linux-kernel - Re: [PATCH V2 1/6] pinctrl: pinctrl-single: use arch_initcall and module

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Message-ID: <20130201170906.GE22517@atomide.com>
Date:	Fri, 1 Feb 2013 09:09:06 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	"Vishwanathrao Badarkhe, Manish" <manishv.b@...com>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	davinci-linux-open-source@...ux.davincidsp.com, anilkumar@...com,
	hs@...x.de, broonie@...nsource.wolfsonmicro.com,
	sameo@...ux.intel.com, khilman@...prootsystems.com, nsekhar@...com,
	linux@....linux.org.uk, rob@...dley.net, rob.herring@...xeda.com,
	grant.likely@...retlab.ca
Subject: Re: [PATCH V2 1/6] pinctrl: pinctrl-single: use arch_initcall and
 module_exit

* Linus Walleij <linus.walleij@...aro.org> [130129 03:03]:
> On Tue, Jan 29, 2013 at 8:38 AM, Vishwanathrao Badarkhe, Manish
> <manishv.b@...com> wrote:
> 
> > Currently, I2C driver gets probed before pinctrl driver.
> > To achieve I2C pin muxing via pinctrl driver before I2C
> > probe get called, register pinctrl driver in arch_initcall.
> > Also, add module_exit to unregister pinctrl driver.
> >
> > Signed-off-by: Vishwanathrao Badarkhe, Manish <manishv.b@...com>
> 
> So your I2C driver is not returning -EPROBE_DEFER
> if it cannot find its pins?
> 
> Hm, well I can live with this, if Tony ACKs it.

Hmm pinctrl is before i2c in drivers/Makefile.
Making initcalls happen earlier and earlier is usually the
wrong way to go. Sounds like there's some other issue here
that needs to be fixed instead.

Regards,

Tony
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