From patchwork Mon Sep 7 12:23:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7134801 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 016F79F314 for ; Mon, 7 Sep 2015 12:44:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 21B5620678 for ; Mon, 7 Sep 2015 12:44:49 +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 4B3A3206CB for ; Mon, 7 Sep 2015 12:44:48 +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 1ZYvks-0007xw-U5; Mon, 07 Sep 2015 12:42:38 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZYvkq-0007xU-M4 for linux-arm-kernel@bombadil.infradead.org; Mon, 07 Sep 2015 12:42:36 +0000 Received: from mail-wi0-x233.google.com ([2a00:1450:400c:c05::233]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZYvTr-00053u-7j for linux-arm-kernel@lists.infradead.org; Mon, 07 Sep 2015 12:25:03 +0000 Received: by wiclk2 with SMTP id lk2so82454212wic.1 for ; Mon, 07 Sep 2015 05:24:41 -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=rK1KYJRu7IrEl2RD24R6kQPcH4aIRQJJhYXHDuymstY=; b=uPGIHY40pRQqTy7b+fEzgQatbRmdYmaNV8gt70h0Ff2l636kxyDF0l2PdRH3rpXk6c fNe2jgcxdq0Y38GjsI1g6B2mFeJ9eVaYRmfYc0ARRE9UtX1/D6us68H7TZ0vp4Ee7OYL qjmlhr2MjzguD8AeXsZqze/ukGnUE8TKoetDai/wx/2WwzLvymnyFwLN76X3Gy9gW/v1 n0hHv4eapVGHhEEpXmKgcuKpjSb0v+ywqds53o48omj8DLLc+BNCkLZrZ+/FCLrBPmgm hkl/dum3SvHtmaLxI2DAzskL9PZSI3Ko/O6ydBAjllfbW7abzyUzAf7wABAMO5y1mjcu r/Rw== X-Received: by 10.194.93.198 with SMTP id cw6mr36809805wjb.113.1441628681271; Mon, 07 Sep 2015 05:24:41 -0700 (PDT) Received: from cizrna.lan ([109.72.12.78]) by smtp.gmail.com with ESMTPSA id cm6sm15438wib.22.2015.09.07.05.24.39 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Sep 2015 05:24:40 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v4 19/22] power-supply: Probe power supplies on demand Date: Mon, 7 Sep 2015 14:23:44 +0200 Message-Id: <1441628627-5143-20-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1441628627-5143-1-git-send-email-tomeu.vizoso@collabora.com> References: <1441628627-5143-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150907_132503_329598_8267BDD2 X-CRM114-Status: GOOD ( 15.50 ) X-Spam-Score: -2.4 (--) 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 , Dmitry Eremin-Solenikov , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Sebastian Reichel , Rob Herring , Javier Martinez Canillas , Mark Brown , Thierry Reding , linux-pm@vger.kernel.org, David Woodhouse , 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, T_DKIM_INVALID, T_RP_MATCHES_RCVD, 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 --- Changes in v4: None Changes in v3: None Changes in v2: None 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().