From patchwork Mon Sep 21 14:02:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7231681 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 404359F30C for ; Mon, 21 Sep 2015 14:11:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 56D5A207C3 for ; Mon, 21 Sep 2015 14:11:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5DC31207DB for ; Mon, 21 Sep 2015 14:11:18 +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 1Ze1lL-0007YB-SA; Mon, 21 Sep 2015 14:08:11 +0000 Received: from mail-wi0-x230.google.com ([2a00:1450:400c:c05::230]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ze1hl-0002G1-CC for linux-arm-kernel@lists.infradead.org; Mon, 21 Sep 2015 14:04:33 +0000 Received: by wiclk2 with SMTP id lk2so113298671wic.1 for ; Mon, 21 Sep 2015 07:04:09 -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=AoujftIIW4gf9Bjwmbe29oO36Nkfv5JsL0Pzb9tsEOs=; b=KtqCm02QeR9Dz84idycv530kNMgaj0KpRuv1Rdcu0gbmwz6450Eyf+k84FXNog/kL+ R400Jb2qCVTajfTdvp7/P6bszC+GeWa1Ioy4zIaTnkaysU9gdbJLrQ/IQMjIxARFd0qZ /Kns/1ChByYrPV1CxmDOb3KkRZcbAED3qnkbXnOlqnpsqfYZYznQGOvRpxEM5huazAJx OTBoEie/tATAS7PFEE2/TU3WvD12du+7dhvn2frG/LeH0Q2rdZVMNTfszC5WtLiTmRTy 2tD6AIz3QPNH8HtzO9mJcXvRon+VoEkozh6O7hLAM7edAOo/9ZE3PQb4bfFkYPZyhQvi jwkA== X-Received: by 10.194.19.169 with SMTP id g9mr22465274wje.64.1442844248119; Mon, 21 Sep 2015 07:04:08 -0700 (PDT) Received: from cizrna.lan ([109.72.12.69]) by smtp.gmail.com with ESMTPSA id gk9sm13687031wib.9.2015.09.21.07.04.06 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 21 Sep 2015 07:04:06 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v6 19/22] power-supply: Probe power supplies on demand Date: Mon, 21 Sep 2015 16:02:59 +0200 Message-Id: <1442844182-27787-20-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> References: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150921_070429_697529_038A1EE6 X-CRM114-Status: GOOD ( 14.46 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tomeu Vizoso , devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, Arnd Bergmann , Stephen Warren , Greg Kroah-Hartman , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Rob Herring , Javier Martinez Canillas , Mark Brown , Thierry Reding , Alan Stern , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham 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 OF 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 --- drivers/power/power_supply_core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 456987c88baa..80bc89f4ae89 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "power_supply.h" /* exported for the APM Power driver, APM emulation */ @@ -206,6 +207,8 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node) { int error; + of_device_probe(supply_node); + /* * class_for_each_device() either returns its own errors or values * returned by __power_supply_find_supply_from_node().