add r8169 read mac form eeprom

hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/drivers/tty/rpmsg_tty.c
..
..
@@ -101,7 +101,7 @@
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 	return msg_size;
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 }
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-static unsigned int rpmsg_tty_write_room(struct tty_struct *tty)
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+static int rpmsg_tty_write_room(struct tty_struct *tty)
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 {
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 	struct rpmsg_tty_port *cport = tty->driver_data;
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 	int size;