intel_punit_ipc.c
F:	arch/x86/include/asm/intel_pmc_ipc.h
F:	arch/x86/include/asm/intel_punit_ipc.h
M:	Andy Shevchenko <andy@kernel.org>
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git
F:	drivers/gpio/gpio-*cove.c
F:	drivers/gpio/gpio-msic.c

INTEL PMIC MULTIFUNCTION DEVICE DRIVERS
R:	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
S:	Maintained
F:	drivers/mfd/intel_msic.c
F:	drivers/mfd/intel_soc_pmic*
F:	include/linux/mfd/intel_msic.h
F:	include/linux/mfd/intel_soc_pmic*

INTEL PRO/WIRELESS 2100, 2200BG, 2915ABG NETWORK CONNECTION SUPPORT
M:	Stanislav Yakovlev <stas.yakovlev@gmail.com>
L:	linux-wireless@vger.kernel.org
S:	Maintained
F:	Documentation/networking/device_drivers/intel/ipw2100.txt
F:	Documentation/networking/device_drivers/intel/ipw2200.txt
F:	drivers/net/wireless/intel/ipw2x00/

INTEL PSTATE DRIVER
M:	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
M:	Len Brown <lenb@kernel.org>
L:	linux-pm@vger.kernel.org
S:	Supported
F:	drivers/cpufreq/intel_pstate.c

INTEL RDMA RNIC DRIVER
M:	Faisal Latif <faisal.latif@intel.com>
M:	Shiraz Saleem <shiraz.saleem@intel.com>
L:	linux-rdma@vger.kernel.org
S:	Supported
F:	drivers/infiniband/hw/i40iw/
F:	include/uapi/rdma/i40iw-abi.h
INTEL SPEED SELECT TECHNOLOGY
M:	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/intel_speed_select_if/
F:	tools/power/x86/intel-speed-select/
F:	include/uapi/linux/isst_if.h

INTEL STRATIX10 FIRMWARE DRIVERS
M:	Richard Gong <richard.gong@linux.intel.com>
L:	linux-kernel@vger.kernel.org
S:	Maintained
F:	drivers/firmware/stratix10-rsu.c
F:	drivers/firmware/stratix10-svc.c
F:	include/linux/firmware/intel/stratix10-smc.h
F:	include/linux/firmware/intel/stratix10-svc-client.h
F:	Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu
F:	Documentation/devicetree/bindings/firmware/intel,stratix10-svc.txt

M:	Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com>
M:	"David E. Box" <david.e.box@linux.intel.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	arch/x86/include/asm/intel_telemetry.h
F:	drivers/platform/x86/intel_telemetry*
INTEL VIRTUAL BUTTON DRIVER
M:	AceLan Kao <acelan.kao@canonical.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
F:	drivers/platform/x86/intel-vbtn.c

INTEL WIRELESS 3945ABG/BG, 4965AGN (iwlegacy)
M:	Stanislaw Gruszka <sgruszka@redhat.com>
L:	linux-wireless@vger.kernel.org
S:	Supported
F:	drivers/net/wireless/intel/iwlegacy/

INTEL WIRELESS WIFI LINK (iwlwifi)
M:	Johannes Berg <johannes.berg@intel.com>
M:	Emmanuel Grumbach <emmanuel.grumbach@intel.com>
M:	Luca Coelho <luciano.coelho@intel.com>
M:	Intel Linux Wireless <linuxwifi@intel.com>
L:	linux-wireless@vger.kernel.org
W:	http://intellinuxwireless.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi.git
S:	Supported
F:	drivers/net/wireless/intel/iwlwifi/

INTEL WIRELESS WIMAX CONNECTION 2400
M:	Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
M:	linux-wimax@intel.com
L:	wimax@linuxwimax.org (subscribers-only)
S:	Supported
W:	http://linuxwimax.org
F:	Documentation/admin-guide/wimax/i2400m.rst
F:	drivers/net/wimax/i2400m/
F:	include/uapi/linux/wimax/i2400m.h

INTEL WMI THUNDERBOLT FORCE POWER DRIVER
M:	Mario Limonciello <mario.limonciello@dell.com>
S:	Maintained
F:	drivers/platform/x86/intel-wmi-thunderbolt.c

INTEL(R) TRACE HUB
M:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
S:	Supported
F:	Documentation/trace/intel_th.rst
F:	drivers/hwtracing/intel_th/
F:	include/linux/intel_th.h

