Active subsystems in linux-arm-kernel

100 subsystems with patch activity in the last 7 days, busiest first. Each links to its own dashboard: recent patches, active threads and reviewers for the paths that subsystem claims in MAINTAINERS.

• open firmware and flattened device tree bindings
  88 messages in 7d · last 2026-10-27 03:49 · Rob Herring et al.
• drm drivers
  62 messages in 7d · last 2026-10-26 14:49 · David Airlie et al.
• arm/freescale imx / mxc / layerscape arm architecture
  54 messages in 7d · last 2026-10-26 18:30 · Frank Li et al.
• common clk framework
  53 messages in 7d · last 2026-10-27 00:24 · Stephen Boyd et al.
• arm64 port (aarch64 architecture)
  53 messages in 7d · last 2026-10-26 19:39 · Catalin Marinas et al.
• drm drivers and misc gpu patches
  51 messages in 7d · last 2026-10-26 14:49 · Maarten Lankhorst et al.
• dma generic offload engine subsystem
  42 messages in 7d · last 2026-10-23 23:38 · Vinod Koul
• kernel virtual machine for arm64 (kvm/arm64)
  41 messages in 7d · last 2026-10-26 19:39 · Marc Zyngier et al.
• networking drivers
  40 messages in 7d · last 2026-10-26 16:56 · Andrew Lunn et al.
• usb subsystem Supported
  20 messages in 7d · last 2026-10-27 02:40 · Greg Kroah-Hartman
• stmmac ethernet driver
  19 messages in 7d · last 2026-10-26 16:56 · Maxime Chevallier
• tty layer and serial drivers Supported
  18 messages in 7d · last 2026-10-24 20:52 · Greg Kroah-Hartman et al.
• arm/amlogic meson soc clock framework
  17 messages in 7d · last 2026-10-26 13:29 · Neil Armstrong et al.
• arm port Odd Fixes
  17 messages in 7d · last 2026-10-26 09:21 · Russell King
• hardware tracing facilities
  17 messages in 7d · last 2026-10-26 05:48 · Alexander Shishkin
• drm drivers for bridge chips
  17 messages in 7d · last 2026-10-25 14:26 · Andrzej Hajda et al.
• arm/qualcomm support
  15 messages in 7d · last 2026-10-24 00:36 · Bjorn Andersson et al.
• samsung thermal driver
  14 messages in 7d · last 2026-10-26 16:01 · Bartlomiej Zolnierkiewicz et al.
• thermal Supported
  14 messages in 7d · last 2026-10-26 16:01 · Rafael J. Wysocki et al.
• arm/allwinner sunxi soc support
  13 messages in 7d · last 2026-10-26 23:34 · Chen-Yu Tsai et al.
• irqchip drivers
  13 messages in 7d · last 2026-10-26 21:45 · Thomas Gleixner
• drm drivers for freescale imx8 display controller
  13 messages in 7d · last 2026-10-26 10:05 · Liu Ying
• iommu subsystem
  12 messages in 7d · last 2026-10-26 13:37 · Joerg Roedel et al.
• media input infrastructure (v4l/dvb)
  12 messages in 7d · last 2026-10-26 12:49 · Mauro Carvalho Chehab
• scsi subsystem
  12 messages in 7d · last 2026-10-24 12:26 · "James E.J. Bottomley" et al.
• arm/qualcomm mailing list
  12 messages in 7d · last 2026-10-22 09:42
• generic phy framework Supported
  11 messages in 7d · last 2026-10-26 19:18 · Vinod Koul
• samsung exynos acpm thermal driver Supported
  11 messages in 7d · last 2026-10-26 16:01 · Tudor Ambarus
• remote processor (remoteproc) subsystem
  11 messages in 7d · last 2026-10-26 10:09 · Bjorn Andersson et al.
• kernel selftest framework
  11 messages in 7d · last 2026-10-26 03:10 · Shuah Khan et al.
• mediatek mt76 wireless lan driver
  10 messages in 7d · last 2026-10-26 19:10 · Felix Fietkau et al.
• pin control subsystem
  10 messages in 7d · last 2026-10-26 16:58 · Linus Walleij
• sound - soc layer / dynamic audio power management (asoc) Supported
  10 messages in 7d · last 2026-10-25 19:24 · Liam Girdwood et al.
