dma-mapping: implement dmam_alloc_coherent using dmam_alloc_attrs

[linux-2.6-microblaze.git] / kernel / dma / mapping.c

diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index d7c34d2..f00544c 100644 (file)
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -45,45 +45,6 @@ static int dmam_match(struct device *dev, void *res, void *match_data)
        return 0;
 }
 
-/**
- * dmam_alloc_coherent - Managed dma_alloc_coherent()
- * @dev: Device to allocate coherent memory for
- * @size: Size of allocation
- * @dma_handle: Out argument for allocated DMA handle
- * @gfp: Allocation flags
- *
- * Managed dma_alloc_coherent().  Memory allocated using this function
- * will be automatically released on driver detach.
- *
- * RETURNS:
- * Pointer to allocated memory on success, NULL on failure.
- */
-void *dmam_alloc_coherent(struct device *dev, size_t size,
-                          dma_addr_t *dma_handle, gfp_t gfp)
-{
-       struct dma_devres *dr;
-       void *vaddr;
-
-       dr = devres_alloc(dmam_release, sizeof(*dr), gfp);
-       if (!dr)
-               return NULL;
-
-       vaddr = dma_alloc_coherent(dev, size, dma_handle, gfp);
-       if (!vaddr) {
-               devres_free(dr);
-               return NULL;
-       }
-
-       dr->vaddr = vaddr;
-       dr->dma_handle = *dma_handle;
-       dr->size = size;
-
-       devres_add(dev, dr);
-
-       return vaddr;
-}
-EXPORT_SYMBOL(dmam_alloc_coherent);
-
 /**
  * dmam_free_coherent - Managed dma_free_coherent()
  * @dev: Device to free coherent memory for