From: Geliang Tang Date: Sat, 22 Apr 2017 01:18:03 +0000 (+0800) Subject: dmaengine: dmatest: use offset_in_page() macro X-Git-Tag: Ubuntu-4.12.0-11.12~1144^2~10 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=f62e5f613e124911b955e4a804a5fceb37c82993;p=mirror_ubuntu-artful-kernel.git 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 --- 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);