[3/6] arm: add mm API for DMA to vmalloc/vmap areas

Commit Message

James Bottomley Nov. 17, 2009, 5:03 p.m. UTC

None

Patch

diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 1a711ea..1104ee9 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -436,6 +436,16 @@  static inline void flush_kernel_dcache_page(struct page *page)
 	if ((cache_is_vivt() || cache_is_vipt_aliasing()) && !PageHighMem(page))
 		__cpuc_flush_dcache_page(page_address(page));
 }
+static inline void flush_kernel_dcache_addr(void *addr)
+{
+	if ((cache_is_vivt() || cache_is_vipt_aliasing()))
+		__cpuc_flush_dcache_page(addr);
+}
+static inline void invalidate_kernel_dcache_addr(void *addr)
+{
+	if ((cache_is_vivt() || cache_is_vipt_aliasing()))
+		__cpuc_flush_dcache_page(addr);
+}
 
 #define flush_dcache_mmap_lock(mapping) \
 	spin_lock_irq(&(mapping)->tree_lock)