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authorMichael Ellerman <michael@ellerman.id.au>2006-11-22 18:26:22 +1100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-12-20 10:54:43 -0800
commitbeb7cc8238a8334d86c96bf32bf66182db3b619f (patch)
tree5cccf6e3633910ff9a500c635e69943922cfb087 /arch/powerpc/sysdev
parent7a380507c48f7894bae7d367375313df9d51b2e5 (diff)
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/powerpc/sysdev')
-rw-r--r--arch/powerpc/sysdev/mpic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 411480d5c62..d01ced11694 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;
}
}