Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932190AbcC2KcY (ORCPT ); Tue, 29 Mar 2016 06:32:24 -0400 Received: from nat-hk.nvidia.com ([203.18.50.4]:51351 "EHLO hkmmgate101.nvidia.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751039AbcC2KcU (ORCPT ); Tue, 29 Mar 2016 06:32:20 -0400 X-PGP-Universal: processed; by hkpgpgate102.nvidia.com on Tue, 29 Mar 2016 03:32:17 -0700 From: Wei Ni To: , , CC: , , , , , , Wei Ni Subject: [PATCH V9 RESEND 07/14] thermal: of-thermal: allow setting trip_temp on hardware Date: Tue, 29 Mar 2016 18:29:17 +0800 Message-ID: <1459247364-1139-8-git-send-email-wni@nvidia.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1459247364-1139-1-git-send-email-wni@nvidia.com> References: <1459247364-1139-1-git-send-email-wni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-Originating-IP: [10.19.224.146] X-ClientProxiedBy: HKMAIL102.nvidia.com (10.18.16.11) 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 Content-Length: 1487 Lines: 47 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 acc767b6fdee..85288029b46c 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 a55d0523f75d..97b86c549df1 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -340,6 +340,7 @@ 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