Hi Dmitry,

> > We should get drvdata from struct device directly. Going via
> > platform_device is an unneeded step back and forth.
> 
> I consider the fact that platform device's driver data is accessible via
> device driver data being implementation detail that may or may not change

Isn't it actually the other way around? platform_get_drvdata() is a
convenience function to access driver_data which is embedded in struct
device?

> in the future, so I'd prefer keep using the proper accessors for the
> objects we are dealing with.

Exactly. I'd just argue, the object we are dealing with, declared in the
PM functions, is a struct device.

Thanks for the comment,

   Wolfram