1 files changed, 9 insertions, 46 deletions

diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 8fd7e825192b..77b15f80f101 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -362,7 +362,12 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
 	info.name = name;
 	acpi_walk_resources(device->handle, METHOD_NAME__CRS, add_window,
 			&info);
-
+	/*
+	 * See arch/x86/pci/acpi.c.
+	 * The desired pci bus might already be scanned in a quirk. We
+	 * should handle the case here, but it appears that IA64 hasn't
+	 * such quirk. So we just ignore the case now.
+	 */
 	pbus = pci_scan_bus_parented(NULL, bus, &pci_root_ops, controller);
 	if (pbus)
 		pcibios_setup_root_windows(pbus, controller);
@@ -499,54 +504,12 @@ pcibios_update_irq (struct pci_dev *dev, int irq)
 	/* ??? FIXME -- record old value for shutdown.  */
 }
 
-static inline int
-pcibios_enable_resources (struct pci_dev *dev, int mask)
-{
-	u16 cmd, old_cmd;
-	int idx;
-	struct resource *r;
-	unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM;
-
-	if (!dev)
-		return -EINVAL;
-
-	pci_read_config_word(dev, PCI_COMMAND, &cmd);
-	old_cmd = cmd;
-	for (idx=0; idx<PCI_NUM_RESOURCES; idx++) {
-		/* Only set up the desired resources.  */
-		if (!(mask & (1 << idx)))
-			continue;
-
-		r = &dev->resource[idx];
-		if (!(r->flags & type_mask))
-			continue;
-		if ((idx == PCI_ROM_RESOURCE) &&
-				(!(r->flags & IORESOURCE_ROM_ENABLE)))
-			continue;
-		if (!r->start && r->end) {
-			printk(KERN_ERR
-			       "PCI: Device %s not available because of resource collisions\n",
-			       pci_name(dev));
-			return -EINVAL;
-		}
-		if (r->flags & IORESOURCE_IO)
-			cmd |= PCI_COMMAND_IO;
-		if (r->flags & IORESOURCE_MEM)
-			cmd |= PCI_COMMAND_MEMORY;
-	}
-	if (cmd != old_cmd) {
-		printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd);
-		pci_write_config_word(dev, PCI_COMMAND, cmd);
-	}
-	return 0;
-}
-
 int
 pcibios_enable_device (struct pci_dev *dev, int mask)
 {
 	int ret;
 
-	ret = pcibios_enable_resources(dev, mask);
+	ret = pci_enable_resources(dev, mask);
 	if (ret < 0)
 		return ret;
 
@@ -765,7 +728,7 @@ static void __init set_pci_cacheline_size(void)
 	status = ia64_pal_cache_summary(&levels, &unique_caches);
 	if (status != 0) {
 		printk(KERN_ERR "%s: ia64_pal_cache_summary() failed "
-			"(status=%ld)\n", __FUNCTION__, status);
+			"(status=%ld)\n", __func__, status);
 		return;
 	}
 
@@ -773,7 +736,7 @@ static void __init set_pci_cacheline_size(void)
 				/* cache_type (data_or_unified)= */ 2, &cci);
 	if (status != 0) {
 		printk(KERN_ERR "%s: ia64_pal_cache_config_info() failed "
-			"(status=%ld)\n", __FUNCTION__, status);
+			"(status=%ld)\n", __func__, status);
 		return;
 	}
 	pci_cache_line_size = (1 << cci.pcci_line_size) / 4;