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: 10783267 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 CF02C91E for ; Mon, 28 Jan 2019 06:10:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BCFA52A300 for ; Mon, 28 Jan 2019 06:10:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B14262A305; Mon, 28 Jan 2019 06:10:23 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5E4C32A300 for ; Mon, 28 Jan 2019 06:10:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=RyOHGef/nAPpyoow7leDFsjqYpr2AtpodfP3/ltESZ0=; b=pEVRzfrK/JtiXHOj5GQCsWmKn+ NeGyPtSO4/GXykHFWeDe8V2IuNGSsh5Q0OuY4jEH8aAWtWJcxVrRrUcc2Gd0Dx7I0+CGuE2S8dhB6 QAKba9CrqkQaVjQmuFF6/qoyjI5bkzRZcScBqTm6M3yPPPPwvgC9IYXb8JjVPIPJ8I76K4amOdDce TsoQr62UeUVNgMyOqQjJmDhWDWlENPMVzW5UfYuxtzgSP3CTfR7xeHTOSUVgeuC2VBdBeaEBNXaY6 70TW7qFl2jAtUbM2KNoHE3RGHTdHGjxc3sHOZsJKSiRX0zm9R77MtUUbJTtbPSQ6cvhobBS90+jRQ 3YmlIz6Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1go07h-00041K-EX; Mon, 28 Jan 2019 06:10:21 +0000 Received: from node.akkea.ca ([192.155.83.177]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1go06G-0002BD-IK for linux-arm-kernel@lists.infradead.org; Mon, 28 Jan 2019 06:08:53 +0000 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 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190127_220852_601783_5ABF514D X-CRM114-Status: UNSURE ( 8.13 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Baluta , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Vinod Koul , NXP Linux Team , Pengutronix Kernel Team , angus.ainslie@puri.sm, linux-arm-kernel@lists.infradead.org, Lucas Stach MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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);