From patchwork Mon Sep 21 14:02:48 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7231431 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 5957C9F30C for ; Mon, 21 Sep 2015 14:07:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6F8CB207C3 for ; Mon, 21 Sep 2015 14:07:51 +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 A3639207B9 for ; Mon, 21 Sep 2015 14:07:50 +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 1Ze1ig-0004PE-3t; Mon, 21 Sep 2015 14:05:26 +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 1Ze1hR-00025F-20 for linux-arm-kernel@lists.infradead.org; Mon, 21 Sep 2015 14:04:13 +0000 Received: by wiclk2 with SMTP id lk2so113282121wic.1 for ; Mon, 21 Sep 2015 07:03:48 -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=S1QgB6IMeBYWSkSYJh9JxfmPVsS8ffAU88gdfu5tjSQ=; b=fiYS4WYRgcHfLbpH0D2d6yj/I/WXCQ8CnmEWFpwKok4W31qQ7qkBqgd7ARcnMWm9MB Vy6ZhPqDnKeTxzxWCmDlZr95iZgEEVAtaseIN9/MOCXK4TwjnbwbjgOGhtM62x/qbWK1 4nKsZHD/kVLlIXB8AfWtrrSVKlIuHek89uJHiaqHseWpNkT6bCrsjKumHYm0G42aZ97Q P+dgyBEfZiRH/jLbZnvN6Xy8HahapoW+6JA1DdmhihrOG/rfGo+LOKZbcVPzoO46CbQi i/c5yhL1H07huZzFyKqIwpSfQK297tvEXVLcGvaHC+oyfQy4avDOsCOhcFeMCTHeIiwc fB3Q== X-Received: by 10.194.19.169 with SMTP id g9mr22463557wje.64.1442844227512; Mon, 21 Sep 2015 07:03:47 -0700 (PDT) Received: from cizrna.lan ([109.72.12.69]) by smtp.gmail.com with ESMTPSA id gk9sm13687031wib.9.2015.09.21.07.03.45 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 21 Sep 2015 07:03:46 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v6 08/22] regulator: core: Probe regulators on demand Date: Mon, 21 Sep 2015 16:02:48 +0200 Message-Id: <1442844182-27787-9-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> References: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150921_070409_272553_F4825821 X-CRM114-Status: GOOD ( 12.56 ) 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,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 Acked-by: Mark Brown --- drivers/regulator/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index af045e5a83ef..a6ed657c691b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -1382,6 +1383,7 @@ 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;