[RFC PATCH 1/3] MIPS: PCI: Use pci_bus_remove_resources()/pci_bus_add_resource() to set up root resources

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Use this new style (instead of filling in the pci_bus->resource[] array
directly) to hide some ugly implementation details.

Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@xxxxxxxxx>
---
 arch/mips/pci/pci.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 33bba7b..7473214 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -261,6 +261,14 @@ static void pcibios_fixup_device_resources(struct pci_dev *dev,
 	}
 }
 
+static void __devinit
+pcibios_setup_root_resources(struct pci_bus *bus, struct pci_controller *ctrl)
+{
+	pci_bus_remove_resources(bus);
+	pci_bus_add_resource(bus, ctrl->io_resource, 0);
+	pci_bus_add_resource(bus, ctrl->mem_resource, 0);
+}
+
 void __devinit pcibios_fixup_bus(struct pci_bus *bus)
 {
 	/* Propagate hose info into the subordinate devices.  */
@@ -270,8 +278,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
 	struct pci_dev *dev = bus->self;
 
 	if (!dev) {
-		bus->resource[0] = hose->io_resource;
-		bus->resource[1] = hose->mem_resource;
+		pcibios_setup_root_resources(bus, hose);
 	} else if (pci_probe_only &&
 		   (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) {
 		pci_read_bridge_bases(bus);
-- 
1.7.1




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