TTY/Serial driver updates for 7.3-rc1

The following changes since commit f5098b6bae761e346ebcd9da7f95622c04733cff:

Linux 7.2-rc5 (2026-07-26 14:45:48 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tags/tty-7.3-rc1

for you to fetch changes up to 8b0b29fdcb47907ae0296b8fe829e918e05e300f:

serial: imx: serialize imx_uart_ports[] lifetime (2026-08-03 16:54:10 +0200)

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TTY / Serial driver updates for 7.3-rc1

Here is the "big" set of tty and serial driver updates for 7.3-rc1. Not really all that much happened this development cycle for this subsystem, changes in here are:
- removal of the ipwireless driver as it's no longer used or needed
- new 8250_mxpcie driver added
- qcom serial driver updates and additions
- vt mode validation addition
- lots of other small serial driver updates and additions

All of these have been in linux-next for weeks with no reported issues.

----------------------------------------------------------------
Andy Shevchenko (1):
serdev: acpi: Free resource list at appropriate time

Aniket Randive (1):
serial: qcom_geni: Disable closing_wait for console to prevent shutdown timeout

Arnd Bergmann (1):
serial: 8250: handle ixp4xx register endianness correctly

Bartosz Golaszewski (1):
serial: 8250_exar: use platform_device_register_full()

Bjorn Andersson (2):
serial: qcom-geni: Convert console to nbcon
serial: qcom-geni: Keep FIFO RX active during console TX

Carlo Caione (2):
arm64: dts: mediatek: alias all enabled serial ports
serial: 8250_mtk: honor DT serial aliases

Crescent Hsieh (14):
serial: 8250: split Moxa PCIe serial board support out of 8250_pci
serial: 8250: add Moxa MUEx50 UART port type
serial: 8250_mxpcie: enable enhanced mode and program FIFO trigger levels
serial: 8250_mxpcie: enable automatic RTS/CTS flow control
serial: 8250_mxpcie: offload XON/XOFF flow control to MUEx50 hardware
serial: 8250_mxpcie: add custom handle_irq callback
serial: 8250_mxpcie: speed up RX using memory-mapped FIFO window
serial: 8250_mxpcie: speed up TX using memory-mapped FIFO window
serial: 8250_mxpcie: support serial interface mode switching
serial: 8250: allow low-level drivers to override break control
serial: 8250_mxpcie: add break support for RS485 using MUEx50 features
serial: 8250: allow UART drivers to override rx_trig_bytes handling
serial: 8250_mxpcie: introduce per-port private data structure
serial: 8250_mxpcie: implement rx_trig_bytes callbacks via MUEx50 RTL

David Laight (1):
drivers/tty/serial/kgdboc: Use strscpy() to copy strings into arrays

Douglas Anderson (1):
dt-bindings: serial: snps-dw-apb-uart: Add "google,lga-uart"

Fushuai Wang (2):
serial: 8250: Clear CON_PRINTBUFFER on port re-registration Revert "serial: 8250: Clear CON_PRINTBUFFER on port re-registration"

Greg Kroah-Hartman (3):
Merge 7.2-rc3 into tty-next
Revert "serial: qcom-geni: remove .pm callback, use runtime PM in startup/shutdown" Merge 7.2-rc5 into tty-next

Guangshuo Li (1):
serial: qcom-geni: do not advance stale DMA completions

Haoxiang Li (1):
tty: serial: pch_uart: add check for pci_get_slot()

Hugo Villeneuve (17):
serial: 8250_hub6: add hub6_match_port()
serial: core: add uart_iotype_mmio/io helper functions
serial: core: use uart_iotype_*() to simplify uart_match_port()
serial: uniformize serial port I/O infos display
serial: 8250: use uart_iotype_*() to simplify code
serial: 8250_rsa: use uart_iotype_*() to simplify code
serial: core: add new I/O type for SPI and I2C bus devices
serial: sc16is7xx: use new UPIO_BUS as iotype
serial: max310x: use new UPIO_BUS as iotype
serial: max3100: use new UPIO_BUS as iotype
serial: 8250_hub6: add missing include for hub6_match_port()
serial: 8250: fix compile error with hub6_match_port() when compiled as a module
serial: core: display 32 for MEM32 and MEM32BE UPIO types
serial: max310x: remove always included kconfig.h
serial: 8250: remove always included kconfig.h
serial: rsci: remove check for zero baud rate from uart_get_baud_rate()
serial: sh-sci: remove check for zero baud rate from uart_get_baud_rate()

Jiri Slaby (SUSE) (4):
goldfish: remove unused gf_write_dma_addr()
tty: goldfish: drop unused goldfish_tty::opencount
tty: goldfish: move gf_write_ptr() to tty/goldfish.c
tty: goldfish: use guard() for locks

John Ogness (2):
serial: 8250: Switch to nbcon console, take 2
Revert "serial: 8250: drop lockdep annotation from serial8250_clear_IER()"