• arm/amlogic meson soc support
  10 messages in 7d · last 2026-10-25 19:22 · Neil Armstrong et al.
• drm compute accelerators drivers and framework
  10 messages in 7d · last 2026-10-23 06:40 · Oded Gabbay
• arm/aspeed machine support Supported
  9 messages in 7d · last 2026-10-27 03:49 · Joel Stanley et al.
• documentation
  9 messages in 7d · last 2026-10-26 21:12 · Jonathan Corbet
• arm/samsung s3c, s5p and exynos arm architectures
  9 messages in 7d · last 2026-10-26 20:41 · Krzysztof Kozlowski et al.
• arm/airoha soc support Odd Fixes
  9 messages in 7d · last 2026-10-26 09:57 · Matthias Brugger et al.
• multifunction devices (mfd)
  9 messages in 7d · last 2026-10-25 05:03 · Lee Jones
• drm driver for qualcomm display hardware
  9 messages in 7d · last 2026-10-24 00:36 · Rob Clark et al.
• risc-v architecture Supported
  9 messages in 7d · last 2026-10-23 06:35 · Paul Walmsley et al.
• pwm subsystem
  8 messages in 7d · last 2026-10-27 02:29 · Uwe Kleine-König
• kernel virtual machine (kvm) Supported
  8 messages in 7d · last 2026-10-26 03:10 · Paolo Bonzini
• arm/risc-v/renesas architecture Supported
  7 messages in 7d · last 2026-10-26 14:56 · Geert Uytterhoeven et al.
• sound
  7 messages in 7d · last 2026-10-25 19:24 · Jaroslav Kysela et al.
• intel drm display for xe and i915 drivers Supported
  7 messages in 7d · last 2026-10-24 00:36 · Jani Nikula et al.
• intel drm i915 driver (meteor lake, dg2 and older excluding poulsbo, moorestown and derivative) Supported
  7 messages in 7d · last 2026-10-24 00:36 · Jani Nikula et al.
• generic pm domains Supported
  6 messages in 7d · last 2026-10-26 21:45 · Ulf Hansson
• libata subsystem (serial and parallel ata drivers)
  6 messages in 7d · last 2026-10-26 19:18 · Damien Le Moal et al.
• designware usb3 drd ip driver
  6 messages in 7d · last 2026-10-26 13:57 · Thinh Nguyen
• iio subsystem and drivers
  6 messages in 7d · last 2026-10-25 05:18 · Jonathan Cameron
• synopsys designware 8250 uart driver Supported
  6 messages in 7d · last 2026-10-24 20:52 · Ilpo Järvinen
• intel lpss (low power subsystem) drivers Supported
  6 messages in 7d · last 2026-10-24 20:52
• usb typec class
  6 messages in 7d · last 2026-10-24 00:36 · Heikki Krogerus
• i2c subsystem host drivers
  6 messages in 7d · last 2026-10-23 14:20 · Andi Shyti
• multimedia card (mmc), secure digital (sd) and sdio subsystem
  5 messages in 7d · last 2026-10-27 03:54 · Ulf Hansson
• gpio subsystem
  5 messages in 7d · last 2026-10-26 16:30 · Linus Walleij et al.
• mediatek ethernet driver
  5 messages in 7d · last 2026-10-26 09:58 · Felix Fietkau et al.
• arm/amlogic meson soc sound drivers
  5 messages in 7d · last 2026-10-25 19:24 · Jerome Brunet
• drm drivers for ti omap
  5 messages in 7d · last 2026-10-24 00:36 · Tomi Valkeinen
• arm/riscpc architecture
  5 messages in 7d · last 2026-10-23 06:50 · Russell King
• memory management
  5 messages in 7d · last 2026-10-23 01:50 · Andrew Morton
• generic entry code
  5 messages in 7d · last 2026-10-22 05:18 · Thomas Gleixner et al.
• arm pmu profiling and debugging
  4 messages in 7d · last 2026-10-27 03:22 · Will Deacon et al.
