---

yaml --- r: 120155 b: refs/heads/master c: da9fdc8 h: refs/heads/master i: 120153: 78aa371 120151: 58085ef v: v3
git-mirror · Dec 22, 2008 · a4ab366 · a4ab366
1 parent 33d0bf3
commit a4ab366
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 78fb40263f34c65ade1693664db1af168d479588
+refs/heads/master: da9fdc8b44c421f14a68988ae4d1fb414d5edbf0
diff --git a/trunk/arch/sh/mm/consistent.c b/trunk/arch/sh/mm/consistent.c
@@ -42,6 +42,8 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
 		return NULL;
 	}
 
+	split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order);
+
 	*dma_handle = virt_to_phys(ret);
 	return ret_nocache;
 }
@@ -51,10 +53,13 @@ void dma_free_coherent(struct device *dev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle)
 {
 	int order = get_order(size);
+	unsigned long pfn = dma_handle >> PAGE_SHIFT;
+	int k;
 
 	if (!dma_release_from_coherent(dev, order, vaddr)) {
 		WARN_ON(irqs_disabled());	/* for portability */
-		free_pages((unsigned long)phys_to_virt(dma_handle), order);
+		for (k = 0; k < (1 << order); k++)
+			__free_pages(pfn_to_page(pfn + k), 0);
 		iounmap(vaddr);
 	}
 }