path: root/arch/powerpc
diff options
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-05-20 17:25:15 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-05-24 18:13:44 +1000
commit605e44d6e6f9b0c9ca8842dc0eb3ad032a463bdb (patch)
tree4260203108744b13491d4e04f1f73781d99f4de2 /arch/powerpc
parentbee7dd9c5fd5ab944e2e0ef3b92905fcbc993768 (diff)
powerpc/powernv: Fix condition for when to invalidate the TCE cache
We use two flags, one to indicate an invalidation is needed after creating a new entry and one to indicate an invalidation is needed after removing an entry. However we were testing the wrong flag in the remove case. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 163bd7422f1..098d3573315 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -367,7 +367,7 @@ static void pnv_tce_free(struct iommu_table *tbl, long index, long npages)
while (npages--)
*(tcep++) = 0;
- if (tbl->it_type & TCE_PCI_SWINV_CREATE)
+ if (tbl->it_type & TCE_PCI_SWINV_FREE)
pnv_pci_ioda_tce_invalidate(tbl, tces, tcep - 1);