John de la Garza (2):
tty: tty_jobctrl: use guard()s in tiocspgrp()
tty: tty_jobctrl: use guard() in tiocgsid()

Karl Mehltretter (8):
tty: hvc: restrict HVC_DCC to ARMv6+ and ARM64
serial: amba-pl011: unprepare console clock on unregister
serial: amba-pl011: keep console clock enabled for atomic writes
serial: core: do fallible allocations before the console can be registered
serial: core: clear freed pointers on uart_register_driver() failure
tty: skip cdev_del() when no cdev is registered
tty: clear cdev pointer after cdev_add() failure
serial: imx: serialize imx_uart_ports[] lifetime

Mike Rapoport (Microsoft) (4):
serial: pch: replace __get_free_page() with kmalloc()
tty: amiserial: replace get_zeroed_page() with kzalloc()
tty: serial: men_z135_uart: replace __get_free_page() with kmalloc()
vc_screen: replace __get_free_pages() with kmalloc()

Pan Chuang (5):
serial: 8250_bcm7271: Remove redundant dev_err_probe()
serial: imx: Remove redundant dev_err()
serial: mvebu-uart: Remove redundant dev_err()
serial: mctrl_gpio: Remove redundant dev_err()
serial: sprd: Remove redundant dev_err()

Pei Xiao (1):
serial: bcm63xx-uart: silence false positive coccinelle warning on clk_put

Praveen Talari (11):
serial: qcom-geni: trace: Drop redundant len field from geni_serial_data
serial: qcom-geni: Pre-map RX DMA buffer at probe to avoid sleep-in-atomic
serial: qcom-geni: add force suspend/resume to system sleep callbacks
serial: qcom-geni: remove .pm callback, use runtime PM in startup/shutdown
serial: qcom-geni: Add tracepoints for Qualcomm GENI serial driver
serial: qcom_geni: Add shutdown callback to quiesce hardware on reboot
serial: qcom_geni: Add panic notifier to stop UART on panic
serial: qcom-geni: remove .pm callback, use runtime PM in startup/shutdown
serial: qcom-geni: Use common GENI resource initialisation helpers
serial: qcom-geni: Use resources helper APIs in runtime PM functions
serial: qcom-geni: Use geni_se_set_perf_level() for baud rate perf level

Qingfang Deng (1):
tty: remove the ipwireless driver

Rahul Bukte (1):
serial: 8250: force synchronous probe for the ISA and PNP drivers

Rosen Penev (2):
tty: serial: mpc52xx_uart: add bounds check for psc_num array index
serial: cpm_uart: replace irq_of_parse_and_map with platform_get_irq

Simon Glass (1):
dt-bindings: serial: snps-dw-apb-uart: Add RV1106 compatible

Tapio Reijonen (3):

      serial: max310x: register GPIO controller before adding UART ports
      dt-bindings: serial: maxim,max310x: describe per-channel rs485 subnodes
      serial: max310x: honour rs485 properties from per-channel DT subnode

Uwe Kleine-König (The Capable Hub) (3):
serial: 8250_exar: Consistently define pci_device_ids using named initializers
tty: serial: rp2: Use named initializer for pci_device_id::driver_data
serial: 8250_pnp: Use named initializers for pnp_device_id array

Wang Zihan (1):
vt: add mode validation in vt_setactivate

Yu-Che Hsieh (1):
dt-bindings: serial: 8250: Add Aspeed AST2600 and AST2700 uart compatible

