[PATCH] serial: remove nulldev_serial_input

[Heiko Schocher]

nulldev_serial_input is static and not used in this file,
so remove it.

Signed-off-by: Heiko Schocher <hs at denx.de>
---
azure build is clean
https://dev.azure.com/hs0298/hs/_build/results?buildId=78&view=results

 drivers/serial/serial_nulldev.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/serial/serial_nulldev.c b/drivers/serial/serial_nulldev.c
index efae14dd6c..f3ca7f5255 100644
--- a/drivers/serial/serial_nulldev.c
+++ b/drivers/serial/serial_nulldev.c
@@ -22,11 +22,6 @@ static int nulldev_serial_pending(struct udevice *dev, bool input)
 	return 0;
 }
 
-static int nulldev_serial_input(struct udevice *dev)
-{
-	return 0;
-}
-
 static int nulldev_serial_putc(struct udevice *dev, const char ch)
 {
 	return 0;
-- 
2.34.1