From patchwork Wed Jun 22 08:42:03 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caesar Wang X-Patchwork-Id: 9192177 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 645BD6075C for ; Wed, 22 Jun 2016 08:43:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4FB8528358 for ; Wed, 22 Jun 2016 08:43:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 44092283EF; Wed, 22 Jun 2016 08:43:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D0FFE28358 for ; Wed, 22 Jun 2016 08:43:00 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFdkS-0002nc-IE; Wed, 22 Jun 2016 08:43:00 +0000 Received: from mail-pa0-f67.google.com ([209.85.220.67]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFdkQ-0002en-54 for linux-rockchip@lists.infradead.org; Wed, 22 Jun 2016 08:42:58 +0000 Received: by mail-pa0-f67.google.com with SMTP id us13so3462840pab.1 for ; Wed, 22 Jun 2016 01:42:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=yNBK5GfnE63+6D2MqV1qM9YYkeFh5bROB4eo7WlIhfg=; b=lYPkItxT2d37ukPAHFqqE5POK+hRWoHXbdEglsKqOVLjte+uflo/JJgH9G3LFYDcv1 Wqt0+JhDjGOq9BB1H2RBZDmp538JMzL2zm4ZG/ehnIaDrzhJ0cjFPm6cV8+8Fhjqz6ac LlM9mv5tvYhInWQT0j00gClRAB3fW4Azgq9FitAuyZu/3bNqCTWQrv8fo2RBnB4jD4Ie qPwUBqcOIZ1xRAu0AJf4UtbRxh4qEsFMU6Aj0fvLGrQtHOuODiYp/Gg4xjz5pkkvKaV8 p3EFf4Ky/0JzKhAOV6YEUV1D5ZyEoqFR3cM9OEQPpCDpmWbsPAQu+HBMlP8Cstr4BPbI s8Og== X-Gm-Message-State: ALyK8tIbQd1bkhJKcbSBR76u5Ak9PrUvhZT2gWoQ4+7uhuafBPYZJWFJVEx64Jt+00nvLA== X-Received: by 10.66.101.136 with SMTP id fg8mr33696529pab.144.1466584957201; Wed, 22 Jun 2016 01:42:37 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id z88sm73881467pfa.59.2016.06.22.01.42.32 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 22 Jun 2016 01:42:36 -0700 (PDT) From: Caesar Wang To: edubezval@gmail.com, linux-pm@vger.kernel.org Subject: [PATCH v6 3/5] thermal: streamline get_trend callbacks Date: Wed, 22 Jun 2016 16:42:03 +0800 Message-Id: <1466584925-4829-4-git-send-email-wxt@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1466584925-4829-1-git-send-email-wxt@rock-chips.com> References: <1466584925-4829-1-git-send-email-wxt@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160622_014258_223982_F97A9DFD X-CRM114-Status: GOOD ( 15.09 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: huangtao@rock-chips.com, javi.merino@arm.com, Heiko Stuebner , Keerthy , Sascha Hauer , dmitry.torokhov@gmail.com, peter@piie.net, dianders@chromium.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, smbarber@google.com, cf@rock-chips.com, briannorris@google.com, rocky.hao@rock-chips.com, linux-omap@vger.kernel.org, Zhang Rui , Caesar Wang MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Sascha Hauer The .get_trend callback in struct thermal_zone_device_ops has the prototype: int (*get_trend) (struct thermal_zone_device *, int, enum thermal_trend *); whereas the .get_trend callback in struct thermal_zone_of_device_ops has: int (*get_trend)(void *, long *); Streamline both prototypes and add the trip argument to the OF callback aswell and use enum thermal_trend * instead of an integer pointer. While the OF prototype may be the better one, this should be decided at framework level and not on OF level. Signed-off-by: Sascha Hauer Signed-off-by: Caesar Wang Cc: Zhang Rui Cc: Eduardo Valentin Cc: linux-pm@vger.kernel.org Reviewed-by: Keerthy --- Changes in v6: - as the Keerthy comments on https://patchwork.kernel.org/patch/9157913/, change the get_trend for of_thermal.c. Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None drivers/thermal/of-thermal.c | 16 +------------- drivers/thermal/ti-soc-thermal/ti-thermal-common.c | 25 +++++++--------------- include/linux/thermal.h | 2 +- 3 files changed, 10 insertions(+), 33 deletions(-) diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 2d2a06f..20822ab 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -202,25 +202,11 @@ static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip, enum thermal_trend *trend) { struct __thermal_zone *data = tz->devdata; - long dev_trend; - int r; if (!data->ops->get_trend) return -EINVAL; - r = data->ops->get_trend(data->sensor_data, &dev_trend); - if (r) - return r; - - /* TODO: These intervals might have some thresholds, but in core code */ - if (dev_trend > 0) - *trend = THERMAL_TREND_RAISING; - else if (dev_trend < 0) - *trend = THERMAL_TREND_DROPPING; - else - *trend = THERMAL_TREND_STABLE; - - return 0; + return data->ops->get_trend(data->sensor_data, trip, trend); } static int of_thermal_bind(struct thermal_zone_device *thermal, diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c index 15c0a9a..4a6757c 100644 --- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c +++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c @@ -239,7 +239,7 @@ static int ti_thermal_get_trip_temp(struct thermal_zone_device *thermal, return 0; } -static int __ti_thermal_get_trend(void *p, long *trend) +static int __ti_thermal_get_trend(void *p, int trip, enum thermal_trend *trend) { struct ti_thermal_data *data = p; struct ti_bandgap *bgp; @@ -252,22 +252,6 @@ static int __ti_thermal_get_trend(void *p, long *trend) if (ret) return ret; - *trend = tr; - - return 0; -} - -/* Get the temperature trend callback functions for thermal zone */ -static int ti_thermal_get_trend(struct thermal_zone_device *thermal, - int trip, enum thermal_trend *trend) -{ - int ret; - long tr; - - ret = __ti_thermal_get_trend(thermal->devdata, &tr); - if (ret) - return ret; - if (tr > 0) *trend = THERMAL_TREND_RAISING; else if (tr < 0) @@ -278,6 +262,13 @@ static int ti_thermal_get_trend(struct thermal_zone_device *thermal, return 0; } +/* Get the temperature trend callback functions for thermal zone */ +static int ti_thermal_get_trend(struct thermal_zone_device *thermal, + int trip, enum thermal_trend *trend) +{ + return __ti_thermal_get_trend(thermal->devdata, trip, trend); +} + /* Get critical temperature callback functions for thermal zone */ static int ti_thermal_get_crit_temp(struct thermal_zone_device *thermal, int *temp) diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 2440b8d..d3ce3a5 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -352,7 +352,7 @@ struct thermal_genl_event { */ struct thermal_zone_of_device_ops { int (*get_temp)(void *, int *); - int (*get_trend)(void *, long *); + int (*get_trend)(void *, int, enum thermal_trend *); int (*set_trips)(void *, int, int); int (*set_emul_temp)(void *, int); int (*set_trip_temp)(void *, int, int);