[PATCH] serial: atmel_serial: Fix build for target without GPIOLIB

[Tobias Klauser]

If SERIAL_MCTRL_GPIO is selected but GPIOLIB is not, the noop functions
from serial_mctrl_gpio.h are pulled in. However, serial_mctrl_gpio.c is
still compiled, leading to function redefinition build errors.

Signed-off-by: Tobias Klauser <tklauser@xxxxxxxxxx>
---
 drivers/tty/serial/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 8079f52..8c43d11 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -117,7 +117,7 @@ config SERIAL_ATMEL
 	bool "AT91 / AT32 on-chip serial port support"
 	depends on ARCH_AT91 || AVR32
 	select SERIAL_CORE
-	select SERIAL_MCTRL_GPIO
+	select SERIAL_MCTRL_GPIO if GPIOLIB
 	help
 	  This enables the driver for the on-chip UARTs of the Atmel
 	  AT91 and AT32 processors.
-- 
2.0.1

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