From patchwork Mon Jun 29 11:16:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Pietrasiewicz X-Patchwork-Id: 11630703 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9ABAF739 for ; Mon, 29 Jun 2020 11:17:52 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7459B23A32 for ; Mon, 29 Jun 2020 11:17:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MiQrM8tg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7459B23A32 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=WyFfOAAbYlO+JsqLCicEQST0235exw/EKhE1kfed+G4=; b=MiQrM8tg5UURkHj5WyVCqfGTe8 wqO0m+EUy2mAAoQrF3KBqhHGreHyj7EcAlO0qt0/fom/4gRxBMxe5XoOjnwprTyuf0yAIgd3XGsH2 OTH239sFDSlzQLt8epB/+jIxZH9O6HT9MAuOkiXmIeLcx79q+4Wz+UFafna1pKzvDeIrWflWlblp8 Zp60jVmdKiOcNsukkGND7QcWoagxkUWkkvzSDQYkPbTBIUDoTAJmtg7EEMYoPpUxlsw4nZ66dbmWh 7sawJgKQPJf9/8CSbIHEclMgahYqH+jZiRPvBcFxaH33XDcuJt4T7FoLgujoACouNgZWGWrF6QzJq YXsq9+/g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jprnG-0004rW-Ps; Mon, 29 Jun 2020 11:17:46 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jprm7-0004RO-AR; Mon, 29 Jun 2020 11:16:37 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: andrzej.p) with ESMTPSA id 889ED2A1EAD From: Andrzej Pietrasiewicz To: linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: [PATCH v6 06/11] thermal: Add mode helpers Date: Mon, 29 Jun 2020 13:16:10 +0200 Message-Id: <20200629111615.18131-7-andrzej.p@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200629111615.18131-1-andrzej.p@collabora.com> References: <20200629111615.18131-1-andrzej.p@collabora.com> X-Spam-Note: CRM114 invocation failed X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Emmanuel Grumbach , Heiko Stuebner , "Rafael J . Wysocki" , Vishal Kulkarni , Luca Coelho , Miquel Raynal , kernel@collabora.com, Fabio Estevam , Amit Kucheria , kernel test robot , Chunyan Zhang , Daniel Lezcano , Allison Randal , NXP Linux Team , Darren Hart , Zhang Rui , Gayatri Kammela , Len Brown , Johannes Berg , Intel Linux Wireless , Sascha Hauer , Ido Schimmel , Baolin Wang , Jiri Pirko , Orson Zhai , Thomas Gleixner , Kalle Valo , Support Opensource , Enrico Weigelt , Peter Kaestle , Sebastian Reichel , Andrzej Pietrasiewicz , Bartlomiej Zolnierkiewicz , Pengutronix Kernel Team , =?utf-8?q?Niklas_S=C3=B6de?= =?utf-8?q?rlund?= , Shawn Guo , "David S . Miller" , Andy Shevchenko MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org Prepare for making the drivers not access tzd's private members. Signed-off-by: Andrzej Pietrasiewicz Reviewed-by: Bartlomiej Zolnierkiewicz [EXPORT_SYMBOL -> EXPORT_SYMBOL_GPL] Signed-off-by: Andrzej Pietrasiewicz [staticize thermal_zone_device_set_mode()] Signed-off-by: kernel test robot --- drivers/thermal/thermal_core.c | 53 ++++++++++++++++++++++++++++++++++ include/linux/thermal.h | 13 +++++++++ 2 files changed, 66 insertions(+) diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 14d3b1b94c4f..f02c57c986f0 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -459,6 +459,59 @@ static void thermal_zone_device_reset(struct thermal_zone_device *tz) thermal_zone_device_init(tz); } +static int thermal_zone_device_set_mode(struct thermal_zone_device *tz, + enum thermal_device_mode mode) +{ + int ret = 0; + + mutex_lock(&tz->lock); + + /* do nothing if mode isn't changing */ + if (mode == tz->mode) { + mutex_unlock(&tz->lock); + + return ret; + } + + if (tz->ops->set_mode) + ret = tz->ops->set_mode(tz, mode); + + if (!ret) + tz->mode = mode; + + mutex_unlock(&tz->lock); + + thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED); + + return ret; +} + +int thermal_zone_device_enable(struct thermal_zone_device *tz) +{ + return thermal_zone_device_set_mode(tz, THERMAL_DEVICE_ENABLED); +} +EXPORT_SYMBOL_GPL(thermal_zone_device_enable); + +int thermal_zone_device_disable(struct thermal_zone_device *tz) +{ + return thermal_zone_device_set_mode(tz, THERMAL_DEVICE_DISABLED); +} +EXPORT_SYMBOL_GPL(thermal_zone_device_disable); + +int thermal_zone_device_is_enabled(struct thermal_zone_device *tz) +{ + enum thermal_device_mode mode; + + mutex_lock(&tz->lock); + + mode = tz->mode; + + mutex_unlock(&tz->lock); + + return mode == THERMAL_DEVICE_ENABLED; +} +EXPORT_SYMBOL_GPL(thermal_zone_device_is_enabled); + void thermal_zone_device_update(struct thermal_zone_device *tz, enum thermal_notify_event event) { diff --git a/include/linux/thermal.h b/include/linux/thermal.h index a808f6fa2777..df013c39ba9b 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -416,6 +416,9 @@ int thermal_zone_get_offset(struct thermal_zone_device *tz); void thermal_cdev_update(struct thermal_cooling_device *); void thermal_notify_framework(struct thermal_zone_device *, int); +int thermal_zone_device_enable(struct thermal_zone_device *tz); +int thermal_zone_device_disable(struct thermal_zone_device *tz); +int thermal_zone_device_is_enabled(struct thermal_zone_device *tz); #else static inline struct thermal_zone_device *thermal_zone_device_register( const char *type, int trips, int mask, void *devdata, @@ -463,6 +466,16 @@ static inline void thermal_cdev_update(struct thermal_cooling_device *cdev) static inline void thermal_notify_framework(struct thermal_zone_device *tz, int trip) { } + +static inline int thermal_zone_device_enable(struct thermal_zone_device *tz) +{ return -ENODEV; } + +static inline int thermal_zone_device_disable(struct thermal_zone_device *tz) +{ return -ENODEV; } + +static inline int +thermal_zone_device_is_enabled(struct thermal_zone_device *tz) +{ return -ENODEV; } #endif /* CONFIG_THERMAL */ #endif /* __THERMAL_H__ */