From patchwork Thu Aug 6 14:11:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 6959991 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 9FB9D9F38B for ; Thu, 6 Aug 2015 14:25:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BA951202EB for ; Thu, 6 Aug 2015 14:25:44 +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 4D90620680 for ; Thu, 6 Aug 2015 14:25:39 +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 1ZNM4u-0007af-V2; Thu, 06 Aug 2015 14:23:29 +0000 Received: from mail-wi0-x22a.google.com ([2a00:1450:400c:c05::22a]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZNM1A-0002xZ-5x for linux-arm-kernel@lists.infradead.org; Thu, 06 Aug 2015 14:19:38 +0000 Received: by wibhh20 with SMTP id hh20so26430798wib.0 for ; Thu, 06 Aug 2015 07:19:16 -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 :mime-version:content-type:content-transfer-encoding; bh=m/6WlNwtZzOaLo2hx54ogyrkR7U5cUO6kBnNGE7q/3k=; b=W3776WfnteFLg0a0vhf5Cl221WCdgOaxprtmh8WMPPhIiJ06QwucCWSNm2R/25qJK1 JlVoa0GD+9KETw+x+HTbG4qcr1JQ0EYKvMJjDDQptPgVSpi5dh3FnjLe7/aedtZNFgh5 ecMZJVK4y8GIQkt4pSg4KKRenoi2r5gRuC9+3OeBnamjYnQsyVSaTivYi6qMp63WWsVy 07Y1+nxHdwTqZv3+U22/IJ3ahZ5iudFcG8JtLzTMH95N8Zr/JZJc2lqn084dBxM/Y4Zp F1wu3HaTz7efzj/Fb8KQKAP5r+kHxDJJ/qRUlHYpXbOBVgLtOeNZ9+PsnxjGEFGk4X8Q 7GHA== X-Received: by 10.180.38.68 with SMTP id e4mr6990796wik.9.1438870756229; Thu, 06 Aug 2015 07:19:16 -0700 (PDT) Received: from cizrna.lan ([109.72.12.154]) by smtp.gmail.com with ESMTPSA id z5sm9727282wjr.42.2015.08.06.07.19.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Aug 2015 07:19:15 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150806_071936_706205_776A3B36 X-CRM114-Status: GOOD ( 13.94 ) 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 , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Rob Herring , Javier Martinez Canillas , Mark Brown , Thierry Reding , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,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 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*/