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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>
This commit is contained in:
Benjamin Herrenschmidt 2013-05-20 17:25:15 +00:00
parent bee7dd9c5f
commit 605e44d6e6
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/platforms/powernv/pci.c
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@ -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);
}