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| author | Eddie Huang <eddie.huang@mediatek.com> | 2015-04-28 21:40:32 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-10 19:00:05 +0200 |
| commit | 1c5841e832e2d7563c31de4946118e78baf573a3 (patch) | |
| tree | 4bc2305c492fdb2d01f53c259f1e3968fd4f3e31 | |
| parent | c1c325d703d347d967242efb8fef6a1c91a31aac (diff) | |
| download | linux-1c5841e832e2d7563c31de4946118e78baf573a3.tar.gz linux-1c5841e832e2d7563c31de4946118e78baf573a3.tar.xz | |
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: Eddie Huang <eddie.huang@mediatek.com>
Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/8250/8250_early.c | 2 | ||||
| -rw-r--r-- | include/linux/serial_8250.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c index 6c0fd8b9d1c3..771dda29a0f8 100644 --- a/drivers/tty/serial/8250/8250_early.c +++ b/drivers/tty/serial/8250/8250_early.c @@ -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)) diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 78097e7a330a..f0c68d88b6f4 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -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); |