diff options
| -rw-r--r-- | drivers/tty/serial/8250/8250.h | 5 | ||||
| -rw-r--r-- | drivers/tty/serial/8250/8250_port.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h index a697a8585ddc..124e6e695a3a 100644 --- a/drivers/tty/serial/8250/8250.h +++ b/drivers/tty/serial/8250/8250.h @@ -129,8 +129,13 @@ static inline void serial_dl_write(struct uart_8250_port *up, int value) } struct uart_8250_port *serial8250_get_port(int line); + void serial8250_rpm_get(struct uart_8250_port *p); void serial8250_rpm_put(struct uart_8250_port *p); + +void serial8250_rpm_get_tx(struct uart_8250_port *p); +void serial8250_rpm_put_tx(struct uart_8250_port *p); + int serial8250_em485_init(struct uart_8250_port *p); void serial8250_em485_destroy(struct uart_8250_port *p); diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 1731b98d2471..4a326034c51b 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -636,7 +636,7 @@ EXPORT_SYMBOL_GPL(serial8250_em485_destroy); * once and disable_runtime_pm_tx() will still disable RPM because the fifo is * empty and the HW can idle again. */ -static void serial8250_rpm_get_tx(struct uart_8250_port *p) +void serial8250_rpm_get_tx(struct uart_8250_port *p) { unsigned char rpm_active; @@ -648,8 +648,9 @@ static void serial8250_rpm_get_tx(struct uart_8250_port *p) return; pm_runtime_get_sync(p->port.dev); } +EXPORT_SYMBOL_GPL(serial8250_rpm_get_tx); -static void serial8250_rpm_put_tx(struct uart_8250_port *p) +void serial8250_rpm_put_tx(struct uart_8250_port *p) { unsigned char rpm_active; @@ -662,6 +663,7 @@ static void serial8250_rpm_put_tx(struct uart_8250_port *p) pm_runtime_mark_last_busy(p->port.dev); pm_runtime_put_autosuspend(p->port.dev); } +EXPORT_SYMBOL_GPL(serial8250_rpm_put_tx); /* * IER sleep support. UARTs which have EFRs need the "extended |