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-rw-r--r--arch/powerpc/kernel/dma-swiotlb.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index 59c928564a03..02f724f36753 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -1,7 +1,8 @@
1/* 1/*
2 * Contains routines needed to support swiotlb for ppc. 2 * Contains routines needed to support swiotlb for ppc.
3 * 3 *
4 * Copyright (C) 2009 Becky Bruce, Freescale Semiconductor 4 * Copyright (C) 2009-2010 Freescale Semiconductor, Inc.
5 * Author: Becky Bruce
5 * 6 *
6 * This program is free software; you can redistribute it and/or modify it 7 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the 8 * under the terms of the GNU General Public License as published by the
@@ -38,8 +39,8 @@ struct dma_map_ops swiotlb_dma_ops = {
38 .dma_supported = swiotlb_dma_supported, 39 .dma_supported = swiotlb_dma_supported,
39 .map_page = swiotlb_map_page, 40 .map_page = swiotlb_map_page,
40 .unmap_page = swiotlb_unmap_page, 41 .unmap_page = swiotlb_unmap_page,
41 .sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu, 42 .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
42 .sync_single_range_for_device = swiotlb_sync_single_range_for_device, 43 .sync_single_for_device = swiotlb_sync_single_for_device,
43 .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu, 44 .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
44 .sync_sg_for_device = swiotlb_sync_sg_for_device, 45 .sync_sg_for_device = swiotlb_sync_sg_for_device,
45 .mapping_error = swiotlb_dma_mapping_error, 46 .mapping_error = swiotlb_dma_mapping_error,
@@ -70,7 +71,7 @@ static int ppc_swiotlb_bus_notify(struct notifier_block *nb,
70 sd->max_direct_dma_addr = 0; 71 sd->max_direct_dma_addr = 0;
71 72
72 /* May need to bounce if the device can't address all of DRAM */ 73 /* May need to bounce if the device can't address all of DRAM */
73 if (dma_get_mask(dev) < lmb_end_of_DRAM()) 74 if ((dma_get_mask(dev) + 1) < memblock_end_of_DRAM())
74 set_dma_ops(dev, &swiotlb_dma_ops); 75 set_dma_ops(dev, &swiotlb_dma_ops);
75 76
76 return NOTIFY_DONE; 77 return NOTIFY_DONE;