Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755115AbbHFOTh (ORCPT ); Thu, 6 Aug 2015 10:19:37 -0400 Received: from mail-wi0-f181.google.com ([209.85.212.181]:36747 "EHLO mail-wi0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754958AbbHFOTR (ORCPT ); Thu, 6 Aug 2015 10:19:17 -0400 From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Cc: Rob Herring , 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 Subject: [PATCH v3 18/18] ASoC: core: Probe components on demand Date: Thu, 6 Aug 2015 16:11:55 +0200 Message-Id: <1438870315-18689-19-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1438870315-18689-1-git-send-email-tomeu.vizoso@collabora.com> References: <1438870315-18689-1-git-send-email-tomeu.vizoso@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1735 Lines: 59 When looking up a component 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 v3: None Changes in v2: None sound/soc/soc-core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index c81aec9c872a..1157049b1a34 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include #include @@ -865,10 +866,12 @@ static const struct snd_soc_dai_ops null_dai_ops = { }; static struct snd_soc_component *soc_find_component( - const struct device_node *of_node, const char *name) + struct device_node *of_node, const char *name) { struct snd_soc_component *component; + of_platform_probe(of_node); + lockdep_assert_held(&client_mutex); list_for_each_entry(component, &component_list, list) { @@ -890,6 +893,8 @@ static struct snd_soc_dai *snd_soc_find_dai( struct snd_soc_dai *dai; struct device_node *component_of_node; + of_platform_probe(dlc->of_node); + lockdep_assert_held(&client_mutex); /* Find CPU DAI from registered DAIs*/ -- 2.4.3 -- 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/