@@ -44,16 +44,30 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev)
#include <asm-generic/dma-mapping-common.h>
/* Make sure we keep the same behaviour */
-static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+static inline int dma_mapping_error_common(struct device *dev, u64 dma_addr)
{
struct dma_map_ops *ops = get_dma_ops(dev);
- debug_dma_mapping_error(dev, dma_addr);
if (ops->mapping_error)
return ops->mapping_error(dev, dma_addr);
return (dma_addr == DMA_ERROR_CODE);
}
+static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+ debug_dma_mapping_error(dev, dma_addr);
+ return dma_mapping_error_common(dev, (u64)dma_addr);
+}
+
+#ifdef CONFIG_HAS_DMA_P2P
+static inline int dma_peer_mapping_error(struct device *dev,
+ dma_peer_addr_t dma_addr)
+{
+ debug_dma_peer_mapping_error(dev, dma_addr);
+ return dma_mapping_error_common(dev, (u64)dma_addr);
+}
+#endif
+
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
Identical implementation to dma_mapping_error(), but accepts values returned from the new dma_map_peer_resource() API. Signed-off-by: Will Davis <wdavis@nvidia.com> --- arch/x86/include/asm/dma-mapping.h | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-)