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Message-ID: <aTTOTbUu7dkL07S3@kroah.com>
Date: Sun, 7 Dec 2025 09:46:05 +0900
From: Greg KH <gregkh@...uxfoundation.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Jiri Slaby <jslaby@...e.cz>, Stephen Rothwell <sfr@...b.auug.org.au>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: [GIT PULL] TTY/Serial driver updates for 6.19-rc1
The following changes since commit dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa:
Linux 6.18-rc3 (2025-10-26 15:59:49 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tags/tty-6.19-rc1
for you to fetch changes up to 75a9f4c54770f062f4b3813a83667452b326dda3:
serial: sh-sci: Fix deadlock during RSCI FIFO overrun error (2025-11-26 13:15:28 +0100)
----------------------------------------------------------------
TTY/Serial changes for 6.19-rc1
Here is the big set of tty/serial driver changes for 6.19-rc1. Nothing
major at all, just small constant churn to make the tty layer "cleaner"
as well as serial driver updates and even a new test added! Included in
here are:
- More tty/serial cleanups from Jiri
- tty tiocsti test added to hopefully ensure we don't regress in this
area again
- sc16is7xx driver updates
- imx serial driver updates
- 8250 driver updates
- new hardware device ids added
- other minor serial/tty driver cleanups and tweaks
All of these have been in linux-next for a while with no reported issues
other than a merge-conflict that you will have when you merge into your
tree (should be simple to resolve, just delete the code on both sides
of the merge).
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
----------------------------------------------------------------
Abhinav Saxena (1):
selftests/tty: add TIOCSTI test suite
Andy Shevchenko (1):
serial: mux: Fix kernel doc for mux_poll()
Biju Das (2):
dt-bindings: serial: rsci: Drop "uart-has-rtscts: false"
serial: sh-sci: Fix deadlock during RSCI FIFO overrun error
Binbin Zhou (3):
dt-bindings: serial: 8250: Add Loongson uart compatible
serial: 8250: Add Loongson uart driver support
LoongArch: dts: Add uart new compatible string
David Laight (1):
drivers/tty/vt: use umin() instead of min_t(u16, ...) for row/col limits
Florian Eckert (1):
serial: 8250_pcilib: Replace deprecated PCI functions
Gerhard Engleder (2):
serial: Keep rs485 settings for devices without firmware node
serial: 8250: add driver for KEBA UART
Gopi Krishna Menon (1):
selftests: tty: add tty_tiocsti_test to .gitignore
Greg Kroah-Hartman (1):
Merge 6.18-rc3 into tty-next
Haotian Zhang (1):
serial: icom: Convert PCIBIOS_* return codes to errnos
Heiko Stuebner (1):
dt-bindings: serial: snps-dw-apb-uart: Add support for rk3506
Hugo Villeneuve (14):
serial: sc16is7xx: rename LCR macros to better reflect usage
serial: sc16is7xx: rename EFR mutex with generic name
serial: sc16is7xx: define common register access function
serial: sc16is7xx: remove unnecessary pointer cast
serial: sc16is7xx: use guards for simple mutex locks
serial: sc16is7xx: drop -ENOMEM error message
serial: sc16is7xx: declare SPR/TLR/XOFF2 register as volatile
serial: sc16is7xx: move port/channel init to separate function
serial: sc16is7xx: simplify to_sc16is7xx_one() with a single parameter
serial: sc16is7xx: Kconfig: allow building with COMPILE_TEST
serial: sc16is7xx: use KBUILD_MODNAME
serial: sc16is7xx: change conditional operator indentation
serial: sc16is7xx: reformat comments to improve readability
serial: sc16is7xx: add comments for lock requirements
Ivaylo Ivanov (1):
dt-bindings: serial: samsung: add samsung,exynos8890-uart compatible
Jiri Slaby (SUSE) (16):
tty: pty: use guard()s
tty: n_tty: use guard()s
tty: n_hdlc: simplify return from n_hdlc_tty_ioctl()
tty: n_hdlc: use guard()s
tty: moxa: use guard()s
tty: vt/keyboard: use __free()
tty: vt/keyboard: simplify returns from vt_do_kbkeycode_ioctl()
tty: vt/keyboard: use guard()s
serial: serial_core: simplify uart_ioctl() returns
serial: serial_core: use guard()s
tty: vt: do not open code DIV_ROUND_UP()
serial: xilinx_uartps: drop cdns_uart::cdns_uart_driver
serial: drop SERIAL_8250_DEPRECATED_OPTIONS
serial: 8250: move skip_txen_test to core
serial: 8250: make share_irqs local to 8250_platform
serial: 8250_platform: simplify IRQF_SHARED handling
Kriish Sharma (1):
tty: document @dlci parameter in gsm_modem_send_initial_msc
Lad Prabhakar (2):
