alpha/PCI: get rid of device resource fixups

Tell the PCI core about host bridge address translation so it can take
care of bus-to-resource conversion for us.

CC: linux-alpha@vger.kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

2 files changed, 5 insertions, 72 deletions

diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h
index 6a3fe0704620..121c797eb14f 100644
--- a/arch/alpha/include/asm/pci.h
+++ b/arch/alpha/include/asm/pci.h
@@ -100,11 +100,7 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
         return channel ? 15 : 14;
 }
 
-extern void pcibios_resource_to_bus(struct pci_dev *, struct pci_bus_region *,
-                                    struct resource *);
-
-extern void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
-                                    struct pci_bus_region *region);
+#define ARCH_HAS_GENERIC_PCI_OFFSETS
 
 #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
 
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index 3a5cdf2a8fd0..1a629636cc16 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -251,32 +251,6 @@ pci_restore_srm_config(void)
 #endif
 
 void __devinit
-pcibios_fixup_resource(struct resource *res, struct resource *root)
-{
-        res->start += root->start;
-        res->end += root->start;
-}
-
-void __devinit
-pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus)
-{
-        /* Update device resources.  */
-        struct pci_controller *hose = (struct pci_controller *)bus->sysdata;
-        int i;
-
-        for (i = 0; i < PCI_NUM_RESOURCES; i++) {
-                if (!dev->resource[i].start)
-                        continue;
-                if (dev->resource[i].flags & IORESOURCE_IO)
-                        pcibios_fixup_resource(&dev->resource[i],
-                                               hose->io_space);
-                else if (dev->resource[i].flags & IORESOURCE_MEM)
-                        pcibios_fixup_resource(&dev->resource[i],
-                                               hose->mem_space);
-        }
-}
-
-void __devinit
 pcibios_fixup_bus(struct pci_bus *bus)
 {
         struct pci_dev *dev = bus->self;
@@ -284,13 +258,10 @@ pcibios_fixup_bus(struct pci_bus *bus)
         if (pci_has_flag(PCI_PROBE_ONLY) && dev &&
                    (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) {
                 pci_read_bridge_bases(bus);
-                pcibios_fixup_device_resources(dev, bus);
         } 
 
         list_for_each_entry(dev, &bus->devices, bus_list) {
                 pdev_save_srm_config(dev);
-                if ((dev->class >> 8) != PCI_CLASS_BRIDGE_PCI)
-                        pcibios_fixup_device_resources(dev, bus);
         }
 }
 
@@ -300,42 +271,6 @@ pcibios_update_irq(struct pci_dev *dev, int irq)
         pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
 }
 
-void
-pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
-                         struct resource *res)
-{
-        struct pci_controller *hose = (struct pci_controller *)dev->sysdata;
-        unsigned long offset = 0;
-
-        if (res->flags & IORESOURCE_IO)
-                offset = hose->io_space->start;
-        else if (res->flags & IORESOURCE_MEM)
-                offset = hose->mem_space->start;
-
-        region->start = res->start - offset;
-        region->end = res->end - offset;
-}
-
-void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
-                             struct pci_bus_region *region)
-{
-        struct pci_controller *hose = (struct pci_controller *)dev->sysdata;
-        unsigned long offset = 0;
-
-        if (res->flags & IORESOURCE_IO)
-                offset = hose->io_space->start;
-        else if (res->flags & IORESOURCE_MEM)
-                offset = hose->mem_space->start;
-
-        res->start = region->start + offset;
-        res->end = region->end + offset;
-}
-
-#ifdef CONFIG_HOTPLUG
-EXPORT_SYMBOL(pcibios_resource_to_bus);
-EXPORT_SYMBOL(pcibios_bus_to_resource);
-#endif
-
 int
 pcibios_enable_device(struct pci_dev *dev, int mask)
 {
@@ -415,8 +350,10 @@ common_init_pci(void)
                         hose->mem_space->end = end;
 
                 INIT_LIST_HEAD(&resources);
-                pci_add_resource(&resources, hose->io_space);
-                pci_add_resource(&resources, hose->mem_space);
+                pci_add_resource_offset(&resources, hose->io_space,
+                                        hose->io_space->start);
+                pci_add_resource_offset(&resources, hose->mem_space,
+                                        hose->mem_space->start);
 
                 bus = pci_scan_root_bus(NULL, next_busno, alpha_mv.pci_ops,
                                         hose, &resources);