diff options
Diffstat (limited to 'drivers/serial/serial_core.c')
| -rw-r--r-- | drivers/serial/serial_core.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 9ffa5bee44ab..460a72d91bb7 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -1985,7 +1985,8 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) tty_dev = device_find_child(uport->dev, &match, serial_match_port); if (device_may_wakeup(tty_dev)) { - enable_irq_wake(uport->irq); + if (!enable_irq_wake(uport->irq)) + uport->irq_wake = 1; put_device(tty_dev); mutex_unlock(&port->mutex); return 0; @@ -2051,7 +2052,10 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) tty_dev = device_find_child(uport->dev, &match, serial_match_port); if (!uport->suspended && device_may_wakeup(tty_dev)) { - disable_irq_wake(uport->irq); + if (uport->irq_wake) { + disable_irq_wake(uport->irq); + uport->irq_wake = 0; + } mutex_unlock(&port->mutex); return 0; } @@ -2134,6 +2138,7 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port) case UPIO_AU: case UPIO_TSI: case UPIO_DWAPB: + case UPIO_DWAPB32: snprintf(address, sizeof(address), "MMIO 0x%llx", (unsigned long long)port->mapbase); break; @@ -2554,6 +2559,7 @@ int uart_match_port(struct uart_port *port1, struct uart_port *port2) case UPIO_AU: case UPIO_TSI: case UPIO_DWAPB: + case UPIO_DWAPB32: return (port1->mapbase == port2->mapbase); } return 0; |