From patchwork Thu Aug 6 14:11:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 6959641 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4CC94C05AC for ; Thu, 6 Aug 2015 14:22:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 71C102066F for ; Thu, 6 Aug 2015 14:22:48 +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 066AE20658 for ; Thu, 6 Aug 2015 14:22:43 +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 1ZNM25-0004iA-Ak; Thu, 06 Aug 2015 14:20:33 +0000 Received: from mail-wi0-x22e.google.com ([2a00:1450:400c:c05::22e]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZNM0t-0002rN-2T for linux-arm-kernel@lists.infradead.org; Thu, 06 Aug 2015 14:19:20 +0000 Received: by wicgj17 with SMTP id gj17so24657718wic.1 for ; Thu, 06 Aug 2015 07:18:57 -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; bh=THis3mtKcusionqtoljHL51KZOH1E4S0o2YUDMWIpSg=; b=Zb7jfSeqqPRzqFbIOCuOpgYxdKNhH1coDGOHU7gZcJbKkOTMxiMXh9R2LtnjUGbQAV IRw9IWQAX6clAp3kG3nhowadKtF4XYR+WkZL3EsNTVBoMqcEypXxJoQWqDXVoqedTvyV UQKfQ6y7MiswpMAgxy6hHLHu4HeXJF8+gQuA5pkF0JwW5WO85hin6bKXoeSoUNqyUUIP DSFlNv0eadbjtc0tH+i/g5E3tWiqg6JdIWc+hw5LjeF0aFOtMuzv4Lc69T8sf0G2248X zgE+EWS3MbHjjBoqTIUBT10eY//VKvodSPvUWUqG8O6ihRqfWXv/jZANIs4tiUmx52mq wwTg== X-Received: by 10.180.95.35 with SMTP id dh3mr6875952wib.30.1438870737442; Thu, 06 Aug 2015 07:18:57 -0700 (PDT) Received: from cizrna.lan ([109.72.12.154]) by smtp.gmail.com with ESMTPSA id z5sm9727282wjr.42.2015.08.06.07.18.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Aug 2015 07:18:56 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v3 06/18] regulator: core: Probe regulators on demand Date: Thu, 6 Aug 2015 16:11:43 +0200 Message-Id: <1438870315-18689-7-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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150806_071919_425678_604D6BA9 X-CRM114-Status: GOOD ( 11.82 ) 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 MIME-Version: 1.0 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 regulator 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 drivers/regulator/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 5f6c76142b08..73ac9fb07f96 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -1336,6 +1337,7 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev, if (dev && dev->of_node) { node = of_get_regulator(dev, supply); if (node) { + of_platform_probe(node); mutex_lock(®ulator_list_mutex); list_for_each_entry(r, ®ulator_list, list) if (r->dev.parent &&