• reset controller framework
  4 messages in 7d · last 2026-10-26 21:45 · Philipp Zabel
• universal flash storage host controller driver Supported
  4 messages in 7d · last 2026-10-24 12:26
• pci subsystem Supported
  4 messages in 7d · last 2026-10-24 01:02 · Bjorn Helgaas
• x86 architecture (32-bit and 64-bit)
  4 messages in 7d · last 2026-10-23 01:50 · Thomas Gleixner et al.
• mediatek dma driver
  4 messages in 7d · last 2026-10-22 21:18 · Sean Wang
• mediatek mt7621/28/88 i2c driver
  4 messages in 7d · last 2026-10-22 19:39 · Stefan Roese
• bpf [general] (safe dynamic programs and tools) Supported
  4 messages in 7d · last 2026-10-21 17:11 · Alexei Starovoitov et al.
• live update
  4 messages in 7d · last 2026-10-21 15:26 · Pasha Tatashin et al.
• arm/rockchip soc support
  3 messages in 7d · last 2026-10-27 00:24 · Heiko Stuebner
• bluetooth drivers Supported
  3 messages in 7d · last 2026-10-26 19:02 · Marcel Holtmann et al.
• clocksource, clockevent drivers Supported
  3 messages in 7d · last 2026-10-26 08:44 · Daniel Lezcano et al.
• airoha ethernet driver
  3 messages in 7d · last 2026-10-26 07:48 · Lorenzo Bianconi
• universal flash storage host controller driver amd versal2
  3 messages in 7d · last 2026-10-24 12:25 · Sai Krishna Potthuri et al.
• pci native host bridge and endpoint drivers Supported
  3 messages in 7d · last 2026-10-24 01:02 · Lorenzo Pieralisi et al.
• huawei matebook e go embedded controller driver
  3 messages in 7d · last 2026-10-24 00:36 · Pengyu Luo
• usb typec bus for alternate modes
  3 messages in 7d · last 2026-10-24 00:36 · Heikki Krogerus
• lontium lt8912b mipi to hdmi bridge
  3 messages in 7d · last 2026-10-24 00:36 · Francesco Dolcini
• drm drivers for amlogic socs Supported
  3 messages in 7d · last 2026-10-24 00:36 · Neil Armstrong
• xilinx ams driver
  3 messages in 7d · last 2026-10-23 18:57 · Sai Krishna Potthuri et al.
• ethernet phy library
  3 messages in 7d · last 2026-10-23 07:53 · Andrew Lunn et al.
• secure monitor call(smc) calling convention (smccc)
  3 messages in 7d · last 2026-10-23 06:49 · Mark Rutland et al.
• drm drivers for rockchip
  3 messages in 7d · last 2026-10-22 07:19 · Sandy Huang et al.
• can network drivers
  3 messages in 7d · last 2026-10-21 21:01 · Marc Kleine-Budde et al.
• bpf [core]
  3 messages in 7d · last 2026-10-21 17:11 · Alexei Starovoitov et al.
• kexec handover (kho)
  3 messages in 7d · last 2026-10-21 15:26 · Mike Rapoport et al.
• usb gadget/peripheral subsystem Supported
  2 messages in 7d · last 2026-10-27 02:40 · Neill Kapron
• google tensor soc support
  2 messages in 7d · last 2026-10-26 21:45 · Peter Griffin
• arm/apple machine support
  2 messages in 7d · last 2026-10-26 16:30 · Sven Peter et al.
• broadcom brcmstb gpio driver Supported
  2 messages in 7d · last 2026-10-26 16:30 · Doug Berger et al.
• synopsys creg gpio driver
  2 messages in 7d · last 2026-10-26 16:30 · Eugeniy Paltsev
• arm/intel ixp4xx arm architecture
  2 messages in 7d · last 2026-10-26 16:30 · Linus Walleij et al.
• arm/nomadik/ux500 architectures
  2 messages in 7d · last 2026-10-26 16:30 · Linus Walleij
• pxa gpio driver
  2 messages in 7d · last 2026-10-26 16:30 · Robert Jarzmik
• renesas clock drivers Supported
  2 messages in 7d · last 2026-10-26 14:56 · Geert Uytterhoeven
• arm/stm32 architecture
  2 messages in 7d · last 2026-10-26 12:52 · Maxime Coquelin et al.