PCI hotplug: cpqphp: use config space PCI interrupt pin encoding

This patch changes cpqphp to use interrupt pin values just as they
come from PCI config space, i.e., 1=INTA, ..., 4=INTD.

pcibios_set_irq_routing() takes pin arguments in the range 0=INTA, ...,
3=INTD, so we'll adjust the pin just before calling it.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/hotplug/cpqphp_ctrl.c

@@ -2604,7 +2604,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
 			for (cloop = 0; cloop < 4; cloop++) {
 				if (irqs.valid_INT & (0x01 << cloop)) {
 					rc = cpqhp_set_irq(func->bus, func->device,
-							   0x0A + cloop, irqs.interrupt[cloop]);
+							   cloop + 1, irqs.interrupt[cloop]);
 					if (rc)
 						goto free_and_out;
 				}
@@ -2945,7 +2945,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
 		}
 
 		if (!behind_bridge) {
-			rc = cpqhp_set_irq(func->bus, func->device, temp_byte + 0x09, IRQ);
+			rc = cpqhp_set_irq(func->bus, func->device, temp_byte, IRQ);
 			if (rc)
 				return 1;
 		} else {

drivers/pci/hotplug/cpqphp_pci.c

@@ -171,7 +171,7 @@ int cpqhp_set_irq (u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num)
 		fakebus->number = bus_num;
 		dbg("%s: dev %d, bus %d, pin %d, num %d\n",
 		    __func__, dev_num, bus_num, int_pin, irq_num);
-		rc = pcibios_set_irq_routing(fakedev, int_pin - 0x0a, irq_num);
+		rc = pcibios_set_irq_routing(fakedev, int_pin - 1, irq_num);
 		kfree(fakedev);
 		kfree(fakebus);
 		dbg("%s: rc %d\n", __func__, rc);