serial: sh-sci: Sort include files alphabetically
serial: sh-sci: Merge sh-sci.h into sh-sci.c
Magne Bruno (1):
serial: add support of CPCI cards
Marco Crivellari (1):
tty: replace use of system_unbound_wq with system_dfl_wq
Praveen Talari (2):
serial: qcom-geni: Enable PM runtime for serial driver
serial: qcom-geni: Enable Serial on SA8255p Qualcomm platforms
Ravi Patel (1):
dt-bindings: serial: samsung: Add compatible for ARTPEC-9 SoC
Sam Protsenko (1):
tty: serial: samsung: Declare earlycon for Exynos850
Sherry Sun (3):
tty: serial: fsl_lpuart: Add missing wakeup event reporting
tty: serial: imx: Only configure the wake register when device is set as wakeup source
tty: serial: imx: Add missing wakeup event reporting
Sven Eckelmann (1):
serial: ar933x: Add polling support
Wenhua Lin (1):
serial: sprd: Return -EPROBE_DEFER when uart clock is not ready
jempty.liang (1):
serial: 8250-of: Fix style issues in 8250_of.c
Documentation/devicetree/bindings/serial/8250.yaml | 14 +
.../devicetree/bindings/serial/renesas,rsci.yaml | 2 -
.../devicetree/bindings/serial/samsung_uart.yaml | 2 +
.../bindings/serial/snps-dw-apb-uart.yaml | 1 +
arch/arm/configs/aspeed_g4_defconfig | 1 -
arch/arm/configs/aspeed_g5_defconfig | 1 -
arch/arm/configs/hisi_defconfig | 1 -
arch/arm/configs/lpc18xx_defconfig | 1 -
arch/arm/configs/shmobile_defconfig | 1 -
arch/loongarch/boot/dts/loongson-2k0500.dtsi | 2 +-
arch/loongarch/boot/dts/loongson-2k1000.dtsi | 2 +-
arch/loongarch/boot/dts/loongson-2k2000.dtsi | 2 +-
arch/mips/configs/bcm47xx_defconfig | 1 -
arch/mips/configs/bmips_stb_defconfig | 1 -
arch/mips/configs/gcw0_defconfig | 1 -
arch/nios2/configs/10m50_defconfig | 1 -
arch/parisc/configs/generic-32bit_defconfig | 1 -
arch/parisc/configs/generic-64bit_defconfig | 1 -
arch/powerpc/configs/44x/akebono_defconfig | 1 -
arch/powerpc/configs/microwatt_defconfig | 1 -
arch/riscv/configs/nommu_virt_defconfig | 1 -
arch/xtensa/configs/audio_kc705_defconfig | 1 -
arch/xtensa/configs/generic_kc705_defconfig | 1 -
arch/xtensa/configs/nommu_kc705_defconfig | 1 -
arch/xtensa/configs/smp_lx200_defconfig | 1 -
arch/xtensa/configs/xip_kc705_defconfig | 1 -
drivers/tty/moxa.c | 165 +++---
drivers/tty/n_gsm.c | 2 +-
drivers/tty/n_hdlc.c | 79 +--
drivers/tty/n_tty.c | 107 ++--
drivers/tty/pty.c | 103 ++--
drivers/tty/serial/8250/8250.h | 9 -
drivers/tty/serial/8250/8250_core.c | 4 +
drivers/tty/serial/8250/8250_dw.c | 4 +-
drivers/tty/serial/8250/8250_exar.c | 4 +-
drivers/tty/serial/8250/8250_keba.c | 280 +++++++++
drivers/tty/serial/8250/8250_loongson.c | 238 ++++++++
drivers/tty/serial/8250/8250_of.c | 2 +-
drivers/tty/serial/8250/8250_pci.c | 47 +-
drivers/tty/serial/8250/8250_pci1xxxx.c | 10 +-
drivers/tty/serial/8250/8250_pcilib.c | 7 +-
drivers/tty/serial/8250/8250_pcilib.h | 2 +-
drivers/tty/serial/8250/8250_platform.c | 55 +-
drivers/tty/serial/8250/8250_rsa.c | 24 -
drivers/tty/serial/8250/Kconfig | 40 +-
drivers/tty/serial/8250/Makefile | 2 +
drivers/tty/serial/Kconfig | 2 +-
drivers/tty/serial/ar933x_uart.c | 62 ++
drivers/tty/serial/fsl_lpuart.c | 8 +
drivers/tty/serial/icom.c | 1 +
drivers/tty/serial/imx.c | 24 +-
drivers/tty/serial/mux.c | 2 +-
drivers/tty/serial/qcom_geni_serial.c | 178 +++++-
drivers/tty/serial/samsung_tty.c | 2 +
drivers/tty/serial/sc16is7xx.c | 413 ++++++-------
drivers/tty/serial/sc16is7xx.h | 1 -
drivers/tty/serial/sc16is7xx_i2c.c | 4 +-
drivers/tty/serial/sc16is7xx_spi.c | 4 +-
drivers/tty/serial/serial_core.c | 178 +++---
drivers/tty/serial/sh-sci.c | 196 ++++++-
drivers/tty/serial/sh-sci.h | 178 ------
drivers/tty/serial/sprd_serial.c | 6 +
drivers/tty/serial/xilinx_uartps.c | 15 +-
drivers/tty/tty_buffer.c | 8 +-
drivers/tty/vt/keyboard.c | 318 ++++------
drivers/tty/vt/selection.c | 9 +-
drivers/tty/vt/vt.c | 4 +-
tools/testing/selftests/tty/.gitignore | 1 +
tools/testing/selftests/tty/Makefile | 6 +-
tools/testing/selftests/tty/config | 1 +
tools/testing/selftests/tty/tty_tiocsti_test.c | 650 +++++++++++++++++++++
71 files changed, 2338 insertions(+), 1161 deletions(-)
create mode 100644 drivers/tty/serial/8250/8250_keba.c
create mode 100644 drivers/tty/serial/8250/8250_loongson.c
delete mode 100644 drivers/tty/serial/sh-sci.h
create mode 100644 tools/testing/selftests/tty/config
create mode 100644 tools/testing/selftests/tty/tty_tiocsti_test.c
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