From f62e5f613e124911b955e4a804a5fceb37c82993 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Sat, 22 Apr 2017 09:18:03 +0800 Subject: [PATCH] dmaengine: dmatest: use offset_in_page() macro Use offset_in_page() macro instead of open-coding. Signed-off-by: Geliang Tang Signed-off-by: Vinod Koul --- drivers/dma/dmatest.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 54d581d..d042b2b 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); -- 2.7.4