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c6bb057418
linux/drivers/tty/serial
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Ronald Wahl c6bb057418 serial: 8250: 8250_omap: Do not start RX DMA on THRI interrupt 
Starting RX DMA on THRI interrupt is too early because TX may not have
finished yet.

This change is inspired by commit 90b8596ac4 ("serial: 8250: Prevent
starting up DMA Rx on THRI interrupt") and fixes DMA issues I had with
an AM62 SoC that is using the 8250 OMAP variant.

Cc: stable@vger.kernel.org
Fixes: c26389f998 ("serial: 8250: 8250_omap: Add DMA support for UARTs on K3 SoCs")
Signed-off-by: Ronald Wahl <ronald.wahl@raritan.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20231101171431.16495-1-rwahl@gmx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-11-23 20:20:16 +00:00
..
8250 serial: 8250: 8250_omap: Do not start RX DMA on THRI interrupt 2023-11-23 20:20:16 +00:00
jsm serial: jsm: Use port lock wrappers 2023-09-18 11:18:11 +02:00
21285.c serial: 21285: Use port lock wrappers 2023-09-18 11:18:08 +02:00
altera_jtaguart.c serial: altera_jtaguart: Use port lock wrappers 2023-09-18 11:18:09 +02:00
altera_uart.c serial: altera_uart: Use port lock wrappers 2023-09-18 11:18:09 +02:00
amba-pl010.c serial: amba-pl010: Use port lock wrappers 2023-09-18 11:18:09 +02:00
amba-pl011.c serial: amba-pl011: Do not complain when DMA is absent 2023-10-03 14:59:04 +02:00
apbuart.c serial: apb: Use port lock wrappers 2023-09-18 11:18:10 +02:00
apbuart.h
ar933x_uart.c serial: ar933x: Use port lock wrappers 2023-09-18 11:18:10 +02:00
arc_uart.c serial: arc_uart: Use port lock wrappers 2023-09-18 11:18:10 +02:00
atmel_serial.c serial: atmel: Use port lock wrappers 2023-09-18 11:18:10 +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: Use port lock wrappers 2023-09-18 11:18:10 +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: Use port lock wrappers 2023-09-18 11:18:10 +02:00
cpm_uart.h serial: cpm_uart: Remove cpm_uart/ subdirectory 2023-08-04 15:08:30 +02:00
digicolor-usart.c serial: digicolor: Use port lock wrappers 2023-09-18 11:18:10 +02:00
dz.c serial: dz: Use port lock wrappers 2023-09-18 11:18:11 +02:00
dz.h
earlycon-riscv-sbi.c
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
esp32_acm.c drivers/tty/serial: add ESP32S3 ACM gadget driver 2023-10-16 20:18:15 +02:00
esp32_uart.c serial/esp32_uart: use prescaler when available 2023-10-21 18:26:14 +02:00
fsl_linflexuart.c serial: linflexuart: Use port lock wrappers 2023-09-18 11:18:11 +02:00
fsl_lpuart.c serial: fsl_lpuart: Use port lock wrappers 2023-09-18 11:18:11 +02:00
icom.c serial: icom: Use port lock wrappers 2023-09-18 11:18:11 +02:00
imx_earlycon.c
imx.c serial: imx: Put DMA enabled UART in separate lock subclass 2023-10-03 14:57:49 +02:00
ip22zilog.c serial: ip22zilog: Use port lock wrappers 2023-09-18 11:18:11 +02:00
ip22zilog.h
Kconfig drivers/tty/serial: add ESP32S3 ACM gadget driver 2023-10-16 20:18:15 +02:00
kgdb_nmi.c tty: make tty_operations::write()'s count size_t 2023-08-11 21:12:46 +02:00
kgdboc.c tty: serial: kgdboc: fix mutex locking order for configure_kgdboc() 2023-01-16 16:44:53 +01:00
lantiq.c tty: Explicitly include correct DT includes 2023-07-25 20:19:05 +02:00
liteuart.c serial: liteuart: Use port lock wrappers 2023-09-18 11:18:11 +02:00
lpc32xx_hs.c serial: lpc32xx_hs: Use port lock wrappers 2023-09-18 11:18:11 +02:00
ma35d1_serial.c serial: ma35d1: Use port lock wrappers 2023-09-18 11:18:12 +02:00
Makefile drivers/tty/serial: add ESP32S3 ACM gadget driver 2023-10-16 20:18:15 +02:00
max310x.c serial: max310x: remove trailing whitespaces 2023-10-16 20:13:10 +02:00
max3100.c serial: drivers: switch ch and flag to u8 2023-07-25 19:21:04 +02:00
mcf.c serial: mcf: Use port lock wrappers 2023-09-18 11:18:12 +02:00
men_z135_uart.c serial: men_z135_uart: Use port lock wrappers 2023-09-18 11:18:12 +02:00
