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

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Date:	Fri, 1 Feb 2013 09:11:24 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	"Vishwanathrao Badarkhe, Manish" <manishv.b@...com>,
	davinci-linux-open-source@...ux.davincidsp.com,
	linux@....linux.org.uk, sameo@...ux.intel.com,
	linux-doc@...r.kernel.org, khilman@...prootsystems.com,
	devicetree-discuss@...ts.ozlabs.org,
	broonie@...nsource.wolfsonmicro.com, nsekhar@...com,
	linux-kernel@...r.kernel.org, rob.herring@...xeda.com, hs@...x.de,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V2 1/6] pinctrl: pinctrl-single: use arch_initcall and
 module_exit

* Tony Lindgren <tony@...mide.com> [130201 09:12]:
> * 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.

Let me guess: The i2c driver is wrongly set to run with
arch_initcall?
 
> Regards,
> 
> Tony
> _______________________________________________
> devicetree-discuss mailing list
> devicetree-discuss@...ts.ozlabs.org
> https://lists.ozlabs.org/listinfo/devicetree-discuss
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