serial: core: Simplify uart_get_rs485_mode()

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[ Upstream commit 7cda0b9eb6 ]

Simplify uart_get_rs485_mode() by using temporary variable for
the GPIO descriptor. With that, use proper type for the flags
of the GPIO descriptor.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231003142346.3072929-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 1a33e33ca0 ("serial: core: set missing supported flag for RX during TX GPIO")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Andy Shevchenko 2023-10-03 17:23:46 +03:00 • committed by Greg Kroah-Hartman

parent e961f8c696

commit 28c85cd0a6

1 changed files with 12 additions and 18 deletions

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drivers/tty/serial/serial_core.c

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