Merge branch 'irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / pci-nommu.c

diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c
index 792b9179eff315ecf3ae26e7e1635073e1a42c26..c70ab5a5d4c886a0856de8e0f313a97048d2c328 100644 (file)
--- 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",
@@ -72,21 +72,17 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
        return nents;
 }
 
-/* Make sure we keep the same behaviour */
-static int nommu_mapping_error(dma_addr_t dma_addr)
+static void nommu_free_coherent(struct device *dev, size_t size, void *vaddr,
+                               dma_addr_t dma_addr)
 {
-#ifdef CONFIG_X86_32
-       return 0;
-#else
-       return (dma_addr == bad_dma_address);
-#endif
+       free_pages((unsigned long)vaddr, get_order(size));
 }
 
-
-const struct dma_mapping_ops nommu_dma_ops = {
+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,
-       .mapping_error = nommu_mapping_error,
        .is_phys = 1,
 };