linux-kernel - [PATCH v1 1/1] serial: 8250_port: Assign UPIO

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Message-ID: <20241125103305.1614986-1-andriy.shevchenko@linux.intel.com>
Date: Mon, 25 Nov 2024 12:33:05 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Cc: Jiri Slaby <jirislaby@...nel.org>,
	Arnd Bergmann <arnd@...nel.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/1] serial: 8250_port: Assign UPIO_UNKNOWN instead of its direct value

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@...ux.intel.com>
---
 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