On Tuesday, December 09, 2014 04:15:40 PM Srinivas Pandruvada wrote:
> The _ART (Active Cooling Relationship Table), specifies relationship
> among heat generating sources to a target active cooling device like
> fan. The _ART table refers to actual bus id name for specifying relationship.
> Naming "Fan" is not enough as name in the _ART table can change on every
> platform, to establish relationship for user space thermal controllers.
>
> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
I can apply this or do you have any thermal material depending on it?
> ---
> drivers/acpi/fan.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
> index caf9b76..7a36f02 100644
> --- a/drivers/acpi/fan.c
> +++ b/drivers/acpi/fan.c
> @@ -325,6 +325,7 @@ static int acpi_fan_probe(struct platform_device *pdev)
> struct thermal_cooling_device *cdev;
> struct acpi_fan *fan;
> struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
> + char *name;
>
> fan = devm_kzalloc(&pdev->dev, sizeof(*fan), GFP_KERNEL);
> if (!fan) {
> @@ -346,7 +347,12 @@ static int acpi_fan_probe(struct platform_device *pdev)
> }
> }
>
> - cdev = thermal_cooling_device_register("Fan", device,
> + if (!strncmp(pdev->name, "PNP0C0B", strlen("PNP0C0B")))
> + name = "Fan";
> + else
> + name = acpi_device_bid(device);
> +
> + cdev = thermal_cooling_device_register(name, device,
> &fan_cooling_ops);
> if (IS_ERR(cdev)) {
> result = PTR_ERR(cdev);
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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