powerpc/dma: Use the struct dma_attrs in iommu code

Update iommu_alloc() to take the struct dma_attrs and pass them on to
tce_build(). This change propagates down to the tce_build functions of
all the platforms.

Signed-off-by: Mark Nelson <markn@au1.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 9 insertions, 5 deletions

diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 9a12908510fb..5377dd4b849a 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -50,7 +50,8 @@
 
 static void tce_build_pSeries(struct iommu_table *tbl, long index,
                               long npages, unsigned long uaddr,
-                              enum dma_data_direction direction)
+                              enum dma_data_direction direction,
+                              struct dma_attrs *attrs)
 {
         u64 proto_tce;
         u64 *tcep;
@@ -95,7 +96,8 @@ static unsigned long tce_get_pseries(struct iommu_table *tbl, long index)
 
 static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
                                 long npages, unsigned long uaddr,
-                                enum dma_data_direction direction)
+                                enum dma_data_direction direction,
+                                struct dma_attrs *attrs)
 {
         u64 rc;
         u64 proto_tce, tce;
@@ -127,7 +129,8 @@ static DEFINE_PER_CPU(u64 *, tce_page) = NULL;
 
 static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
                                      long npages, unsigned long uaddr,
-                                     enum dma_data_direction direction)
+                                     enum dma_data_direction direction,
+                                     struct dma_attrs *attrs)
 {
         u64 rc;
         u64 proto_tce;
@@ -136,7 +139,8 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
         long l, limit;
 
         if (npages == 1) {
-                tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, direction);
+                tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
+                                    direction, attrs);
                 return;
         }
 
@@ -150,7 +154,7 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
                 /* If allocation fails, fall back to the loop implementation */
                 if (!tcep) {
                         tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
-                                            direction);
+                                            direction, attrs);
                         return;
                 }
                 __get_cpu_var(tce_page) = tcep;