add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/drivers/tty/tty_port.c
..
..
@@ -18,6 +18,7 @@
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 #include <linux/delay.h>
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 #include <linux/module.h>
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 #include <linux/serdev.h>
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+#include "tty.h"
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 static int tty_port_default_receive_buf(struct tty_port *port,
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 					const unsigned char *p,