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authorIshizaki Kou <kou.ishizaki@toshiba.co.jp>2007-05-09 17:36:40 +1000
committerPaul Mackerras <paulus@samba.org>2007-05-10 21:28:12 +1000
commit0f6e74a3e0c5e805d5f67f7631259c886158a47b (patch)
tree94dab1c8d2aba8a5f7af6d029b8a6d2f4ca90174 /arch/powerpc
parentd1af5b4ea970d8cccdacf243ae42899f3784ad85 (diff)
[POWERPC] celleb: Fix PCI config space accesses to subordinate buses
Checking whether bus->self is NULL is not enough to know "bus" is the primary bus. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/celleb/scc_epci.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/celleb/scc_epci.c b/arch/powerpc/platforms/celleb/scc_epci.c
index fb23d53eb09c..c4b011094bd6 100644
--- a/arch/powerpc/platforms/celleb/scc_epci.c
+++ b/arch/powerpc/platforms/celleb/scc_epci.c
@@ -133,13 +133,13 @@ static int celleb_epci_check_abort(struct pci_controller *hose,
}
static volatile void __iomem *celleb_epci_make_config_addr(
+ struct pci_bus *bus,
struct pci_controller *hose,
unsigned int devfn, int where)
{
volatile void __iomem *addr;
- struct pci_bus *bus = hose->bus;
- if (bus->self)
+ if (bus != hose->bus)
addr = celleb_epci_get_epci_cfg(hose) +
(((bus->number & 0xff) << 16)
| ((devfn & 0xff) << 8)
@@ -193,7 +193,7 @@ static int celleb_epci_read_config(struct pci_bus *bus,
} else {
clear_and_disable_master_abort_interrupt(hose);
- addr = celleb_epci_make_config_addr(hose, devfn, where);
+ addr = celleb_epci_make_config_addr(bus, hose, devfn, where);
switch (size) {
case 1:
@@ -257,7 +257,7 @@ static int celleb_epci_write_config(struct pci_bus *bus,
} else {
clear_and_disable_master_abort_interrupt(hose);
- addr = celleb_epci_make_config_addr(hose, devfn, where);
+ addr = celleb_epci_make_config_addr(bus, hose, devfn, where);
switch (size) {
case 1: