X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=arch%2Farm%2Fmm%2Fconsistent.c;h=db7b3e38ef1d1410287f8ca7a84cd435e73f5c2c;hb=42e7b09e688bf86c032ca36ddb65cc548bb6147f;hp=1f9f94f9af4bac8d99137cad55204afcc279c0e4;hpb=cb553c480078759014096bc766dc76400e1d8397;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c
index 1f9f94f9af4..db7b3e38ef1 100644
--- a/arch/arm/mm/consistent.c
+++ b/arch/arm/mm/consistent.c
@@ -274,6 +274,11 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
 void *
 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp)
 {
+	void *memory;
+
+	if (dma_alloc_from_coherent(dev, size, handle, &memory))
+		return memory;
+
 	if (arch_is_coherent()) {
 		void *virt;
 
@@ -322,7 +327,6 @@ static int dma_mmap(struct device *dev, struct vm_area_struct *vma,
 
 		if (off < kern_size &&
 		    user_size <= (kern_size - off)) {
-			vma->vm_flags |= VM_RESERVED;
 			ret = remap_pfn_range(vma, vma->vm_start,
 					      page_to_pfn(c->vm_pages) + off,
 					      user_size << PAGE_SHIFT,
@@ -363,6 +367,9 @@ void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr
 
 	WARN_ON(irqs_disabled());
 
+	if (dma_release_from_coherent(dev, get_order(size), cpu_addr))
+		return;
+
 	if (arch_is_coherent()) {
 		kfree(cpu_addr);
 		return;
@@ -481,7 +488,7 @@ core_initcall(consistent_init);
  * platforms with CONFIG_DMABOUNCE.
  * Use the driver DMA support - see dma-mapping.h (dma_sync_*)
  */
-void consistent_sync(const void *start, size_t size, int direction)
+void dma_cache_maint(const void *start, size_t size, int direction)
 {
 	const void *end = start + size;
 
@@ -504,4 +511,4 @@ void consistent_sync(const void *start, size_t size, int direction)
 		BUG();
 	}
 }
-EXPORT_SYMBOL(consistent_sync);
+EXPORT_SYMBOL(dma_cache_maint);