From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751735AbcFEASf (ORCPT ); Sat, 4 Jun 2016 20:18:35 -0400 Received: from mail.kmu-office.ch ([178.209.48.109]:34624 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751393AbcFEASW (ORCPT ); Sat, 4 Jun 2016 20:18:22 -0400 From: Stefan Agner To: lee.jones@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, khilman@baylibre.com, carlo@caione.org Cc: b.galvani@gmail.com, max.oss.09@gmail.com, marcel@ziswiler.com, linux@armlinux.org.uk, galak@codeaurora.org, ijc+devicetree@hellion.org.uk, mark.rutland@arm.com, pawel.moll@arm.com, robh+dt@kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, Stefan Agner Subject: [PATCH 4/5] mfd: rn5t618: register power off callback optionally Date: Sat, 4 Jun 2016 17:17:48 -0700 Message-Id: <20160605001749.4062-6-stefan@agner.ch> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20160605001749.4062-1-stefan@agner.ch> References: <20160605001749.4062-1-stefan@agner.ch> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Only register power off if the PMIC is defined as system power controller (see Documentation/devicetree/bindings/power/ power-controller.txt). Signed-off-by: Stefan Agner --- drivers/mfd/rn5t618.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c index 7607ced..d9b4d40 100644 --- a/drivers/mfd/rn5t618.c +++ b/drivers/mfd/rn5t618.c @@ -103,9 +103,13 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c, return ret; } - if (!pm_power_off) { - rn5t618_pm_power_off = priv; - pm_power_off = rn5t618_power_off; + if (of_device_is_system_power_controller(i2c->dev.of_node)) { + if (!pm_power_off) { + rn5t618_pm_power_off = priv; + pm_power_off = rn5t618_power_off; + } else { + dev_err(&i2c->dev, "Failed to set poweroff capability, already defined\n"); + } } return 0; -- 2.8.3