Re: [PATCH] platform: Fix platform device resource linking

From: Pantelis Antoniou
Date: Thu Jan 03 2013 - 17:43:40 EST

Hi Greg,

On Jan 4, 2013, at 12:40 AM, Greg Kroah-Hartman wrote:

> On Fri, Jan 04, 2013 at 12:31:10AM +0200, Pantelis Antoniou wrote:
>> Platform device removal uncovered a number of problems with
>> the way resources are handled in the core platform code.
>> Resources now form child/parent linkages and this requires
>> proper linking of the resources. On top of that the OF core
>> directly creates it's own platform devices. Simplify things
>> by providing helper functions that manage the linking properly.
>> Two functions are provided:
>> platform_device_link_resources(), which links all the
>> linkable resources (if not already linked).
>> and platform_device_unlink_resources(), which unlinks all the
>> resources.
> Who would call these functions, and why?
> And why have we never seen problems with removing platform devices
> previously?

Have you tried removing devices that were created via DT and
not using platform data?

> thanks,
> greg k-h


-- Pantelis

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