linux-kernel - Re: [PATCH] staging: Platform device tester

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Message-Id: <B2F211B9-E02D-4B02-8813-2DCE511CE48C@antoniou-consulting.com>
Date:	Tue, 13 Aug 2013 22:04:36 +0300
From:	Pantelis Antoniou <panto@...oniou-consulting.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Tony Lindgren <tony@...mide.com>,
	Benoît Coussno <b-cousson@...com>,
	Paul Walmsley <paul@...an.com>,
	Sourav Poddar <sourav.poddar@...com>,
	Russ Dill <Russ.Dill@...com>, Felipe Balbi <balbi@...com>,
	Koen Kooi <koen@...cuitco.com>, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: Platform device tester - Allow removal

Hi Russell,

On Aug 13, 2013, at 10:02 PM, Russell King - ARM Linux wrote:

> On Tue, Aug 13, 2013 at 09:59:03PM +0300, Pantelis Antoniou wrote:
>> Hi Greg,
>> 
>> Just to make sure we're on the same page this is with my platform device
>> removal patchset applied.
>> 
>> Without it you get the original crash I've posted in the pdevtest patch with
>> the unbind method.
> 
> Yes, congratulations, you've found a bug in the way OMAP uses the runtime
> PM stuff in this driver.  That bug needs to be fixed irrespective of
> anything else.

Not just OMAP. And not just PM stuff. 
There are crashes occurring due to the way resources are handled by
platform devices created via OF.

Regards

-- Pantelis

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