INTEL(R) TRUSTED EXECUTION TECHNOLOGY (TXT)
M:	Ning Sun <ning.sun@intel.com>
L:	tboot-devel@lists.sourceforge.net
W:	http://tboot.sourceforge.net
T:	hg http://tboot.hg.sourceforge.net:8000/hgroot/tboot/tboot
S:	Supported
F:	Documentation/x86/intel_txt.rst
F:	include/linux/tboot.h
F:	arch/x86/kernel/tboot.c

INTERCONNECT API
M:	Georgi Djakov <georgi.djakov@linaro.org>
L:	linux-pm@vger.kernel.org
F:	Documentation/driver-api/interconnect.rst
F:	Documentation/devicetree/bindings/interconnect/
F:	drivers/interconnect/
F:	include/dt-bindings/interconnect/
F:	include/linux/interconnect-provider.h
F:	include/linux/interconnect.h

INVENSENSE MPU-3050 GYROSCOPE DRIVER
M:	Linus Walleij <linus.walleij@linaro.org>
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	drivers/iio/gyro/mpu3050*
F:	Documentation/devicetree/bindings/iio/gyroscope/invensense,mpu3050.txt
IOC3 ETHERNET DRIVER
M:	Ralf Baechle <ralf@linux-mips.org>
L:	linux-mips@vger.kernel.org
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S:	Maintained
F:	drivers/net/ethernet/sgi/ioc3-eth.c
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IOMAP FILESYSTEM LIBRARY
M:	Christoph Hellwig <hch@infradead.org>
M:	Darrick J. Wong <darrick.wong@oracle.com>
M:	linux-xfs@vger.kernel.org
M:	linux-fsdevel@vger.kernel.org
L:	linux-xfs@vger.kernel.org
L:	linux-fsdevel@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git
S:	Supported
IOMMU DRIVERS
M:	Joerg Roedel <joro@8bytes.org>
L:	iommu@lists.linux-foundation.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
S:	Maintained
F:	Documentation/devicetree/bindings/iommu/
F:	drivers/iommu/
F:	include/linux/iommu.h
F:	include/linux/iova.h
IO_URING
M:	Jens Axboe <axboe@kernel.dk>
L:	io-uring@vger.kernel.org
T:	git git://git.kernel.dk/linux-block
T:	git git://git.kernel.dk/liburing
S:	Maintained
F:	fs/io_uring.c
F:	fs/io-wq.c
F:	fs/io-wq.h
F:	include/uapi/linux/io_uring.h

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IPMI SUBSYSTEM
M:	Corey Minyard <minyard@acm.org>
L:	openipmi-developer@lists.sourceforge.net (moderated for non-subscribers)
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W:	http://openipmi.sourceforge.net/
S:	Supported
F:	Documentation/devicetree/bindings/ipmi/
F:	Documentation/IPMI.txt
F:	drivers/char/ipmi/
F:	include/linux/ipmi*
F:	include/uapi/linux/ipmi*
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IPS SCSI RAID DRIVER
M:	Adaptec OEM Raid Solutions <aacraid@microsemi.com>
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L:	linux-scsi@vger.kernel.org
W:	http://www.adaptec.com/
S:	Maintained
F:	drivers/scsi/ips*
M:	Wensong Zhang <wensong@linux-vs.org>
M:	Simon Horman <horms@verge.net.au>
M:	Julian Anastasov <ja@ssi.bg>
L:	netdev@vger.kernel.org
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L:	lvs-devel@vger.kernel.org
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S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-next.git
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git
F:	Documentation/networking/ipvs-sysctl.txt
F:	include/net/ip_vs.h
F:	include/uapi/linux/ip_vs.h
F:	net/netfilter/ipvs/
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IPWIRELESS DRIVER
M:	Jiri Kosina <jikos@kernel.org>
M:	David Sterba <dsterba@suse.com>
S:	Odd Fixes
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IPX NETWORK LAYER
L:	netdev@vger.kernel.org
F:	include/uapi/linux/ipx.h
IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
M:	Marc Zyngier <maz@kernel.org>
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
F:	Documentation/IRQ-domain.txt
F:	include/linux/irqdomain.h
F:	kernel/irq/irqdomain.c
F:	kernel/irq/msi.c

IRQ SUBSYSTEM
M:	Thomas Gleixner <tglx@linutronix.de>
L:	linux-kernel@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
F:	kernel/irq/

