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drivers: thermal: make usage of CONFIG_THERMAL_HWMON optional

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When registering a new thermal_device, the thermal framework
will always add a hwmon sysfs interface.

This patch adds a flag to make this behavior optional. Now
when registering a new thermal device, the caller can
optionally inform if hwmon interface is desirable. This can
be done by means of passing a thermal_zone_params.no_hwmon == true.

In order to keep same behavior as of today, all current
calls will by default create the hwmon interface.

Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-acpi@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: Zhang Rui <rui.zhang@intel.com>
Suggested-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
This commit is contained in:
Eduardo Valentin 2013-08-15 11:34:17 -04:00
parent b82715fdd4
commit ccba4ffd9e
3 changed files with 18 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

8
include/linux/thermal.h
View file

@ -214,6 +214,14 @@ struct thermal_bind_params {
/* Structure to define Thermal Zone parameters */
struct thermal_zone_params {
char governor_name[THERMAL_NAME_LENGTH];
/*
* a boolean to indicate if the thermal to hwmon sysfs interface
* is required. when no_hwmon == false, a hwmon sysfs interface
* will be created. when no_hwmon == true, nothing will be done
*/
bool no_hwmon;
int num_tbps; /* Number of tbp entries */
struct thermal_bind_params *tbp;
};