From: Aidan Stewart Date: Tue, 17 Jun 2025 16:48:19 +0000 (-0600) Subject: serial: core: restore of_node information in sysfs X-Git-Tag: v6.16-rc4~2^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d36f0e9a0002f04f4d6dd9be908d58fe5bd3a279;p=thirdparty%2Flinux.git serial: core: restore of_node information in sysfs Since in v6.8-rc1, the of_node symlink under tty devices is missing. This breaks any udev rules relying on this information. Link the of_node information in the serial controller device with the parent defined in the device tree. This will also apply to the serial device which takes the serial controller as a parent device. Fixes: b286f4e87e32 ("serial: core: Move tty and serdev to be children of serial core port device") Cc: stable@vger.kernel.org Signed-off-by: Aidan Stewart Link: https://lore.kernel.org/r/20250617164819.13912-1-astewart@tektelic.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/serial_base_bus.c b/drivers/tty/serial/serial_base_bus.c index 5d1677f1b651c..cb3b127b06b61 100644 --- a/drivers/tty/serial/serial_base_bus.c +++ b/drivers/tty/serial/serial_base_bus.c @@ -72,6 +72,7 @@ static int serial_base_device_init(struct uart_port *port, dev->parent = parent_dev; dev->bus = &serial_base_bus_type; dev->release = release; + device_set_of_node_from_dev(dev, parent_dev); if (!serial_base_initialized) { dev_dbg(port->dev, "uart_add_one_port() called before arch_initcall()?\n");