From patchwork Fri Mar 31 19:25:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leonard Crestez X-Patchwork-Id: 745778 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vvs2G0B0bz9s0Z for ; Sat, 1 Apr 2017 06:27:02 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="erIPpt7S"; dkim-atps=neutral DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LlnzJI24VnYsFYGsobboLdJC13m68T2CBLn5CpQV6L4=; b=erIPpt7StN3/7+ 6N6E0Pzu+VtRivUPttVP92gwekGL9Tt1LMGBZrc4N2z80aQ//UDLioNg7QUaGBGueDjjY05IsEIit iZC8VNUgv1SGVZDjSrw13i1/1b92GtdHcj/+1eNWwM0vcNMBsZ0SiQ4hI/63Ud+E0rG/aSuT1XlS6 AaO/Q2fDGqGgKs/Tu2ykyI+bAQfCUh1vVaDXnLbtlX2J85tq78EKaueDmaO4VxysyS5dQ+fXqQ4hj ZAHGbKBQ10T0O+U34935/NrneisU1Hdqc/uB1URO47PLobbo3lVYBHBScMeaz9PR7EJIrF0ti/0aC QDpWZTRrzDFwS6Gic6uQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cu2CE-00024U-AG; Fri, 31 Mar 2017 19:26:54 +0000 Received: from mail-by2nam03on0044.outbound.protection.outlook.com ([104.47.42.44] helo=NAM03-BY2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cu2Bo-0001g9-1V for linux-arm-kernel@lists.infradead.org; Fri, 31 Mar 2017 19:26:30 +0000 Received: from BN3PR03CA0070.namprd03.prod.outlook.com (10.167.1.158) by BL2PR03MB386.namprd03.prod.outlook.com (10.141.91.150) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.991.14; Fri, 31 Mar 2017 19:26:06 +0000 Received: from BY2FFO11FD022.protection.gbl (2a01:111:f400:7c0c::140) by BN3PR03CA0070.outlook.office365.com (2a01:111:e400:7a4d::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1005.10 via Frontend Transport; Fri, 31 Mar 2017 19:26:06 +0000 Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=nxp.com; vger.kernel.org; dkim=none (message not signed) header.d=none; vger.kernel.org; dmarc=fail action=none header.from=nxp.com; Received-SPF: Fail (protection.outlook.com: domain of nxp.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; Received: from tx30smr01.am.freescale.net (192.88.168.50) by BY2FFO11FD022.mail.protection.outlook.com (10.1.15.211) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1005.5 via Frontend Transport; Fri, 31 Mar 2017 19:26:05 +0000 Received: from fsr-ub1664-115.ea.freescale.net (fsr-ub1664-115.ea.freescale.net [10.171.73.166]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id v2VJPv5f028835; Fri, 31 Mar 2017 12:26:02 -0700 From: Leonard Crestez To: "Rafael J. Wysocki" , Viresh Kumar , Shawn Guo , Sascha Hauer , Mark Brown Subject: [PATCH 1/5] ARM: imx: gpc: Do not print error message for EPROBE_DEFER Date: Fri, 31 Mar 2017 22:25:36 +0300 Message-ID: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: X-EOPAttributedMessage: 0 X-Matching-Connectors: 131354619657958285; (91ab9b29-cfa4-454e-5278-08d120cd25b8); () X-Forefront-Antispam-Report: CIP:192.88.168.50; IPV:NLI; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(6009001)(336005)(39400400002)(39850400002)(39380400002)(39410400002)(39840400002)(39450400003)(2980300002)(1110001)(1109001)(339900001)(199003)(189002)(9170700003)(7416002)(356003)(39060400002)(305945005)(38730400002)(5003940100001)(4326008)(50986999)(76176999)(53936002)(105606002)(106466001)(33646002)(8656002)(54906002)(77096006)(5660300001)(189998001)(104016004)(36756003)(86362001)(85426001)(2906002)(15650500001)(8676002)(50226002)(81166006)(47776003)(118296001)(81156014)(2950100002)(6666003)(50466002)(48376002)(8936002); DIR:OUT; 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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL2PR03MB386 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170331_122628_195136_BFC55E04 X-CRM114-Status: GOOD ( 13.67 ) X-Spam-Score: -4.7 (----) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-4.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [104.47.42.44 listed in list.dnswl.org] -2.8 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [104.47.42.44 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Leonard Crestez , Anson Huang , Irina Tirdea , linux-pm@vger.kernel.org, Liam Girdwood , linux-kernel@vger.kernel.org, Octavian Purdila , Fabio Estevam , Robin Gong , linux-arm-kernel@lists.infradead.org, Lucas Stach Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org The pu regulator request will return -EPROBE_DEFER if it has a supply from PMIC and this supply is not yet registered. This does not represent an error since the driver will call probe again later, so only print a warning message in this case. Signed-off-by: Irina Tirdea Signed-off-by: Leonard Crestez --- arch/arm/mach-imx/gpc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index 1dc2a34..ce64d11 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -466,7 +466,11 @@ static int imx_gpc_probe(struct platform_device *pdev) pu_reg = NULL; if (IS_ERR(pu_reg)) { ret = PTR_ERR(pu_reg); - dev_err(&pdev->dev, "failed to get pu regulator: %d\n", ret); + if (ret == -EPROBE_DEFER) + dev_dbg(&pdev->dev, "pu regulator not ready, retry\n"); + else + dev_err(&pdev->dev, "failed to get pu regulator: %d\n", + ret); return ret; }