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Diffstat (limited to 'arch/powerpc/platforms/powernv/pci.c')
-rw-r--r--arch/powerpc/platforms/powernv/pci.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 2793b9d576e3..f72fc6e7d63d 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -577,37 +577,28 @@ int pnv_tce_build(struct iommu_table *tbl, long index, long npages,
struct dma_attrs *attrs)
{
u64 proto_tce = iommu_direction_to_tce_perm(direction);
- __be64 *tcep, *tces;
+ __be64 *tcep;
u64 rpn;
- tces = tcep = ((__be64 *)tbl->it_base) + index - tbl->it_offset;
+ tcep = ((__be64 *)tbl->it_base) + index - tbl->it_offset;
rpn = __pa(uaddr) >> tbl->it_page_shift;
while (npages--)
*(tcep++) = cpu_to_be64(proto_tce |
(rpn++ << tbl->it_page_shift));
- /* Some implementations won't cache invalid TCEs and thus may not
- * need that flush. We'll probably turn it_type into a bit mask
- * of flags if that becomes the case
- */
- if (tbl->it_type & TCE_PCI_SWINV_CREATE)
- pnv_pci_ioda_tce_invalidate(tbl, tces, tcep - 1, false);
return 0;
}
void pnv_tce_free(struct iommu_table *tbl, long index, long npages)
{
- __be64 *tcep, *tces;
+ __be64 *tcep;
- tces = tcep = ((__be64 *)tbl->it_base) + index - tbl->it_offset;
+ tcep = ((__be64 *)tbl->it_base) + index - tbl->it_offset;
while (npages--)
*(tcep++) = cpu_to_be64(0);
-
- if (tbl->it_type & TCE_PCI_SWINV_FREE)
- pnv_pci_ioda_tce_invalidate(tbl, tces, tcep - 1, false);
}
unsigned long pnv_tce_get(struct iommu_table *tbl, long index)