diff options
| -rw-r--r-- | drivers/serial/8250.c | 17 | ||||
| -rw-r--r-- | include/linux/serial_8250.h | 4 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 6994afb5571..37f19a678c9 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2672,6 +2672,16 @@ static struct uart_ops serial8250_pops = { static struct uart_8250_port serial8250_ports[UART_NR]; +static void (*serial8250_isa_config)(int port, struct uart_port *up, + unsigned short *capabilities); + +void serial8250_set_isa_configurator( + void (*v)(int port, struct uart_port *up, unsigned short *capabilities)) +{ + serial8250_isa_config = v; +} +EXPORT_SYMBOL(serial8250_set_isa_configurator); + static void __init serial8250_isa_init_ports(void) { struct uart_8250_port *up; @@ -2717,6 +2727,9 @@ static void __init serial8250_isa_init_ports(void) up->port.regshift = old_serial_port[i].iomem_reg_shift; set_io_from_upio(&up->port); up->port.irqflags |= irqflag; + if (serial8250_isa_config != NULL) + serial8250_isa_config(i, &up->port, &up->capabilities); + } } @@ -3178,6 +3191,10 @@ int serial8250_register_port(struct uart_port *port) if (port->pm) uart->port.pm = port->pm; + if (serial8250_isa_config != NULL) + serial8250_isa_config(0, &uart->port, + &uart->capabilities); + ret = uart_add_one_port(&serial8250_reg, &uart->port); if (ret == 0) ret = uart->port.line; diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index bf9c2bdb2e0..97f5b45bbc0 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -81,4 +81,8 @@ extern void serial8250_do_set_termios(struct uart_port *port, extern void serial8250_do_pm(struct uart_port *port, unsigned int state, unsigned int oldstate); +extern void serial8250_set_isa_configurator(void (*v) + (int port, struct uart_port *up, + unsigned short *capabilities)); + #endif |