diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/serial/8250/8250_core.c | 16 | ||||
| -rw-r--r-- | drivers/tty/serial/8250/8250_port.c | 8 |
2 files changed, 16 insertions, 8 deletions
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 2e83e7367441..94fbf0add2ce 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -298,10 +298,9 @@ static void serial8250_backup_timeout(struct timer_list *t) jiffies + uart_poll_timeout(&up->port) + HZ / 5); } -static int univ8250_setup_irq(struct uart_8250_port *up) +static void univ8250_setup_timer(struct uart_8250_port *up) { struct uart_port *port = &up->port; - int retval = 0; /* * The above check will only give an accurate result the first time @@ -322,10 +321,16 @@ static int univ8250_setup_irq(struct uart_8250_port *up) */ if (!port->irq) mod_timer(&up->timer, jiffies + uart_poll_timeout(port)); - else - retval = serial_link_irq_chain(up); +} - return retval; +static int univ8250_setup_irq(struct uart_8250_port *up) +{ + struct uart_port *port = &up->port; + + if (port->irq) + return serial_link_irq_chain(up); + + return 0; } static void univ8250_release_irq(struct uart_8250_port *up) @@ -381,6 +386,7 @@ static struct uart_ops univ8250_port_ops; static const struct uart_8250_ops univ8250_driver_ops = { .setup_irq = univ8250_setup_irq, .release_irq = univ8250_release_irq, + .setup_timer = univ8250_setup_timer, }; static struct uart_8250_port serial8250_ports[UART_NR]; diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 48890ecc8afe..6a3c2ead0f17 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -2297,6 +2297,10 @@ int serial8250_do_startup(struct uart_port *port) if (port->irq && (up->port.flags & UPF_SHARE_IRQ)) up->port.irqflags |= IRQF_SHARED; + retval = up->ops->setup_irq(up); + if (retval) + goto out; + if (port->irq && !(up->port.flags & UPF_NO_THRE_TEST)) { unsigned char iir1; @@ -2339,9 +2343,7 @@ int serial8250_do_startup(struct uart_port *port) } } - retval = up->ops->setup_irq(up); - if (retval) - goto out; + up->ops->setup_timer(up); /* * Now, initialize the UART |