diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/iommu.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 176f1f39d2d..5377dd4b849 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; @@ -135,9 +138,11 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, u64 rpn; long l, limit; - if (npages == 1) - return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, - direction); + if (npages == 1) { + tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, + direction, attrs); + return; + } tcep = __get_cpu_var(tce_page); @@ -147,9 +152,11 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, if (!tcep) { tcep = (u64 *)__get_free_page(GFP_ATOMIC); /* If allocation fails, fall back to the loop implementation */ - if (!tcep) - return tce_build_pSeriesLP(tbl, tcenum, npages, - uaddr, direction); + if (!tcep) { + tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, + direction, attrs); + return; + } __get_cpu_var(tce_page) = tcep; } |