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f10aa9bc94de0aa334380b3903dd2f5ec1f48231
linux/drivers/tty/serial
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John Keeping 367a281315 serial: 8250_dma: terminate correct DMA in tx_dma_flush() 
commit a26503092c75abba70a0be2aa01145ecf90c2a22 upstream.

When flushing transmit side DMA, it is the transmit channel that should
be terminated, not the receive channel.

Fixes: 9e512eaaf8f40 ("serial: 8250: Fix fifo underflow on flush")
Cc: stable <stable@kernel.org>
Reported-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: John Keeping <jkeeping@inmusicbrands.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250224121831.1429323-1-jkeeping@inmusicbrands.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-04-07 10:06:37 +02:00
..
8250
serial: 8250_dma: terminate correct DMA in tx_dma_flush()
2025-04-07 10:06:37 +02:00
jsm
drivers: serial: jsm: fix some leaks in probe
2022-09-22 16:11:43 +02:00
21285.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
altera_jtaguart.c
serial: altera_jtaguart: switch status to u32
2023-07-31 17:16:05 +02:00
altera_uart.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
amba-pl010.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
amba-pl011.c
serial: amba-pl011: fix build regression
2024-12-14 20:00:23 +01:00
apbuart.c
serial: apbuart: fix console prompt on qemu
2024-01-25 15:35:55 -08:00
apbuart.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ar933x_uart.c
serial: ar933x: Use devm_platform_get_and_ioremap_resource()
2023-07-25 20:25:52 +02:00
arc_uart.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
atmel_serial.c
tty: atmel_serial: use the correct RTS flag.
2024-08-29 17:33:10 +02:00
atmel_serial.h
tty: serial: atmel: Use FIELD_PREP/FIELD_GET
2022-09-22 16:32:25 +02:00
bcm63xx_uart.c
serial: bcm63xx-uart: fix tx after conversion to uart_port_tx_limited()
2024-07-05 09:34:00 +02:00
clps711x.c
serial: clps711x: Use devm_platform_get_and_ioremap_resource()
2023-07-25 20:25:52 +02:00
cpm_uart.c
serial: cpm_uart: Remove cpm_uart/ subdirectory
2023-08-04 15:08:30 +02:00
cpm_uart.h
serial: cpm_uart: Remove cpm_uart/ subdirectory
2023-08-04 15:08:30 +02:00
digicolor-usart.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
dz.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
dz.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
earlycon-riscv-sbi.c
serial: make uart_console_write->putchar()'s character an unsigned char
2022-03-03 15:06:31 +01:00
earlycon-semihost.c
serial: Rename earlycon semihost driver
2023-01-19 14:58:19 +01:00
earlycon.c
earlycon: Let users set the clock frequency
2023-01-19 14:56:44 +01:00
fsl_linflexuart.c
serial: linflexuart: Use devm_platform_get_and_ioremap_resource()
2023-07-25 20:25:52 +02:00
fsl_lpuart.c
tty: serial: fsl_lpuart: disable transmitter before changing RS485 related registers
2025-04-07 10:06:37 +02:00
icom.c
serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
imx_earlycon.c
serial: make uart_console_write->putchar()'s character an unsigned char
2022-03-03 15:06:31 +01:00
imx.c
serial: imx: Update mctrl old_status on RTSD interrupt
2024-10-22 15:46:33 +02:00
ip22zilog.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
ip22zilog.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
Merge tag 'tty-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2023-07-03 13:14:58 -07:00
kgdb_nmi.c
tty: make tty_operations::write()'s count size_t
2023-08-11 21:12:46 +02:00
kgdboc.c
serial: kgdboc: Fix NMI-safety problems from keyboard reset code
2024-05-25 16:22:54 +02:00
lantiq.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
liteuart.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
lpc32xx_hs.c
tty: serial: use uart_port_tx() helper
2022-11-03 03:32:40 +01:00
ma35d1_serial.c
tty: serial: ma35d1: Add a NULL check for of_node
2024-07-18 13:21:21 +02:00
Makefile
serial: cpm_uart: Remove cpm_uart/ subdirectory
2023-08-04 15:08:30 +02:00
max310x.c
serial: max310x: fix NULL pointer dereference in I2C instantiation
2024-04-03 15:28:16 +02:00
max3100.c
serial: max3100: Fix bitwise types
2024-06-12 11:12:17 +02:00
mcf.c
tty: mcf: MCF54418 has 10 UARTS
2024-07-05 09:34:00 +02:00
men_z135_uart.c
serial: men_z135_uart: Use uart_xmit_advance()
2022-11-03 03:35:41 +01:00
meson_uart.c
tty: serial: meson: fix hard LOCKUP on crtscts mode
2023-11-28 17:19:57 +00:00
milbeaut_usio.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
mpc52xx_uart.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
mps2-uart.c
