[PATCH v4 4/9] drivercore / platform: Convert to dev_pm_domain_attach|detach()

[Rafael J. Wysocki]

On Tuesday, September 09, 2014 01:36:05 PM Ulf Hansson wrote:
> Previously only the ACPI PM domain was supported by the platform bus.
> 
> Let's convert to the common attach/detach functions for PM domains,
> which currently means we are extending the support to include the
> generic PM domain as well.
> 
> Signed-off-by: Ulf Hansson <ulf.hansson at linaro.org>
> Tested-by: Philipp Zabel <p.zabel at pengutronix.de>
> Reviewed-by: Kevin Hilman <khilman at linaro.org>

Greg, any objections here?

> ---
>  drivers/base/platform.c | 15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> index ab4f4ce..904be3d 100644
> --- a/drivers/base/platform.c
> +++ b/drivers/base/platform.c
> @@ -506,11 +506,12 @@ static int platform_drv_probe(struct device *_dev)
>  	if (ret < 0)
>  		return ret;
>  
> -	acpi_dev_pm_attach(_dev, true);
> -
> -	ret = drv->probe(dev);
> -	if (ret)
> -		acpi_dev_pm_detach(_dev, true);
> +	ret = dev_pm_domain_attach(_dev, true);
> +	if (ret != -EPROBE_DEFER) {
> +		ret = drv->probe(dev);
> +		if (ret)
> +			dev_pm_domain_detach(_dev, true);
> +	}
>  
>  	if (drv->prevent_deferred_probe && ret == -EPROBE_DEFER) {
>  		dev_warn(_dev, "probe deferral not supported\n");
> @@ -532,7 +533,7 @@ static int platform_drv_remove(struct device *_dev)
>  	int ret;
>  
>  	ret = drv->remove(dev);
> -	acpi_dev_pm_detach(_dev, true);
> +	dev_pm_domain_detach(_dev, true);
>  
>  	return ret;
>  }
> @@ -543,7 +544,7 @@ static void platform_drv_shutdown(struct device *_dev)
>  	struct platform_device *dev = to_platform_device(_dev);
>  
>  	drv->shutdown(dev);
> -	acpi_dev_pm_detach(_dev, true);
> +	dev_pm_domain_detach(_dev, true);
>  }
>  
>  /**
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.