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: 4833801 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A4FD09F314 for ; Wed, 3 Sep 2014 12:33:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8D203201CD for ; Wed, 3 Sep 2014 12:33:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5F447201B9 for ; Wed, 3 Sep 2014 12:33:43 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XP9ew-0007RO-V3; Wed, 03 Sep 2014 12:27:34 +0000 Received: from mail-bl2lp0208.outbound.protection.outlook.com ([207.46.163.208] helo=na01-bl2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XP9eY-0006TL-G9 for linux-arm-kernel@lists.infradead.org; Wed, 03 Sep 2014 12:27:11 +0000 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: 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140903_052710_704115_CCEBA7E5 X-CRM114-Status: UNSURE ( 9.10 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.4 (-) Cc: ulf.hansson@linaro.org, shawn.guo@linaro.org, b29396@freescale.com, chris@printf.net, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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