IRQCHIP DRIVERS
M:	Thomas Gleixner <tglx@linutronix.de>
M:	Jason Cooper <jason@lakedaemon.net>
M:	Marc Zyngier <maz@kernel.org>
L:	linux-kernel@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
F:	Documentation/devicetree/bindings/interrupt-controller/
ISA
M:	William Breathitt Gray <vilhelm.gray@gmail.com>
S:	Maintained
F:	Documentation/driver-api/isa.rst
F:	drivers/base/isa.c
F:	include/linux/isa.h

ISA RADIO MODULE
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/radio/radio-isa*

ISAPNP
M:	Jaroslav Kysela <perex@perex.cz>
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S:	Maintained
F:	Documentation/driver-api/isapnp.rst
F:	drivers/pnp/isapnp/
F:	include/linux/isapnp.h
M:	Lee Duncan <lduncan@suse.com>
M:	Chris Leech <cleech@redhat.com>
L:	open-iscsi@googlegroups.com
W:	www.open-iscsi.com
S:	Maintained
F:	drivers/scsi/*iscsi*
F:	include/scsi/*iscsi*
iSCSI BOOT FIRMWARE TABLE (iBFT) DRIVER
M:	Peter Jones <pjones@redhat.com>
M:	Konrad Rzeszutek Wilk <konrad@kernel.org>
S:	Maintained
F:	drivers/firmware/iscsi_ibft*

ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR
M:	Sagi Grimberg <sagi@grimberg.me>
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M:	Max Gurtovoy <maxg@mellanox.com>
L:	linux-rdma@vger.kernel.org
S:	Supported
W:	http://www.openfabrics.org
W:	www.open-iscsi.org
Q:	http://patchwork.kernel.org/project/linux-rdma/list/
F:	drivers/infiniband/ulp/iser/
ISCSI EXTENSIONS FOR RDMA (ISER) TARGET
M:	Sagi Grimberg <sagi@grimberg.me>
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git master
L:	linux-rdma@vger.kernel.org
L:	target-devel@vger.kernel.org
S:	Supported
W:	http://www.linux-iscsi.org
F:	drivers/infiniband/ulp/isert

ISDN/mISDN SUBSYSTEM
M:	Karsten Keil <isdn@linux-pingi.de>
L:	isdn4linux@listserv.isdn4linux.de (subscribers-only)
L:	netdev@vger.kernel.org
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W:	http://www.isdn4linux.de
S:	Maintained
F:	drivers/isdn/mISDN
F:	drivers/isdn/hardware

ISDN/CAPI SUBSYSTEM
M:	Karsten Keil <isdn@linux-pingi.de>
L:	isdn4linux@listserv.isdn4linux.de (subscribers-only)
L:	netdev@vger.kernel.org
W:	http://www.isdn4linux.de
S:	Odd Fixes
F:	Documentation/isdn/
F:	drivers/isdn/capi/
F:	drivers/staging/isdn/
F:	net/bluetooth/cmtp/
F:	include/linux/isdn/
F:	include/uapi/linux/isdn/
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IT87 HARDWARE MONITORING DRIVER
M:	Jean Delvare <jdelvare@suse.com>
F:	Documentation/hwmon/it87.rst
F:	drivers/hwmon/it87.c

IT913X MEDIA DRIVER
M:	Antti Palosaari <crope@iki.fi>
L:	linux-media@vger.kernel.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/it913x*
IVTV VIDEO4LINUX DRIVER
M:	Andy Walls <awalls@md.metrocast.net>
T:	git git://linuxtv.org/media_tree.git
W:	https://linuxtv.org
S:	Maintained
F:	Documentation/media/v4l-drivers/ivtv*
F:	include/uapi/linux/ivtv*
IX2505V MEDIA DRIVER
M:	Malcolm Priestley <tvboxspy@gmail.com>
L:	linux-media@vger.kernel.org
Q:	http://patchwork.linuxtv.org/project/linux-media/list/
S:	Maintained
F:	drivers/media/dvb-frontends/ix2505v*

JAILHOUSE HYPERVISOR INTERFACE
M:	Jan Kiszka <jan.kiszka@siemens.com>
L:	jailhouse-dev@googlegroups.com
S:	Maintained
F:	arch/x86/kernel/jailhouse.c
F:	arch/x86/include/asm/jailhouse_para.h

