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Subject[PATCH 2/3] dmaengine: mv_xor: use offset_in_page() macro
Date
Use offset_in_page() macro instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
drivers/dma/mv_xor.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index ea53b87..25bc5b1 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -960,7 +960,7 @@ static int mv_chan_memcpy_self_test(struct mv_xor_chan *mv_chan)
}

src_dma = dma_map_page(dma_chan->device->dev, virt_to_page(src),
- (size_t)src & ~PAGE_MASK, PAGE_SIZE,
+ offset_in_page(src), PAGE_SIZE,
DMA_TO_DEVICE);
unmap->addr[0] = src_dma;

@@ -972,7 +972,7 @@ static int mv_chan_memcpy_self_test(struct mv_xor_chan *mv_chan)
unmap->to_cnt = 1;

dest_dma = dma_map_page(dma_chan->device->dev, virt_to_page(dest),
- (size_t)dest & ~PAGE_MASK, PAGE_SIZE,
+ offset_in_page(dest), PAGE_SIZE,
DMA_FROM_DEVICE);
unmap->addr[1] = dest_dma;

--
2.9.3
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