powerpc/fsl_pci: Fix pci stack build bug with FRAME_WARN
[linux-2.6-microblaze.git] / arch / powerpc / sysdev / indirect_pci.c
index 1f6c570..692de9d 100644 (file)
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
 
-int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
-                        int offset, int len, u32 *val)
+int __indirect_read_config(struct pci_controller *hose,
+                          unsigned char bus_number, unsigned int devfn,
+                          int offset, int len, u32 *val)
 {
-       struct pci_controller *hose = pci_bus_to_host(bus);
        volatile void __iomem *cfg_data;
        u8 cfg_type = 0;
        u32 bus_no, reg;
 
        if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
-               if (bus->number != hose->first_busno)
+               if (bus_number != hose->first_busno)
                        return PCIBIOS_DEVICE_NOT_FOUND;
                if (devfn != 0)
                        return PCIBIOS_DEVICE_NOT_FOUND;
        }
 
        if (ppc_md.pci_exclude_device)
-               if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
+               if (ppc_md.pci_exclude_device(hose, bus_number, devfn))
                        return PCIBIOS_DEVICE_NOT_FOUND;
 
        if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE)
-               if (bus->number != hose->first_busno)
+               if (bus_number != hose->first_busno)
                        cfg_type = 1;
 
-       bus_no = (bus->number == hose->first_busno) ?
-                       hose->self_busno : bus->number;
+       bus_no = (bus_number == hose->first_busno) ?
+                       hose->self_busno : bus_number;
 
        if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG)
                reg = ((offset & 0xf00) << 16) | (offset & 0xfc);
@@ -77,6 +77,15 @@ int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
        return PCIBIOS_SUCCESSFUL;
 }
 
+int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
+                        int offset, int len, u32 *val)
+{
+       struct pci_controller *hose = pci_bus_to_host(bus);
+
+       return __indirect_read_config(hose, bus->number, devfn, offset, len,
+                                     val);
+}
+
 int indirect_write_config(struct pci_bus *bus, unsigned int devfn,
                          int offset, int len, u32 val)
 {