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29788ab1d2
linux/drivers/tty
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Peng Fan 29788ab1d2 tty: serial: fsl_lpuart: fix lpuart32_poll_get_char 
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>
2020-09-30 14:29:36 +02:00
..
hvc tty: hvc: fix link error with CONFIG_SERIAL_CORE_CONSOLE=n 2020-09-27 14:17:43 +02:00
ipwireless tty: ipwireless: fix error handling 2020-09-04 18:08:16 +02:00
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 2020-09-30 14:29:36 +02:00
vt vt_ioctl: make VT_RESIZEX behave like VT_RESIZE 2020-09-27 14:17:43 +02:00
amiserial.c Remove every trace of SERIAL_MAGIC 2019-11-13 19:01:14 +08:00
cyclades.c treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
ehv_bytechan.c tty: evh_bytechan: Fix out of bounds accesses 2020-03-17 23:40:31 +11:00
goldfish.c
isicom.c treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile tty: Add NULL TTY driver 2019-04-16 15:21:34 +02:00
mips_ejtag_fdc.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
moxa.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
moxa.h tty: fix spelling mistake 2020-06-27 16:21:20 +02:00
mxser.c tty: mxser: make mxser_change_speed() return void 2020-05-15 14:47:05 +02:00
mxser.h
n_gsm.c Linux 5.9-rc3 2020-08-31 07:19:25 +02:00
n_hdlc.c Linux 5.9-rc3 2020-08-31 07:19:25 +02:00
n_null.c
n_r3964.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
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 tty: ldiscs, fix kernel-doc 2020-08-18 13:51:18 +02:00
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 2020-09-04 18:10:30 +02:00
rocket_int.h
rocket.c Merge 5.7-rc3 into tty-next 2020-04-27 09:33:21 +02:00
rocket.h tty: rocket: Remove RCPK_GET_STRUCT ioctl 2019-04-25 11:58:56 +02:00
synclink_gt.c tty: synclink_gt: switch from 'pci_' to 'dma_' API 2020-09-04 18:07:22 +02:00
synclink.c tty: synclink, fix kernel-doc 2020-08-18 13:51:18 +02:00
synclinkmp.c tty: synclink, fix kernel-doc 2020-08-18 13:51:18 +02:00
sysrq.c tty/sysrq: emergency_thaw_all does not depend on CONFIG_BLOCK 2020-06-24 09:16:02 -06:00
tty_audit.c audit: join tty records to their syscall 2019-02-07 21:33:54 -05:00
tty_baudrate.c tty: fix kernel-doc 2020-08-18 13:51:18 +02:00
tty_buffer.c tty: fix kernel-doc 2020-08-18 13:51:18 +02:00
tty_io.c tty: fix kernel-doc 2020-08-18 13:51:18 +02:00
tty_ioctl.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
tty_jobctrl.c tty: fix kernel-doc 2020-08-18 13:51:18 +02:00
tty_ldisc.c tty: fix kernel-doc 2020-08-18 13:51:18 +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 tty: Add NULL TTY driver 2019-04-16 15:21:34 +02:00
vcc.c sparc64: vcc: Fix error return code in vcc_probe() 2020-04-28 14:38:54 +02:00