From patchwork Mon Sep 22 09:12:05 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aisheng Dong X-Patchwork-Id: 4946581 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 A80B39F4DC for ; Mon, 22 Sep 2014 09:42:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 873382024C for ; Mon, 22 Sep 2014 09:42:51 +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 2F1A9201FA for ; Mon, 22 Sep 2014 09:42:50 +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 1XW06x-00043g-0i; Mon, 22 Sep 2014 09:40:47 +0000 Received: from mail-bn1bon0148.outbound.protection.outlook.com ([157.56.111.148] helo=na01-bn1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XW06h-0003o2-1S for linux-arm-kernel@lists.infradead.org; Mon, 22 Sep 2014 09:40:31 +0000 Received: from DM2PR03CA0037.namprd03.prod.outlook.com (10.141.96.36) by BLUPR03MB326.namprd03.prod.outlook.com (10.141.48.16) with Microsoft SMTP Server (TLS) id 15.0.1024.9; Mon, 22 Sep 2014 09:40:08 +0000 Received: from BL2FFO11FD006.protection.gbl (2a01:111:f400:7c09::196) by DM2PR03CA0037.outlook.office365.com (2a01:111:e400:2428::36) with Microsoft SMTP Server (TLS) id 15.0.1024.12 via Frontend Transport; Mon, 22 Sep 2014 09:40:08 +0000 Received: from az84smr01.freescale.net (192.88.158.2) by BL2FFO11FD006.mail.protection.outlook.com (10.173.161.2) with Microsoft SMTP Server (TLS) id 15.0.1029.15 via Frontend Transport; Mon, 22 Sep 2014 09:40:07 +0000 Received: from shlinux1.ap.freescale.net (shlinux1.ap.freescale.net [10.192.225.216]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id s8M9dsW9010395; Mon, 22 Sep 2014 02:40:05 -0700 From: Dong Aisheng To: Subject: [PATCH v2 2/8] mmc: sdhci-esdhc-imx: usdhc does not have missing card interrupt issue Date: Mon, 22 Sep 2014 17:12:05 +0800 Message-ID: <1411377131-19741-3-git-send-email-b29396@freescale.com> X-Mailer: git-send-email 1.7.8 In-Reply-To: <1411377131-19741-1-git-send-email-b29396@freescale.com> References: <1411377131-19741-1-git-send-email-b29396@freescale.com> X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.158.2; CTRY:US; IPV:CAL; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(199003)(189002)(110136001)(87286001)(68736004)(84676001)(77156001)(47776003)(6806004)(69596002)(83322001)(19580395003)(102836001)(19580405001)(99396002)(107046002)(95666004)(64706001)(105606002)(33646002)(36756003)(20776003)(104016003)(21056001)(2351001)(229853001)(90102001)(44976005)(106466001)(76176999)(50986999)(62966002)(88136002)(92566001)(85306004)(46102003)(77982003)(4396001)(74662003)(80022003)(74502003)(79102003)(81542003)(81342003)(50226001)(85852003)(83072002)(31966008)(92726001)(89996001)(230783001)(48376002)(97736003)(81156004)(26826002)(93916002)(104166001)(76482002)(87936001)(50466002)(120916001)(42262002); DIR:OUT; SFP:1102; SCL:1; SRVR:BLUPR03MB326; H:az84smr01.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: 034215E98F Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.158.2 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.158.2; helo=az84smr01.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.158.2) 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-20140922_024031_151661_28F1D6D1 X-CRM114-Status: UNSURE ( 9.91 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.3 (/) 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=-2.9 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