Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756130AbaLHRGJ (ORCPT ); Mon, 8 Dec 2014 12:06:09 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:34656 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750908AbaLHRGH (ORCPT ); Mon, 8 Dec 2014 12:06:07 -0500 X-AuditID: cbfee61a-f79c06d000004e71-1f-5485da7d2a5a 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 , navneet kumar , Lukasz Majewski Subject: [PATCH v3 1/5] thermal: of: Extend of-thermal.c to provide number of trip points Date: Mon, 08 Dec 2014 18:04:17 +0100 Message-id: <1418058261-25251-2-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1418058261-25251-1-git-send-email-l.majewski@samsung.com> References: <1416500488-7232-1-git-send-email-l.majewski@samsung.com> <1418058261-25251-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrPLMWRmVeSWpSXmKPExsVy+t9jAd3aW60hBueeGVg8XrOYyWLjjPWs Fl8+97FZzL9yjdVizV8lizePuC3ePNzMaHF51xw2i8+9Rxgtniw8w2Tx4Oo0Not9a5YyWTx5 CFT/6mAbi8XPXfNYHPg9ds66y+6xeM9LJo91094ye/Q2v2Pz+DtrP4vHzu8N7B59W1Yxenze JOexcW5oAGcUl01Kak5mWWqRvl0CV0bP7gtsBdOEKs59ncXawDifv4uRk0NCwETi7o49jBC2 mMSFe+vZuhi5OIQEFjFK9LUvZ4FwupgkOtYtYgGpYhPQk/h89ykTiC0i4C3xet90RpAiZoE1 LBIfrt5lA0kIC0RL9O28DjaWRUBVYtLzeewgNq+Am8TcPW9YIdYpSnQ/mwBWzyngLnH+3nVW iG1NjBKXd+xkmcDIu4CRYRWjaGpBckFxUnquoV5xYm5xaV66XnJ+7iZGcDA/k9rBuLLB4hCj AAejEg/vggctIUKsiWXFlbmHGCU4mJVEeJfvbA0R4k1JrKxKLcqPLyrNSS0+xCjNwaIkznvj Zm6IkEB6YklqdmpqQWoRTJaJg1OqgTHDOEcjY/n++kNffB8WReyOuGX1YuJW6TPWH2u/p0t+ VbpksvuBy9GMbxHr3Nf+imLZMe3Tci2xsPkKc2uSfu2SFnhrqMG0YP218rOPRFq667ksk1e9 Kvkm7GV5zOWsUY+EZY5Ojd/urpsCVWs6WplTnz8rffoyTL1vxrvOReaHr4ltvJWUfUmJpTgj 0VCLuag4EQDg9OBLYgIAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch extends the of-thermal.c to provide information about number of available trip points. Signed-off-by: Lukasz Majewski --- Changes for v3: - Exporting of_thermal_get_ntrips symbol as a GPL - Fix build error when CONFIG_THERMAL_OF is disabled Changes for v2: - Provide detailed (doxygen like) description of the of_thermal_get_ntrips() method - Check for data pointer not being NULL --- drivers/thermal/of-thermal.c | 21 +++++++++++++++++++++ drivers/thermal/thermal_core.h | 5 +++++ 2 files changed, 26 insertions(+) diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index b7982f0..7facd23 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -112,6 +112,27 @@ static int of_thermal_get_temp(struct thermal_zone_device *tz, return data->ops->get_temp(data->sensor_data, temp); } +/** + * of_thermal_get_ntrips - function to export number of available trip + * points. + * @tz: pointer to a thermal zone + * + * This function is a globally visible wrapper to get number of trip points + * stored in the local struct __thermal_zone + * + * Return: number of available trip points, -ENODEV when data not available + */ +int of_thermal_get_ntrips(struct thermal_zone_device *tz) +{ + struct __thermal_zone *data = tz->devdata; + + if (!data || IS_ERR(data)) + return -ENODEV; + + return data->ntrips; +} +EXPORT_SYMBOL_GPL(of_thermal_get_ntrips); + static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip, enum thermal_trend *trend) { diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index d15d243..1cc5041 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -89,9 +89,14 @@ static inline void thermal_gov_user_space_unregister(void) {} #ifdef CONFIG_THERMAL_OF int of_parse_thermal_zones(void); void of_thermal_destroy_zones(void); +int of_thermal_get_ntrips(struct thermal_zone_device *); #else static inline int of_parse_thermal_zones(void) { return 0; } static inline void of_thermal_destroy_zones(void) { } +static inline int of_thermal_get_ntrips(struct thermal_zone_device *tz) +{ + return 0; +} #endif #endif /* __THERMAL_CORE_H__ */ -- 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/