Re: Strange location and name for platform devices when device-treeis used.
From: Greg Kroah-Hartman
Date: Sat Nov 02 2013 - 16:40:33 EST
On Sun, Nov 03, 2013 at 07:22:10AM +1100, Benjamin Herrenschmidt wrote:
> On Sat, 2013-11-02 at 08:58 -0700, Greg Kroah-Hartman wrote:
> > Just loop through all the platform devices before registering it to
> > determine if you need to do this, the platform code can do this just
> > fine. If you try to register a duplicate name with the driver core,
> > odds are it will complain loudly, so don't do that.
>
> But that loop + registration is racy ... oh well, we might do something
> better with Neil's idea of labels instead.
How is it racy? Only one platform device should be allowed to be
registered at a time, there is a per-bus lock that should be used to
enforce this, right?
thanks,
greg k-h
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