From patchwork Thu Sep 17 12:57:03 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7207411 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 B2C029F336 for ; Thu, 17 Sep 2015 13:25:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D7C7B2084B for ; Thu, 17 Sep 2015 13:25:17 +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 0D03920602 for ; Thu, 17 Sep 2015 13:25:17 +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 1ZcZAE-0007Ai-Rz; Thu, 17 Sep 2015 13:23:50 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZcZ9U-0006Jz-8E for linux-arm-kernel@bombadil.infradead.org; Thu, 17 Sep 2015 13:23:04 +0000 Received: from mail-wi0-f181.google.com ([209.85.212.181]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZcYlc-0005U1-Ry for linux-arm-kernel@lists.infradead.org; Thu, 17 Sep 2015 12:58:25 +0000 Received: by wicge5 with SMTP id ge5so117627318wic.0 for ; Thu, 17 Sep 2015 05:57:59 -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=qJ/bbelXFCOaHaeF+Ygl1k521bAjpdQO0f5lktjzpyQ=; b=QEPFYcuQK+agge8P89T8sHnxRgMcqcoA2xF9KkJ9q4Qhe4cykaTju8wzqFkT/sZBcA Kto1LPMJqCoNdl1m65/KZJGAgixBZw5mj6NH2l+WpMC/x0nn95UWgwZIK0bxmFd4B4wZ DvMGOOBmQXxT7DayDHT+4NvC3ZMBA3aaHFCDai+/frAjOwcEVwtx585/khY1zsPUYqV+ Ds3T4qJUDHHo0WCAa0cXrQAfUkpim/oQXWuhQ5x30yGgZi4IpCjDBrmUWbeQDOqvlDn4 7poGshntALnw73wrO/Ag6GStnRaLpQ5u2uLdt2WkZAfCNCtCDgCpIaM8lHlRkj23geds tosg== X-Received: by 10.180.211.116 with SMTP id nb20mr7730440wic.50.1442494679403; Thu, 17 Sep 2015 05:57:59 -0700 (PDT) Received: from cizrna.lan ([109.72.12.203]) by smtp.gmail.com with ESMTPSA id jr5sm2203032wjc.26.2015.09.17.05.57.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Sep 2015 05:57:58 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v5 09/23] regulator: core: Probe regulators on demand Date: Thu, 17 Sep 2015 14:57:03 +0200 Message-Id: <1442494637-3674-10-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1442494637-3674-1-git-send-email-tomeu.vizoso@collabora.com> References: <1442494637-3674-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150917_135824_927103_039C73D7 X-CRM114-Status: GOOD ( 14.17 ) X-Spam-Score: -2.6 (--) 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 , Greg Kroah-Hartman , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Rob Herring , Javier Martinez Canillas , Mark Brown , Thierry Reding , Alan Stern , 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=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, 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 v5: None Changes in v4: None 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 24245c78b58c..54d83974ba5c 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -1371,6 +1372,7 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev, if (dev && dev->of_node) { node = of_get_regulator(dev, supply); if (node) { + of_device_probe(node); r = of_find_regulator_by_node(node); if (r) return r;