tty layer and serial drivers · Supported

Maintainers

• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• M Jiri Slaby <jirislaby@kernel.org>

Paths

• F Documentation/devicetree/bindings/serial/
• F Documentation/driver-api/serial/
• F drivers/tty/
• F include/linux/selection.h
• F include/linux/serial.h
• F include/linux/serial_core.h
• F include/linux/sysrq.h
• F include/linux/tty*.h
• F include/linux/vt.h
• F include/linux/vt_*.h
• F include/uapi/linux/serial.h
• F include/uapi/linux/serial_core.h
• F include/uapi/linux/tty.h

Last 30 days

Most active threads (last 7 days)

• HOTtoday [PATCH v2 0/5] Add Laguna/Tensor G5 SoC and Frankel, Blazer & Mustang boards
  2026-07-22 09:56 · 1 reply in 7d · Peter Griffin <peter.griffin@linaro.org>
• WARM1d [PATCH 0/5] serial: Remove redundant error messages on IRQ request failure
  2026-07-22 03:46 · 1 reply in 7d · Pan Chuang <hidden>
• WARM3d [PATCH v2 0/4] serial: fix console lifetime bugs on failed bind and removal
  2026-07-19 22:10 · 2 replies in 7d · Karl Mehltretter <hidden>
• WARM3d [PATCH 0/4] serial: fix console lifetime bugs on failed bind and removal
  2026-07-19 16:08 · 2 replies in 7d · Karl Mehltretter <hidden>
• WARM2d [PATCH v3 0/8] arm64: Add Axiado AX3005 SoC and EVK support
  2026-07-17 03:52 · 1 reply in 7d · Swark Yang <syang@axiado.com>

Active reviewers (last 30 days)

• Krzysztof Kozlowski <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-07-22
• Sashiko <sashiko-bot@kernel.org>
  1 attestation (1 Reported-by) · last on 2026-07-19
• Krzysztof Kozlowski <hidden>
  1 attestation (1 Acked-by) · last on 2026-07-01
• Yury Norov <yury.norov@gmail.com>
  1 attestation (1 Suggested-by) · last on 2026-06-25
• Masami Hiramatsu (Google) <mhiramat@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-06-25

Recent patches

Most-recent 30 patches in this subsystem on linux-arm-kernel (capped at 30), ordered by date desc.