meson_uart.c tty: serial: meson: fix hard LOCKUP on crtscts mode 2023-10-17 10:17:01 +02:00
milbeaut_usio.c serial: milbeaut_usio: Use port lock wrappers 2023-09-18 11:18:12 +02:00
mpc52xx_uart.c serial: mpc52xx: Use port lock wrappers 2023-09-18 11:18:12 +02:00
mps2-uart.c serial: mps2-uart: Use port lock wrappers 2023-09-18 11:18:12 +02:00
msm_serial.c serial: msm: Use port lock wrappers 2023-09-18 11:18:12 +02:00
mux.c tty: serial: use uart_port_tx_limited() 2022-11-03 03:32:40 +01:00
mvebu-uart.c serial: mvebu-uart: Use port lock wrappers 2023-09-18 11:18:12 +02:00
mxs-auart.c tty: Explicitly include correct DT includes 2023-07-25 20:19:05 +02:00
omap-serial.c serial: omap: Use port lock wrappers 2023-09-18 11:18:13 +02:00
owl-uart.c serial: owl: Use port lock wrappers 2023-09-18 11:18:13 +02:00
pch_uart.c serial: pch: Use port lock wrappers 2023-09-18 11:18:13 +02:00
pic32_uart.c serial: pic32: Use port lock wrappers 2023-09-18 11:18:13 +02:00
pmac_zilog.c serial: pmac_zilog: Use port lock wrappers 2023-09-18 11:18:13 +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: pxa: Use port lock wrappers 2023-09-18 11:18:13 +02:00
qcom_geni_serial.c serial: qcom-geni: Use port lock wrappers 2023-09-18 11:18:13 +02:00
rda-uart.c serial: rda: Use port lock wrappers 2023-09-18 11:18:13 +02:00
rp2.c serial: rp2: Use port lock wrappers 2023-09-18 11:18:14 +02:00
sa1100.c serial: sa1100: Use port lock wrappers 2023-09-18 11:18:14 +02:00
samsung_tty.c tty: serial: samsung: drop earlycon support for unsupported platforms 2023-10-21 19:03:03 +02:00
sb1250-duart.c serial: sb1250-duart: Use port lock wrappers 2023-09-18 11:18:14 +02:00
sc16is7xx.c serial: sc16is7xx: use device_property APIs when configuring irda mode 2023-10-03 14:59:08 +02:00
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 serial core port id, including multiport devices 2023-08-11 21:19:22 +02:00
serial_core.c serial: core: Fix runtime PM handling for pending tx 2023-10-24 11:35:29 +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 serial: mctrl_gpio: Use port lock wrappers 2023-09-18 11:18:14 +02:00
serial_mctrl_gpio.h
serial_port.c serial: core: Use port lock wrappers 2023-09-18 11:18:14 +02:00
serial_txx9.c serial: txx9: Use port lock wrappers 2023-09-18 11:18:14 +02:00
serial-tegra.c serial: tegra: Use port lock wrappers 2023-09-18 11:18:14 +02:00
sh-sci.c serial: sh-sci: Use port lock wrappers 2023-09-18 11:18:15 +02:00
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: Use port lock wrappers 2023-09-18 11:18:15 +02:00
sprd_serial.c serial: sprd: Use port lock wrappers 2023-09-18 11:18:15 +02:00
st-asc.c serial: st-asc: Use port lock wrappers 2023-09-18 11:18:15 +02:00
stm32-usart.c serial: stm32: Use port lock wrappers 2023-09-18 11:18:15 +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
sunhv.c serial: sunhv: Use port lock wrappers 2023-09-18 11:18:15 +02:00
sunplus-uart.c serial: sunplus-uart: Use port lock wrappers 2023-09-18 11:18:15 +02:00
sunsab.c serial: sunsab: Use port lock wrappers 2023-09-18 11:18:15 +02:00
sunsab.h
sunsu.c serial: sunsu: Use port lock wrappers 2023-09-18 11:18:15 +02:00
sunzilog.c serial: sunzilog: Use port lock wrappers 2023-09-18 11:18:16 +02:00
sunzilog.h
tegra-tcu.c tty: Explicitly include correct DT includes 2023-07-25 20:19:05 +02:00
timbuart.c serial: timbuart: Use port lock wrappers 2023-09-18 11:18:16 +02:00
timbuart.h
uartlite.c serial: uartlite: Use port lock wrappers 2023-09-18 11:18:16 +02:00
ucc_uart.c serial: ucc_uart: Use port lock wrappers 2023-09-18 11:18:16 +02:00
vt8500_serial.c serial: vt8500: Use port lock wrappers 2023-09-18 11:18:16 +02:00
xilinx_uartps.c serial: xilinx_uartps: unset STOPBRK when setting STARTBRK 2023-10-16 20:14:42 +02:00
zs.c serial: drivers: switch ch and flag to u8 2023-07-25 19:21:04 +02:00
zs.h