sh: pci: Use generic pci_enable_resources() for pcibios_enable_device().
authorPaul Mundt <lethal@linux-sh.org>
Sun, 19 Sep 2010 04:51:15 +0000 (13:51 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Sun, 19 Sep 2010 04:51:15 +0000 (13:51 +0900)
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/drivers/pci/pci.c

index 1e9598d2bbf4832e69e43ba49eff659adcad46c8..e4c988d46ad5b306174df740147833e69f48054c 100644 (file)
@@ -233,40 +233,7 @@ void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
 
 int pcibios_enable_device(struct pci_dev *dev, int mask)
 {
-       u16 cmd, old_cmd;
-       int idx;
-       struct resource *r;
-
-       pci_read_config_word(dev, PCI_COMMAND, &cmd);
-       old_cmd = cmd;
-       for (idx=0; idx < PCI_NUM_RESOURCES; idx++) {
-               /* Only set up the requested stuff */
-               if (!(mask & (1<<idx)))
-                       continue;
-
-               r = &dev->resource[idx];
-               if (!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM)))
-                       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;
+       return pci_enable_resources(dev, mask);
 }
 
 /*