From patchwork Tue Oct 9 05:53:55 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Len Brown X-Patchwork-Id: 1568021 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 6207AE00AF for ; Tue, 9 Oct 2012 06:02:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752688Ab2JIGCn (ORCPT ); Tue, 9 Oct 2012 02:02:43 -0400 Received: from mail-qa0-f46.google.com ([209.85.216.46]:49201 "EHLO mail-qa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752059Ab2JIGCi (ORCPT ); Tue, 9 Oct 2012 02:02:38 -0400 Received: by mail-qa0-f46.google.com with SMTP id c26so2928969qad.19 for ; Mon, 08 Oct 2012 23:02:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references:in-reply-to:references:reply-to:organization; bh=1FT7+3pfzpgbWlGX79XYmF+wZRj4unu7Og2YQIXExfk=; b=dwdJvRsvf3FUmaAvIuj0hZFroUbZqc0WffRn4l6pVnlFiGv5+VHTl13pXVaKf+odEW fJ49lADzL9toD9fMg6t19J1yLduaY5SswUPnzq04wVhqMcHyFdeGJR/FmzXPCnvpeqGa 6d/cs2rqS7seNQQ4e+tBZd0CFCMiW0jupaMgVKV8yukPxvJAYYG6RrE1LqiNhUM77DnE Ge53Vm9S7fDk7q+BDDsJobArhuUxF9Kay0J73l+TFXLbxsTjlCkG8Fxe8NDj0CF2WvYu NDUtCSZSiPba+4L5dOs3fdG00Vs+zNhKt5eKq/YR6HTuP4YmJENtI8BqyFTIeXb3ux2N SFDA== Received: by 10.229.206.37 with SMTP id fs37mr5252820qcb.65.1349762557071; Mon, 08 Oct 2012 23:02:37 -0700 (PDT) Received: from x980.localdomain6 (pool-74-104-146-186.bstnma.fios.verizon.net. [74.104.146.186]) by mx.google.com with ESMTPS id ck11sm20206037qab.17.2012.10.08.23.02.36 (version=SSLv3 cipher=OTHER); Mon, 08 Oct 2012 23:02:36 -0700 (PDT) From: Len Brown To: linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Zhang Rui Subject: [PATCH 05/30] Thermal: Remove tc1/tc2 in generic thermal layer. Date: Tue, 9 Oct 2012 01:53:55 -0400 Message-Id: <1b7ddb840c3908464b19d4aa4f6dc4c463302442.1349761836.git.len.brown@intel.com> X-Mailer: git-send-email 1.8.0.rc1 In-Reply-To: <1349762060-25334-1-git-send-email-lenb@kernel.org> References: <1349762060-25334-1-git-send-email-lenb@kernel.org> In-Reply-To: References: Reply-To: Len Brown Organization: Intel Open Source Technology Center Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Zhang Rui Remove tc1/tc2 in generic thermal layer. .get_trend() callback starts to take effect from this patch. Signed-off-by: Zhang Rui Reviewed-by: Rafael J. Wysocki Reviewed-by: Valentin, Eduardo --- drivers/acpi/thermal.c | 5 +---- drivers/platform/x86/acerhdf.c | 2 +- drivers/platform/x86/intel_mid_thermal.c | 2 +- drivers/power/power_supply_core.c | 2 +- drivers/staging/omap-thermal/omap-thermal-common.c | 2 +- drivers/thermal/spear_thermal.c | 2 +- drivers/thermal/thermal_sys.c | 24 ++++++---------------- include/linux/thermal.h | 5 +---- 8 files changed, 13 insertions(+), 31 deletions(-) diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index bb95709..07cb217 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -897,15 +897,12 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) tz->thermal_zone = thermal_zone_device_register("acpitz", trips, 0, tz, &acpi_thermal_zone_ops, - tz->trips.passive.tc1, - tz->trips.passive.tc2, tz->trips.passive.tsp*100, tz->polling_frequency*100); else tz->thermal_zone = thermal_zone_device_register("acpitz", trips, 0, tz, - &acpi_thermal_zone_ops, - 0, 0, 0, + &acpi_thermal_zone_ops, 0, tz->polling_frequency*100); if (IS_ERR(tz->thermal_zone)) return -ENODEV; diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c index a207466..84c5688 100644 --- a/drivers/platform/x86/acerhdf.c +++ b/drivers/platform/x86/acerhdf.c @@ -662,7 +662,7 @@ static int acerhdf_register_thermal(void) return -EINVAL; thz_dev = thermal_zone_device_register("acerhdf", 1, 0, NULL, - &acerhdf_dev_ops, 0, 0, 0, + &acerhdf_dev_ops, 0, (kernelmode) ? interval*1000 : 0); if (IS_ERR(thz_dev)) return -EINVAL; diff --git a/drivers/platform/x86/intel_mid_thermal.c b/drivers/platform/x86/intel_mid_thermal.c index 3a27113..c809761 100644 --- a/drivers/platform/x86/intel_mid_thermal.c +++ b/drivers/platform/x86/intel_mid_thermal.c @@ -502,7 +502,7 @@ static int mid_thermal_probe(struct platform_device *pdev) goto err; } pinfo->tzd[i] = thermal_zone_device_register(name[i], - 0, 0, td_info, &tzd_ops, 0, 0, 0, 0); + 0, 0, td_info, &tzd_ops, 0, 0); if (IS_ERR(pinfo->tzd[i])) { kfree(td_info); ret = PTR_ERR(pinfo->tzd[i]); diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 08cc8a3..2436f13 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -201,7 +201,7 @@ static int psy_register_thermal(struct power_supply *psy) for (i = 0; i < psy->num_properties; i++) { if (psy->properties[i] == POWER_SUPPLY_PROP_TEMP) { psy->tzd = thermal_zone_device_register(psy->name, 0, 0, - psy, &psy_tzd_ops, 0, 0, 0, 0); + psy, &psy_tzd_ops, 0, 0); if (IS_ERR(psy->tzd)) return PTR_ERR(psy->tzd); break; diff --git a/drivers/staging/omap-thermal/omap-thermal-common.c b/drivers/staging/omap-thermal/omap-thermal-common.c index 0675a5e..d543d5c 100644 --- a/drivers/staging/omap-thermal/omap-thermal-common.c +++ b/drivers/staging/omap-thermal/omap-thermal-common.c @@ -246,7 +246,7 @@ int omap_thermal_expose_sensor(struct omap_bandgap *bg_ptr, int id, /* Create thermal zone */ data->omap_thermal = thermal_zone_device_register(domain, OMAP_TRIP_NUMBER, 0, data, &omap_thermal_ops, - 0, FAST_TEMP_MONITORING_RATE, 0, 0); + 0, FAST_TEMP_MONITORING_RATE); if (IS_ERR_OR_NULL(data->omap_thermal)) { dev_err(bg_ptr->dev, "thermal zone device is NULL\n"); return PTR_ERR(data->omap_thermal); diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c index 5f8ee39..9bc9692 100644 --- a/drivers/thermal/spear_thermal.c +++ b/drivers/thermal/spear_thermal.c @@ -147,7 +147,7 @@ static int spear_thermal_probe(struct platform_device *pdev) writel_relaxed(stdev->flags, stdev->thermal_base); spear_thermal = thermal_zone_device_register("spear_thermal", 0, 0, - stdev, &ops, 0, 0, 0, 0); + stdev, &ops, 0, 0); if (IS_ERR(spear_thermal)) { dev_err(&pdev->dev, "thermal zone device is NULL\n"); ret = PTR_ERR(spear_thermal); diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index 146aa04..0cf3dce 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -335,9 +335,6 @@ passive_store(struct device *dev, struct device_attribute *attr, tz->passive_delay = 0; } - tz->tc1 = 1; - tz->tc2 = 1; - tz->forced_passive = state; thermal_zone_device_update(tz); @@ -718,13 +715,12 @@ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz, static void thermal_zone_device_passive(struct thermal_zone_device *tz, int temp, int trip_temp, int trip) { - int trend = 0; + enum thermal_trend trend; struct thermal_cooling_device_instance *instance; struct thermal_cooling_device *cdev; long state, max_state; - if (!tz->ops->get_trend || - tz->ops->get_trend(tz, trip, (enum thermal_trend *)&trend)) { + if (!tz->ops->get_trend || tz->ops->get_trend(tz, trip, &trend)) { /* * compare the current temperature and previous temperature * to get the thermal trend, if no special requirement @@ -747,11 +743,8 @@ static void thermal_zone_device_passive(struct thermal_zone_device *tz, if (temp >= trip_temp) { tz->passive = true; - trend = (tz->tc1 * (temp - tz->last_temperature)) + - (tz->tc2 * (temp - trip_temp)); - /* Heating up? */ - if (trend > 0) { + if (trend == THERMAL_TREND_RAISING) { list_for_each_entry(instance, &tz->cooling_devices, node) { if (instance->trip != trip) @@ -762,7 +755,7 @@ static void thermal_zone_device_passive(struct thermal_zone_device *tz, if (state++ < max_state) cdev->ops->set_cur_state(cdev, state); } - } else if (trend < 0) { /* Cooling off? */ + } else if (trend == THERMAL_TREND_DROPPING) { /* Cooling off? */ list_for_each_entry(instance, &tz->cooling_devices, node) { if (instance->trip != trip) @@ -1288,8 +1281,6 @@ static void remove_trip_attrs(struct thermal_zone_device *tz) * @mask: a bit string indicating the writeablility of trip points * @devdata: private device data * @ops: standard thermal zone device callbacks - * @tc1: thermal coefficient 1 for passive calculations - * @tc2: thermal coefficient 2 for passive calculations * @passive_delay: number of milliseconds to wait between polls when * performing passive cooling * @polling_delay: number of milliseconds to wait between polls when checking @@ -1297,13 +1288,12 @@ static void remove_trip_attrs(struct thermal_zone_device *tz) * driven systems) * * thermal_zone_device_unregister() must be called when the device is no - * longer needed. The passive cooling formula uses tc1 and tc2 as described in - * section 11.1.5.1 of the ACPI specification 3.0. + * longer needed. The passive cooling depends on the .get_trend() return value. */ struct thermal_zone_device *thermal_zone_device_register(const char *type, int trips, int mask, void *devdata, const struct thermal_zone_device_ops *ops, - int tc1, int tc2, int passive_delay, int polling_delay) + int passive_delay, int polling_delay) { struct thermal_zone_device *tz; struct thermal_cooling_device *pos; @@ -1339,8 +1329,6 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type, tz->device.class = &thermal_class; tz->devdata = devdata; tz->trips = trips; - tz->tc1 = tc1; - tz->tc2 = tc2; tz->passive_delay = passive_delay; tz->polling_delay = polling_delay; diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 6a1d43d..38267a5 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -115,8 +115,6 @@ struct thermal_zone_device { struct thermal_attr *trip_hyst_attrs; void *devdata; int trips; - int tc1; - int tc2; int passive_delay; int polling_delay; int temperature; @@ -163,8 +161,7 @@ enum { #define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1) struct thermal_zone_device *thermal_zone_device_register(const char *, int, int, - void *, const struct thermal_zone_device_ops *, int tc1, - int tc2, int passive_freq, int polling_freq); + void *, const struct thermal_zone_device_ops *, int, int); void thermal_zone_device_unregister(struct thermal_zone_device *); int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,