From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753793AbcBVIJH (ORCPT ); Mon, 22 Feb 2016 03:09:07 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:15616 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751361AbcBVIJF (ORCPT ); Mon, 22 Feb 2016 03:09:05 -0500 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Mon, 22 Feb 2016 00:09:03 -0800 From: Wei Ni To: , , CC: , , , , , Wei Ni Subject: [PATCH v6 07/12] thermal: of-thermal: allow setting trip_temp on hardware Date: Mon, 22 Feb 2016 16:09:15 +0800 Message-ID: <1456128555-29058-1-git-send-email-wni@nvidia.com> X-Mailer: git-send-email 1.9.1 X-NVConfidentiality: public MIME-Version: 1.0 X-Originating-IP: [10.19.224.146] X-ClientProxiedBy: DRBGMAIL102.nvidia.com (10.18.16.21) To HKMAIL101.nvidia.com (10.18.16.10) Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In current of-thermal, the .set_trip_temp only support to set trip_temp for SW. But some sensors support to set trip_temp on hardware, so that can trigger interrupt, shutdown or any other events. This patch adds .set_trip_temp() callback in thermal_zone_of_device_ops{}, so that the sensor device can use it to set trip_temp on hardware. Signed-off-by: Wei Ni --- drivers/thermal/of-thermal.c | 8 ++++++++ include/linux/thermal.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index be4eedcb839a..fbfc5a52dc27 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -331,6 +331,14 @@ static int of_thermal_set_trip_temp(struct thermal_zone_device *tz, int trip, if (trip >= data->ntrips || trip < 0) return -EDOM; + if (data->ops->set_trip_temp) { + int ret; + + ret = data->ops->set_trip_temp(data->sensor_data, trip, temp); + if (ret) + return ret; + } + /* thermal framework should take care of data->mask & (1 << trip) */ data->trips[trip].temperature = temp; diff --git a/include/linux/thermal.h b/include/linux/thermal.h index e13a1ace50e9..e69296dc583b 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -338,6 +338,7 @@ struct thermal_zone_of_device_ops { int (*get_temp)(void *, int *); int (*get_trend)(void *, long *); int (*set_emul_temp)(void *, int); + int (*set_trip_temp)(void *, int, int); }; /** -- 1.9.1