From patchwork Wed Apr 7 15:30:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Gong X-Patchwork-Id: 12187269 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.8 required=3.0 tests=BAYES_00, DATE_IN_FUTURE_06_12,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C492AC433ED for ; Wed, 7 Apr 2021 07:20:37 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B5E276139B for ; Wed, 7 Apr 2021 07:20:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B5E276139B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1INR5ki6ZJ4xRROjMyAbYgRpM/XiAGFV3eoOFgrEFow=; b=BQBgx+NBYy9gwC1LW/ILRS1KO LjMB4Yk203e8n8AJSMPC70+RqNaYuGUyHbFAG+whRtJYK8WLQQpBrFirG9M5pRZtp05U1aqVbC0PO FdovwkCH4TLBVtXoKcX2fdL/VVsh2L7ci9dmZwj+RC5rVRZNQeT0KpOVTBq83HIn+fHod5gHob24f fYvYPCwYc+dEw6EyVgch4cczDw4/5SrgPuiep3HtbafqmIZkZC3v7KI5qo757qtrhwzpPpQzQLHk/ sCU34ujq5nc1TwU3/cOZfOj9o2mzwPrBIJ7+lO7vFnrg35Kmr+M17woUgVX+ixeziWDy8ZdrHlqfm 8Zu2GON7A==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lU2S9-004IUC-57; Wed, 07 Apr 2021 07:18:19 +0000 Received: from mail-vi1eur05on2066.outbound.protection.outlook.com ([40.107.21.66] helo=EUR05-VI1-obe.outbound.protection.outlook.com) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lU2QI-004I7L-1s for linux-arm-kernel@lists.infradead.org; Wed, 07 Apr 2021 07:16:30 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=DRVTsQ9biBiJTEfYyWRs+5EVg3wAiasiIsuJ6yksGSmabLgh5a+N4cvpaPll562PqRvtAh22hc6TFLNxX750F42ts78v2MUl4p89jM1Z+sTfwVsPUPGFomhIYBWF1ow8Wqyc9PDJWr3MPH0rLWrj0XxWQvCeIiFFMcqtugqCh5O3w7hjk5MBNURWziNvdRpIyXPIi6To/1h4V0jl4x/NTda42QZ53oRUBjBazorGO7bb4F/6LkrtrnjfpWKahhgVw1x9TI+hk6anNHEvBrPfgGEVs/Uu4c67vttnNR4ddxVtbjn7pRFBst7k8D3A/E+hQ9sXUeW7mR3fAxYmVTziOw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=AtYuoAWU5nvGRG/5slzid8bTmp98z0SLULmC9zpRUdk=; b=PCqD+8mZwL+fLvDYH1FxaFWBYou8EU0fbRsYLS5SoJz+1DZNnKaKnBRWl+rKRkMw78tZtfi9wJnF4CB4lU8QqKwUbpX/l0Q65LeqjFdKdt3y4q/rSDjlRwXYqxa5H+ito6n9hD1TNM7hahK1hZFoeKIYa6+blRINgiBLZz/9o11AVp+NqRPbnCa8FaToCqY7qZbe96pGtciumoOCgByGdeX27CZ+VrW/YoP79ZZF4YxKwrEI0NtytzfmnfgjPIV9Ryy2dlSZzX4BOXepU7lws7GMyueyd4Dy2tr50k6pDUgPm+bd+TkUgS5Tmx4qwbw5b+tF3AxFfCs5QLCWmWB77w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=AtYuoAWU5nvGRG/5slzid8bTmp98z0SLULmC9zpRUdk=; b=pGRTLEleQCn9PQBnYOc3lxtMujzGRENg/6GHrMpb4+SKm4NycLKT9upUmct5pKaJzB9+hRyOD/w0styeS1SUtggyC4LI8PCwGekmbnG+056cafquWNTcgUAlmG07uZctu3ziEQfw3vhEi76kobdWy+J3a2/P9ZrqyzvPHH6aVso= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) by VE1PR04MB7326.eurprd04.prod.outlook.com (2603:10a6:800:1b0::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4020.17; Wed, 7 Apr 2021 07:16:17 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::e8e2:7756:13bc:2cb3]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::e8e2:7756:13bc:2cb3%7]) with mapi id 15.20.3999.032; Wed, 7 Apr 2021 07:16:17 +0000 From: Robin Gong To: vkoul@kernel.org, mark.rutland@arm.com, broonie@kernel.org, robh+dt@kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, shawnguo@kernel.org, festevam@gmail.com, s.hauer@pengutronix.de, martin.fuzzey@flowbird.group, u.kleine-koenig@pengutronix.de, dan.j.williams@intel.com, matthias.schiffer@ew.tq-group.com, frieder.schrempf@kontron.de, m.felsch@pengutronix.de, xiaoning.wang@nxp.com Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH