From patchwork Mon Oct 20 13:08:01 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabio Estevam X-Patchwork-Id: 5105601 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 646C9C11AC for ; Mon, 20 Oct 2014 13:12:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1083320166 for ; Mon, 20 Oct 2014 13:12:10 +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 17428200F4 for ; Mon, 20 Oct 2014 13:12:09 +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 1XgChj-0006Sy-IX; Mon, 20 Oct 2014 13:08:55 +0000 Received: from mail-bl2on0123.outbound.protection.outlook.com ([65.55.169.123] helo=na01-bl2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XgChf-0005vX-L7 for linux-arm-kernel@lists.infradead.org; Mon, 20 Oct 2014 13:08:52 +0000 Received: from CO2PR03CA0050.namprd03.prod.outlook.com (10.141.194.177) by BN1PR03MB252.namprd03.prod.outlook.com (10.255.200.24) with Microsoft SMTP Server (TLS) id 15.0.1054.13; Mon, 20 Oct 2014 13:08:29 +0000 Received: from BY2FFO11FD015.protection.gbl (2a01:111:f400:7c0c::138) by CO2PR03CA0050.outlook.office365.com (2a01:111:e400:1414::49) with Microsoft SMTP Server (TLS) id 15.0.1054.13 via Frontend Transport; Mon, 20 Oct 2014 13:08:22 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BY2FFO11FD015.mail.protection.outlook.com (10.1.14.131) with Microsoft SMTP Server (TLS) id 15.0.1049.20 via Frontend Transport; Mon, 20 Oct 2014 13:08:21 +0000 Received: from fabio-Latitude-E6410.am.freescale.net ([10.29.244.99]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id s9KD8Ibc026363; Mon, 20 Oct 2014 06:08:19 -0700 From: Fabio Estevam To: Subject: [PATCH RESEND] ARM: dts: imx28-evk: Let i2c0 run at 100kHz Date: Mon, 20 Oct 2014 11:08:01 -0200 Message-ID: <1413810481-22030-1-git-send-email-fabio.estevam@freescale.com> X-Mailer: git-send-email 1.9.1 X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:CAL; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(979002)(6009001)(189002)(199003)(104166001)(106466001)(76482002)(20776003)(50226001)(4396001)(44976005)(62966002)(93916002)(86362001)(87286001)(92726001)(84676001)(92566001)(107046002)(47776003)(36756003)(2351001)(105606002)(99396003)(229853001)(120916001)(64706001)(77156001)(95666004)(19580395003)(68736004)(89996001)(48376002)(85306004)(26826002)(102836001)(85852003)(50466002)(88136002)(104016003)(31966008)(33646002)(110136001)(97736003)(6806004)(50986999)(19580405001)(21056001)(80022003)(87936001)(46102003)(969003)(989001)(999001)(1009001)(1019001); DIR:OUT; SFP:1102; SCL:1; SRVR:BN1PR03MB252; H:tx30smr01.am.freescale.net; FPR:; MLV:ovrnspm; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BN1PR03MB252; X-Exchange-Antispam-Report-Test: UriScan:; X-Forefront-PRVS: 03706074BC 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=Fabio.Estevam@freescale.com; X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141020_060851_863060_B92D2321 X-CRM114-Status: UNSURE ( 6.98 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.3 (/) Cc: Fabio Estevam , stable@vger.kernel.org, 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=-3.3 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 Commit 78b81f4666fb ("ARM: dts: imx28-evk: Run I2C0 at 400kHz") caused issues when doing the following sequence in loop: - Boot the kernel - Perform audio playback - Reboot the system via 'reboot' command In many times the audio card cannot be probed, which causes playback to fail. After restoring to the original i2c0 frequency of 100kHz there is no such problem anymore. This reverts commit 78b81f4666fbb22a20b1e63e5baf197ad2e90e88. Cc: # 3.16+ Signed-off-by: Fabio Estevam --- arch/arm/boot/dts/imx28-evk.dts | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts index e4cc44c..41a9834 100644 --- a/arch/arm/boot/dts/imx28-evk.dts +++ b/arch/arm/boot/dts/imx28-evk.dts @@ -193,7 +193,6 @@ i2c0: i2c@80058000 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; - clock-frequency = <400000>; status = "okay"; sgtl5000: codec@0a {