+static irqreturn_t pd6729_test(int irq, void *dev, struct pt_regs *regs)
+{
+ dprintk("-> hit on irq %d\n", irq);
+ return IRQ_HANDLED;
+}
+
+static int pd6729_check_irq(int irq, int flags)
+{
+ if (request_irq(irq, pd6729_test, flags, "x", pd6729_test) != 0)
+ return -1;
+ free_irq(irq, pd6729_test);
+ return 0;
+}
+
+static u_int __init pd6729_isa_scan(void)
+{
+ u_int mask0, mask = 0;
+ int i;
+
+ if (irq_mode == 1) {
+ printk(KERN_INFO "pd6729: PCI card interrupts, "
+ "PCI status changes\n");
+ return 0;
+ }
+
+ if (irq_list_count == 0)
+ mask0 = 0xffff;
+ else
+ for (i = mask0 = 0; i < irq_list_count; i++)
+ mask0 |= (1<<irq_list[i]);
+
+ mask0 &= PD67_MASK;
+
+ /* just find interrupts that aren't in use */
+ for (i = 0; i < 16; i++)
+ if ((mask0 & (1 << i)) && (pd6729_check_irq(i, 0) == 0))
+ mask |= (1 << i);
+
+ printk(KERN_INFO "pd6729: ISA irqs = ");
+ for (i = 0; i < 16; i++)
+ if (mask & (1<<i))
+ printk("%s%d", ((mask & ((1<<i)-1)) ? "," : ""), i);
+
+ if (mask == 0) printk("none!");
+
+ printk(" polling status changes.\n");
+
+ return mask;
+}
+
+static int __devinit pd6729_pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *id)