v14 07/12] spi: imx: fix ERR009165 Date: Wed, 7 Apr 2021 23:30:51 +0800 Message-Id: <1617809456-17693-8-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1617809456-17693-1-git-send-email-yibin.gong@nxp.com> References: <1617809456-17693-1-git-send-email-yibin.gong@nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: HK0PR01CA0049.apcprd01.prod.exchangelabs.com (2603:1096:203:a6::13) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.66) by HK0PR01CA0049.apcprd01.prod.exchangelabs.com (2603:1096:203:a6::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.4020.17 via Frontend Transport; Wed, 7 Apr 2021 07:16:11 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f52764a0-0e24-4ce8-8f6e-08d8f9950919 X-MS-TrafficTypeDiagnostic: VE1PR04MB7326: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:VE1PR04MB6638.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(376002)(346002)(366004)(396003)(136003)(39860400002)(7416002)(83380400001)(2906002)(66476007)(5660300002)(66946007)(66556008)(6666004)(38350700001)(36756003)(6512007)(16526019)(186003)(2616005)(26005)(6486002)(6636002)(86362001)(921005)(478600001)(966005)(8676002)(38100700001)(316002)(4326008)(956004)(8936002)(6506007)(52116002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f52764a0-0e24-4ce8-8f6e-08d8f9950919 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6638.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Apr 2021 07:16:17.2247 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +l4GPDHz00w+AY5wlYYeKJNylxLl0uY3+A7gsHpJVyT0mGKaNoRy5ZCvUmVrBjzmdbxASMH6hc/vtYDcwe4LDA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7326 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210407_081625_260397_096961ED X-CRM114-Status: GOOD ( 13.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Change to XCH mode even in dma mode, please refer to the below errata: https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf Signed-off-by: Robin Gong Acked-by: Mark Brown Reviewed-by: Lucas Stach --- drivers/spi/spi-imx.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 4fe767a..cf235b9 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -593,8 +593,8 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx, ctrl |= mx51_ecspi_clkdiv(spi_imx, t->speed_hz, &clk); spi_imx->spi_bus_clk = clk; - if (spi_imx->usedma) - ctrl |= MX51_ECSPI_CTRL_SMC; + /* ERR009165: work in XHC mode as PIO */ + ctrl &= ~MX51_ECSPI_CTRL_SMC; writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL); @@ -625,7 +625,7 @@ static void mx51_setup_wml(struct spi_imx_data *spi_imx) * and enable DMA request. */ writel(MX51_ECSPI_DMA_RX_WML(spi_imx->wml - 1) | - MX51_ECSPI_DMA_TX_WML(spi_imx->wml) | + MX51_ECSPI_DMA_TX_WML(0) | MX51_ECSPI_DMA_RXT_WML(spi_imx->wml) | MX51_ECSPI_DMA_TEDEN | MX51_ECSPI_DMA_RXDEN | MX51_ECSPI_DMA_RXTDEN, spi_imx->base + MX51_ECSPI_DMA); @@ -1234,10 +1234,6 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx, { int ret; - /* use pio mode for i.mx6dl chip TKT238285 */ - if (of_machine_is_compatible("fsl,imx6dl")) - return 0; - spi_imx->wml = spi_imx->devtype_data->fifo_size / 2; /* Prepare for TX DMA: */