linux-kernel - Re: Public ridicule due to sound/soc/soc-core.c abuse of the driver model

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Date:	Mon, 9 Jan 2012 09:51:25 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Greg KH <greg@...ah.com>,
	Frank Mandarino <fmandarino@...relia.com>,
	Liam Girdwood <lrg@...com>, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.de>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: Public ridicule due to sound/soc/soc-core.c abuse of the
	driver model

On Fri, Jan 06, 2012 at 03:49:27PM -0800, Mark Brown wrote:
> On Fri, Jan 06, 2012 at 11:44:45PM +0000, Russell King - ARM Linux wrote:
> > On Fri, Jan 06, 2012 at 03:41:39PM -0800, Mark Brown wrote:
> > > This only helps this specific device model bit of things, if anything is
> > > still actually holding a reference to the device and tries to use it
> > > after we tore away the resource underneath it we'll still explode (never
> > > mind the fact that we're backing this stuff up with some global pointers
> > > to other devices which may or may not actually be there...).
> 
> > Err what?  Explain showing the code where you think this is the case
> > with the patch I proposed please.
> 
> These aren't new problems being introduced, they're preexisting problems
> which aren't fixed by this (hence why I say it "only helps with this
> specific device model side of things") but can come up in pretty much
> the same circumstances.

Anything which helps reduce the abuses of the driver model is a plus -
it helps remove the possibility of kernel oopses.
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