[MTD][MTDPART] Fix a division by zero bug

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / pci-swiotlb_64.c

diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c
index 102866d729a5a244f368b258150ec2718087467c..490da7f4b8d0dd8e29abf7ddd2e11b01fe19f196 100644 (file)
--- a/arch/x86/kernel/pci-swiotlb_64.c
+++ b/arch/x86/kernel/pci-swiotlb_64.c
@@ -10,13 +10,19 @@
 #include <asm/dma.h>
 
 int swiotlb __read_mostly;
-EXPORT_SYMBOL(swiotlb);
+
+static dma_addr_t
+swiotlb_map_single_phys(struct device *hwdev, phys_addr_t paddr, size_t size,
+                       int direction)
+{
+       return swiotlb_map_single(hwdev, phys_to_virt(paddr), size, direction);
+}
 
 const struct dma_mapping_ops swiotlb_dma_ops = {
        .mapping_error = swiotlb_dma_mapping_error,
        .alloc_coherent = swiotlb_alloc_coherent,
        .free_coherent = swiotlb_free_coherent,
-       .map_single = swiotlb_map_single,
+       .map_single = swiotlb_map_single_phys,
        .unmap_single = swiotlb_unmap_single,
        .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
        .sync_single_for_device = swiotlb_sync_single_for_device,