From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=DATE_IN_FUTURE_06_12, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 AF54DC433DF for ; Wed, 20 May 2020 12:34:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7F168207D4 for ; Wed, 20 May 2020 12:34:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="TX9ztJRi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727818AbgETMel (ORCPT ); Wed, 20 May 2020 08:34:41 -0400 Received: from mail-eopbgr50087.outbound.protection.outlook.com ([40.107.5.87]:34089 "EHLO EUR03-VE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726697AbgETMei (ORCPT ); Wed, 20 May 2020 08:34:38 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=SroHEq9hJ9s68NZpkrch8dOd4Q1ta2RL5I0yv9LI/ks1T6cjlgvXvJad0YaO21WNWTDX1D6tBqW8m8QK58oswy2oaxS8iiJhzHUrIJxXoJe2+U5hjtzG0Na1vrjetyuv84TY6qqEqK9VJtFErxGoExCk1JZOkMMddaqMmbsuS+aeb7h/Kn65XG8F6R9HtaTgbGEAn4Ayauav72dpWZyu1lTe2RDSwzrVxu6GvApKRuSvaVxkP2p/ZDEV8Umx+5X/IAmtJnlipPdgkAH82JKpZFv8ab96ZB0zHBc9xgQDNxMr/ElqyG6Rx1BXBWir74SVBn7M4jIGDZKSc1fbUuLPcA== 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=s4yIptoCrdNFAHnc3pttjP4cFetMmBRlB74P6Bc07Qk=; b=OArAauRGwP7nJ5S1uGoD81AuXrSc/jFWQNzekwzW1KiPidQDdJcmg42n+tnjtMp5AAfVPFmjuvXBdNYWt3tksGl8nM3u6SkjFAzuMDNRD+BB/iDHsh2cfUF4JDbXRgDfQE14qLb0BZIn9zn6hvoRMayqArpT0R4alHsOlPzr43K+gzsHIw/vJys/YjbNO7abX5aMWAAZrya5HjoZd1O6PeLOd53mObQ3gThf4GvqakuxkOjDYa7BGdV6oOXYjtwlHcBCCt85W2RKTLfaSUNYKz8OSM77iXHvx0M9eT/RQMrFZd/CXwjSEQ3jb4D7IWy/eNJkadKCzu4zPXS7joJ0ZA== 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=s4yIptoCrdNFAHnc3pttjP4cFetMmBRlB74P6Bc07Qk=; b=TX9ztJRiQs7Z/gZzhYfPvidPNnXT+IgrvXv+D9ERVbP4hAm91vOQAT2NR/rWb+sY4DWuHGaZv0jcx60F6kiOgWYKrC3W9yLeTYKK672EKwOIcQ67nVS4JNHoLKeNJNqkSLI/pBFi6tea6fMn/lRlb2vitmSiQwf6RFgFC1TnPZ8= Authentication-Results: arm.com; dkim=none (message not signed) header.d=none;arm.com; dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB6630.eurprd04.prod.outlook.com (2603:10a6:20b:f4::33) by AM6PR04MB4279.eurprd04.prod.outlook.com (2603:10a6:209:4a::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3000.26; Wed, 20 May 2020 12:34:34 +0000 Received: from AM6PR04MB6630.eurprd04.prod.outlook.com ([fe80::bdbc:dab3:70f7:d5fa]) by AM6PR04MB6630.eurprd04.prod.outlook.com ([fe80::bdbc:dab3:70f7:d5fa%6]) with mapi id 15.20.3000.034; Wed, 20 May 2020 12:34:34 +0000 From: Robin Gong To: mark.rutland@arm.com, broonie@kernel.org, robh+dt@kernel.org, catalin.marinas@arm.com, vkoul@kernel.org, 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 Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v8 07/13] spi: imx: fix ERR009165 Date: Thu, 21 May 2020 04:34:19 +0800 Message-Id: <1590006865-20900-8-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1590006865-20900-1-git-send-email-yibin.gong@nxp.com> References: <1590006865-20900-1-git-send-email-yibin.gong@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR03CA0103.apcprd03.prod.outlook.com (2603:1096:4:7c::31) To AM6PR04MB6630.eurprd04.prod.outlook.com (2603:10a6:20b:f4::33) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.66) by SG2PR03CA0103.apcprd03.prod.outlook.com (2603:1096:4:7c::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3021.12 via Frontend Transport; Wed, 20 May 2020 12:34:29 +0000 X-Mailer: git-send-email 2.7.4 X-Originating-IP: [119.31.174.66] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: e6244095-e0c9-4dd0-ac29-08d7fcba26c9 X-MS-TrafficTypeDiagnostic: AM6PR04MB4279: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; X-Forefront-PRVS: 04097B7F7F 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:AM6PR04MB6630.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(4636009)(346002)(366004)(376002)(136003)(396003)(39860400002)(6512007)(36756003)(8676002)(6666004)(52116002)(66946007)(66556008)(7416002)(8936002)(66476007)(86362001)(5660300002)(186003)(966005)(478600001)(316002)(26005)(6506007)(6486002)(956004)(2616005)(4326008)(2906002)(16526019)(921003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: vmGcoHJotYLzHqbJfL5zT79CKHnUcTuxpUo/OqKyuJ6LfMByseArbeXKAbcZ+xQyg1p8AB6pf/eW5xxPXdxkp2MOk4RoEjbVFs6dbtF6e9fvc5SOFmZKJMORzGrKg3khxeVpq5Ctt22ghN9DZAP+tv1Wj7xpdrY50SxGYHxAmqiJzzWlb3KeSp04lzMGo1owjWrDt0gXRkDSXb529+GbnQLRCvtVt85fsTazawrzFj5bSTRNb9HarUFiScFb27IeGPTSexz26GqoVphnhBZu5qpSUMjjaGXFFGtTfzcDv6pi6+cDyGdSIAKRyBrDdyA+QXqa3BYM7U20DK4PkjpyHnLap9Y08nvda4FQGEB26JtyxckRyyCMchZCM4wPa+ftlUQENoGKB6fdrhAdA/mpmIIjc2fXVTDfs3fMzCqpXHEveFHE3fA+iE/a7496ZVBeWj67rU++NtX3nl9r0WYdhO+Y70cQciS7Xr5mjPkf0SU= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: e6244095-e0c9-4dd0-ac29-08d7fcba26c9 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 May 2020 12:34:34.3450 (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: 8Z4lFubiPYOp2CfcA0ZN6dx+fOzx0uhEDP1QkggxBEm59iqI3XySLq+z5c7lch3Q+G3AcyMK2HuAmiLDrHFD7w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR04MB4279 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 --- 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 b7a85e3..8f758db 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -591,8 +591,8 @@ 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); @@ -623,7 +623,7 @@ 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); @@ -1273,10 +1273,6 @@ 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: */ -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.7 required=3.0 tests=DATE_IN_FUTURE_06_12, DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 22933C433DF for ; Wed, 20 May 2020 12:36:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 CCA3D20758 for ; Wed, 20 May 2020 12:36:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="myTNxBTu"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="TX9ztJRi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CCA3D20758 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+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=8WQ4JLB1r0uT5mA2jjOlaluxznZ110mdylzOR+3kv5E=; b=myTNxBTushYtAz NKkeovQGZ36hgHQiT3we+KIV2JhKkhaMQ+M5YBjDEEyAsGwIXHxX1kTNqKTuUHG7hBfmmDXKgvW+2 