linux-stable/drivers/tty
Lino Sanfilippo d4c7e4b1b0 serial: amba-pl011: Fix DMA transmission in RS485 mode
commit 3b69e32e15 upstream.

When DMA is used in RS485 mode make sure that the UARTs tx section is
enabled before the DMA buffers are queued for transmission.

Cc: stable@vger.kernel.org
Fixes: 8d47923772 ("serial: amba-pl011: add RS485 support")
Signed-off-by: Lino Sanfilippo <l.sanfilippo@kunbus.com>
Link: https://lore.kernel.org/r/20240216224709.9928-2-l.sanfilippo@kunbus.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-03-01 13:26:33 +01:00
..
hvc hvc/xen: fix event channel handling for secondary consoles 2023-11-28 17:07:08 +00:00
ipwireless
serdev
serial serial: amba-pl011: Fix DMA transmission in RS485 mode 2024-03-01 13:26:33 +01:00
vt
amiserial.c
ehv_bytechan.c
goldfish.c
Kconfig
Makefile
mips_ejtag_fdc.c
moxa.c
mxser.c
n_gsm.c tty: n_gsm: fix race condition in status line change on dead connections 2023-11-08 14:11:03 +01:00
n_hdlc.c
n_null.c
n_tty.c
nozomi.c
pty.c
rpmsg_tty.c
synclink_gt.c
sysrq.c tty/sysrq: replace smp_processor_id() with get_cpu() 2023-11-28 17:07:08 +00:00
tty.h tty: change tty_write_lock()'s ndelay parameter to bool 2024-01-25 15:27:47 -08:00
tty_audit.c
tty_baudrate.c
tty_buffer.c
tty_io.c usb: cdc-acm: return correct error code on unsupported break 2024-01-25 15:27:47 -08:00
tty_ioctl.c tty: allow TIOCSLCKTRMIOS with CAP_CHECKPOINT_RESTORE 2024-02-05 20:12:58 +00:00
tty_jobctrl.c tty: tty_jobctrl: fix pid memleak in disassociate_ctty() 2023-11-20 11:52:09 +01:00
tty_ldisc.c
tty_ldsem.c
tty_mutex.c
tty_port.c
ttynull.c
vcc.c tty: vcc: Add check for kstrdup() in vcc_probe() 2023-11-28 17:07:01 +00:00