From patchwork Tue Jul 28 13:19:52 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 6884661 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 9744EC05AC for ; Tue, 28 Jul 2015 13:21:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C783A20673 for ; Tue, 28 Jul 2015 13:21:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 457CB206CE for ; Tue, 28 Jul 2015 13:21:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932301AbbG1NVW (ORCPT ); Tue, 28 Jul 2015 09:21:22 -0400 Received: from mail-wi0-f179.google.com ([209.85.212.179]:37970 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932253AbbG1NVU (ORCPT ); Tue, 28 Jul 2015 09:21:20 -0400 Received: by wibxm9 with SMTP id xm9so160499969wib.1; Tue, 28 Jul 2015 06:21:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=dsJMw8BV+22zdLRIogRPDor2f+cW3zAqNysgX0V3y7c=; b=XgfyqmLenFYlTKeMcCi0DARoHG4MSxLVOQeJ8NVIvts1D0YMsCnueAheBcdJ9AaRKF j5ZRP8JoR0Dasz3TRMtfPv0NSxLPpt/pAC5NzgHPq94tu511114vH65Rjzxf6NwcoaUS m9w71w4ZLApWPJ33gUs8JSKIAICn4BmLK7GPC6LBuc5+2U+W775/JH5TM7tq8+M+1tj3 V8lcZpuuHqFb93fGl1/B5R3vPMf7l6p+0VEglDtyPvOFIOnMADtYfJ+VEL+JeYJw9FEp 1QnlijBaB0n+rh8FtaNWyZ8Nl02PUK6/eiDHOE9q1mh1N0Wnn35XJZDQUO4+UGyU/YvX wM/Q== X-Received: by 10.194.87.4 with SMTP id t4mr72115088wjz.84.1438089678862; Tue, 28 Jul 2015 06:21:18 -0700 (PDT) Received: from cizrna.lan ([109.72.12.179]) by smtp.gmail.com with ESMTPSA id h9sm33265696wjx.20.2015.07.28.06.21.17 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Jul 2015 06:21:17 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Cc: Stephen Warren , Javier Martinez Canillas , Mark Brown , Thierry Reding , "Rafael J. Wysocki" , linux-arm-kernel@lists.infradead.org, Dmitry Torokhov , devicetree@vger.kernel.org, Linus Walleij , linux-acpi@vger.kernel.org, Arnd Bergmann , Tomeu Vizoso , Sebastian Reichel , Dmitry Eremin-Solenikov , David Woodhouse , linux-pm@vger.kernel.org Subject: [PATCH v2 21/22] power-supply: Probe power supplies on demand Date: Tue, 28 Jul 2015 15:19:52 +0200 Message-Id: <1438089593-7696-22-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1438089593-7696-1-git-send-email-tomeu.vizoso@collabora.com> References: <1438089593-7696-1-git-send-email-tomeu.vizoso@collabora.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-8.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,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 When looking up a power supply through its firmware node, probe it if it hasn't already. The goal is to reduce deferred probes to a minimum, as it makes it very cumbersome to find out why a device failed to probe, and can introduce very big delays in when a critical device is probed. Signed-off-by: Tomeu Vizoso --- Changes in v2: None drivers/power/power_supply_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 456987c88baa..b51b0b850a17 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -206,6 +206,8 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node) { int error; + fwnode_ensure_device(&supply_node->fwnode); + /* * class_for_each_device() either returns its own errors or values * returned by __power_supply_find_supply_from_node().