From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932095AbbG1NVC (ORCPT ); Tue, 28 Jul 2015 09:21:02 -0400 Received: from mail-wi0-f180.google.com ([209.85.212.180]:36820 "EHLO mail-wi0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755456AbbG1NU6 (ORCPT ); Tue, 28 Jul 2015 09:20:58 -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 , =?UTF-8?q?Terje=20Bergstr=C3=B6m?= , dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, Alexandre Courbot , David Airlie Subject: [PATCH v2 12/22] drm/tegra: Probe dpaux devices on demand Date: Tue, 28 Jul 2015 15:19:43 +0200 Message-Id: <1438089593-7696-13-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 dpaux device 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/gpu/drm/tegra/dpaux.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c index 07b26972f487..9a793158a571 100644 --- a/drivers/gpu/drm/tegra/dpaux.c +++ b/drivers/gpu/drm/tegra/dpaux.c @@ -394,6 +394,8 @@ struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np) { struct tegra_dpaux *dpaux; + fwnode_ensure_device(&np->fwnode); + mutex_lock(&dpaux_lock); list_for_each_entry(dpaux, &dpaux_list, list) -- 2.4.3