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authorGeliang Tang <geliangtang@gmail.com>2017-04-22 09:18:03 +0800
committerVinod Koul <vinod.koul@intel.com>2017-04-24 18:40:03 +0530
commitf62e5f613e124911b955e4a804a5fceb37c82993 (patch)
tree5a797ef8ff5a1fca4b6cf9aef920fb5446633c1d /drivers/dma/dmatest.c
parent57192245bc074710ea1a128d39ecc429455ac815 (diff)
downloadlinux-f62e5f613e124911b955e4a804a5fceb37c82993.tar.bz2
dmaengine: dmatest: use offset_in_page() macro
Use offset_in_page() macro instead of open-coding. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/dmatest.c')
-rw-r--r--drivers/dma/dmatest.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 54d581d407aa..d042b2b4965e 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -585,7 +585,7 @@ static int dmatest_func(void *data)
for (i = 0; i < src_cnt; i++) {
void *buf = thread->srcs[i];
struct page *pg = virt_to_page(buf);
- unsigned pg_off = (unsigned long) buf & ~PAGE_MASK;
+ unsigned long pg_off = offset_in_page(buf);
um->addr[i] = dma_map_page(dev->dev, pg, pg_off,
um->len, DMA_TO_DEVICE);
@@ -605,7 +605,7 @@ static int dmatest_func(void *data)
for (i = 0; i < dst_cnt; i++) {
void *buf = thread->dsts[i];
struct page *pg = virt_to_page(buf);
- unsigned pg_off = (unsigned long) buf & ~PAGE_MASK;
+ unsigned long pg_off = offset_in_page(buf);
dsts[i] = dma_map_page(dev->dev, pg, pg_off, um->len,
DMA_BIDIRECTIONAL);