From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1427197AbdDVBSu (ORCPT ); Fri, 21 Apr 2017 21:18:50 -0400 Received: from mail-it0-f68.google.com ([209.85.214.68]:35104 "EHLO mail-it0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1427181AbdDVBSs (ORCPT ); Fri, 21 Apr 2017 21:18:48 -0400 From: Geliang Tang To: Dan Williams , Vinod Koul , Andrew Morton , Ingo Molnar Cc: Geliang Tang , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] dmaengine: mv_xor: use offset_in_page() macro Date: Sat, 22 Apr 2017 09:18:04 +0800 Message-Id: <517217f3a0e0c85f745054ad1f00d5de90ea9650.1492757182.git.geliangtang@gmail.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <5b8a96f45462de15e1713b8022b0e72d4f2231f6.1492757182.git.geliangtang@gmail.com> References: <5b8a96f45462de15e1713b8022b0e72d4f2231f6.1492757182.git.geliangtang@gmail.com> In-Reply-To: <5b8a96f45462de15e1713b8022b0e72d4f2231f6.1492757182.git.geliangtang@gmail.com> References: <5b8a96f45462de15e1713b8022b0e72d4f2231f6.1492757182.git.geliangtang@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use offset_in_page() macro instead of open-coding. Signed-off-by: Geliang Tang --- 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