From patchwork Tue Jul 28 13:19:53 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 6885381 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 9811F9F380 for ; Tue, 28 Jul 2015 13:32:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C7BDB20755 for ; Tue, 28 Jul 2015 13:32:52 +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 DA42D20752 for ; Tue, 28 Jul 2015 13:32:51 +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 1ZK4xy-0000Ht-BI; Tue, 28 Jul 2015 13:30:46 +0000 Received: from mail-wi0-x22b.google.com ([2a00:1450:400c:c05::22b]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZK4p8-00059c-6J for linux-arm-kernel@lists.infradead.org; Tue, 28 Jul 2015 13:21:40 +0000 Received: by wicmv11 with SMTP id mv11so179342183wic.0 for ; Tue, 28 Jul 2015 06:21:21 -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=I3/7q1VRgweZZwPAldNVz+JGdLRPxvShffY0qWGZZIs=; b=e6Z68Qza5JqVMKip9rhBkL4B29CqwakaLwnhOghzq8JJ8/4sDppibauKr69RiDPRQ1 eDZpUIFnqbV9l0RUZSTmeoAhmHT9L4FL8hB5z16vn722Y0rwBBC2upBhDiBdHLWFgpTd lCgAhYPa6L0wX/Yzfw4hitTkQENAysYnyGYSQ0hAU9FNox7Hez9a5tiSyky0LFU7/REX YE9mMNCQJCLDmOajZoc31zlTfnWUCt+iECuwEgWzy9XiMfke+ycBjBc/EZXPoBrkRCPV Jnh/hXqLpqNbRzcu4+EEyORZ8J2Tj0FSsV4rRsxFkCDUrcVRj2xou3aj3Pk6L39m5QHd z2uw== X-Received: by 10.180.74.162 with SMTP id u2mr35332810wiv.0.1438089681214; Tue, 28 Jul 2015 06:21:21 -0700 (PDT) Received: from cizrna.lan ([109.72.12.179]) by smtp.gmail.com with ESMTPSA id h9sm33265696wjx.20.2015.07.28.06.21.19 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Jul 2015 06:21:20 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v2 22/22] ASoC: core: Probe components on demand Date: Tue, 28 Jul 2015 15:19:53 +0200 Message-Id: <1438089593-7696-23-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> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150728_062138_637703_6E879000 X-CRM114-Status: GOOD ( 13.76 ) 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: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-acpi@vger.kernel.org, Arnd Bergmann , Stephen Warren , Liam Girdwood , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Takashi Iwai , Tomeu Vizoso , Jaroslav Kysela , 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=-5.5 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 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 sound/soc/soc-core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index c81aec9c872a..4c55da97f9ed 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -865,10 +865,12 @@ 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; + fwnode_ensure_device(&of_node->fwnode); + lockdep_assert_held(&client_mutex); list_for_each_entry(component, &component_list, list) { @@ -890,6 +892,8 @@ static struct snd_soc_dai *snd_soc_find_dai( struct snd_soc_dai *dai; struct device_node *component_of_node; + fwnode_ensure_device(&dlc->of_node->fwnode); + lockdep_assert_held(&client_mutex); /* Find CPU DAI from registered DAIs*/