Commit ab7c284c authored by Lee Jones's avatar Lee Jones Committed by Zheng Zengkai
Browse files

tty: serial: 8250: 8250_port: Move prototypes to shared location 

mainline inclusion
from mainline-v5.11-rc1
commit a609c580
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5L672
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a609c58086e381c13bdad1ba97e6510a13d465e7



--------------------------------

Fixes the following W=1 kernel build warning(s):

 drivers/tty/serial/8250/8250_port.c:349:14: warning: no previous prototype for ‘au_serial_in’ [-Wmissing-prototypes]
 drivers/tty/serial/8250/8250_port.c:359:6: warning: no previous prototype for ‘au_serial_out’ [-Wmissing-prototypes]

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Mike Hudson <Exoray@isys.ca>
Cc: linux-serial@vger.kernel.org
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201112105857.2078977-3-lee.jones@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarYi Yang <yiyang13@huawei.com>
Reviewed-by: default avatarXiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: default avatarWang Weiyang <wangweiyang2@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent 5bb4773d

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

+0 −3
Original line number Diff line number Diff line
@@ -204,9 +204,6 @@ OF_EARLYCON_DECLARE(omap8250, "ti,omap4-uart", early_omap8250_setup); 


#ifdef CONFIG_SERIAL_8250_RT288X



unsigned int au_serial_in(struct uart_port *p, int offset);

void au_serial_out(struct uart_port *p, int offset, int value);



static int __init early_au_setup(struct earlycon_device *dev, const char *opt)

{

	dev->port.serial_in = au_serial_in;

include/linux/serial_8250.h

+5 −0
Original line number Diff line number Diff line
@@ -187,4 +187,9 @@ extern void serial8250_set_isa_configurator(void (*v) 
					(int port, struct uart_port *up,

						u32 *capabilities));



#ifdef CONFIG_SERIAL_8250_RT288X

unsigned int au_serial_in(struct uart_port *p, int offset);

void au_serial_out(struct uart_port *p, int offset, int value);

#endif



#endif