diff options
| author | Ishizaki Kou <kou.ishizaki@toshiba.co.jp> | 2007-05-09 11:36:40 +0400 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-05-10 15:28:12 +0400 |
| commit | 0f6e74a3e0c5e805d5f67f7631259c886158a47b (patch) | |
| tree | 94dab1c8d2aba8a5f7af6d029b8a6d2f4ca90174 /arch | |
| parent | d1af5b4ea970d8cccdacf243ae42899f3784ad85 (diff) | |
| download | linux-0f6e74a3e0c5e805d5f67f7631259c886158a47b.tar.xz | |
[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')
| -rw-r--r-- | arch/powerpc/platforms/celleb/scc_epci.c | 8 |
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: |