linux-kernel - [PATCH v2 0/7] Fixes and improvements for RS485

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Date:   Wed, 11 Oct 2023 19:38:22 +0200
From:   Lino Sanfilippo <l.sanfilippo@...bus.com>
To:     gregkh@...uxfoundation.org, jirislaby@...nel.org,
        ilpo.jarvinen@...ux.intel.com
Cc:     shawnguo@...nel.org, s.hauer@...gutronix.de,
        mcoquelin.stm32@...il.com, alexandre.torgue@...s.st.com,
        cniedermaier@...electronics.com, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, LinoSanfilippo@....de,
        lukas@...ner.de, p.rosenberger@...bus.com,
        Lino Sanfilippo <l.sanfilippo@...bus.com>
Subject: [PATCH v2 0/7] Fixes and improvements for RS485

The following series includes some fixes and improvements around RS485 in
the serial core and UART drivers:

Patch 1: Do not hold the port lock when setting rx-during-tx GPIO
Patch 2: Get rid of useless wrapper pl011_get_rs485_mode()
Patch 3: set missing supported flag for RX during TX GPIO
Patch 4: fix sanitizing check for RTS settings
Patch 5: make sure RS485 is cannot be enabled when it is not supported
Patch 6: imx: do not set RS485 enabled if it is not supported
Patch 7: omap: do not override settings for rs485 support

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: amba-pl011: get rid of useless wrapper pl011_get_rs485_mode()
  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

 drivers/tty/serial/amba-pl011.c  | 14 +---------
 drivers/tty/serial/imx.c         |  8 ------
 drivers/tty/serial/omap-serial.c |  8 +++---
 drivers/tty/serial/serial_core.c | 48 ++++++++++++++++++++++----------
 drivers/tty/serial/stm32-usart.c |  5 +---
 5 files changed, 39 insertions(+), 44 deletions(-)


base-commit: 94f6f0550c625fab1f373bb86a6669b45e9748b3
-- 
2.40.1