dma-mapping: remove dmam_free_noncoherent

This function was never used since it was added. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org>
mariux64 · Jun 28, 2017 · 03b6438 · 03b6438
1 parent 72eed06
commit 03b6438
Showing 3 changed files with 0 additions and 23 deletions.
diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt
@@ -243,7 +243,6 @@ DMA
   dmam_alloc_noncoherent()
   dmam_declare_coherent_memory()
   dmam_free_coherent()
-  dmam_free_noncoherent()
   dmam_pool_create()
   dmam_pool_destroy()
 

diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
@@ -148,26 +148,6 @@ void *dmam_alloc_noncoherent(struct device *dev, size_t size,
 }
 EXPORT_SYMBOL(dmam_alloc_noncoherent);
 
-/**
- * dmam_free_coherent - Managed dma_free_noncoherent()
- * @dev: Device to free noncoherent memory for
- * @size: Size of allocation
- * @vaddr: Virtual address of the memory to free
- * @dma_handle: DMA handle of the memory to free
- *
- * Managed dma_free_noncoherent().
- */
-void dmam_free_noncoherent(struct device *dev, size_t size, void *vaddr,
-			   dma_addr_t dma_handle)
-{
-	struct dma_devres match_data = { size, vaddr, dma_handle };
-
-	dma_free_noncoherent(dev, size, vaddr, dma_handle);
-	WARN_ON(!devres_destroy(dev, dmam_noncoherent_release, dmam_match,
-				&match_data));
-}
-EXPORT_SYMBOL(dmam_free_noncoherent);
-
 #ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT
 
 static void dmam_coherent_decl_release(struct device *dev, void *res)

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
@@ -736,8 +736,6 @@ extern void dmam_free_coherent(struct device *dev, size_t size, void *vaddr,
 			       dma_addr_t dma_handle);
 extern void *dmam_alloc_noncoherent(struct device *dev, size_t size,
 				    dma_addr_t *dma_handle, gfp_t gfp);
-extern void dmam_free_noncoherent(struct device *dev, size_t size, void *vaddr,
-				  dma_addr_t dma_handle);
 #ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT
 extern int dmam_declare_coherent_memory(struct device *dev,
 					phys_addr_t phys_addr,