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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
commit9f786d033d025ab7d2c4d1b959aa81d935eb9e19 (patch)
tree5a92b3c43935efd5044972fb45eaa2c7ca1c2fcf /arch/arm/kernel/bios32.c
parentc04d9e35790013606f18cf56db07f80c3a339608 (diff)
arm/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: Russell King <linux@arm.linux.org.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'arch/arm/kernel/bios32.c')
-rw-r--r--arch/arm/kernel/bios32.c69
1 files changed, 4 insertions, 65 deletions
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 8d7c22d7dff..be5d3b23284 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -294,28 +294,6 @@ static inline int pdev_bad_for_parity(struct pci_dev *dev)
}
/*
- * Adjust the device resources from bus-centric to Linux-centric.
- */
-static void __devinit
-pdev_fixup_device_resources(struct pci_sys_data *root, struct pci_dev *dev)
-{
- resource_size_t offset;
- int i;
-
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- if (dev->resource[i].start == 0)
- continue;
- if (dev->resource[i].flags & IORESOURCE_MEM)
- offset = root->mem_offset;
- else
- offset = root->io_offset;
-
- dev->resource[i].start += offset;
- dev->resource[i].end += offset;
- }
-}
-
-/*
* pcibios_fixup_bus - Called after each bus is probed,
* but before its children are examined.
*/
@@ -332,8 +310,6 @@ void pcibios_fixup_bus(struct pci_bus *bus)
list_for_each_entry(dev, &bus->devices, bus_list) {
u16 status;
- pdev_fixup_device_resources(root, dev);
-
pci_read_config_word(dev, PCI_STATUS, &status);
/*
@@ -399,43 +375,6 @@ EXPORT_SYMBOL(pcibios_fixup_bus);
#endif
/*
- * Convert from Linux-centric to bus-centric addresses for bridge devices.
- */
-void
-pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
- struct resource *res)
-{
- struct pci_sys_data *root = dev->sysdata;
- unsigned long offset = 0;
-
- if (res->flags & IORESOURCE_IO)
- offset = root->io_offset;
- if (res->flags & IORESOURCE_MEM)
- offset = root->mem_offset;
-
- region->start = res->start - offset;
- region->end = res->end - offset;
-}
-EXPORT_SYMBOL(pcibios_resource_to_bus);
-
-void __devinit
-pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
- struct pci_bus_region *region)
-{
- struct pci_sys_data *root = dev->sysdata;
- unsigned long offset = 0;
-
- if (res->flags & IORESOURCE_IO)
- offset = root->io_offset;
- if (res->flags & IORESOURCE_MEM)
- offset = root->mem_offset;
-
- res->start = region->start + offset;
- res->end = region->end + offset;
-}
-EXPORT_SYMBOL(pcibios_bus_to_resource);
-
-/*
* Swizzle the device pin each time we cross a bridge.
* This might update pin and returns the slot number.
*/
@@ -496,10 +435,10 @@ static void __init pcibios_init_hw(struct hw_pci *hw)
if (ret > 0) {
if (list_empty(&sys->resources)) {
- pci_add_resource(&sys->resources,
- &ioport_resource);
- pci_add_resource(&sys->resources,
- &iomem_resource);
+ pci_add_resource_offset(&sys->resources,
+ &ioport_resource, sys->io_offset);
+ pci_add_resource_offset(&sys->resources,
+ &iomem_resource, sys->mem_offset);
}
sys->bus = hw->scan(nr, sys);