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Commit 1c5841e8 authored by Eddie Huang's avatar Eddie Huang Committed by Greg Kroah-Hartman
Browse files

tty: serial: 8250: export early_serial8250_setup function 



8250-like uart driver may call early_serial8250_setup to
reuse 8250_early.c character output function.

Signed-off-by: default avatarEddie Huang <eddie.huang@mediatek.com>
Tested-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c1c325d7

drivers/tty/serial/8250/8250_early.c

+1 −1
Original line number Diff line number Diff line
@@ -131,7 +131,7 @@ static void __init init_port(struct earlycon_device *device) 
	serial8250_early_out(port, UART_LCR, c & ~UART_LCR_DLAB);

}



static int __init early_serial8250_setup(struct earlycon_device *device,

int __init early_serial8250_setup(struct earlycon_device *device,

					 const char *options)

{

	if (!(device->port.membase || device->port.iobase))

include/linux/serial_8250.h

+2 −0
Original line number Diff line number Diff line
@@ -137,6 +137,8 @@ extern int early_serial_setup(struct uart_port *port); 


extern unsigned int serial8250_early_in(struct uart_port *port, int offset);

extern void serial8250_early_out(struct uart_port *port, int offset, int value);

extern int early_serial8250_setup(struct earlycon_device *device,

					 const char *options);

extern void serial8250_do_set_termios(struct uart_port *port,

		struct ktermios *termios, struct ktermios *old);

extern int serial8250_do_startup(struct uart_port *port);