Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932183Ab3JRRgL (ORCPT ); Fri, 18 Oct 2013 13:36:11 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:17913 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932108Ab3JRRgC (ORCPT ); Fri, 18 Oct 2013 13:36:02 -0400 X-AuditID: cbfee61a-b7f7a6d00000235f-ba-52617180aaf4 From: Bartlomiej Zolnierkiewicz To: dan.j.williams@intel.com Cc: vinod.koul@intel.com, dave.jiang@intel.com, t.figa@samsung.com, kyungmin.park@samsung.com, linux@arm.linux.org.uk, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com, Dan Williams , Andy Shevchenko Subject: [PATCH v2 01/13] dmatest: make driver unmap also source buffers by itself Date: Fri, 18 Oct 2013 19:35:21 +0200 Message-id: <1382117733-16720-2-git-send-email-b.zolnierkie@samsung.com> X-Mailer: git-send-email 1.7.10 In-reply-to: <1382117733-16720-1-git-send-email-b.zolnierkie@samsung.com> References: <1382117733-16720-1-git-send-email-b.zolnierkie@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrOLMWRmVeSWpSXmKPExsVy+t9jAd2GwsQgg1s9Gha9TdOZLDbOWM9q MX3qBUaLEzcb2Sw29z9gszjb9Ibd4vKuOWwWty/zWqyf8ZrF4mXffhYHLo+W5h42j4nN79g9 Fu95yeQx72SgR9+WVYwenzfJBbBFcdmkpOZklqUW6dslcGV8OfWMraCXt+LzxOuMDYzPuLoY OTkkBEwkfv1bzgxhi0lcuLeerYuRi0NIYBGjxNGpjxghnC4miY+LLoBVsQlYSUxsX8UIYosI yEhs+L+dGaSIWaCFSaL/22F2kISwQIjE9hNXwGwWAVWJ2btmsoDYvAIeElM2rmaCWCcv8fR+ HxuIzSngKTFt33IwWwio5tyZl2wTGHkXMDKsYhRNLUguKE5KzzXUK07MLS7NS9dLzs/dxAgO vmdSOxhXNlgcYhTgYFTi4X1glxgkxJpYVlyZe4hRgoNZSYS3zBkoxJuSWFmVWpQfX1Sak1p8 iFGag0VJnPdAq3WgkEB6YklqdmpqQWoRTJaJg1OqgXF/03X+5Teq52+U2z6B+cgc/1cRaV7N D6v+v8q+ynJ9vtP6jfslI9I2v558nUWq+cOfrbMWXOjcXb+gY4HHRf54NXP97T6b8h9wvI+I Mtkjc60tSTkq/+8Mu0ybJRf235j08dXxvBL9v4JbjDQ8EmrfmEvek9u3JCzgWJnj0qwz0Z6B L/Jc955SYinOSDTUYi4qTgQAZadk0ToCAAA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1875 Lines: 52 Make the driver DMA unmap also source buffers by itself (currently it DMA unmaps only destination buffers) as a preparation for introducing generic 'ummap' data. Cc: Dan Williams Cc: Vinod Koul Cc: Tomasz Figa Cc: Dave Jiang Cc: Andy Shevchenko Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Kyungmin Park --- drivers/dma/dmatest.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 92f796c..f4a2a25 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -597,11 +597,10 @@ static int dmatest_func(void *data) set_user_nice(current, 10); /* - * src buffers are freed by the DMAEngine code with dma_unmap_single() - * dst buffers are freed by ourselves below + * src and dst buffers are freed by ourselves below */ - flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT - | DMA_COMPL_SKIP_DEST_UNMAP | DMA_COMPL_SRC_UNMAP_SINGLE; + flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT | + DMA_COMPL_SKIP_SRC_UNMAP | DMA_COMPL_SKIP_DEST_UNMAP; while (!kthread_should_stop() && !(params->iterations && total_tests >= params->iterations)) { @@ -750,7 +749,8 @@ static int dmatest_func(void *data) continue; } - /* Unmap by myself (see DMA_COMPL_SKIP_DEST_UNMAP above) */ + /* Unmap by myself */ + unmap_src(dev->dev, dma_srcs, len, src_cnt); unmap_dst(dev->dev, dma_dsts, params->buf_size, dst_cnt); error_count = 0; -- 1.8.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/