linux-xiaomi-chiron/drivers/tty/serial
Pali Rohár 74e1eb3b4a serial: mvebu-uart: fix driver's tx_empty callback
Driver's tx_empty callback should signal when the transmit shift register
is empty. So when the last character has been sent.

STAT_TX_FIFO_EMP bit signals only that HW transmit FIFO is empty, which
happens when the last byte is loaded into transmit shift register.

STAT_TX_EMP bit signals when the both HW transmit FIFO and transmit shift
register are empty.

So replace STAT_TX_FIFO_EMP check by STAT_TX_EMP in mvebu_uart_tx_empty()
callback function.

Fixes: 30530791a7 ("serial: mvebu-uart: initial support for Armada-3700 serial port")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20210911132017.25505-1-pali@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-09-14 10:07:10 +02:00
..
8250 serial: 8250: 8250_omap: Fix RX_LVL register offset 2021-09-14 10:06:37 +02:00
cpm_uart
jsm
21285.c
altera_jtaguart.c
altera_uart.c
amba-pl010.c
amba-pl011.c Revert "arm pl011 serial: support multi-irq request" 2021-08-16 18:52:08 +02:00
amba-pl011.h
apbuart.c
apbuart.h
ar933x_uart.c
arc_uart.c
atmel_serial.c
atmel_serial.h
bcm63xx_uart.c
clps711x.c
digicolor-usart.c
dz.c
dz.h
earlycon-arm-semihost.c
earlycon-riscv-sbi.c
earlycon.c
fsl_linflexuart.c tty: serial: linflexuart: Remove redundant check to simplify the code 2021-08-26 14:51:04 +02:00
fsl_lpuart.c tty: serial: fsl_lpuart: do software reset for imx7ulp and imx8qxp 2021-08-26 14:49:20 +02:00
icom.c
icom.h
imx.c
imx_earlycon.c
ip22zilog.c
ip22zilog.h
Kconfig
kgdb_nmi.c
kgdboc.c
lantiq.c
liteuart.c
lpc32xx_hs.c
Makefile
max310x.c Merge 5.14-rc5 into tty-next 2021-08-09 08:52:46 +02:00
max3100.c
mcf.c
men_z135_uart.c
meson_uart.c
milbeaut_usio.c
mpc52xx_uart.c
mps2-uart.c
msm_serial.c
mux.c parisc: Make struct parisc_driver::remove() return void 2021-08-30 10:18:25 +02:00
mvebu-uart.c serial: mvebu-uart: fix driver's tx_empty callback 2021-09-14 10:07:10 +02:00
mxs-auart.c
omap-serial.c
owl-uart.c
pch_uart.c
pic32_uart.c
pic32_uart.h
pmac_zilog.c
pmac_zilog.h
pxa.c
qcom_geni_serial.c
rda-uart.c
rp2.c
sa1100.c
samsung_tty.c tty: serial: samsung: Add Exynos850 SoC data 2021-08-13 09:15:25 +02:00
sb1250-duart.c
sc16is7xx.c
sccnxp.c
serial-tegra.c serial: tegra: Use of_device_get_match_data 2021-08-26 14:51:10 +02:00
serial_core.c
serial_mctrl_gpio.c
serial_mctrl_gpio.h
serial_txx9.c
sh-sci.c serial: sh-sci: fix break handling for sysrq 2021-08-16 18:53:40 +02:00
sh-sci.h
sifive.c
sprd_serial.c
st-asc.c
stm32-usart.c serial: stm32: use devm_platform_get_and_ioremap_resource() 2021-08-16 18:53:15 +02:00
stm32-usart.h
suncore.c
sunhv.c
sunsab.c
sunsab.h
sunsu.c
sunzilog.c
sunzilog.h
tegra-tcu.c
timbuart.c
timbuart.h
uartlite.c tty: serial: uartlite: Use read_poll_timeout for a polling loop 2021-08-27 16:34:32 +02:00
ucc_uart.c
vr41xx_siu.c
vt8500_serial.c serial: vt8500: Use of_device_get_match_data 2021-08-26 14:51:10 +02:00
xilinx_uartps.c
zs.c
zs.h