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| /linux/drivers/tty/serial/ |
| H A D | serial_core.c | diff 1a33e33ca0e80d485458410f149265cdc0178cfa Wed Jan 03 07:18:13 CET 2024 Lino Sanfilippo <l.sanfilippo@kunbus.com> serial: core: set missing supported flag for RX during TX GPIO
If the RS485 feature RX-during-TX is supported by means of a GPIO set the
according supported flag. Otherwise setting this feature from userspace may
not be possible, since in uart_sanitize_serial_rs485() the passed RS485
configuration is matched against the supported features and unsupported
settings are thereby removed and thus take no effect.
Cc: <stable@vger.kernel.org>
Fixes: 163f080eb717 ("serial: core: Add option to output RS485 RX_DURING_TX state via GPIO")
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Lino Sanfilippo <l.sanfilippo@kunbus.com>
Link: https://lore.kernel.org/r/20240103061818.564-3-l.sanfilippo@kunbus.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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