From patchwork Mon Jan 28 06:08:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Angus Ainslie X-Patchwork-Id: 10783249 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 73F9B14E1 for ; Mon, 28 Jan 2019 06:09:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5FFE42A222 for ; Mon, 28 Jan 2019 06:09:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4DCC32A22A; Mon, 28 Jan 2019 06:09:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 022362A222 for ; Mon, 28 Jan 2019 06:09:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726774AbfA1GIx (ORCPT ); Mon, 28 Jan 2019 01:08:53 -0500 Received: from node.akkea.ca ([192.155.83.177]:59460 "EHLO node.akkea.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726150AbfA1GIw (ORCPT ); Mon, 28 Jan 2019 01:08:52 -0500 Received: from localhost (localhost [127.0.0.1]) by node.akkea.ca (Postfix) with ESMTP id 72BFE4E204D; Mon, 28 Jan 2019 06:08:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akkea.ca; s=mail; t=1548655732; bh=aJyv2Anmq+fMmh2Gi9/xrGD4eRTLdWMOQTdSRYOpd8c=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=wb+JVtYh3oZyNQa4t16L6fvOlK1dtxqZTyQKc8MZnCu4Kg4LWaWRuBYdasChj/oAa j9AG1IgC9MMv016EOWBL6LMJDp97cw4ukLlRNQRnmlQSa8U/BFbEHhaRz+qhORVl9l Pn3UNS6oRzKXArGRJaHsIB+Z9IzCbwNSU2WIkQMs= X-Virus-Scanned: Debian amavisd-new at mail.akkea.ca Received: from node.akkea.ca ([127.0.0.1]) by localhost (mail.akkea.ca [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id h5e4iN8c030o; Mon, 28 Jan 2019 06:08:52 +0000 (UTC) Received: from localhost.localdomain (198-48-167-13.cpe.pppoe.ca [198.48.167.13]) by node.akkea.ca (Postfix) with ESMTPSA id 868DD4E204B; Mon, 28 Jan 2019 06:08:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akkea.ca; s=mail; t=1548655732; bh=aJyv2Anmq+fMmh2Gi9/xrGD4eRTLdWMOQTdSRYOpd8c=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=wb+JVtYh3oZyNQa4t16L6fvOlK1dtxqZTyQKc8MZnCu4Kg4LWaWRuBYdasChj/oAa j9AG1IgC9MMv016EOWBL6LMJDp97cw4ukLlRNQRnmlQSa8U/BFbEHhaRz+qhORVl9l Pn3UNS6oRzKXArGRJaHsIB+Z9IzCbwNSU2WIkQMs= From: "Angus Ainslie (Purism)" To: angus@akkea.ca Cc: angus.ainslie@puri.sm, Vinod Koul , dmaengine@vger.kernel.org, NXP Linux Team , Pengutronix Kernel Team , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Lucas Stach , Daniel Baluta Subject: [PATCH v5 5/5] dmaengine: imx-sdma: fix consistent dma test failures Date: Sun, 27 Jan 2019 23:08:40 -0700 Message-Id: <20190128060840.31695-6-angus@akkea.ca> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190128060840.31695-1-angus@akkea.ca> References: <20190120023150.17138-1-angus@akkea.ca> <20190128060840.31695-1-angus@akkea.ca> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Without the copy being aligned sdma1 fails ~10% of the time Signed-off-by: Angus Ainslie (Purism) --- drivers/dma/imx-sdma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index d5f86becf59e..88910ec09568 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -2118,6 +2118,7 @@ static int sdma_probe(struct platform_device *pdev) sdma->dma_device.device_prep_dma_memcpy = sdma_prep_memcpy; sdma->dma_device.device_issue_pending = sdma_issue_pending; sdma->dma_device.dev->dma_parms = &sdma->dma_parms; + sdma->dma_device.copy_align = 2; dma_set_max_seg_size(sdma->dma_device.dev, SDMA_BD_MAX_CNT); platform_set_drvdata(pdev, sdma);