[WATCHDOG] i8xx_tco remove pci_find_device.

Use refcounting for pci device obtaining.
Use PCI_DEVICE macro.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Andrew Morton <akpm@osdl.org>

drivers/char/watchdog/i8xx_tco.c

@@ -406,18 +406,18 @@ static struct notifier_block i8xx_tco_notifier = {
  * want to register another driver on the same PCI id.
  */
 static struct pci_device_id i8xx_tco_pci_tbl[] = {
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_0,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_0,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_10,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1,	PCI_ANY_ID, PCI_ANY_ID, },
-	{ 0, },			/* End of list */
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_0) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_0) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_10) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1) },
+	{ },			/* End of list */
 };
 MODULE_DEVICE_TABLE (pci, i8xx_tco_pci_tbl);
 
@@ -434,12 +434,11 @@ static unsigned char __init i8xx_tco_getdevice (void)
 	 *      Find the PCI device
 	 */
 
-	while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+	for_each_pci_dev(dev)
 		if (pci_match_id(i8xx_tco_pci_tbl, dev)) {
 			i8xx_tco_pci = dev;
 			break;
 		}
-	}
 
 	if (i8xx_tco_pci) {
 		/*
@@ -454,6 +453,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
 		/* Something's wrong here, ACPIBASE has to be set */
 		if (badr == 0x0001 || badr == 0x0000) {
 			printk (KERN_ERR PFX "failed to get TCOBASE address\n");
+			pci_dev_put(i8xx_tco_pci);
 			return 0;
 		}
 
@@ -465,6 +465,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
 			pci_read_config_byte (i8xx_tco_pci, 0xd4, &val1);
 			if (val1 & 0x02) {
 				printk (KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n");
+				pci_dev_put(i8xx_tco_pci);
 				return 0;	/* Cannot reset NO_REBOOT bit */
 			}
 		}
@@ -476,6 +477,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
 		if (!request_region (SMI_EN + 1, 1, "i8xx TCO")) {
 			printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
 				SMI_EN + 1);
+			pci_dev_put(i8xx_tco_pci);
 			return 0;
 		}
 		val1 = inb (SMI_EN + 1);
@@ -542,6 +544,7 @@ static int __init watchdog_init (void)
 unreg_region:
 	release_region (TCOBASE, 0x10);
 out:
+	pci_dev_put(i8xx_tco_pci);
 	return ret;
 }
 
@@ -555,6 +558,8 @@ static void __exit watchdog_cleanup (void)
 	misc_deregister (&i8xx_tco_miscdev);
 	unregister_reboot_notifier(&i8xx_tco_notifier);
 	release_region (TCOBASE, 0x10);
+
+	pci_dev_put(i8xx_tco_pci);
 }
 
 module_init(watchdog_init);