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linux/drivers/tty
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Sherry Sun 96fa260829 tty: serial: lpuart: only disable CTS instead of overwriting the whole UARTMODIR register 
[ Upstream commit e98ab45ec5 ]

No need to overwrite the whole UARTMODIR register before waiting the
transmit engine complete, actually our target here is only to disable
CTS flow control to avoid the dirty data in TX FIFO may block the
transmit engine complete.
Also delete the following duplicate CTS disable configuration.

Fixes: d5a2e08343 ("tty: serial: lpuart: disable flow control while waiting for the transmit engine to complete")
Cc: stable <stable@kernel.org>
Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Link: https://lore.kernel.org/r/20250307065446.1122482-1-sherry.sun@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-04-10 14:39:36 +02:00
..
hvc tty: hvc: convert comma to semicolon 2024-09-03 10:47:56 +02:00
ipwireless tty: ipwireless: remove unused ipw_dev::attribute_memory 2023-11-23 19:16:03 +00:00
serdev serdev: Use of_property_present() 2024-08-07 13:08:14 +02:00
serial tty: serial: lpuart: only disable CTS instead of overwriting the whole UARTMODIR register 2025-04-10 14:39:36 +02:00
vt tty: Permit some TIOCL_SETSEL modes without CAP_SYS_ADMIN 2025-02-17 10:04:57 +01:00
amiserial.c tty: add missing MODULE_DESCRIPTION() macros 2024-06-24 16:10:11 +02:00
ehv_bytechan.c tty: ehv_bytechan: convert to u8 and size_t 2023-12-08 12:02:37 +01:00
goldfish.c tty: add missing MODULE_DESCRIPTION() macros 2024-06-24 16:10:11 +02:00
Kconfig vt: remove superfluous CONFIG_HW_CONSOLE 2024-01-27 19:03:51 -08:00
Makefile tty: add rpmsg driver 2021-10-21 12:35:35 +02:00
mips_ejtag_fdc.c tty: mips_ejtag_fdc: fix one more u8 warning 2025-02-08 09:57:59 +01:00
moxa.c tty: moxa: convert to u8 and size_t 2023-12-08 12:02:38 +01:00
mxser.c mxser: convert comma to semicolon 2024-09-03 10:47:47 +02:00
n_gsm.c tty: n_gsm: Fix use-after-free in gsm_cleanup_mux 2024-10-11 08:28:17 +02:00
n_hdlc.c tty: add missing MODULE_DESCRIPTION() macros 2024-06-24 16:10:11 +02:00
n_null.c tty: ldops: unify to u8 2023-08-11 21:12:47 +02:00
n_tty.c tty: n_tty: use uint for space returned by tty_write_room() 2025-04-10 14:39:26 +02:00
nozomi.c tty: nozomi: convert to u8 and size_t 2023-12-08 12:02:38 +01:00
pty.c tty: make tty_operations::write()'s count size_t 2023-08-11 21:12:46 +02:00
rpmsg_tty.c tty: make tty_operations::write()'s count size_t 2023-08-11 21:12:46 +02:00
synclink_gt.c tty: add missing MODULE_DESCRIPTION() macros 2024-06-24 16:10:11 +02:00
sysrq.c Linux 6.11-rc1 2024-07-30 09:30:11 -10:00
tty.h tty: convert THROTTLE constants into enum 2023-10-03 14:31:16 +02:00
tty_audit.c tty: audit: unify to u8 2023-08-11 21:12:46 +02:00
tty_baudrate.c tty: Fix comment style in tty_termios_input_baud_rate() 2022-08-30 14:22:34 +02:00
tty_buffer.c tty: Don't include tty_buffer.h in tty.h 2024-02-18 18:59:59 +01:00
tty_io.c tty: ldsic: fix tty_ldisc_autoload sysctl's proc_handler 2024-12-05 14:02:46 +01:00
tty_ioctl.c tty: allow TIOCSLCKTRMIOS with CAP_CHECKPOINT_RESTORE 2023-12-15 14:20:03 +01:00
tty_jobctrl.c tty: tty_jobctrl: fix pid memleak in disassociate_ctty() 2023-09-18 11:14:43 +02:00
tty_ldisc.c tty: add the option to have a tty reject a new ldisc 2024-05-04 18:45:11 +02:00
tty_ldsem.c tty/ldsem: Fix syntax errors in comments 2021-12-21 09:15:49 +01:00
tty_mutex.c tty: remove TTY_MAGIC 2022-09-22 16:12:34 +02:00
tty_port.c tty: switch tty_port::xmit_* to u8 2023-12-08 12:02:37 +01:00
ttynull.c tty: add missing MODULE_DESCRIPTION() macros 2024-06-24 16:10:11 +02:00
vcc.c tty: vcc: Add check for kstrdup() in vcc_probe() 2023-09-18 11:14:42 +02:00