Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757772AbaKTQWJ (ORCPT ); Thu, 20 Nov 2014 11:22:09 -0500 Received: from mailout4.samsung.com ([203.254.224.34]:31923 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757529AbaKTQWF (ORCPT ); Thu, 20 Nov 2014 11:22:05 -0500 X-AuditID: cbfee61b-f79d76d0000024d6-8b-546e152c4163 From: Lukasz Majewski To: Eduardo Valentin , Zhang Rui Cc: Linux PM list , Thierry Reding , Bartlomiej Zolnierkiewicz , Lukasz Majewski , Mikko Perttunen , Stephen Warren , Abhilash Kesavan , Abhilash Kesavan , Guenter Roeck , linux-kernel@vger.kernel.org, Caesar Wang , Lukasz Majewski Subject: [PATCH v2 4/4] thermal: of: Extend current of-thermal.c code to allow setting emulated temp Date: Thu, 20 Nov 2014 17:21:28 +0100 Message-id: <1416500488-7232-5-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1416500488-7232-1-git-send-email-l.majewski@samsung.com> References: <1412872737-624-1-git-send-email-l.majewski@samsung.com> <1416500488-7232-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrJLMWRmVeSWpSXmKPExsVy+t9jAV0d0bwQg0ctHBaP1yxmstg4Yz2r xZfPfWwW869cY7VY81fJ4s0jbos3DzczWlzeNYfN4nPvEUaLJwvPMFk8uDqNzeLJQ6DSVwfb WCx+7prH4sDnsXPWXXaPxXteMnmsm/aW2aO3+R2bx99Z+1k8dn5vYPfo27KK0ePzJjmPjXND AzijuGxSUnMyy1KL9O0SuDI+b+1gLHgmXLFg7zHWBsYNAl2MnBwSAiYSzdffs0PYYhIX7q1n 62Lk4hASWMQo0fT3PCuE08Uk8e3gZTaQKjYBPYnPd58ygdgiAt4Sr/dNZwQpYhZoZ5G4fmg3 I0hCWCBN4tv2KUANHBwsAqoS22fbgYR5BVwlns6YwgSxTVGi+9kEsJmcAm4SG5c1s0Asa2CU mHCnhXECI+8CRoZVjKKpBckFxUnpuUZ6xYm5xaV56XrJ+bmbGMEB/Ex6B+OqBotDjAIcjEo8 vAkWuSFCrIllxZW5hxglOJiVRHjl2PNChHhTEiurUovy44tKc1KLDzFKc7AoifPeuAlULZCe WJKanZpakFoEk2Xi4JRqYDT5xeh3b+GfdbxvO3InOl39+NHF7IH3w+kWEftXHvwRcWbJf6PW ihZxy2PWD6tPc52ZmRlzs8TXSMh33QcmTvYTjZ0hB95F26jUf8wytTi5h9co8cJ7btlPWW0d H+23PRFzmjlx7Y5JO2drNtza4fN156a4k4+mKdbs4l7kcfyYmoAqc8GWa/VKLMUZiYZazEXF iQC62BQKXAIAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Before this change it was only possible to set get_temp() and get_trend() methods to be used in the common code handling passing parameters via device tree to "cpu-thermal" CPU thermal zone device. Now it is possible to also set emulated value of temperature for debug purposes. Signed-off-by: Lukasz Majewski --- Changes for v2: - Rework the emulated temperature setting code to use of_thermal_sensor_ops structure --- drivers/thermal/of-thermal.c | 24 ++++++++++++++++++++++++ include/linux/thermal.h | 1 + 2 files changed, 25 insertions(+) diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 33921c5..ad7dc2b 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -174,6 +174,28 @@ of_thermal_get_trip_points(struct thermal_zone_device *tz) return data->gtrips; } +/** + * of_thermal_set_emul_temp - function to set emulated temperature + * + * @tz: pointer to a thermal zone + * @temp: temperature to set + * + * This function gives the ability to set emulated value of temperature, + * which is handy for debugging + * + * Return: zero on success, error code otherwise + */ +static int of_thermal_set_emul_temp(struct thermal_zone_device *tz, + unsigned long temp) +{ + struct __thermal_zone *data = tz->devdata; + + if (!data->ops || !data->ops->set_emul_temp) + return -EINVAL; + + return data->ops->set_emul_temp(data->sensor_data, temp); +} + static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip, enum thermal_trend *trend) { @@ -405,6 +427,7 @@ thermal_zone_of_add_sensor(struct device_node *zone, tzd->ops->get_temp = of_thermal_get_temp; tzd->ops->get_trend = of_thermal_get_trend; + tzd->ops->set_emul_temp = of_thermal_set_emul_temp; mutex_unlock(&tzd->lock); return tzd; @@ -533,6 +556,7 @@ void thermal_zone_of_sensor_unregister(struct device *dev, mutex_lock(&tzd->lock); tzd->ops->get_temp = NULL; tzd->ops->get_trend = NULL; + tzd->ops->set_emul_temp = NULL; tz->ops = NULL; tz->sensor_data = NULL; diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 88d7249..5eb9d44 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -301,6 +301,7 @@ struct thermal_genl_event { struct thermal_zone_of_device_ops { int (*get_temp)(void *, long *); int (*get_trend)(void *, long *); + int (*set_emul_temp)(void *, unsigned long); }; /** -- 2.0.0.rc2 -- 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/