commit 3f2bc4d6eb5a4fada842462ba22bb6bbb41d00c7
author Bryan Huntsman <bryanh@codeaurora.org> Tue Aug 16 17:27:22 2011 -0700
committer Bryan Huntsman <bryanh@codeaurora.org> Mon Oct 03 09:57:10 2011 -0700
tree 088e0646c8abcbde263d13ee865ba69032ac86dd
parent f06154cc47399dfdb3950d3e6b71d67ee186f69d

Initial Contribution

msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>

arch/arm/include/asm/cacheflush.h

diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 1252a26..584fe0b 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -87,6 +87,21 @@
  *	DMA Cache Coherency
  *	===================
  *
+ *	dma_inv_range(start, end)
+ *
+ *		Invalidate (discard) the specified virtual address range.
+ *		May not write back any entries.  If 'start' or 'end'
+ *		are not cache line aligned, those lines must be written
+ *		back.
+ *		- start  - virtual start address
+ *		- end    - virtual end address
+ *
+ *	dma_clean_range(start, end)
+ *
+ *		Clean (write back) the specified virtual address range.
+ *		- start  - virtual start address
+ *		- end    - virtual end address
+ *
  *	dma_flush_range(start, end)
  *
  *		Clean and invalidate the specified virtual address range.
@@ -107,6 +122,8 @@
 	void (*dma_map_area)(const void *, size_t, int);
 	void (*dma_unmap_area)(const void *, size_t, int);
 
+	void (*dma_inv_range)(const void *, const void *);
+	void (*dma_clean_range)(const void *, const void *);
 	void (*dma_flush_range)(const void *, const void *);
 };
 
@@ -133,6 +150,8 @@
  */
 #define dmac_map_area			cpu_cache.dma_map_area
 #define dmac_unmap_area			cpu_cache.dma_unmap_area
+#define dmac_inv_range			cpu_cache.dma_inv_range
+#define dmac_clean_range		cpu_cache.dma_clean_range
 #define dmac_flush_range		cpu_cache.dma_flush_range
 
 #else
@@ -153,6 +172,8 @@
  */
 extern void dmac_map_area(const void *, size_t, int);
 extern void dmac_unmap_area(const void *, size_t, int);
+extern void dmac_inv_range(const void *, const void *);
+extern void dmac_clean_range(const void *, const void *);
 extern void dmac_flush_range(const void *, const void *);
 
 #endif