ide: coding style fixes for drivers/ide/setup-pci.c

* remove trailing whitespaces
* 'if()' -> 'if ()'
* remove extra new-line before EXPORT_SYMBOL_GPL()
* add extra new-line after 'id' definition
* respect 80-columns limit

There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/setup-pci.c

@@ -724,13 +724,12 @@ static LIST_HEAD(ide_pci_drivers);
 int __ide_pci_register_driver(struct pci_driver *driver, struct module *module,
 			      const char *mod_name)
 {
-	if(!pre_init)
+	if (!pre_init)
 		return __pci_register_driver(driver, module, mod_name);
 	driver->driver.owner = module;
 	list_add_tail(&driver->node, &ide_pci_drivers);
 	return 0;
 }
-
 EXPORT_SYMBOL_GPL(__ide_pci_register_driver);
 
 /**
@@ -750,8 +749,9 @@ static int __init ide_scan_pcidev(struct pci_dev *dev)
 	list_for_each(l, &ide_pci_drivers) {
 		d = list_entry(l, struct pci_driver, node);
 		if (d->id_table) {
-			const struct pci_device_id *id = pci_match_id(d->id_table,
-								      dev);
+			const struct pci_device_id *id =
+				pci_match_id(d->id_table, dev);
+
 			if (id != NULL && d->probe(dev, id) >= 0) {
 				dev->driver = d;
 				pci_dev_get(dev);
@@ -779,11 +779,11 @@ void __init ide_scan_pcibus (int scan_direction)
 
 	pre_init = 0;
 	if (!scan_direction)
-		while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL)
+		while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)))
 			ide_scan_pcidev(dev);
 	else
-		while ((dev = pci_get_device_reverse(PCI_ANY_ID, PCI_ANY_ID, dev))
-		       != NULL)
+		while ((dev = pci_get_device_reverse(PCI_ANY_ID, PCI_ANY_ID,
+						     dev)))
 			ide_scan_pcidev(dev);
 
 	/*