X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fpci-nommu.c;h=c70ab5a5d4c886a0856de8e0f313a97048d2c328;hb=a8416961d32d8bb757bcbb86b72042b66d044510;hp=3f91f71cdc3eac766be0891511afd738001c6918;hpb=eda3d8f5604860aae1bb9996bb5efc4213778369;p=linux-2.6-omap-h63xx.git

diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c
index 3f91f71cdc3..c70ab5a5d4c 100644
--- a/arch/x86/kernel/pci-nommu.c
+++ b/arch/x86/kernel/pci-nommu.c
@@ -14,7 +14,7 @@
 static int
 check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size)
 {
-	if (hwdev && bus + size > *hwdev->dma_mask) {
+	if (hwdev && !is_buffer_dma_capable(*hwdev->dma_mask, bus, size)) {
 		if (*hwdev->dma_mask >= DMA_32BIT_MASK)
 			printk(KERN_ERR
 			    "nommu_%s: overflow %Lx+%zu of device mask %Lx\n",
@@ -72,7 +72,15 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
 	return nents;
 }
 
+static void nommu_free_coherent(struct device *dev, size_t size, void *vaddr,
+				dma_addr_t dma_addr)
+{
+	free_pages((unsigned long)vaddr, get_order(size));
+}
+
 struct dma_mapping_ops nommu_dma_ops = {
+	.alloc_coherent = dma_generic_alloc_coherent,
+	.free_coherent = nommu_free_coherent,
 	.map_single = nommu_map_single,
 	.map_sg = nommu_map_sg,
 	.is_phys = 1,