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

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Date:	Mon, 19 Oct 2015 10:44:41 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Mark Brown <broonie@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Rob Herring <robh+dt@...nel.org>,
	Russell King <linux@....linux.org.uk>,
	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>,
	Frank Rowand <frowand.list@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Kishon Vijay Abraham I <kishon@...com>,
	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Felipe Balbi <balbi@...com>, Jingoo Han <jingoohan1@...il.com>,
	Lee Jones <lee.jones@...aro.org>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	dmaengine@...r.kernel.org, linux-gpio@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
	linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-pwm@...r.kernel.org,
	linux-usb@...r.kernel.org, linux-fbdev@...r.kernel.org
Subject: Re: [GIT PULL] On-demand device probing

On Sun, 2015-10-18 at 20:53 +0100, Mark Brown wrote:
> On Sun, Oct 18, 2015 at 12:37:57PM -0700, Greg Kroah-Hartman wrote:
> > On Sun, Oct 18, 2015 at 08:29:31PM +0100, Mark Brown wrote:
> > > On Fri, Oct 16, 2015 at 11:57:50PM -0700, Greg Kroah-Hartman wrote:
> 
> > > > I can't see adding calls like this all over the tree just to solve a
> > > > bus-specific problem, you are adding of_* calls where they aren't
> > > > needed, or wanted, at all.
> 
> > > This isn't bus specific, I'm not sure what makes you say that?
> 
> > You are making it bus-specific by putting these calls all over the tree
> > in different bus subsystems semi-randomly for all I can determine.
> 
> Do you mean firmware rather than bus here?  I think that's the confusion
> I have...

Certainly, if it literally is adding of_* calls then that would seem to
be gratuitously firmware-specific. Nothing should be using those these
days; any new code should be using the generic device property APIs
(except in special cases).

-- 
dwmw2


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