Yuho Choi (1):
serial: ma35d1: Fix OF node reference leaks in console init

 Documentation/devicetree/bindings/serial/8250.yaml |    8 +-
 .../devicetree/bindings/serial/maxim,max310x.yaml  |   92 +-
 .../bindings/serial/snps-dw-apb-uart.yaml          |    2 +
 MAINTAINERS                                        |    6 -
 .../boot/dts/mediatek/mt6795-sony-xperia-m5.dts    |    1 +
 arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts       |    1 +
 .../boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts  |    2 +
 arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts       |    2 +
 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi     |    1 +
 .../boot/dts/mediatek/mt8192-asurada-hayato-r1.dts |    4 +
 arch/arm64/boot/dts/mediatek/mt8195-demo.dts       |    1 +
 arch/arm64/boot/dts/mediatek/mt8365-evk.dts        |    2 +
 .../boot/dts/mediatek/mt8390-genio-common.dtsi     |    2 +
 .../boot/dts/mediatek/mt8390-grinn-genio-sbc.dtsi  |    2 +
 .../boot/dts/mediatek/mt8390-tungsten-smarc.dtsi   |    2 +
 .../boot/dts/mediatek/mt8395-genio-common.dtsi     |    1 +
 arch/powerpc/configs/ppc6xx_defconfig              |    1 -
 drivers/tty/Kconfig                                |    9 -
 drivers/tty/Makefile                               |    2 -
 drivers/tty/amiserial.c                            |   14 +-
 drivers/tty/goldfish.c                             |   23 +-
 drivers/tty/hvc/Kconfig                            |    2 +-
 drivers/tty/ipwireless/Makefile                    |    9 -
 drivers/tty/ipwireless/hardware.c                  | 1770 --------------------
 drivers/tty/ipwireless/hardware.h                  |   63 -
 drivers/tty/ipwireless/main.c                      |  356 ----
 drivers/tty/ipwireless/main.h                      |   66 -
 drivers/tty/ipwireless/network.c                   |  517 ------
 drivers/tty/ipwireless/network.h                   |   54 -
 drivers/tty/ipwireless/setup_protocol.h            |  109 --
 drivers/tty/ipwireless/tty.c                       |  627 -------
 drivers/tty/ipwireless/tty.h                       |   46 -
 drivers/tty/serdev/core.c                          |    4 +-
 drivers/tty/serial/8250/8250.h                     |   11 +-
 drivers/tty/serial/8250/8250_bcm7271.c             |    4 +-
 drivers/tty/serial/8250/8250_core.c                |   71 +-
 drivers/tty/serial/8250/8250_dw.c                  |    2 +-
 drivers/tty/serial/8250/8250_early.c               |   19 +-
 drivers/tty/serial/8250/8250_exar.c                |   53 +-
 drivers/tty/serial/8250/8250_hub6.c                |    8 +
 drivers/tty/serial/8250/8250_mtk.c                 |    7 +-
 drivers/tty/serial/8250/8250_mxpcie.c              |  627 +++++++
 drivers/tty/serial/8250/8250_of.c                  |   12 +
 drivers/tty/serial/8250/8250_pci.c                 |  245 +--
 drivers/tty/serial/8250/8250_platform.c            |    1 +
 drivers/tty/serial/8250/8250_pnp.c                 |  309 ++--
 drivers/tty/serial/8250/8250_port.c                |  321 +++-
 drivers/tty/serial/8250/8250_rsa.c                 |   40 +-
 drivers/tty/serial/8250/Kconfig                    |   10 +
 drivers/tty/serial/8250/Makefile                   |    1 +
 drivers/tty/serial/amba-pl011.c                    |   48 +-
 drivers/tty/serial/bcm63xx_uart.c                  |   11 +-
 drivers/tty/serial/cpm_uart.c                      |    9 +-
 drivers/tty/serial/earlycon.c                      |   17 +-
 drivers/tty/serial/imx.c                           |   39 +-
 drivers/tty/serial/kgdboc.c                        |    2 +-
 drivers/tty/serial/ma35d1_serial.c                 |   12 +-
 drivers/tty/serial/max3100.c                       |    1 +
 drivers/tty/serial/max310x.c                       |  101 +-
 drivers/tty/serial/men_z135_uart.c                 |    7 +-
 drivers/tty/serial/mpc52xx_uart.c                  |    8 +
 drivers/tty/serial/mvebu-uart.c                    |   12 +-
 drivers/tty/serial/pch_uart.c                      |   11 +-
 drivers/tty/serial/qcom_geni_serial.c              |  660 +++++---
 drivers/tty/serial/rp2.c                           |    2 +-
 drivers/tty/serial/rsci.c                          |    3 -
 drivers/tty/serial/sc16is7xx.c                     |    9 +-
 drivers/tty/serial/serial_core.c                   |  167 +-
 drivers/tty/serial/serial_mctrl_gpio.c             |    3 -
 drivers/tty/serial/sh-sci.c                        |    2 -
 drivers/tty/serial/sprd_serial.c                   |    5 +-
 drivers/tty/tty_io.c                               |    6 +-
 drivers/tty/tty_jobctrl.c                          |   41 +-
 drivers/tty/vt/vc_screen.c                         |    6 +-
 drivers/tty/vt/vt_ioctl.c                          |    2 +
 include/linux/goldfish.h                           |   24 -
 include/linux/serial_8250.h                        |   17 +-
 include/linux/serial_core.h                        |    9 +
 include/trace/events/qcom_geni_serial.h            |    7 +-
 include/uapi/linux/serial.h                        |    1 +
 include/uapi/linux/serial_core.h                   |    3 +
 81 files changed, 2061 insertions(+), 4726 deletions(-)
 delete mode 100644 drivers/tty/ipwireless/Makefile
 delete mode 100644 drivers/tty/ipwireless/hardware.c
 delete mode 100644 drivers/tty/ipwireless/hardware.h
 delete mode 100644 drivers/tty/ipwireless/main.c
 delete mode 100644 drivers/tty/ipwireless/main.h
 delete mode 100644 drivers/tty/ipwireless/network.c
 delete mode 100644 drivers/tty/ipwireless/network.h
 delete mode 100644 drivers/tty/ipwireless/setup_protocol.h
 delete mode 100644 drivers/tty/ipwireless/tty.c
 delete mode 100644 drivers/tty/ipwireless/tty.h
 create mode 100644 drivers/tty/serial/8250/8250_mxpcie.c