diff options
Diffstat (limited to 'drivers/serial/ioc4_serial.c')
| -rw-r--r-- | drivers/serial/ioc4_serial.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c index c620209d7b9a..576ca1eaa2b6 100644 --- a/drivers/serial/ioc4_serial.c +++ b/drivers/serial/ioc4_serial.c @@ -2646,7 +2646,10 @@ static int ioc4_serial_remove_one(struct ioc4_driver_data *idd) struct ioc4_port *port; struct ioc4_soft *soft; + /* If serial driver did not attach, don't try to detach */ control = idd->idd_serial_data; + if (!control) + return 0; for (port_num = 0; port_num < IOC4_NUM_SERIAL_PORTS; port_num++) { for (port_type = UART_PORT_MIN; @@ -2778,6 +2781,12 @@ ioc4_serial_attach_one(struct ioc4_driver_data *idd) DPRINT_CONFIG(("%s (0x%p, 0x%p)\n", __FUNCTION__, idd->idd_pdev, idd->idd_pci_id)); + /* PCI-RT does not bring out serial connections. + * Do not attach to this particular IOC4. + */ + if (idd->idd_variant == IOC4_VARIANT_PCI_RT) + return 0; + /* request serial registers */ tmp_addr1 = idd->idd_bar0 + IOC4_SERIAL_OFFSET; @@ -2846,7 +2855,7 @@ ioc4_serial_attach_one(struct ioc4_driver_data *idd) control->ic_soft = soft; /* Hook up interrupt handler */ - if (!request_irq(idd->idd_pdev->irq, ioc4_intr, SA_SHIRQ, + if (!request_irq(idd->idd_pdev->irq, ioc4_intr, IRQF_SHARED, "sgi-ioc4serial", soft)) { control->ic_irq = idd->idd_pdev->irq; } else { |