From patchwork Thu Mar 2 12:45:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Machek X-Patchwork-Id: 39672 X-Patchwork-Delegate: laurent.pinchart@ideasonboard.com Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cjQYd-0003Le-V1; Thu, 02 Mar 2017 13:14:11 +0000 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.84_2/mailfrontend-5) with esmtp id 1cjQYb-00077f-8o; Thu, 02 Mar 2017 14:14:11 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752627AbdCBNOI (ORCPT + 1 other); Thu, 2 Mar 2017 08:14:08 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:42491 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752101AbdCBNOH (ORCPT ); Thu, 2 Mar 2017 08:14:07 -0500 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 73A918199C; Thu, 2 Mar 2017 13:45:32 +0100 (CET) Date: Thu, 2 Mar 2017 13:45:32 +0100 From: Pavel Machek To: Laurent Pinchart Cc: Sakari Ailus , mchehab@kernel.org, kernel list , ivo.g.dimitrov.75@gmail.com, sre@kernel.org, pali.rohar@gmail.com, linux-media@vger.kernel.org Subject: [PATCH] omap3isp: wait for regulators to come up Message-ID: <20170302124532.GA29046@amd> References: <20161228183036.GA13139@amd> <10545906.Gxg3yScdu4@avalon> <20170215094228.GA8586@amd> <2414221.XNA4JCFMRx@avalon> <20170302090143.GB27818@amd> <20170302101603.GE27818@amd> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20170302101603.GE27818@amd> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2017.3.2.130917 X-PMX-Spam: Gauge=IIIIIIIII, Probability=9%, Report=' BODY_PARA_IS_SENTENCE_URL 0.1, MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, KNOWN_FREEWEB_URI 0.05, MSGID_ADDED_BY_MTA 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1400_1499 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, INVALID_MSGID_NO_FQDN 0, IN_REP_TO 0, LEGITIMATE_SIGNS 0, MSG_THREAD 0, MULTIPLE_REAL_RCPTS 0, NO_URI_HTTPS 0, REFERENCES 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __ATTACHMENT_SIZE_0_10K 0, __CC_NAME 0, __CC_NAME_DIFF_FROM_ACC 0, __CC_REAL_NAMES 0, __CD 0, __CP_URI_IN_BODY 0, __CT 0, __CTYPE_HAS_BOUNDARY 0, __CTYPE_MULTIPART 0, __HAS_ATTACHMENT 0, __HAS_ATTACHMENT1 0, __HAS_ATTACHMENT2 0, __HAS_CC_HDR 0, __HAS_FROM 0, __HAS_LIST_ID 0, __HAS_MSGID 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __KNOWN_FREEWEB_URI2 0, __MIME_TEXT_P 0, __MIME_TEXT_P1 0, __MIME_TEXT_P2 0, __MIME_VERSION 0, __MULTIPLE_RCPTS_CC_X2 0, __MULTIPLE_URI_TEXT 0, __NO_HTML_TAG_RAW 0, __REFERENCES 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NAME 0, __TO_NAME_DIFF_FROM_ACC 0, __TO_REAL_NAMES 0, __URI_IN_BODY 0, __URI_NS , __URI_WITH_PATH 0, __USER_AGENT 0' If regulator returns -EPROBE_DEFER, we need to return it too, so that omap3isp will be re-probed when regulator is ready. Signed-off-by: Pavel Machek Reviewed-by: Laurent Pinchart diff --git a/drivers/media/platform/omap3isp/ispccp2.c b/drivers/media/platform/omap3isp/ispccp2.c index ca09523..b6e055e 100644 --- a/drivers/media/platform/omap3isp/ispccp2.c +++ b/drivers/media/platform/omap3isp/ispccp2.c @@ -1137,10 +1159,12 @@ int omap3isp_ccp2_init(struct isp_device *isp) if (isp->revision == ISP_REVISION_2_0) { ccp2->vdds_csib = devm_regulator_get(isp->dev, "vdds_csib"); if (IS_ERR(ccp2->vdds_csib)) { + if (PTR_ERR(ccp2->vdds_csib) == -EPROBE_DEFER) + return -EPROBE_DEFER; dev_dbg(isp->dev, "Could not get regulator vdds_csib\n"); ccp2->vdds_csib = NULL; } } else if (isp->revision == ISP_REVISION_15_0) { ccp2->phy = &isp->isp_csiphy1; }