Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757488AbbDXOsq (ORCPT ); Fri, 24 Apr 2015 10:48:46 -0400 Received: from mail-wi0-f171.google.com ([209.85.212.171]:32996 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755000AbbDXOsm (ORCPT ); Fri, 24 Apr 2015 10:48:42 -0400 From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Cc: Thierry Reding , =?UTF-8?q?St=C3=A9phane=20Marchesin?= , Alexander Holler , Olof Johansson , Grant Likely , Rob Herring , devicetree@vger.kernel.org, Mark Rutland , Tomeu Vizoso Subject: [RFC 11/12] backlight: Probe backlight devices on demand Date: Fri, 24 Apr 2015 16:47:27 +0200 Message-Id: <1429886848-5843-12-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.3.6 In-Reply-To: <1429886848-5843-1-git-send-email-tomeu.vizoso@collabora.com> References: <1429886848-5843-1-git-send-email-tomeu.vizoso@collabora.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1147 Lines: 35 When looking up a backlight device through its DT node, ensure that the corresponding device has been registered. --- drivers/video/backlight/backlight.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index bddc8b1..fe7833b 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -559,6 +560,8 @@ struct backlight_device *of_find_backlight_by_node(struct device_node *node) { struct device *dev; + of_platform_device_ensure(node); + dev = class_find_device(backlight_class, NULL, node, of_parent_match); return dev ? to_backlight_device(dev) : NULL; -- 2.3.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/