[PATCH] m68knommu: FEC driver event/irq fixes

[powerpc.git] / drivers / serial / ioc4_serial.c

diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index c620209..717e47b 100644 (file)
--- 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;