linux-kernel - Re: [GIT PULL] On-demand device probing

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Date:	Fri, 23 Oct 2015 08:33:10 +0900
From:	Mark Brown <broonie@...nel.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Frank Rowand <frowand.list@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Thierry Reding <thierry.reding@...il.com>,
	David Airlie <airlied@...ux.ie>,
	Terje Bergström <tbergstrom@...dia.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Wolfram Sang <wsa@...-dreams.de>,
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	Sebastian Reichel <sre@...nel.org>,
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	Lee Jones <lee.jones@...aro.org>,
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	Tomi Valkeinen <tomi.valkeinen@...com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
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Subject: Re: [GIT PULL] On-demand device probing

On Thu, Oct 22, 2015 at 04:02:13PM +0100, Russell King - ARM Linux wrote:

> If it was such a problem, then in the _eight_ days that this has been
> discussed so far, _someone_ would have sent some data showing the
> problem.  I think the fact is, there is no data.

> Someone prove me wrong.  Someone post the verifiable data showing that
> there is a problem to be solved here.

> Someone show what the specific failure cases are that are hampering
> vendors moving forwards.  Someone show the long boot times by way of
> kernel message log.  Someone show some evidence of the problems that
> have been alluded to.

> If no one can show some evidence, there isn't a problem here. :)

Yeah, I'm not convinced the timing is *such* a big deal either - I do
think that the log spam is a real problem but I think something much
less invasive like the interface you proposed is good for addressing
that.

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