From patchwork Wed Jul 1 09:41:04 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 490002 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 1282C1402B9 for ; Wed, 1 Jul 2015 19:43:49 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=yOM0Q6E7; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753977AbbGAJni (ORCPT ); Wed, 1 Jul 2015 05:43:38 -0400 Received: from mail-wg0-f48.google.com ([74.125.82.48]:32805 "EHLO mail-wg0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751878AbbGAJnA (ORCPT ); Wed, 1 Jul 2015 05:43:00 -0400 Received: by wgck11 with SMTP id k11so31772816wgc.0; Wed, 01 Jul 2015 02:42:58 -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=ANaVA3q08CF176sekLofd6RG90OonTPrPmQsSzIwQO0=; b=yOM0Q6E72jIkgHm84FPS9+dtOE4OjoTCUPvj8UivBwKq4ymt5yHHgGbcZe1Gc63GLI GZ3el7XUjbiX9hQgmlRQG1yR2JH9F+Cc7FszgbDotnzV5ySKJV6a78BZ2u4Qqw4zLcp6 Iphi6db17uC4TvnMCVkOR6R1qMkFcVUvib3FPL08KRzVMXKplqkNwYqB4UJwzz8svuO3 3/RGaBFbk2g3KRBC9OmB0MwWKaJzXnJMc7O9I+fDmj79bi12cklUE+Hfp2ZS3Zr4KGo6 DU1KIzBZcLta2VudbD3lKYKmyQcUa/9uYsbeBb6L9D8ouOA2cyfjI5OWqK49Yz9U7KO0 Qxcg== X-Received: by 10.180.20.15 with SMTP id j15mr4727497wie.76.1435743778702; Wed, 01 Jul 2015 02:42:58 -0700 (PDT) Received: from cizrna.lan ([109.72.12.160]) by mx.google.com with ESMTPSA id x10sm1992663wjr.25.2015.07.01.02.42.47 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 Jul 2015 02:42:57 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Cc: Mark Brown , linux-acpi@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-pwm@vger.kernel.org, "Rafael J. Wysocki" , alsa-devel@alsa-project.org, Tomeu Vizoso , Liam Girdwood Subject: [PATCH v2 09/12] regulator: register dependency parser for firmware nodes Date: Wed, 1 Jul 2015 11:41:04 +0200 Message-Id: <1435743667-11987-10-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.1 In-Reply-To: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> References: <1435743667-11987-1-git-send-email-tomeu.vizoso@collabora.com> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org So others can find out what depends on regulators, as specified in bindings/regulator/regulator.txt. Signed-off-by: Tomeu Vizoso Reviewed-by: Mark Brown --- Changes in v2: None drivers/regulator/core.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index c9f7201..535cad0 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -4112,6 +4112,31 @@ static const struct file_operations regulator_summary_fops = { #endif }; +static void regulator_get_dependencies(struct fwnode_handle *fwnode, + struct list_head *deps) +{ + struct device_node *np; + struct property *pp; + struct device_node *dep; + + np = to_of_node(fwnode); + if (!np) + return; + + for_each_property_of_node(np, pp) { + if (!strends(pp->name, "-supply")) + continue; + + dep = of_parse_phandle(np, pp->name, 0); + if (!dep) + continue; + + fwnode_add_dependency(&dep->fwnode, deps); + + of_node_put(dep); + } +} + static int __init regulator_init(void) { int ret; @@ -4130,6 +4155,8 @@ static int __init regulator_init(void) regulator_dummy_init(); + fwnode_add_dependency_parser(regulator_get_dependencies); + return ret; }