From patchwork Wed Sep 3 12:05:00 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aisheng Dong X-Patchwork-Id: 4833821 Return-Path: X-Original-To: patchwork-linux-arm@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 07829C0338 for ; Wed, 3 Sep 2014 12:34:06 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 04B1B201CD for ; Wed, 3 Sep 2014 12:34:05 +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 55F76201B9 for ; Wed, 3 Sep 2014 12:34:00 +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 1XP9f6-0007fI-Os; Wed, 03 Sep 2014 12:27:44 +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 1XP9eZ-0006TL-CA for linux-arm-kernel@lists.infradead.org; Wed, 03 Sep 2014 12:27:11 +0000 Received: from BN3PR0301CA0061.namprd03.prod.outlook.com (25.160.152.157) by BLUPR03MB328.namprd03.prod.outlook.com (10.141.48.27) with Microsoft SMTP Server (TLS) id 15.0.1024.9; Wed, 3 Sep 2014 12:26:44 +0000 Received: from BL2FFO11FD049.protection.gbl (2a01:111:f400:7c09::147) by BN3PR0301CA0061.outlook.office365.com (2a01:111:e400:401e::29) with Microsoft SMTP Server (TLS) id 15.0.1019.16 via Frontend Transport; Wed, 3 Sep 2014 12:26:44 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BL2FFO11FD049.mail.protection.outlook.com (10.173.161.211) with Microsoft SMTP Server (TLS) id 15.0.1010.11 via Frontend Transport; Wed, 3 Sep 2014 12:26:44 +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 s83CQT92030283; Wed, 3 Sep 2014 05:26:42 -0700 From: Dong Aisheng To: Subject: [PATCH 4/7] mmc: sdhci: do not enable card detect interrupt for gpio cd type Date: Wed, 3 Sep 2014 20:05:00 +0800 Message-ID: <1409745903-26550-5-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)(575784001)(110136001)(106466001)(85852003)(50466002)(81342001)(81542001)(46102001)(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_052711_481067_4C6D365F X-CRM114-Status: UNSURE ( 7.90 ) 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 Except SDHCI_QUIRK_BROKEN_CARD_DETECTION and MMC_CAP_NONREMOVABLE, we also do not need to handle controller native card detect interrupt for gpio as card detect case. If we wrong enabled the card detect interrupt for gpio case, it will cause a lot of unexpected card detect interrupts during data transfer which should not happen. Signed-off-by: Dong Aisheng --- drivers/mmc/host/sdhci.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index f6a683b..4d0b7b5 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -136,9 +136,10 @@ static void sdhci_dumpregs(struct sdhci_host *host) static void sdhci_set_card_detection(struct sdhci_host *host, bool enable) { u32 present; + int gpio_cd = mmc_gpio_get_cd(host->mmc); if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) || - (host->mmc->caps & MMC_CAP_NONREMOVABLE)) + (host->mmc->caps & MMC_CAP_NONREMOVABLE) || !IS_ERR_VALUE(gpio_cd)) return; if (enable) {