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62f676ff78
linux/drivers/tty
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Jochen Mades 62f676ff78 serial: pl011: Fix incorrect rs485 RTS polarity on set_mctrl 
Commit 8d47923772 ("serial: amba-pl011: add RS485 support") sought to
keep RTS deasserted on set_mctrl if rs485 is enabled.  However it did so
only if deasserted RTS polarity is high.  Fix it in case it's low.

Fixes: 8d47923772 ("serial: amba-pl011: add RS485 support")
Cc: stable@vger.kernel.org # v5.15+
Cc: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: Jochen Mades <jochen@mades.net>
[lukas: copyedit commit message, add stable designation]
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Link: https://lore.kernel.org/r/85fa3323ba8c307943969b7343e23f34c3e652ba.1642909284.git.lukas@wunner.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-01-26 14:53:12 +01:00
..
hvc xen/console: harden hvc_xen against event channel storms 2021-12-16 08:24:08 +01:00
ipwireless tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00
serdev Revert "serdev: BREAK/FRAME/PARITY/OVERRUN notification prototype V2" 2021-12-31 13:42:30 +01:00
serial serial: pl011: Fix incorrect rs485 RTS polarity on set_mctrl 2022-01-26 14:53:12 +01:00
vt tty: Fix the keyboard led light display problem 2021-12-21 09:19:14 +01:00
amiserial.c tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00
ehv_bytechan.c tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00
goldfish.c tty: goldfish: Use platform_get_irq() to get the interrupt 2021-12-30 13:50:05 +01:00
Kconfig tty: add rpmsg driver 2021-10-21 12:35:35 +02:00
Makefile tty: add rpmsg driver 2021-10-21 12:35:35 +02:00
mips_ejtag_fdc.c tty: mips_ejtag_fdc: Make use of the helper function kthread_run_on_cpu() 2021-12-03 16:00:41 +01:00
moxa.c tty: drivers/tty/, stop using tty_schedule_flip() 2021-11-25 18:35:23 +01:00
mxser.c mxser: use PCI_DEVICE_DATA 2021-11-25 18:33:22 +01:00
n_gsm.c tty: n_gsm: fix SW flow control encoding/handling 2022-01-26 14:51:42 +01:00
n_hdlc.c Linux 5.16-rc6 2021-12-20 10:00:30 +01:00
n_null.c tty: make tty_ldisc_ops a param in tty_unregister_ldisc 2021-05-13 16:57:16 +02:00
n_tty.c bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
nozomi.c tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00
pty.c tty: pty: correct function name pty_resize() 2021-05-20 16:33:06 +02:00
rpmsg_tty.c tty: rpmsg: Fix race condition releasing tty port 2022-01-26 14:50:26 +01:00
synclink_gt.c tty: synclink_gt: rename a conflicting function name 2021-09-14 10:51:37 +02:00
sysrq.c TTY / Serial driver update for 5.16-rc1 2021-11-04 09:09:37 -07:00
tty_audit.c tty: audit: move some local functions out of tty.h 2021-04-15 10:24:58 +02:00
tty_baudrate.c tty: baudrate: Explicit usage of B0 for encoding input baudrate 2021-10-05 15:00:56 +02:00
tty_buffer.c tty: reformat kernel-doc in tty_buffer.c 2021-11-26 16:27:43 +01:00
tty_io.c tty: tty_io: Switch to vmalloc() fallback in case of TTY_NO_WRITE_SPLIT 2021-12-21 09:18:44 +01:00
tty_ioctl.c tty: remove file from n_tty_ioctl_helper 2021-09-22 16:59:13 +02:00
tty_jobctrl.c tty: tty_jobctrl: Fix 2 incorrectly documented functions 2021-05-20 17:06:15 +02:00
tty_ldisc.c tty: reformat kernel-doc in tty_ldisc.c 2021-11-26 16:27:43 +01:00
tty_ldsem.c tty/ldsem: Fix syntax errors in comments 2021-12-21 09:15:49 +01:00
tty_mutex.c tty: move some internal tty lock enums and functions out of tty.h 2021-04-15 10:26:58 +02:00
tty_port.c tty: add kernel-doc for more tty_port functions 2021-11-26 16:27:43 +01:00
tty.h tty: clean include/linux/tty.h up 2021-04-15 10:32:17 +02:00
ttynull.c tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00
vcc.c tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00