6.15-stable review patch. If anyone has any objections, please let me know.
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From: Aidan Stewart astewart@tektelic.com
commit d36f0e9a0002f04f4d6dd9be908d58fe5bd3a279 upstream.
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 astewart@tektelic.com Link: https://lore.kernel.org/r/20250617164819.13912-1-astewart@tektelic.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/tty/serial/serial_base_bus.c | 1 + 1 file changed, 1 insertion(+)
--- 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(struc 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");