[RESEND PATCH v4 0/7] Fixes and improvements for RS485 (RESEND)

[Lino Sanfilippo]

Changes in v4:

- add comment for function uart_set_rs485_gpios after hint from Hugo
- correct commit message as pointed out by Hugo
- rephrase commit messages
- add patch 7 after discussion with Ilpo

Changes in v3
- Drop patch "Get rid of useless wrapper pl011_get_rs485_mode()" as
  requested by Greg

Changes in v2:
- add missing 'Fixes' tags as requested by Greg
- corrected a typo as pointed out by Hugo
- fix issue in imx driver in the serial core as suggested by Uwe
- partly rephrase some commit messages
- add patch 7

Lino Sanfilippo (7):
  serial: Do not hold the port lock when setting rx-during-tx GPIO
  serial: core: set missing supported flag for RX during TX GPIO
  serial: core: fix sanitizing check for RTS settings
  serial: core: make sure RS485 cannot be enabled when it is not
    supported
  serial: core, imx: do not set RS485 enabled if it is not supported
  serial: omap: do not override settings for RS485 support
  serial: 8250_exar: Set missing rs485_supported flag

 drivers/tty/serial/8250/8250_exar.c |  5 +--
 drivers/tty/serial/imx.c            |  8 -----
 drivers/tty/serial/omap-serial.c    |  8 ++---
 drivers/tty/serial/serial_core.c    | 53 +++++++++++++++++++++--------
 drivers/tty/serial/stm32-usart.c    |  5 +--
 5 files changed, 46 insertions(+), 33 deletions(-)


base-commit: b85ea95d086471afb4ad062012a4d73cd328fa86
-- 
2.42.0