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| author |   Michael Ellerman <michael@ellerman.id.au> | 2006-11-22 18:26:22 +1100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2006-12-20 10:54:43 -0800 |
| commit | beb7cc8238a8334d86c96bf32bf66182db3b619f (patch) | |
| tree | 5cccf6e3633910ff9a500c635e69943922cfb087 /arch | |
| parent | PCI: Use pci_find_ht_capability() in drivers/pci/quirks.c (diff) | |
| download | linux-dev-beb7cc8238a8334d86c96bf32bf66182db3b619f.tar.xz linux-dev-beb7cc8238a8334d86c96bf32bf66182db3b619f.zip | |
PCI: Only check the HT capability bits in mpic.c
Only compare the exact HT capability bits against HT_CAPTYPE_IRQ,
this is a little paranoid, but doesn't hurt.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 411480d5c626..d01ced11694d 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -390,7 +390,7 @@ static void __init mpic_scan_ht_pic(struct mpic *mpic, u8 __iomem *devbase, u8 id = readb(devbase + pos + PCI_CAP_LIST_ID); if (id == PCI_CAP_ID_HT) { id = readb(devbase + pos + 3); - if (id == HT_CAPTYPE_IRQ) + if ((id & HT_5BIT_CAP_MASK) == HT_CAPTYPE_IRQ) break; } } |