* ioc4_intr - Top level IOC4 interrupt handler.
* @irq: irq value
* @arg: handler arg
- * @regs: registers
*/
-static irqreturn_t ioc4_intr(int irq, void *arg, struct pt_regs *regs)
+static irqreturn_t ioc4_intr(int irq, void *arg)
{
struct ioc4_soft *soft;
uint32_t this_ir, this_mir;
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;
if (soft) {
free_irq(control->ic_irq, soft);
if (soft->is_ioc4_serial_addr) {
+ iounmap(soft->is_ioc4_serial_addr);
release_region((unsigned long)
soft->is_ioc4_serial_addr,
sizeof(struct ioc4_serial));
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;
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 {
out3:
kfree(control);
out2:
+ if (serial)
+ iounmap(serial);
release_region(tmp_addr1, sizeof(struct ioc4_serial));
out1: