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linux/drivers/tty
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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
..
hvc tty: hvcs: Don't NULL tty->driver_data until hvcs_cleanup() 2020-10-29 09:55:08 +01:00
ipwireless tty: ipwireless: fix error handling 2020-10-30 10:38:31 +01:00
serdev serdev: ttyport: restore client ops on deregistration 2020-02-28 16:38:49 +01:00
serial tty: serial: fsl_lpuart: fix lpuart32_poll_get_char 2020-10-30 10:38:32 +01:00
vt vt_ioctl: change VT_RESIZEX ioctl to check for error return from vc_resize() 2020-09-03 11:24:27 +02:00
amiserial.c
cyclades.c
ehv_bytechan.c tty: evh_bytechan: Fix out of bounds accesses 2020-04-23 10:30:23 +02:00
goldfish.c
isicom.c
Kconfig
Makefile
mips_ejtag_fdc.c
moxa.c
moxa.h
mxser.c
mxser.h
n_gsm.c tty: n_gsm: Fix bogus i++ in gsm_data_kick 2020-06-25 15:32:57 +02:00
n_hdlc.c tty: Don't block on IO when ldisc change is pending 2019-12-13 08:52:28 +01:00
n_null.c
n_r3964.c tty: Don't block on IO when ldisc change is pending 2019-12-13 08:52:28 +01:00
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c tty: Don't block on IO when ldisc change is pending 2019-12-13 08:52:28 +01:00
nozomi.c
pty.c pty: do tty_flip_buffer_push without port->lock in pty_write 2020-10-29 09:55:08 +01:00
rocket_int.h
rocket.c tty: rocket, avoid OOB access 2020-04-29 16:31:30 +02:00
rocket.h
synclink_gt.c tty: synclink_gt: Adjust indentation in several functions 2020-02-24 08:34:47 +01:00
synclink.c
synclinkmp.c tty: synclinkmp: Adjust indentation in several functions 2020-02-24 08:34:47 +01:00
sysrq.c sysrq: Remove duplicated sysrq message 2020-03-05 16:42:15 +01:00
tty_audit.c
tty_baudrate.c
tty_buffer.c
tty_io.c
tty_ioctl.c
tty_jobctrl.c
tty_ldisc.c tty: Don't block on IO when ldisc change is pending 2019-12-13 08:52:28 +01:00
tty_ldsem.c
tty_mutex.c
tty_port.c serdev: ttyport: restore client ops on deregistration 2020-02-28 16:38:49 +01:00
vcc.c sparc64: vcc: Fix error return code in vcc_probe() 2020-10-01 13:14:43 +02:00