DMA_CHECK was unhappy:
mv_xor mv_xor.0: DMA-API: device driver tries to sync DMA memory it has not 
allocated [device address=0x000000001f3a1a40] [size=2000 bytes]

Deallocation, which involves a sync, happens automatically by
mv_xor_slot_cleanup() once the transfer is finished.

Signed-off-by: Lubomir Rintel <lkund...@v3.sk>
---
 drivers/dma/mv_xor.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index e666983..8b81a04 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -960,8 +960,6 @@ static int mv_xor_memcpy_self_test(struct mv_xor_chan 
*mv_chan)
                goto free_resources;
        }
 
-       dma_sync_single_for_cpu(dma_chan->device->dev, dest_dma,
-                               MV_XOR_TEST_SIZE, DMA_FROM_DEVICE);
        if (memcmp(src, dest, MV_XOR_TEST_SIZE)) {
                dev_err(dma_chan->device->dev,
                        "Self-test copy failed compare, disabling\n");
@@ -1054,8 +1052,6 @@ mv_xor_xor_self_test(struct mv_xor_chan *mv_chan)
                goto free_resources;
        }
 
-       dma_sync_single_for_cpu(dma_chan->device->dev, dest_dma,
-                               PAGE_SIZE, DMA_FROM_DEVICE);
        for (i = 0; i < (PAGE_SIZE / sizeof(u32)); i++) {
                u32 *ptr = page_address(dest);
                if (ptr[i] != cmp_word) {
-- 
1.7.1

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