Ilpo Järvinen 197eb5c416 serial: 8250_dw: Use serial_lsr_in() in dw8250_handle_irq() ...

dw8250_handle_irq() reads LSR under a few conditions, convert both to
use serial_lsr_in() in order to preserve LSR flags properly across
reads.

Fixes: 424d79183a ("serial: 8250_dw: Avoid "too much work" from bogus rx timeout interrupt")
Fixes: aa63d786ce ("serial: 8250: dw: Add support for DMA flow controlling devices")
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Phil Edworthy <phil.edworthy@renesas.com>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220608095431.18376-6-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-06-10 13:45:09 +02:00

..

hvc

Merge tag 'for-linus-5.19-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

2022-06-04 13:42:53 -07:00

ipwireless

tty: drop put_tty_driver

2021-07-27 12:17:21 +02:00

serdev

tty: Replace acpi_bus_get_device()

2022-01-31 14:30:06 +01:00

serial

serial: 8250_dw: Use serial_lsr_in() in dw8250_handle_irq()

2022-06-10 13:45:09 +02:00

vt

tty: vt: convert sysfs snprintf to sysfs_emit

2022-06-10 13:43:44 +02:00

amiserial.c

tty: remove CMSPAR ifdefs

2022-05-19 18:26:16 +02:00

ehv_bytechan.c

tty: drop put_tty_driver

2021-07-27 12:17:21 +02:00

goldfish.c

Merge tag 'tty-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

2022-06-03 11:08:40 -07:00

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: fix typos in comments

2022-06-10 13:32:52 +02:00

moxa.c

tty: drivers/tty/, stop using tty_schedule_flip()

2021-11-25 18:35:23 +01:00

mxser.c

tty: remove BOTHER ifdefs

2022-05-19 18:26:17 +02:00

n_gsm.c

tty: n_gsm: Fix packet data hex dump output

2022-05-19 18:19:10 +02:00

n_hdlc.c

Merge 5.16-rc6 into tty-next

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

tty: Rework receive flow control char logic

2022-05-19 18:33:34 +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: Fix null-pointer-dereference in slgt_clean()

2022-04-14 18:26:30 +02:00

sysrq.c

Merge tag 'tty-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

2022-06-03 11:08:40 -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: remove IBSHIFT ifdefs

2022-05-19 18:26:17 +02:00

tty_buffer.c

tty: fix deadlock caused by calling printk() under tty_port->lock

2022-05-12 20:38:37 -07:00

tty_io.c

tty: fix typos in comments

2022-06-10 13:32:52 +02:00

tty_ioctl.c

tty: remove BOTHER ifdefs

2022-05-19 18:26:17 +02:00

tty_jobctrl.c

signal: Replace __group_send_sig_info with send_signal_locked

2022-05-11 14:33:17 -05:00

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: Drop duplicate NULL check in TTY port functions

2022-02-04 16:58:25 +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