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authorBjorn Helgaas <bhelgaas@google.com>2012-02-23 20:19:01 -0700
committerBjorn Helgaas <bhelgaas@google.com>2012-02-23 20:19:01 -0700
commitc04d9e35790013606f18cf56db07f80c3a339608 (patch)
tree4388d15997ddca63a7ba21f822654f13871a3767 /arch
parent36a66cd6fd0a70ac6848d740d9cf7a4360b5776a (diff)
downloadlinaro-lsk-c04d9e35790013606f18cf56db07f80c3a339608.tar.gz
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/include/asm/pci.h6
-rw-r--r--arch/alpha/kernel/pci.c71
2 files changed, 5 insertions, 72 deletions
diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h
index 6a3fe070462..121c797eb14 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 3a5cdf2a8fd..1a629636cc1 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);