From patchwork Mon Jan 28 16:03:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Angus Ainslie X-Patchwork-Id: 10783945 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 A0EDB14E1 for ; Mon, 28 Jan 2019 16:04:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 915852B8E4 for ; Mon, 28 Jan 2019 16:04:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8525A2B91F; Mon, 28 Jan 2019 16:04:41 +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 632DA2B8E4 for ; Mon, 28 Jan 2019 16:04:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731631AbfA1QEi (ORCPT ); Mon, 28 Jan 2019 11:04:38 -0500 Received: from node.akkea.ca ([192.155.83.177]:48278 "EHLO node.akkea.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731622AbfA1QEi (ORCPT ); Mon, 28 Jan 2019 11:04:38 -0500 Received: from localhost (localhost [127.0.0.1]) by node.akkea.ca (Postfix) with ESMTP id 82E3F4E2050; Mon, 28 Jan 2019 16:04:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akkea.ca; s=mail; t=1548691477; bh=J7FDNerUzu+c8gJAAHJsx3fEWW03ezFNiCXJWstnopY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Pdi7HOeDTff0lwHqmDv1isZrwh2zGigGDmTauCj+xzTkALue16Pxxeunh0YUSuTab pgPSxtacyzurFT+C2ErrLyFqSE8PD1PN1QKDEqLHoDQa/UdX8v8OjAqRbl7oP/KJpo tN/EQIa5rpfNj5XI3LVlYS31B0kC99NhH/48wGUs= 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 YivCd2jEN6LV; Mon, 28 Jan 2019 16:04:37 +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 953DB4E204D; Mon, 28 Jan 2019 16:04:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akkea.ca; s=mail; t=1548691477; bh=J7FDNerUzu+c8gJAAHJsx3fEWW03ezFNiCXJWstnopY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Pdi7HOeDTff0lwHqmDv1isZrwh2zGigGDmTauCj+xzTkALue16Pxxeunh0YUSuTab pgPSxtacyzurFT+C2ErrLyFqSE8PD1PN1QKDEqLHoDQa/UdX8v8OjAqRbl7oP/KJpo tN/EQIa5rpfNj5XI3LVlYS31B0kC99NhH/48wGUs= 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 v6 3/3] dmaengine: imx-sdma: fix consistent dma test failures Date: Mon, 28 Jan 2019 09:03:23 -0700 Message-Id: <20190128160323.28170-4-angus@akkea.ca> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190128160323.28170-1-angus@akkea.ca> References: <20190120023150.17138-1-angus@akkea.ca> <20190128160323.28170-1-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 d2fae53be689..e7d4d8390813 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -2114,6 +2114,7 @@ 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);