Oliver Barta 32a88e9205 Revert "serial: 8250: Don't service RX FIFO if interrupts are disabled" ...

commit 3f2640ed7b upstream.

This reverts commit 2e9fe53910.

Reading LSR unconditionally but processing the error flags only if
UART_IIR_RDI bit was set before in IIR may lead to a loss of transmission
error information on UARTs where the transmission error flags are cleared
by a read of LSR. Information are lost in case an error is detected right
before the read of LSR while processing e.g. an UART_IIR_THRI interrupt.

Signed-off-by: Oliver Barta <o.barta89@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: 2e9fe53910 ("serial: 8250: Don't service RX FIFO if interrupts are disabled")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2019-07-14 08:09:49 +02:00

..

hvc

tty: Don't force RISCV SBI console as preferred console

2019-05-22 07:39:55 +02:00

ipwireless

tty: ipwireless: fix missing checks for ioremap

2019-05-31 06:43:47 -07:00

serdev

serdev: ttyport: call tiocmget and tiocmset ops directly

2019-01-30 11:48:08 +01:00

serial

Revert "serial: 8250: Don't service RX FIFO if interrupts are disabled"

2019-07-14 08:09:49 +02:00

vt

vt/fbcon: deinitialize resources in visual_init() after failed memory allocation

2019-06-09 09:16:15 +02:00

amiserial.c

kill TIOCSERGSTRUCT

2018-10-13 00:50:53 -04:00

cyclades.c

cyclades: switch to ->[sg]et_serial()

2018-10-13 00:50:30 -04:00

ehv_bytechan.c

tty: Convert to using %pOFn instead of device_node.name

2018-09-18 16:07:25 +02:00

goldfish.c

headers: separate linux/mod_devicetable.h from linux/platform_device.h

2018-07-07 17:52:26 +02:00

isicom.c

isicom: switch to ->[sg]et_serial()

2018-10-13 00:50:31 -04:00

Kconfig

tty: ldisc: add sysctl to prevent autoloading of ldiscs

2019-01-30 09:31:30 +01:00

Makefile

tty: remove bfin_jtag_comm and hvc_bfin_jtag drivers

2018-03-26 15:57:24 +02:00

mips_ejtag_fdc.c

…

moxa.c

moxa: switch to ->[sg]et_serial()

2018-10-13 00:50:32 -04:00

moxa.h

tty: moxa: Add support for CMSPAR

2017-11-28 15:32:33 +01:00

mxser.c

mxser: switch to ->[sg]et_serial()

2018-10-13 00:50:32 -04:00

mxser.h

…

n_gsm.c

tty: n_gsm: Mark expected switch fall-throughs

2019-02-26 12:30:44 +01:00

n_hdlc.c

tty/n_hdlc: mark expected switch fall-through

2019-02-14 10:49:19 +01:00

n_null.c

…

n_r3964.c

tty: Don't block on IO when ldisc change is pending

2018-12-05 12:16:33 +01:00

n_tracerouter.c

…

n_tracesink.c

…

n_tracesink.h

…

n_tty.c

n_tty: update comment for WAKEUP_CHARS define

2019-01-18 13:25:11 +01:00

nozomi.c

tty/nozomi: use pci_iomap instead of ioremap_nocache

2019-02-12 10:26:45 +01:00

pty.c

pty: fix compat ioctls

2018-10-13 00:50:51 -04:00

rocket_int.h

…

rocket.c

tty: rocket: fix incorrect forward declaration of 'rp_init()'

2019-07-10 09:52:31 +02:00

rocket.h

…

synclink_gt.c

synclink_gt(): fix compat_ioctl()

2018-10-13 00:50:52 -04:00

synclink.c

tty/synclink: remove ISA support

2019-02-12 08:51:33 +01:00

synclinkmp.c

synclink: reduce pointless checks in ->ioctl()

2018-10-13 00:50:43 -04:00

sysrq.c

sysrq: Remove duplicated sysrq message

2019-01-22 13:46:53 +01:00

tty_audit.c

audit: join tty records to their syscall

2019-02-07 21:33:54 -05:00

tty_baudrate.c

termios, tty/tty_baudrate.c: fix buffer overrun

2018-11-08 03:36:45 -08:00

tty_buffer.c

tty: increase the default flip buffer limit to 2*640K

2019-01-30 12:03:58 +01:00

tty_io.c

tty: ldisc: add sysctl to prevent autoloading of ldiscs

2019-01-30 09:31:30 +01:00

tty_ioctl.c

move compat handling of tty ioctls to tty_compat_ioctl()

2018-09-14 11:12:17 -04:00

tty_jobctrl.c

…

tty_ldisc.c

tty: ldisc: add sysctl to prevent autoloading of ldiscs

2019-01-30 09:31:30 +01:00

tty_ldsem.c

tty/ldsem: Decrement wait_readers on timeouted down_read()

2018-12-05 12:16:33 +01:00

tty_mutex.c

…

tty_port.c

tty: fix NULL pointer issue when tty_port ops is not set

2019-03-28 01:21:21 +09:00

vcc.c

…