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Date: Fri, 5 Aug 2016 15:43:15 +0200
From: Greg KH <greg@kroah.com>
To: Andrzej Hajda <a.hajda@samsung.com>
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Cc: ksummit-discuss@lists.linuxfoundation.org,
	Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
	"vegard.nossum@gmail.com" <vegard.nossum@gmail.com>,
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	Marek Szyprowski <m.szyprowski@samsung.com>
Subject: Re: [Ksummit-discuss] [TECH TOPIC] Addressing complex dependencies
 and semantics (v2)
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On Fri, Aug 05, 2016 at 01:31:18PM +0200, Andrzej Hajda wrote:
> On 08/05/2016 12:54 PM, Greg KH wrote:
> > On Fri, Aug 05, 2016 at 11:01:43AM +0200, Arnd Bergmann wrote:
> >> On Thursday, August 4, 2016 9:59:30 PM CEST Rob Herring wrote:
> >>> On Thu, Aug 4, 2016 at 5:20 AM, Mark Brown <broonie@kernel.org> wrote:
> >>>> On Thu, Aug 04, 2016 at 11:50:49AM +0200, Greg KH wrote:
> >>>>
> >>>>> Nope, it doesn't work that way, sorry.
> >>>>> Nice try, just unwind your initialization properly 
> >>>> Deferred probe is probably the best thing that ever happened for the
> >>>> quality of kernel error handling 
> >>> Now we just need a way to force testing of the remove functions.
> >> Hmm, instead of calling just 'probe', we might first call probe,
> >> then remove, then probe again as a compile-time option.
> >>
> >> What could possibly go wrong? ;-)
> > Ooooh, that would be fun to see what blows up, anyone want to try it?
> 
> There are already unbind/bind sysfs attributes which do the trick.

Yes, but that doesn't work so well at boot time, when you want to
probe/remove/probe _all_ of your hardware drivers :)

greg k-h