From patchwork Mon Sep 7 12:23:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7134351 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 DA6D99F380 for ; Mon, 7 Sep 2015 12:27:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EDEEB2066C for ; Mon, 7 Sep 2015 12:27:01 +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 22C0F2066B for ; Mon, 7 Sep 2015 12:27:01 +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 1ZYvTt-0008Jj-DH; Mon, 07 Sep 2015 12:25:05 +0000 Received: from mail-wi0-x234.google.com ([2a00:1450:400c:c05::234]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZYvTS-0007vE-7h for linux-arm-kernel@lists.infradead.org; Mon, 07 Sep 2015 12:24:38 +0000 Received: by wicge5 with SMTP id ge5so82211006wic.0 for ; Mon, 07 Sep 2015 05:24:21 -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; bh=NvLQo/PGGLga3rn25h0Jv2FS6lBmGCLIHDU3yi+gR4k=; b=imH2D6jdbkOC9mMKiSZLQg0ijXNgfL75SE8fBTG0sQXMb01WL1c3gMhYktin+2lY7f HM4C/qAsTnIswz/Al6USX7eryXpIna/DtVnn2Gh7jfnhqDpco8GnKPRJpfOExx+bTQFR M8Gn7Uhn+3m29q1x/QGDCat60abnECT9Cz/lZDP6pdO1txpQ8GW6DVGPOhbD9ygngfpn 2fGHBOuST6I3TsmcFiakGgeHj7Q59dB375IVgAOlgk4GQfsXjgpC2S5GxfHJalb+XADL Dkl0znbB8BgYbU+7xdLJPekSHwKoj7JZ5/YwMaWNWC+ueFBN0WQTA4jQuch/lu+OM8qh zymw== X-Received: by 10.194.122.132 with SMTP id ls4mr33562954wjb.130.1441628660947; Mon, 07 Sep 2015 05:24:20 -0700 (PDT) Received: from cizrna.lan ([109.72.12.78]) by smtp.gmail.com with ESMTPSA id cm6sm15438wib.22.2015.09.07.05.24.18 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Sep 2015 05:24:20 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v4 08/22] regulator: core: Probe regulators on demand Date: Mon, 7 Sep 2015 14:23:33 +0200 Message-Id: <1441628627-5143-9-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1441628627-5143-1-git-send-email-tomeu.vizoso@collabora.com> References: <1441628627-5143-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150907_052438_606568_D0F3003B X-CRM114-Status: GOOD ( 12.35 ) X-Spam-Score: -2.3 (--) 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" , Liam Girdwood , 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=-4.1 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 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 f4aa6cae76d5..615133f45c76 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -1340,6 +1341,7 @@ 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); mutex_lock(®ulator_list_mutex); list_for_each_entry(r, ®ulator_list, list) if (r->dev.parent &&