powerpc/pseries: Fix software invalidate TCE

The following added support for powernv but broke pseries/BML:
 1f1616e powerpc/powernv: Add TCE SW invalidation support

TCE_PCI_SW_INVAL was split into FREE and CREATE flags but the tests in
the pseries code were not updated to reflect this.

Signed-off-by: Michael Neuling <mikey@neuling.org>
cc: stable@kernel.org [v3.3+]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 0915b1a..2d311c0 100644 (file)
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -106,7 +106,7 @@ static int tce_build_pSeries(struct iommu_table *tbl, long index,
                tcep++;
        }
 
-       if (tbl->it_type == TCE_PCI_SWINV_CREATE)
+       if (tbl->it_type & TCE_PCI_SWINV_CREATE)
                tce_invalidate_pSeries_sw(tbl, tces, tcep - 1);
        return 0;
 }
@@ -121,7 +121,7 @@ static void tce_free_pSeries(struct iommu_table *tbl, long index, long npages)
        while (npages--)
                *(tcep++) = 0;
 
-       if (tbl->it_type == TCE_PCI_SWINV_FREE)
+       if (tbl->it_type & TCE_PCI_SWINV_FREE)
                tce_invalidate_pSeries_sw(tbl, tces, tcep - 1);
 }