[PATCH 2/3] dmaengine: mv_xor: use offset_in_page() macro
From: Geliang Tang
Date: Fri Apr 21 2017 - 21:18:53 EST
Use offset_in_page() macro instead of open-coding.
Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx>
---
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