Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754889AbaJNG2S (ORCPT ); Tue, 14 Oct 2014 02:28:18 -0400 Received: from mail-wg0-f47.google.com ([74.125.82.47]:56893 "EHLO mail-wg0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753763AbaJNG2Q (ORCPT ); Tue, 14 Oct 2014 02:28:16 -0400 From: Romain Perier To: devicetree@vger.kernel.org Cc: broonie@kernel.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, heiko@sntech.de, grant.likely@linaro.org, robh@kernel.org, mark.rutland@arm.com Subject: [RFC v3 PATCH 1/5] of: Add standard property for poweroff capability Date: Tue, 14 Oct 2014 06:31:09 +0000 Message-Id: <1413268273-15151-1-git-send-email-romain.perier@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Several drivers create their own devicetree property when they register poweroff capabilities. This is for example the case for mfd, regulator or power drivers which define "vendor,system-power-controller" property. This patch adds support for a standard property "poweroff-source" which marks the device as able to shutdown the system. Signed-off-by: Romain Perier --- include/linux/of.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/linux/of.h b/include/linux/of.h index 6545e7a..27b3ba1 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -866,4 +866,15 @@ static inline int of_changeset_update_property(struct of_changeset *ocs, /* CONFIG_OF_RESOLVE api */ extern int of_resolve_phandles(struct device_node *tree); +/** + * of_system_has_poweroff_source - Tells if poweroff-source is found for device_node + * @np: Pointer to the given device_node + * + * return true if present false otherwise + */ +static inline bool of_system_has_poweroff_source(const struct device_node *np) +{ + return of_property_read_bool(np, "poweroff-source"); +} + #endif /* _LINUX_OF_H */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/