This is a note to let you know that I've just added the patch titled serial: sc16is7xx: add missing support for rs485 devicetree properties to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: serial-sc16is7xx-add-missing-support-for-rs485-devicetree-properties.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From b4a778303ea0fcabcaff974721477a5743e1f8ec Mon Sep 17 00:00:00 2001 From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx> Date: Mon, 7 Aug 2023 17:45:56 -0400 Subject: serial: sc16is7xx: add missing support for rs485 devicetree properties MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx> commit b4a778303ea0fcabcaff974721477a5743e1f8ec upstream. Retrieve rs485 devicetree properties on registration of sc16is7xx ports in case they are attached to an rs485 transceiver. Signed-off-by: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> Reviewed-by: Lech Perczak <lech.perczak@xxxxxxxxxxxxxxx> Tested-by: Lech Perczak <lech.perczak@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20230807214556.540627-7-hugo@xxxxxxxxxxx Cc: Hugo Villeneuve <hugo@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/tty/serial/sc16is7xx.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1556,6 +1556,10 @@ static int sc16is7xx_probe(struct device goto out_ports; } + ret = uart_get_rs485_mode(&s->p[i].port); + if (ret) + goto out_ports; + /* Disable all interrupts */ sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_IER_REG, 0); /* Disable TX/RX */ Patches currently in stable-queue which might be from hvilleneuve@xxxxxxxxxxxx are queue-6.1/serial-sc16is7xx-add-missing-support-for-rs485-devicetree-properties.patch queue-6.1/auxdisplay-hd44780-move-cursor-home-after-clear-display-command.patch