It can be useful to override 8250 mctrl lines with gpios, for rts on
rs485 for example, when rts is not mapped correctly to HW RTS pin.
Enable SERIAL_MCTRL_GPIO by default.
Signed-off-by: Giulio Benetti <giulio.bene...@micronovasrl.com>
---
drivers/tty/serial/8250/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index f005eaf8bc57..c7992b94fece 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -7,6 +7,7 @@ config SERIAL_8250
tristate "8250/16550 and compatible serial support"
depends on !S390
select SERIAL_CORE
+ select SERIAL_MCTRL_GPIO if GPIOLIB
---help---
This selects whether you want to include the driver for the standard
serial ports. The standard answer is Y. People who might say N
--
2.17.0
