Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932373Ab1CCRzL (ORCPT ); Thu, 3 Mar 2011 12:55:11 -0500 Received: from ovro.ovro.caltech.edu ([192.100.16.2]:38988 "EHLO ovro.ovro.caltech.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932221Ab1CCRzI (ORCPT ); Thu, 3 Mar 2011 12:55:08 -0500 From: "Ira W. Snyder" To: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, leoli@freescale.com, dan.j.williams@intel.com, "Ira W. Snyder" Subject: [PATCH v3 1/9] dmatest: fix automatic buffer unmap type Date: Thu, 3 Mar 2011 09:54:53 -0800 Message-Id: <1299174901-16762-2-git-send-email-iws@ovro.caltech.edu> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1299174901-16762-1-git-send-email-iws@ovro.caltech.edu> References: <1299174901-16762-1-git-send-email-iws@ovro.caltech.edu> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (ovro.ovro.caltech.edu); Thu, 03 Mar 2011 09:55:08 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1192 Lines: 35 The dmatest code relies on the DMAEngine API to automatically call dma_unmap_single() on src buffers. The flags it passes are incorrect, fix them. Signed-off-by: Ira W. Snyder --- drivers/dma/dmatest.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 5589358..7e1b0aa 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -285,7 +285,12 @@ static int dmatest_func(void *data) set_user_nice(current, 10); - flags = DMA_CTRL_ACK | DMA_COMPL_SKIP_DEST_UNMAP | DMA_PREP_INTERRUPT; + /* + * src buffers are freed by the DMAEngine code with dma_unmap_single() + * dst buffers are freed by ourselves below + */ + flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT + | DMA_COMPL_SKIP_DEST_UNMAP | DMA_COMPL_SRC_UNMAP_SINGLE; while (!kthread_should_stop() && !(iterations && total_tests >= iterations)) { -- 1.7.3.4 -- 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/