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Commit 105ef9a0 authored Nov 21, 2006 by Dan Williams Committed by Russell King Nov 22, 2006

[ARM] 3942/1: ARM: comment: consistent_sync should not be called directly



/*
 * Note: Drivers should NOT use this function directly, as it will break
 * platforms with CONFIG_DMABOUNCE.
 * Use the driver DMA support - see dma-mapping.h (dma_sync_*)
 */

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 8de35efb

arch/arm/mm/consistent.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -476,6 +476,9 @@ core_initcall(consistent_init);

		/*
		* Make an area consistent for devices.
		* Note: Drivers should NOT use this function directly, as it will break
		* platforms with CONFIG_DMABOUNCE.
		* Use the driver DMA support - see dma-mapping.h (dma_sync_*)
		*/
		void consistent_sync(void *vaddr, size_t size, int direction)
		{

include/asm-arm/dma-mapping.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,10 @@
		* uncached, unwrite-buffered mapped memory space for use with DMA
		* devices. This is the "generic" version. The PCI specific version
		* is in pci.h
		*
		* Note: Drivers should NOT use this function directly, as it will break
		* platforms with CONFIG_DMABOUNCE.
		* Use the driver DMA support - see dma-mapping.h (dma_sync_*)
		*/
		extern void consistent_sync(void *kaddr, size_t size, int rw);