From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754055AbbGAJpC (ORCPT ); Wed, 1 Jul 2015 05:45:02 -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 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org So others can find out what depends on regulators, as specified in bindings/regulator/regulator.txt. Signed-off-by: Tomeu Vizoso --- 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; } -- 2.4.1