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>

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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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drivers/tty/serial/8250/8250_port.c

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