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-rw-r--r--arch/powerpc/sysdev/indirect_pci.c12
-rw-r--r--include/asm-ppc/pci-bridge.h1
2 files changed, 11 insertions, 2 deletions
diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c
index 3dedf8f5bfb4..d490e71f0533 100644
--- a/arch/powerpc/sysdev/indirect_pci.c
+++ b/arch/powerpc/sysdev/indirect_pci.c
@@ -33,6 +33,7 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
struct pci_controller *hose = bus->sysdata;
volatile void __iomem *cfg_data;
u8 cfg_type = 0;
+ u32 bus_no;
if (ppc_md.pci_exclude_device)
if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
@@ -42,8 +43,11 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
if (bus->number != hose->first_busno)
cfg_type = 1;
+ bus_no = (bus->number == hose->first_busno) ?
+ hose->self_busno : bus->number - hose->bus_offset;
+
PCI_CFG_OUT(hose->cfg_addr,
- (0x80000000 | ((bus->number - hose->bus_offset) << 16)
+ (0x80000000 | (bus_no << 16)
| (devfn << 8) | ((offset & 0xfc) | cfg_type)));
/*
@@ -72,6 +76,7 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
struct pci_controller *hose = bus->sysdata;
volatile void __iomem *cfg_data;
u8 cfg_type = 0;
+ u32 bus_no;
if (ppc_md.pci_exclude_device)
if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
@@ -81,8 +86,11 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
if (bus->number != hose->first_busno)
cfg_type = 1;
+ bus_no = (bus->number == hose->first_busno) ?
+ hose->self_busno : bus->number - hose->bus_offset;
+
PCI_CFG_OUT(hose->cfg_addr,
- (0x80000000 | ((bus->number - hose->bus_offset) << 16)
+ (0x80000000 | (bus_no << 16)
| (devfn << 8) | ((offset & 0xfc) | cfg_type)));
/*
diff --git a/include/asm-ppc/pci-bridge.h b/include/asm-ppc/pci-bridge.h
index 4d35b844bc58..2c2abdaad42f 100644
--- a/include/asm-ppc/pci-bridge.h
+++ b/include/asm-ppc/pci-bridge.h
@@ -47,6 +47,7 @@ struct pci_controller {
int first_busno;
int last_busno;
+ int self_busno;
int bus_offset;
void __iomem *io_base_virt;