Peng Fan 3d53646d78 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>

2020-10-29 10:08:30 +01:00

..

hvc

tty: hvc: fix link error with CONFIG_SERIAL_CORE_CONSOLE=n

2020-10-29 10:07:45 +01:00

ipwireless

tty: ipwireless: fix error handling

2020-10-29 10:08:27 +01:00

serdev

serdev: Fix detection of UART devices on Apple machines.

2020-03-06 14:10:44 +01:00

serial

tty: serial: fsl_lpuart: fix lpuart32_poll_get_char

2020-10-29 10:08:30 +01:00

vt

tty/vt: Do not warn when huge selection requested

2020-10-14 11:56:00 +02:00

amiserial.c

Remove every trace of SERIAL_MAGIC

2019-11-13 19:01:14 +08:00

cyclades.c

remove ioremap_nocache and devm_ioremap_nocache

2020-01-06 09:45:59 +01:00

ehv_bytechan.c

tty: evh_bytechan: Fix out of bounds accesses

2020-03-17 23:40:31 +11:00

goldfish.c

…

isicom.c

tty/isicom: remove redundant assignment to variable word_count

2019-09-04 12:43:44 +02:00

Kconfig

treewide: replace '---help---' in Kconfig files with 'help'

2020-06-14 01:57:21 +09:00

Makefile

…

mips_ejtag_fdc.c

tty: mips_ejtag_fdc: Mark expected switch fall-through

2020-03-07 09:52:02 +01:00

moxa.c

remove ioremap_nocache and devm_ioremap_nocache

2020-01-06 09:45:59 +01:00

moxa.h

…

mxser.c

tty: mxser: make mxser_change_speed() return void

2020-05-15 14:47:05 +02:00

mxser.h

…

n_gsm.c

tty: n_gsm: Fix bogus i++ in gsm_data_kick

2020-05-19 16:19:54 +02:00

n_hdlc.c

n_hdlc_tty_read(): remove pointless access_ok()

2020-05-29 11:03:03 -04:00

n_null.c

…

n_r3964.c

…

n_tracerouter.c

…

n_tracesink.c

…

n_tracesink.h

tty: n_tracesink: Use the correct style for SPDX License Identifier

2020-03-18 13:01:31 +01:00

n_tty.c

n_tty: Distribute switch variables for initialization

2020-02-23 20:14:50 +01:00

nozomi.c

tty: nozomi: Use scnprintf() for avoiding potential buffer overflow

2020-03-18 12:59:29 +01:00

pty.c

pty: do tty_flip_buffer_push without port->lock in pty_write

2020-10-29 10:07:34 +01:00

rocket_int.h

…

rocket.c

Merge 5.7-rc3 into tty-next

2020-04-27 09:33:21 +02:00

rocket.h

…

synclink_gt.c

Merge tag 'tty-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

2020-01-29 10:13:27 -08:00

synclink.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

2020-01-28 16:02:33 -08:00

synclinkmp.c

Merge tag 'tty-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

2020-01-29 10:13:27 -08:00

sysrq.c

kernel: rename show_stack_loglvl() => show_stack()

2020-06-09 09:39:13 -07:00

tty_audit.c

…

tty_baudrate.c

tty: baudrate: SPARC supports few more baud rates

2020-01-22 10:23:26 +01:00

tty_buffer.c

…

tty_io.c

tty: fix compat TIOCGSERIAL checking wrong function ptr

2020-03-18 13:15:13 +01:00

tty_ioctl.c

…

tty_jobctrl.c

…

tty_ldisc.c

tty_ldisc: simplify tty_ldisc_autoload initialization

2019-10-04 15:11:25 +02:00

tty_ldsem.c

locking/lockdep: Remove unused @nested argument from lock_release()

2019-10-09 12:46:10 +02:00

tty_mutex.c

…

tty_port.c

serdev: ttyport: restore client ops on deregistration

2020-02-10 12:26:44 -08:00

ttynull.c

…

vcc.c

sparc64: vcc: Fix error return code in vcc_probe()

2020-04-28 14:38:54 +02:00