diff options
| -rw-r--r-- | drivers/serial/8250.c | 20 | ||||
| -rw-r--r-- | drivers/serial/serial_core.c | 3 | ||||
| -rw-r--r-- | include/linux/serial_core.h | 1 |
3 files changed, 3 insertions, 21 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 0f0c7e1690dc..2b8dbc06a911 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2388,26 +2388,6 @@ static struct platform_device *serial8250_isa_devs; */ static DECLARE_MUTEX(serial_sem); -/* - * Are the two ports equivalent? - */ -static int uart_match_port(struct uart_port *port1, struct uart_port *port2) -{ - if (port1->iotype != port2->iotype) - return 0; - - switch (port1->iotype) { - case UPIO_PORT: - return (port1->iobase == port2->iobase); - case UPIO_HUB6: - return (port1->iobase == port2->iobase) && - (port1->hub6 == port2->hub6); - case UPIO_MEM: - return (port1->membase == port2->membase); - } - return 0; -} - static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port *port) { int i; diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 16c227d30016..36b1ae083fb7 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -2233,7 +2233,7 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port) /* * Are the two ports equivalent? */ -static int uart_match_port(struct uart_port *port1, struct uart_port *port2) +int uart_match_port(struct uart_port *port1, struct uart_port *port2) { if (port1->iotype != port2->iotype) return 0; @@ -2249,6 +2249,7 @@ static int uart_match_port(struct uart_port *port1, struct uart_port *port2) } return 0; } +EXPORT_SYMBOL(uart_match_port); /* * Try to find an unused uart_state slot for a port. diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index b71f1e8c31af..a456436aabb3 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -357,6 +357,7 @@ void uart_unregister_port(struct uart_driver *reg, int line); int uart_register_port(struct uart_driver *reg, struct uart_port *port); int uart_add_one_port(struct uart_driver *reg, struct uart_port *port); int uart_remove_one_port(struct uart_driver *reg, struct uart_port *port); +int uart_match_port(struct uart_port *port1, struct uart_port *port2); /* * Power Management |