Re: [PATCH] MFD: twl-core: move device_init_wakeup to after platform_device_add.

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On Saturday, July 07, 2012, NeilBrown wrote:
> 
> device_init_wakeup uses the dev_name() of the device to set the
> name of the wakeup_source which appears in
> /sys/kernel/debug/wakeup_sources.
> 
> For a platform device, that name is not set until platform_device_add
> calls dev_set_name.
> 
> So the call to device_init_wakeup() must be after the call to
> platform_device_add().
> Making this change causes correct names to appear in the
> wakeup_sources file.
> 
> 
> Signed-off-by: NeilBrown <neilb@xxxxxxx>

Acked-by: Rafael J. Wysocki <rjw@xxxxxxx>

> 
> diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
> index 6fc90be..b012efd 100644
> --- a/drivers/mfd/twl-core.c
> +++ b/drivers/mfd/twl-core.c
> @@ -568,7 +568,6 @@ add_numbered_child(unsigned chip, const char *name, int num,
>  		goto err;
>  	}
>  
> -	device_init_wakeup(&pdev->dev, can_wakeup);
>  	pdev->dev.parent = &twl->client->dev;
>  
>  	if (pdata) {
> @@ -593,6 +592,8 @@ add_numbered_child(unsigned chip, const char *name, int num,
>  	}
>  
>  	status = platform_device_add(pdev);
> +	if (status == 0)
> +		device_init_wakeup(&pdev->dev, can_wakeup);
>  
>  err:
>  	if (status < 0) {
> 

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