[PATCH v1 1/1] serial: 8250_port: Assign UPIO_UNKNOWN instead of its direct value

From: Andy Shevchenko
Date: Mon Nov 25 2024 - 05:33:17 EST


serial8250_init_port() assings 0xFF for the unset or unknown port
IO type, use predefined constant for that instead.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_port.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 4d63d80e78a9..1003516097df 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -3249,7 +3249,7 @@ void serial8250_init_port(struct uart_8250_port *up)
port->ops = &serial8250_pops;
port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_8250_CONSOLE);

- up->cur_iotype = 0xFF;
+ up->cur_iotype = UPIO_UNKNOWN;
}
EXPORT_SYMBOL_GPL(serial8250_init_port);

--
2.43.0.rc1.1336.g36b5255a03ac