From patchwork Wed Sep 3 12:04:58 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aisheng Dong X-Patchwork-Id: 4833641 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 52E91C0338 for ; Wed, 3 Sep 2014 12:27:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7E16F20219 for ; Wed, 3 Sep 2014 12:27:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 84F112016C for ; Wed, 3 Sep 2014 12:27:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932353AbaICM04 (ORCPT ); Wed, 3 Sep 2014 08:26:56 -0400 Received: from mail-bl2lp0209.outbound.protection.outlook.com ([207.46.163.209]:58160 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932185AbaICM0z (ORCPT ); Wed, 3 Sep 2014 08:26:55 -0400 Received: from BN3PR0301CA0049.namprd03.prod.outlook.com (25.160.152.145) by BLUPR03MB328.namprd03.prod.outlook.com (10.141.48.27) with Microsoft SMTP Server (TLS) id 15.0.1024.9; Wed, 3 Sep 2014 12:26:41 +0000 Received: from BY2FFO11FD047.protection.gbl (2a01:111:f400:7c0c::115) by BN3PR0301CA0049.outlook.office365.com (2a01:111:e400:401e::17) with Microsoft SMTP Server (TLS) id 15.0.1019.16 via Frontend Transport; Wed, 3 Sep 2014 12:26:41 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BY2FFO11FD047.mail.protection.outlook.com (10.1.15.175) with Microsoft SMTP Server (TLS) id 15.0.1010.11 via Frontend Transport; Wed, 3 Sep 2014 12:26:40 +0000 Received: from shlinux1.ap.freescale.net (shlinux1.ap.freescale.net [10.192.225.216]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id s83CQT90030283; Wed, 3 Sep 2014 05:26:37 -0700 From: Dong Aisheng To: CC: , , , , Subject: [PATCH 2/7] mmc: sdhci-esdhc-imx: usdhc does not have missing card interrupt issue Date: Wed, 3 Sep 2014 20:04:58 +0800 Message-ID: <1409745903-26550-3-git-send-email-b29396@freescale.com> X-Mailer: git-send-email 1.7.8 In-Reply-To: <1409745903-26550-1-git-send-email-b29396@freescale.com> References: <1409745903-26550-1-git-send-email-b29396@freescale.com> X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:CAL; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(6009001)(199003)(189002)(68736004)(229853001)(33646002)(80022001)(48376002)(4396001)(2351001)(95666004)(74502001)(50226001)(19580395003)(74662001)(107046002)(31966008)(105606002)(83322001)(104166001)(19580405001)(44976005)(47776003)(62966002)(64706001)(90102001)(20776003)(76176999)(6806004)(104016003)(102836001)(50986999)(76482001)(26826002)(99396002)(83072002)(36756003)(77982001)(88136002)(84676001)(87286001)(21056001)(85306004)(89996001)(79102001)(87936001)(92566001)(92726001)(110136001)(106466001)(85852003)(50466002)(81342001)(81542001)(46102001)(230783001)(93916002)(97736001)(77156001)(42262002); DIR:OUT; SFP:; SCL:1; SRVR:BLUPR03MB328; H:tx30smr01.am.freescale.net; FPR:; MLV:ovrnspm; PTR:InfoDomainNonexistent; A:1; MX:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;UriScan:; X-Forefront-PRVS: 032334F434 Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=Aisheng.Dong@freescale.com; X-OriginatorOrg: freescale.com Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-8.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The usdhc does not have missing card interrupt issue, so execute the workaround conditionally. Signed-off-by: Dong Aisheng --- drivers/mmc/host/sdhci-esdhc-imx.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 256c901..9594bf8 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -300,7 +300,7 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg) u32 data; if (unlikely(reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE)) { - if (val & SDHCI_INT_CARD_INT) { + if ((val & SDHCI_INT_CARD_INT) && !esdhc_is_usdhc(imx_data)) { /* * Clear and then set D3CD bit to avoid missing the * card interrupt. This is a eSDHC controller problem