• HOTtoday REVIEWED: 1 (0M) [PATCH v2 2/5] dt-bindings: serial: snps-dw-apb-uart: Add "google,lga-uart"
  2026-07-22 · Peter Griffin <peter.griffin@linaro.org>
• WARM1d [PATCH 2/5] serial: imx: Remove redundant dev_err()
  2026-07-22 · Pan Chuang <hidden>
• WARM3d [PATCH v2 4/4] serial: imx: serialize imx_uart_ports[] lifetime
  2026-07-19 · Karl Mehltretter <hidden>
• WARM3d [PATCH v2 1/4] serial: core: do fallible allocations before the console can be registered
  2026-07-19 · Karl Mehltretter <hidden>
• WARM3d [PATCH 4/4] serial: imx: clear imx_uart_ports[] entry on probe failure and removal
  2026-07-19 · Karl Mehltretter <hidden>
• WARM3d [PATCH 1/4] serial: core: do fallible allocations before the console can be registered
  2026-07-19 · Karl Mehltretter <hidden>
• WARM2d [PATCH v3 5/8] dt-bindings: serial: cdns: add Axiado AX3005 UART variant
  2026-07-17 · Swark Yang <syang@axiado.com>
• WARM2d [PATCH v2] dt-bindings: serial: snps-dw-apb-uart: Add RV1106 compatible
  2026-07-14 · Simon Glass <sjg@chromium.org>
• COOLING9d [PATCH 6/6] serial: qcom-geni: check return value of pm_runtime_resume_and_get()
  2026-07-09 · Praveen Talari <hidden>
• COOLING9d [PATCH 5/6] tty: serial: propagate uart_configure_port failure to uart_add_one_port
  2026-07-09 · Praveen Talari <hidden>
• COOLING9d [PATCH 3/6] tty: serial: update .pm callbacks to return int
  2026-07-09 · Praveen Talari <hidden>
• COOLING9d [PATCH 2/6] serial: 8250: update .pm callbacks to return int
  2026-07-09 · Praveen Talari <hidden>
• COOLING9d [PATCH 1/6] tty: serial: change uart_ops.pm callback to return int
  2026-07-09 · Praveen Talari <hidden>
• COOLING9d [PATCH v4 4/7] serial: 8250_aspeed_vuart: add VUART over PCI
  2026-07-08 · Grégoire Layet <hidden>
• COOLING9d [PATCH v4 3/7] serial: 8250_aspeed_vuart: add aspeed,ast2600-vuart compatible string
  2026-07-08 · Grégoire Layet <hidden>
• COOLING9d [PATCH v4 2/7] dt-bindings: serial: 8250: aspeed: add aspeed,vuart-over-pci bool prop
  2026-07-08 · Grégoire Layet <hidden>
• COOLING9d [PATCH v4 1/7] dt-bindings: serial: 8250: aspeed: add compatible string for ast2600
  2026-07-08 · Grégoire Layet <hidden>
• COLD15d [PATCH 2/2] serial: 8250_mtk: honor DT serial aliases
  2026-07-08 · Carlo Caione <hidden>
• COOLING11d [PATCH 06/12] dt-bindings: serial: snps-dw-apb-uart: Add RV1106 compatible
  2026-07-06 · Simon Glass <sjg@chromium.org>
• COLD15d REVIEWED: 1 (0M) [PATCH v2 1/4] dt-bindings: serial: mediatek,uart: Add compatible for MT8189 SoC
  2026-07-01 · Louis-Alexis Eyraud <hidden>
• DORMANTno replies [PATCH v1] serial: ma35d1: Fix OF node reference leaks in console init
  2026-06-30 · Yuho Choi <hidden>
• COLD21d REVIEWED: 9 (9M) [PATCH v4 1/2] tracing: Move non-trace_printk prototypes into trace_controls.h
  2026-06-25 · Steven Rostedt <rostedt@kernel.org>
• COLD28d REVIEWED: 1 (0M) [PATCH v3 4/7] serial: 8250_aspeed_vuart: add VUART over PCI
  2026-06-23 · Grégoire Layet <hidden>
• COLD28d [PATCH v3 3/7] serial: 8250_aspeed_vuart: add aspeed,ast2600-vuart compatible string
  2026-06-23 · Grégoire Layet <hidden>
• COLD28d [PATCH v3 1/7] dt-bindings: serial: 8250: aspeed: add compatible string for ast2600
  2026-06-23 · Grégoire Layet <hidden>
• COLD28d [PATCH v3 2/7] dt-bindings: serial: 8250: aspeed: add aspeed,vuart-over-pci bool prop
  2026-06-23 · Grégoire Layet <hidden>
• COOLING13d [PATCHv3 6/6] serial: mxs-auart: terminate DMA before releasing channels in exit
  2026-06-11 · Rosen Penev <hidden>
• COOLING13d [PATCHv3 5/6] serial: mxs-auart: clamp RX DMA count to buffer size
  2026-06-11 · Rosen Penev <hidden>
• COOLING13d [PATCHv3 4/6] serial: mxs-auart: fix IRQ registration ordering and manage console clock
  2026-06-11 · Rosen Penev <hidden>
• COOLING13d [PATCHv3 3/6] serial: mxs-auart: use devm resources for iomem and GPIO IRQs
  2026-06-11 · Rosen Penev <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE142d REVIEWED: 2 (1M) [PATCH v2 2/3] dt-bindings: serial: amlogic,meson-uart: Add compatible string for A9
  2026-02-28 · Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com@kernel.org> · 1 Reviewed-by, 1 Acked-by
• DORMANTno replies REVIEWED: 2 (1M) [PATCH] dt-bindings: serial: amlogic,meson-uart: Add compatible string for A9
  2026-03-03 · Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com@kernel.org> · 1 Reviewed-by, 1 Acked-by
• STALE87d REVIEWED: 31 (31M) [PATCH v6 4/6] amba/serial: amba-pl011: Bring back zx29 UART support
  2026-04-26 · Stefan Dösinger <stefandoesinger@gmail.com> · 1 Reviewed-by
• STALE73d REVIEWED: 31 (31M) [PATCH v7 4/6] amba/serial: amba-pl011: Bring back zx29 UART support
  2026-04-29 · Stefan Dösinger <stefandoesinger@gmail.com> · 1 Reviewed-by
• STALE78d REVIEWED: 31 (31M) [PATCH v8 4/6] amba/serial: amba-pl011: Bring back zx29 UART support
  2026-05-06 · Stefan Dösinger <stefandoesinger@gmail.com> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 31 (31M) [PATCH 2/2] amba/serial: amba-pl011: Bring back zx29 UART support
  2026-05-13 · Stefan Dösinger <stefandoesinger@gmail.com> · 1 Reviewed-by
• COLD15d REVIEWED: 1 (0M) [PATCH v2 1/4] dt-bindings: serial: mediatek,uart: Add compatible for MT8189 SoC
  2026-07-01 · Louis-Alexis Eyraud <hidden> · 1 Acked-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE153d [PATCH 17/19] drivers: tty: ehv_bytechan: Migrate to register_console_force helper
  2025-12-27 · Marcos Paulo de Souza <hidden>
• STALE176d [PATCH 5/6] ARM: zte: Bring back ZX29 UART support.
  2026-01-27 · Stefan Dösinger <stefandoesinger@gmail.com>
• DORMANTno replies [PATCH] tty: serial: samsung_tty: avoid dev_dbg deadlock
  2026-01-28 · Alyssa Milburn <hidden>
• STALE171d [RFC PATCH v2 6/7] ARM: zte: Bring back ZX29 UART support.
  2026-01-28 · Stefan Dösinger <stefandoesinger@gmail.com>
• DORMANTno replies [PATCH] tty: serial: imx: keep dma request disabled before dma transfer setup
  2026-03-12 · Sherry Sun <hidden>
• DORMANTno replies [PATCH v1 1/1] serial: xilinx_uartps: Drop unused include
  2026-03-20 · Andy Shevchenko <andriy.shevchenko@linux.intel.com>
• STALE94d [PATCH v4 6/8] ARM: zte: Bring back zx29 UART support
  2026-04-16 · Stefan Dösinger <stefandoesinger@gmail.com>
• STALE94d [PATCH tty v3 2/6] serial: Replace driver usage of UPF_CONS_FLOW
  2026-04-17 · John Ogness <john.ogness@linutronix.de>
• DORMANTno replies [PATCH v2] serial: mxs-auart: replace hardcoded 1 with predefined macro GPIO_LINE_DIRECTION_IN
  2026-04-26 · Nikola Z. Ivanov <hidden>
• STALE63d [PATCH AUTOSEL 7.0-6.12] tty: serial: samsung_tty: avoid dev_dbg deadlock
  2026-04-28 · Sasha Levin <sashal@kernel.org>