From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932335AbbG1NVY (ORCPT ); Tue, 28 Jul 2015 09:21:24 -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 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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(). -- 2.4.3