uFgneVsx0lMav49RT21/rj3MOmNR1V+RQ7ZDaoFmid0iMQn5hrVm3850Cxrcv9clR2U35aMlVAMKE kHF2qUUDK6s0sXCvLYVp2R6JrfsznBTbkb9RD8pLuC+9uVxn1QEl5j80vNQE07Or1hncAjO4iNLyU ajbRKRV8c5XKxGgnJLzIPfY9bYouV2UAJtjiGTvZC5xmyl2e/GTfBhVQ6PdT8AJOEd3VpaBAxmHo9 XFgzy1okxOOWXdksy2xA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jbNxx-0004Ux-Bq; Wed, 20 May 2020 12:36:57 +0000 Received: from mail-eopbgr50068.outbound.protection.outlook.com ([40.107.5.68] helo=EUR03-VE1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jbNvh-0000FR-9l for linux-arm-kernel@lists.infradead.org; Wed, 20 May 2020 12:34:38 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=SroHEq9hJ9s68NZpkrch8dOd4Q1ta2RL5I0yv9LI/ks1T6cjlgvXvJad0YaO21WNWTDX1D6tBqW8m8QK58oswy2oaxS8iiJhzHUrIJxXoJe2+U5hjtzG0Na1vrjetyuv84TY6qqEqK9VJtFErxGoExCk1JZOkMMddaqMmbsuS+aeb7h/Kn65XG8F6R9HtaTgbGEAn4Ayauav72dpWZyu1lTe2RDSwzrVxu6GvApKRuSvaVxkP2p/ZDEV8Umx+5X/IAmtJnlipPdgkAH82JKpZFv8ab96ZB0zHBc9xgQDNxMr/ElqyG6Rx1BXBWir74SVBn7M4jIGDZKSc1fbUuLPcA== 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=s4yIptoCrdNFAHnc3pttjP4cFetMmBRlB74P6Bc07Qk=; b=OArAauRGwP7nJ5S1uGoD81AuXrSc/jFWQNzekwzW1KiPidQDdJcmg42n+tnjtMp5AAfVPFmjuvXBdNYWt3tksGl8nM3u6SkjFAzuMDNRD+BB/iDHsh2cfUF4JDbXRgDfQE14qLb0BZIn9zn6hvoRMayqArpT0R4alHsOlPzr43K+gzsHIw/vJys/YjbNO7abX5aMWAAZrya5HjoZd1O6PeLOd53mObQ3gThf4GvqakuxkOjDYa7BGdV6oOXYjtwlHcBCCt85W2RKTLfaSUNYKz8OSM77iXHvx0M9eT/RQMrFZd/CXwjSEQ3jb4D7IWy/eNJkadKCzu4zPXS7joJ0ZA== 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=s4yIptoCrdNFAHnc3pttjP4cFetMmBRlB74P6Bc07Qk=; b=TX9ztJRiQs7Z/gZzhYfPvidPNnXT+IgrvXv+D9ERVbP4hAm91vOQAT2NR/rWb+sY4DWuHGaZv0jcx60F6kiOgWYKrC3W9yLeTYKK672EKwOIcQ67nVS4JNHoLKeNJNqkSLI/pBFi6tea6fMn/lRlb2vitmSiQwf6RFgFC1TnPZ8= Authentication-Results: arm.com; dkim=none (message not signed) header.d=none;arm.com; dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB6630.eurprd04.prod.outlook.com (2603:10a6:20b:f4::33) by AM6PR04MB4279.eurprd04.prod.outlook.com (2603:10a6:209:4a::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3000.26; Wed, 20 May 2020 12:34:34 +0000 Received: from AM6PR04MB6630.eurprd04.prod.outlook.com ([fe80::bdbc:dab3:70f7:d5fa]) by AM6PR04MB6630.eurprd04.prod.outlook.com ([fe80::bdbc:dab3:70f7:d5fa%6]) with mapi id 15.20.3000.034; Wed, 20 May 2020 12:34:34 +0000 From: Robin Gong To: mark.rutland@arm.com, broonie@kernel.org, robh+dt@kernel.org, catalin.marinas@arm.com, vkoul@kernel.org, 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 Subject: [PATCH v8 07/13] spi: imx: fix ERR009165 Date: Thu, 21 May 2020 04:34:19 +0800 Message-Id: <1590006865-20900-8-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1590006865-20900-1-git-send-email-yibin.gong@nxp.com> References: <1590006865-20900-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR03CA0103.apcprd03.prod.outlook.com (2603:1096:4:7c::31) To AM6PR04MB6630.eurprd04.prod.outlook.com (2603:10a6:20b:f4::33) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.66) by SG2PR03CA0103.apcprd03.prod.outlook.com (2603:1096:4:7c::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3021.12 via Frontend Transport; Wed, 20 May 2020 12:34:29 +0000 X-Mailer: git-send-email 2.7.4 X-Originating-IP: [119.31.174.66] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: e6244095-e0c9-4dd0-ac29-08d7fcba26c9 X-MS-TrafficTypeDiagnostic: AM6PR04MB4279: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; X-Forefront-PRVS: 04097B7F7F X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: Ne+MgkIsMnaTLTkLpJ2z6gqLrrI4Qx2IoVfE2AKc4tS807kftAgHXnZVzPIKTmHr6jFM3b+hzmJJhmkQku8JxW8BOL3/W07GuLAkcGjPyWE/uHV/8+MvJnRAXwuyo6q1uKF9FmV6Y4L0ho66qH4rlrLehYr+q5Kw8dI2sN1SbSDfTEJWzXdzWcqBXroRYoADa++7hjaLiabzAZGKk4hsO2slPusfl2BtfSlvXpG2BTOxim/nqjDF90/yZUp2J6dtrjmrY73cTrJpb7KAfu6QpbJzyoZ7K56cQa0T6ohzxpoWYdt45T92pjFPeadWkRTl9UPzEH6oVhV44Rsmenr0HVFaFR6zGGuGA9WVI0Hma8xqkmnl8WooRFTULS/HbwicOQMnqL/q0xg1aVgQ5YQ879XJwv9zPG9bCdsspWB0nIpLnr4YIlI/xOTau9IuIFls39d281RFDg6ikOrZKfbTKPwpG6lQgHXZTw/ujBt130jeifkqu4sedkH+yYWzgrBokmmeA/lVWVXexBiM8VgES6EuKScuMor2vJie6EzasotDy8/gwL3yKUbdDGqflCX0 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM6PR04MB6630.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(346002)(366004)(376002)(136003)(396003)(39860400002)(6512007)(36756003)(8676002)(6666004)(52116002)(66946007)(66556008)(7416002)(8936002)(66476007)(86362001)(5660300002)(186003)(966005)(478600001)(316002)(26005)(6506007)(6486002)(956004)(2616005)(4326008)(2906002)(16526019)(921003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: vmGcoHJotYLzHqbJfL5zT79CKHnUcTuxpUo/OqKyuJ6LfMByseArbeXKAbcZ+xQyg1p8AB6pf/eW5xxPXdxkp2MOk4RoEjbVFs6dbtF6e9fvc5SOFmZKJMORzGrKg3khxeVpq5Ctt22ghN9DZAP+tv1Wj7xpdrY50SxGYHxAmqiJzzWlb3KeSp04lzMGo1owjWrDt0gXRkDSXb529+GbnQLRCvtVt85fsTazawrzFj5bSTRNb9HarUFiScFb27IeGPTSexz26GqoVphnhBZu5qpSUMjjaGXFFGtTfzcDv6pi6+cDyGdSIAKRyBrDdyA+QXqa3BYM7U20DK4PkjpyHnLap9Y08nvda4FQGEB26JtyxckRyyCMchZCM4wPa+ftlUQENoGKB6fdrhAdA/mpmIIjc2fXVTDfs3fMzCqpXHEveFHE3fA+iE/a7496ZVBeWj67rU++NtX3nl9r0WYdhO+Y70cQciS7Xr5mjPkf0SU= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: e6244095-e0c9-4dd0-ac29-08d7fcba26c9 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 May 2020 12:34:34.3450 (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: 8Z4lFubiPYOp2CfcA0ZN6dx+fOzx0uhEDP1QkggxBEm59iqI3XySLq+z5c7lch3Q+G3AcyMK2HuAmiLDrHFD7w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR04MB4279 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200520_053437_347152_736D754C X-CRM114-Status: GOOD ( 11.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-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 --- 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 b7a85e3..8f758db 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -591,8 +591,8 @@ 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); @@ -623,7 +623,7 @@ 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); @@ -1273,10 +1273,6 @@ 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: */ -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel