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linux/drivers/tty
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Michael Walle d7c53fb081 tty: serial: fsl_lpuart: fix return value checking 
The return value of lpuart_dma_tx_request() is an negative errno on
failure and zero on success.

Fixes: 159381df1442f ("tty: serial: fsl_lpuart: fix DMA operation when using IOMMU")
Reported-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Fugang Duan <fugang.duan@nxp.com>
Link: https://lore.kernel.org/r/20200325090658.25967-2-michael@walle.cc
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-26 15:34:05 +01:00
..
hvc
tty: hvc: Use the correct style for SPDX License Identifier
2020-03-18 13:01:05 +01:00
ipwireless
tty: add SPDX identifiers to Kconfig and Makefiles
2019-04-04 18:48:43 +02:00
serdev
serdev: Fix detection of UART devices on Apple machines.
2020-03-06 14:10:44 +01:00
serial
tty: serial: fsl_lpuart: fix return value checking
2020-03-26 15:34:05 +01:00
vt
vt: indent switch-case in setterm_command properly
2020-03-16 08:41:17 +01:00
amiserial.c
Remove every trace of SERIAL_MAGIC
2019-11-13 19:01:14 +08:00
cyclades.c
remove ioremap_nocache and devm_ioremap_nocache
2020-01-06 09:45:59 +01:00
ehv_bytechan.c
tty: Convert to using %pOFn instead of device_node.name
2018-09-18 16:07:25 +02:00
goldfish.c
…
isicom.c
tty/isicom: remove redundant assignment to variable word_count
2019-09-04 12:43:44 +02:00
Kconfig
tty: Fix Kconfig indentation, continued
2019-11-21 14:38:31 +01:00
Makefile
tty: Add NULL TTY driver
2019-04-16 15:21:34 +02:00
mips_ejtag_fdc.c
tty: mips_ejtag_fdc: Mark expected switch fall-through
2020-03-07 09:52:02 +01:00
moxa.c
remove ioremap_nocache and devm_ioremap_nocache
2020-01-06 09:45:59 +01:00
moxa.h
…
mxser.c
mxser: switch to ->[sg]et_serial()
2018-10-13 00:50:32 -04:00
mxser.h
…
n_gsm.c
n_gsm: switch escape to bool
2020-02-19 12:46:48 +01:00
n_hdlc.c
tty: n_hdlc, remove FILE and LINE from pr_debug
2020-03-16 08:39:47 +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
tty: n_tracesink: Use the correct style for SPDX License Identifier
2020-03-18 13:01:31 +01:00
n_tty.c
n_tty: Distribute switch variables for initialization
2020-02-23 20:14:50 +01:00
nozomi.c
tty: nozomi: Use scnprintf() for avoiding potential buffer overflow
2020-03-18 12:59:29 +01:00
pty.c
Revert "tty: pty: Fix race condition between release_one_tty and pty_write"
2019-03-29 15:47:40 +01:00
rocket_int.h
…
rocket.c
tty: rocket: reduce stack usage
2019-11-04 17:42:28 +01:00
rocket.h
tty: rocket: Remove RCPK_GET_STRUCT ioctl
2019-04-25 11:58:56 +02:00
synclink_gt.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
synclink.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-01-28 16:02:33 -08:00
synclinkmp.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
sysrq.c
sysctl/sysrq: Remove __sysrq_enabled copy
2020-03-07 09:52:02 +01:00
tty_audit.c
audit: join tty records to their syscall
2019-02-07 21:33:54 -05:00
tty_baudrate.c
tty: baudrate: SPARC supports few more baud rates
2020-01-22 10:23:26 +01:00
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: fix compat TIOCGSERIAL checking wrong function ptr
2020-03-18 13:15:13 +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: fix read of tty->pgrp outside of ctrl_lock
2019-03-28 01:28:23 +09:00
tty_ldisc.c
tty_ldisc: simplify tty_ldisc_autoload initialization
2019-10-04 15:11:25 +02:00
tty_ldsem.c
locking/lockdep: Remove unused @nested argument from lock_release()
2019-10-09 12:46:10 +02:00
tty_mutex.c
…
tty_port.c
serdev: ttyport: restore client ops on deregistration
2020-02-10 12:26:44 -08:00
ttynull.c
tty: Add NULL TTY driver
2019-04-16 15:21:34 +02:00
vcc.c
tty: fix up a few remaining files without SPDX identifiers
2019-04-04 18:48:43 +02:00