JC42.4 TEMPERATURE SENSOR DRIVER
M:	Guenter Roeck <linux@roeck-us.net>
S:	Maintained
F:	drivers/hwmon/jc42.c
F:	Documentation/hwmon/jc42.rst
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JFS FILESYSTEM
M:	Dave Kleikamp <shaggy@kernel.org>
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L:	jfs-discussion@lists.sourceforge.net
W:	http://jfs.sourceforge.net/
T:	git git://github.com/kleikamp/linux-shaggy.git
S:	Maintained
F:	Documentation/admin-guide/jfs.rst
F:	fs/jfs/
JME NETWORK DRIVER
M:	Guo-Fu Tseng <cooldavid@cooldavid.org>
L:	netdev@vger.kernel.org
S:	Maintained
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F:	drivers/net/ethernet/jme.*
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JOURNALLING FLASH FILE SYSTEM V2 (JFFS2)
M:	David Woodhouse <dwmw2@infradead.org>
M:	Richard Weinberger <richard@nod.at>
L:	linux-mtd@lists.infradead.org
W:	http://www.linux-mtd.infradead.org/doc/jffs2.html
T:	git git://git.infradead.org/ubifs-2.6.git
S:	Odd Fixes
F:	fs/jffs2/
F:	include/uapi/linux/jffs2.h
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JOURNALLING LAYER FOR BLOCK DEVICES (JBD2)
M:	"Theodore Ts'o" <tytso@mit.edu>
M:	Jan Kara <jack@suse.com>
L:	linux-ext4@vger.kernel.org
S:	Maintained
F:	fs/jbd2/
F:	include/linux/jbd2.h
JPU V4L2 MEM2MEM DRIVER FOR RENESAS
M:	Mikhail Ulyanov <mikhail.ulyanov@cogentembedded.com>
L:	linux-media@vger.kernel.org
S:	Maintained
F:	drivers/media/platform/rcar_jpu.c

JSM Neo PCI based serial card
L:	linux-serial@vger.kernel.org
F:	drivers/tty/serial/jsm/
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K10TEMP HARDWARE MONITORING DRIVER
M:	Clemens Ladisch <clemens@ladisch.de>
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S:	Maintained
F:	Documentation/hwmon/k10temp.rst
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F:	drivers/hwmon/k10temp.c

K8TEMP HARDWARE MONITORING DRIVER
M:	Rudolf Marek <r.marek@assembler.cz>
F:	Documentation/hwmon/k8temp.rst
F:	drivers/hwmon/k8temp.c
KASAN
M:	Andrey Ryabinin <aryabinin@virtuozzo.com>
R:	Alexander Potapenko <glider@google.com>
R:	Dmitry Vyukov <dvyukov@google.com>
L:	kasan-dev@googlegroups.com
S:	Maintained
F:	arch/*/include/asm/kasan.h
F:	arch/*/mm/kasan_init*
F:	Documentation/dev-tools/kasan.rst
F:	include/linux/kasan*.h
F:	lib/test_kasan.c
F:	mm/kasan/
F:	scripts/Makefile.kasan

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KCONFIG
M:	Masahiro Yamada <masahiroy@kernel.org>
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kconfig
L:	linux-kbuild@vger.kernel.org
F:	Documentation/kbuild/kconfig*
F:	scripts/kconfig/
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M:	Dave Young <dyoung@redhat.com>
M:	Baoquan He <bhe@redhat.com>
R:	Vivek Goyal <vgoyal@redhat.com>
L:	kexec@lists.infradead.org
W:	http://lse.sourceforge.net/kdump/
S:	Maintained
F:	Documentation/admin-guide/kdump/
KEENE FM RADIO TRANSMITTER 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/radio/radio-keene*

KERNEL AUTOMOUNTER
M:	Ian Kent <raven@themaw.net>
L:	autofs@vger.kernel.org
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S:	Maintained
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KERNEL BUILD + files below scripts/ (unless maintained elsewhere)
M:	Masahiro Yamada <masahiroy@kernel.org>
M:	Michal Marek <michal.lkml@markovi.net>
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
L:	linux-kbuild@vger.kernel.org
S:	Maintained
F:	Documentation/kbuild/
F:	Makefile
F:	scripts/Kbuild*
F:	scripts/Makefile*
F:	scripts/basic/
F:	scripts/mk*
F:	scripts/package/
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KERNEL JANITORS
L:	kernel-janitors@vger.kernel.org
W:	http://kernelnewbies.org/KernelJanitors
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KERNEL NFSD, SUNRPC, AND LOCKD SERVERS
M:	"J. Bruce Fields" <bfields@fieldses.org>
M:	Chuck Lever <chuck.lever@oracle.com>
L:	linux-nfs@vger.kernel.org
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W:	http://nfs.sourceforge.net/
T:	git git://linux-nfs.org/~bfields/linux.git
F:	fs/nfsd/
F:	include/uapi/linux/nfsd/
F:	fs/lockd/