PNP: introduce pnp_irq_mask_t typedef

This adds a typedef for the IRQ bitmap, which should cause
no functional change, but will make it easier to pass a
pointer to a bitmap to pnp_register_irq_resource().

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index 165b624..e758dd2 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -128,20 +128,20 @@
 	res->start = -1;
 	res->end = -1;
 
-	if (bitmap_empty(rule->map, PNP_IRQ_NR)) {
+	if (bitmap_empty(rule->map.bits, PNP_IRQ_NR)) {
 		res->flags |= IORESOURCE_DISABLED;
 		dev_dbg(&dev->dev, "  irq %d disabled\n", idx);
 		goto __add;
 	}
 
 	/* TBD: need check for >16 IRQ */
-	res->start = find_next_bit(rule->map, PNP_IRQ_NR, 16);
+	res->start = find_next_bit(rule->map.bits, PNP_IRQ_NR, 16);
 	if (res->start < PNP_IRQ_NR) {
 		res->end = res->start;
 		goto __add;
 	}
 	for (i = 0; i < 16; i++) {
-		if (test_bit(xtab[i], rule->map)) {
+		if (test_bit(xtab[i], rule->map.bits)) {
 			res->start = res->end = xtab[i];
 			if (pnp_check_irq(dev, res))
 				goto __add;