backports: wrap dma_set_mask_and_coherent in LINUX_BACKPORT()

To avoid conflicts with any distribution kernel wrap
dma_set_mask_and_coherent with LINUX_BACKPORT().

Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>

diff --git a/backport/backport-include/linux/dma-mapping.h b/backport/backport-include/linux/dma-mapping.h
index 9b2bc9058bce110cdec691f65f751903d751ea2d..fdc3331b63fb954240e9f2a150a6f8f2d25e8a3b 100644 (file)
--- a/backport/backport-include/linux/dma-mapping.h
+++ b/backport/backport-include/linux/dma-mapping.h
@@ -22,6 +22,7 @@ static inline void *dma_zalloc_coherent(struct device *dev, size_t size,
  * as the DMA API guarantees that the coherent DMA mask can be set to
  * the same or smaller than the streaming DMA mask.
  */
+#define dma_set_mask_and_coherent LINUX_BACKPORT(dma_set_mask_and_coherent)
 static inline int dma_set_mask_and_coherent(struct device *dev, u64 mask)
 {
        int rc = dma_set_mask(dev, mask);