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serial: 8250_port: Assign UPIO_UNKNOWN instead of its direct value

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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@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20241125103305.1614986-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2024-11-25 12:33:05 +02:00 committed by Greg Kroah-Hartman
parent c1117a2fef
commit be0cf84370
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/8250/8250_port.c
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@ -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);