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Commit 03b64386 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

dma-mapping: remove dmam_free_noncoherent 



This function was never used since it was added.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatarTejun Heo <tj@kernel.org>
parent 72eed063

Documentation/driver-model/devres.txt

+0 −1
Original line number Diff line number Diff line
@@ -243,7 +243,6 @@ DMA 
  dmam_alloc_noncoherent()

  dmam_declare_coherent_memory()

  dmam_free_coherent()

  dmam_free_noncoherent()

  dmam_pool_create()

  dmam_pool_destroy()

drivers/base/dma-mapping.c

+0 −20
Original line number Diff line number Diff line
@@ -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)

include/linux/dma-mapping.h

+0 −2
Original line number Diff line number Diff line
@@ -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,