From patchwork Thu Nov 20 16:21:25 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Majewski X-Patchwork-Id: 5349491 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6D713C11AC for ; Thu, 20 Nov 2014 16:23:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9BE2A2021B for ; Thu, 20 Nov 2014 16:23:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F1938201B9 for ; Thu, 20 Nov 2014 16:23:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757607AbaKTQVu (ORCPT ); Thu, 20 Nov 2014 11:21:50 -0500 Received: from mailout2.samsung.com ([203.254.224.25]:57693 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756725AbaKTQVr (ORCPT ); Thu, 20 Nov 2014 11:21:47 -0500 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NFC007O5IS9AXB0@mailout2.samsung.com>; Fri, 21 Nov 2014 01:21:45 +0900 (KST) X-AuditID: cbfee61b-f79d76d0000024d6-73-546e1519cfa0 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 2D.B6.09430.9151E645; Fri, 21 Nov 2014 01:21:45 +0900 (KST) Received: from mcdsrvbld02.digital.local ([106.116.37.23]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0NFC00JRUIRUIV90@mmp1.samsung.com>; Fri, 21 Nov 2014 01:21:45 +0900 (KST) 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 1/4] thermal: of: Extend of-thermal.c to provide number of trip points Date: Thu, 20 Nov 2014 17:21:25 +0100 Message-id: <1416500488-7232-2-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+NgFjrOLMWRmVeSWpSXmKPExsVy+t9jAV1J0bwQg/vPjCwer1nMZLFxxnpW iy+f+9gs5l+5xmqx5q+SxZtH3BZvHm5mtLi8aw6bxefeI4wWTxaeYbJ4cHUam8WTh0Clrw62 sVj83DWPxYHPY+esu+wei/e8ZPJYN+0ts0dv8zs2j7+z9rN47PzewO7Rt2UVo8fnTXIeG+eG BnBGcdmkpOZklqUW6dslcGUsXutY8FqgYtXvuAbGXr4uRg4OCQETiSsPHLoYOYFMMYkL99az dTFycQgJLGKU+P/qNROE08Uk8fn8OyaQKjYBPYnPd5+C2SIC3hKv901nBCliFmhnkbh+aDcj SEJYIFpi3pZzYDaLgKrEjinX2EFsXgFXidVdG5gh1ilKdD+bwAZicwq4SWxc1swCsa2BUWLC nRbGCYy8CxgZVjGKphYkFxQnpeca6RUn5haX5qXrJefnbmIEB+8z6R2MqxosDjEKcDAq8fAm WOSGCLEmlhVX5h5ilOBgVhLhlWPPCxHiTUmsrEotyo8vKs1JLT7EKM3BoiTOe+MmULVAemJJ anZqakFqEUyWiYNTqoFxWdbb5sSMU7Zr762IY+7mejSB9fyTl+ZLF83TdjqcULP8l3rYDn0G 2cVHeIOnLpntNkf0g2PkXw3ztULm8urxs5lrrvYw/2wXO7YycA3zthzP1wYT3t1Q5nv/alai 8rQOT57Iu8f2MTavynFyuzh9msgjjaWzkiX35bmWRswQUHl/zKFSwc5NiaU4I9FQi7moOBEA EOTCg1oCAAA= Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch extends the of-thermal.c to provide information about number of available trip points. Signed-off-by: Lukasz Majewski --- 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 | 20 ++++++++++++++++++++ drivers/thermal/thermal_core.h | 5 +++++ 2 files changed, 25 insertions(+) diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index b7982f0..7170822 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -112,6 +112,26 @@ 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; +} + 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..c3c7b82 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 *) +{ + return 0; +} #endif #endif /* __THERMAL_CORE_H__ */