From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <1459247364-1139-1-git-send-email-wni@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1459247364-1139-1-git-send-email-wni-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: edubezval-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, rui.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Cc: MLongnecker-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org, mikko.perttunen-/1wQRMveznE@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Wei Ni List-Id: linux-pm@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 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