From patchwork Tue Jul 28 13:19:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 6885021 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 5E8EA9F380 for ; Tue, 28 Jul 2015 13:26:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7E722206CE for ; Tue, 28 Jul 2015 13:26:04 +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 B2F3D2065B for ; Tue, 28 Jul 2015 13:26:03 +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 1ZK4rC-00071r-S3; Tue, 28 Jul 2015 13:23:46 +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 1ZK4ok-0004x6-7Z for linux-arm-kernel@lists.infradead.org; Tue, 28 Jul 2015 13:21:17 +0000 Received: by wibxm9 with SMTP id xm9so157034603wib.0 for ; Tue, 28 Jul 2015 06:20:52 -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=RRMoFwLqs3gBRV4woPxsvXjBMNacUSkJzq2RRrZAgp8=; b=TCpjHRV8gI4lMog9DvbFc6Nj5WBqn3YkX95tRq8i33cUhmyV80ADQRoE1ENxFd7l4F PbDYKqBM8PC9x1OMKwhVwJ5ulQofVq+7LCFx1VUdQtT4u0R1Ja+o50SP5qTg24PkL0cU ntwlhdvg0G9a1ea8hRWH72hkML9DnIeAukEjsiMIUSbcwdfDLYSLHV/oWfETFg2dh7CN cYdg/4omWupipGELlCEqmh9SBkOE+GrN8zMonnMqQ4JSgnBf7YrloxPo68b8nBKT0Bew moTArISP9QBMjVVY6z61uigbe4bjAqcnZQkiK1j1qbLRG94/iY6p4iCUJ6RIrJc41H/c 8Jgg== X-Received: by 10.194.205.37 with SMTP id ld5mr70832673wjc.14.1438089652480; Tue, 28 Jul 2015 06:20:52 -0700 (PDT) Received: from cizrna.lan ([109.72.12.179]) by smtp.gmail.com with ESMTPSA id h9sm33265696wjx.20.2015.07.28.06.20.50 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Jul 2015 06:20:51 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v2 10/22] regulator: core: Probe regulators on demand Date: Tue, 28 Jul 2015 15:19:41 +0200 Message-Id: <1438089593-7696-11-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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150728_062114_726691_F40747F6 X-CRM114-Status: GOOD ( 12.12 ) 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, linux-acpi@vger.kernel.org, Arnd Bergmann , Stephen Warren , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Liam Girdwood , Tomeu Vizoso , 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=-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 regulator 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 drivers/regulator/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 65a3f28d452c..568f095df351 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1336,6 +1336,7 @@ static struct regulator_dev *regulator_dev_lookup(struct device *dev, if (dev && dev->of_node) { node = of_get_regulator(dev, supply); if (node) { + fwnode_ensure_device(&node->fwnode); mutex_lock(®ulator_list_mutex); list_for_each_entry(r, ®ulator_list, list) if (r->dev.parent &&