[ARM] Convert DMA cache handling to take const void * args

The DMA cache handling functions take virtual addresses, but in the
form of unsigned long arguments.  This leads to a little confusion
about what exactly they take.  So, convert them to take const void *
instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 7 insertions, 7 deletions

diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index ce60b3702ba5..afad32c76e6c 100644
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -185,9 +185,9 @@ struct cpu_cache_fns {
         void (*coherent_user_range)(unsigned long, unsigned long);
         void (*flush_kern_dcache_page)(void *);
 
-        void (*dma_inv_range)(unsigned long, unsigned long);
-        void (*dma_clean_range)(unsigned long, unsigned long);
-        void (*dma_flush_range)(unsigned long, unsigned long);
+        void (*dma_inv_range)(const void *, const void *);
+        void (*dma_clean_range)(const void *, const void *);
+        void (*dma_flush_range)(const void *, const void *);
 };
 
 struct outer_cache_fns {
@@ -246,9 +246,9 @@ extern void __cpuc_flush_dcache_page(void *);
 #define dmac_clean_range                __glue(_CACHE,_dma_clean_range)
 #define dmac_flush_range                __glue(_CACHE,_dma_flush_range)
 
-extern void dmac_inv_range(unsigned long, unsigned long);
-extern void dmac_clean_range(unsigned long, unsigned long);
-extern void dmac_flush_range(unsigned long, unsigned long);
+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
 
diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h
index 9bc46b486afb..a1d574cdcc14 100644
--- a/include/asm-arm/dma-mapping.h
+++ b/include/asm-arm/dma-mapping.h
@@ -17,7 +17,7 @@
  * 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);
+extern void consistent_sync(const void *kaddr, size_t size, int rw);
 
 /*
  * Return whether the given device DMA address mask can be supported