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twx-linux/drivers/tty/serial
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Peng Fan 5e193ce443 tty: serial: fsl_lpuart: fix lpuart32_poll_get_char 
commit 29788ab1d2 upstream.

The watermark is set to 1, so we need to input two chars to trigger RDRF
using the original logic. With the new logic, we could always get the
char when there is data in FIFO.

Suggested-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20200929095509.21680-1-peng.fan@nxp.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30 10:38:32 +01:00
..
8250
serial: 8250: 8250_omap: Terminate DMA before pushing data on RX timeout
2020-10-01 13:14:39 +02:00
cpm_uart
tty: serial: cpm_uart - fix init when SMC is relocated
2019-07-31 07:26:57 +02:00
jsm
…
21285.c
…
altera_jtaguart.c
…
altera_uart.c
…
amba-pl010.c
…
amba-pl011.c
serial: pl011: Don't leak amba_ports entry on driver register error
2020-09-03 11:24:27 +02:00
amba-pl011.h
…
apbuart.c
…
apbuart.h
…
ar933x_uart.c
serial: ar933x_uart: set UART_CS_{RX,TX}_READY_ORIDE
2020-03-11 14:14:48 +01:00
arc_uart.c
…
atmel_serial.c
tty/serial: atmel: manage shutdown in case of RS485 or ISO7816 mode
2020-02-28 16:38:48 +01:00
atmel_serial.h
…
bcm63xx_uart.c
…
clps711x.c
…
digicolor-usart.c
tty/serial: digicolor: Fix digicolor-usart already registered warning
2019-07-31 07:26:59 +02:00
dz.c
…
dz.h
…
earlycon-arm-semihost.c
…
earlycon.c
…
efm32-uart.c
…
fsl_lpuart.c
tty: serial: fsl_lpuart: fix lpuart32_poll_get_char
2020-10-30 10:38:32 +01:00
icom.c
…
icom.h
…
ifx6x60.c
serial: ifx6x60: add missed pm_runtime_disable
2019-12-13 08:51:01 +01:00
ifx6x60.h
…
imx.c
tty: serial: imx: setup the correct sg entry for tx dma
2020-02-28 16:38:49 +01:00
ioc3_serial.c
…
ioc4_serial.c
…
ip22zilog.c
…
ip22zilog.h
…
Kconfig
tty: serial: earlycon dependency
2020-10-29 09:55:08 +01:00
kgdb_nmi.c
…
kgdboc.c
Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
2019-04-03 06:26:26 +02:00
lantiq.c
…
lpc32xx_hs.c
…
Makefile
…
max310x.c
serial: max310x: Fix tx_empty() callback
2019-12-05 09:20:40 +01:00
max3100.c
…
mcf.c
…
men_z135_uart.c
…
meson_uart.c
…
mpc52xx_uart.c
…
mps2-uart.c
…
mpsc.c
…
msm_serial.c
tty: serial: msm_serial: Fix lockup for sysrq and oops
2020-01-09 10:19:06 +01:00
mux.c
…
mvebu-uart.c
tty:serial:mvebu-uart:fix a wrong return
2020-03-11 14:15:01 +01:00
mxs-auart.c
serial: mxs-auart: add missed iounmap() in probe failure and remove
2020-07-22 09:32:10 +02:00
netx-serial.c
…
omap-serial.c
…
owl-uart.c
tty: serial: owl: Fix the link time qualifier of 'owl_uart_exit()'
2019-11-06 13:05:49 +01:00
pch_uart.c
PCI: Move Rohm Vendor ID to generic list
2020-06-22 09:05:23 +02:00
pic32_uart.c
serial: set suppress_bind_attrs flag only if builtin
2019-01-26 09:32:34 +01:00
pic32_uart.h
…
pmac_zilog.c
…
pmac_zilog.h
…
pnx8xxx_uart.c
…
pxa.c
…
qcom_geni_serial.c
tty: serial: qcom_geni_serial: Drop __init from qcom_geni_console_setup
2020-09-09 19:04:23 +02:00
rp2.c
…
sa1100.c
…
samsung.c
tty: serial: samsung: Correct clock selection logic
2020-10-01 13:14:44 +02:00
samsung.h
…
sb1250-duart.c
…
sc16is7xx.c
sc16is7xx: Fix for "Unexpected interrupt: 8"
2019-11-06 13:05:15 +01:00
sccnxp.c
…
serial_core.c
tty: link tty and port before configuring it as console
2020-01-14 20:07:05 +01:00
serial_ks8695.c
…
serial_mctrl_gpio.c
serial: mctrl_gpio: Check for NULL pointer
2019-11-06 13:05:52 +01:00
serial_mctrl_gpio.h
…
serial_txx9.c
…
serial-tegra.c
…
sh-sci.c
serial: sh-sci: Make sure status register SCxSR is read in correct sequence
2020-04-29 16:31:34 +02:00
sh-sci.h
…
sirfsoc_uart.c
…
sirfsoc_uart.h
…
sn_console.c
…
sprd_serial.c
serial: sprd: correct the wrong sequence of arguments
2019-09-21 07:16:45 +02:00
st-asc.c
…
stm32-usart.c
serial: stm32: fix clearing interrupt error flags
2020-01-27 14:51:22 +01:00
stm32-usart.h
serial: stm32: fix rx data length when parity enabled
2020-01-27 14:50:50 +01:00
suncore.c
drivers/tty: add missing of_node_put()
2018-12-21 14:15:18 +01:00
sunhv.c
sunhv: Fix device naming inconsistency between sunhv_console and sunhv_reg
2019-06-22 08:15:14 +02:00
sunsab.c
…
sunsab.h
…
sunsu.c
serial/sunsu: fix refcount leak
2019-01-13 09:51:03 +01:00
sunzilog.c
…
sunzilog.h
…
timbuart.c
…
timbuart.h
…
uartlite.c
serial: uartlite: fix exit path null pointer
2019-10-17 13:45:00 -07:00
ucc_uart.c
…
vr41xx_siu.c
…
vt8500_serial.c
…
xilinx_uartps.c
serial: uartps: Wait for tx_empty in console setup
2020-10-01 13:14:42 +02:00
zs.c
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zs.h
…