serial: mps2-uart: Use devm_platform_get_and_ioremap_resource()
2023-07-25 20:26:06 +02:00
msm_serial.c
serial: msm: add lock annotation to msm_set_baud_rate()
2023-01-19 15:53:09 +01:00
mux.c
tty: serial: use uart_port_tx_limited()
2022-11-03 03:32:40 +01:00
mvebu-uart.c
serial: mvebu-uart: Use devm_platform_get_and_ioremap_resource()
2023-07-25 20:26:07 +02:00
mxs-auart.c
serial: mxs-auart: add spinlock around changing cts state
2024-04-27 17:11:39 +02:00
omap-serial.c
serial: omap: do not override settings for RS485 support
2024-01-25 15:35:44 -08:00
owl-uart.c
tty: serial: use uart_port_tx() helper
2022-11-03 03:32:40 +01:00
pch_uart.c
tty: pcn_uart: fix memory leak with using debugfs_lookup()
2023-02-08 13:09:55 +01:00
pic32_uart.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
pmac_zilog.c
serial/pmac_zilog: Remove flawed mitigation for rx irq flood
2024-04-27 17:11:39 +02:00
pmac_zilog.h
serial: pmac_zilog: remove unused uart_pmac_port::termios_cache
2022-05-19 18:23:19 +02:00
pxa.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
qcom_geni_serial.c
serial: qcom-geni: fix receiver enable
2024-10-22 15:46:35 +02:00
rda-uart.c
serial: rda: Use uart_xmit_advance()
2022-11-03 03:35:42 +01:00
rp2.c
tty: rp2: Fix reset with non forgiving PCIe host bridges
2024-10-04 16:29:51 +02:00
sa1100.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
samsung_tty.c
tty: serial: samsung: fix tx_empty() to return TIOCSER_TEMT
2024-03-26 18:20:05 -04:00
sb1250-duart.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
sc16is7xx.c
serial: sc16is7xx: use device_property APIs when configuring irda mode
2025-02-08 09:51:50 +01:00
sccnxp.c
serial: sccnxp: Use devm_platform_get_and_ioremap_resource()
2023-07-25 20:26:07 +02:00
serial_base_bus.c
serial: core: Fix serial core port id, including multiport devices
2023-08-11 21:19:22 +02:00
serial_base.h
serial: core: Fix missing shutdown and startup for serial base port
2024-04-27 17:11:39 +02:00
serial_core.c
serial: protect uart_port_dtr_rts() in uart_shutdown() too
2024-10-17 15:24:19 +02:00
serial_ctrl.c
serial: core: Start managing serial controllers to enable runtime PM
2023-05-31 10:46:59 +01:00
serial_mctrl_gpio.c
Documentation: serial: move GPIO kernel-doc to the functions
2022-07-28 10:37:42 +02:00
serial_mctrl_gpio.h
serial: mctrl_gpio: add a new API to enable / disable wake_irq
2022-02-08 11:07:16 +01:00
serial_port.c
serial: port: Always update ->iotype in __uart_read_properties()
2025-02-21 13:57:18 +01:00
serial_txx9.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
serial-tegra.c
serial: tegra: handle clk prepare error in tegra_uart_hw_init()
2023-08-22 15:29:18 +02:00
sh-sci.c
serial: sh-sci: Do not probe the serial port if its slot in sci_ports[] is in use
2025-02-17 09:40:24 +01:00
sh-sci.h
tty: serial: sh-sci: Add support for tx end interrupt handling
2023-04-20 13:47:33 +02:00
sifive.c
serial: sifive: Add suspend and resume operations
2023-08-22 15:29:10 +02:00
sprd_serial.c
serial: sprd: Fix DMA buffer leak issue
2023-07-30 13:53:55 +02:00
st-asc.c
drivers:tty: fix return value check in asc_init_port
2023-07-30 13:53:19 +02:00
stm32-usart.c
serial: stm32: Reset .throttled state in .startup()
2024-04-27 17:11:39 +02:00
stm32-usart.h
serial: stm32: group dma pause/resume error handling into single function
2023-08-22 15:28:51 +02:00
suncore.c
tty: Use of_node_name_{eq,prefix} for node name comparisons
2018-12-17 16:12:17 +01:00
sunhv.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
sunplus-uart.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
sunsab.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
sunsab.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sunsu.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
sunzilog.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
sunzilog.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tegra-tcu.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
timbuart.c
serial: timbuart: Use uart_xmit_advance()
2022-11-03 03:35:43 +01:00
timbuart.h
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
uartlite.c
tty: Explicitly include correct DT includes
2023-07-25 20:19:05 +02:00
ucc_uart.c
serial: cpm_uart: Don't include fs_uart_pd.h when not needed
2023-08-04 15:08:55 +02:00
vt8500_serial.c
serial: vt8500: Use devm_platform_get_and_ioremap_resource()
2023-07-25 20:26:06 +02:00
xilinx_uartps.c
tty: xilinx_uartps: split sysrq handling
2025-02-17 09:40:43 +01:00
zs.c
serial: drivers: switch ch and flag to u8
2023-07-25 19:21:04 +02:00
zs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00