linux-kernel - Re: [PATCH v1] of/irq: do irq resolution in platform_get_irq

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Date:	Wed, 11 Jun 2014 16:04:14 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	Lee Jones <lee.jones@...aro.org>, Rob Herring <robh@...nel.org>,
	Grygorii Strashko <grygorii.strashko@...com>,
	Russell King <linux@....linux.org.uk>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Olof Johansson <olof@...om.net>,
	Kevin Hilman <khilman@...aro.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v1] of/irq: do irq resolution in platform_get_irq_byname()

On Wed, May 28, 2014 at 10:49 AM, Chen-Yu Tsai <wens@...e.org> wrote:

> Log says musb is wrestling control over some pins with some other driver:
>
> [    1.441497] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already
> requested by a03e0000.usb_per5; cannot claim for musb-hdrc.0.auto
> [    1.453369] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.0.auto)
> status -22
> [    1.460571] pinctrl-nomadik soc:pinctrl: could not request pin 256
> (GPIO256_AF28) from group usb_a_1  on device pinctrl-nomadik
> [    1.472076] musb-hdrc musb-hdrc.0.auto: Error applying setting,
> reverse things back
> [    1.479827] HS USB OTG: no transceiver configured
> [    1.484558] musb-hdrc musb-hdrc.0.auto: musb_init_controller failed
> with status -517
> [    1.492309] platform musb-hdrc.0.auto: Driver musb-hdrc requests
> probe deferral
> [    1.500183] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already
> requested by a03e0000.usb_per5; cannot claim for musb-hdrc.0.auto
> [    1.512023] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.0.auto)
> status -22
> [    1.519226] pinctrl-nomadik soc:pinctrl: could not request pin 256
> (GPIO256_AF28) from group usb_a_1  on device pinctrl-nomadik
> [    1.530731] musb-ux500 musb-hdrc.0.auto: Error applying setting,
> reverse things back
> [    1.539184] pinctrl-nomadik soc:pinctrl: pin GPIO256_AF28 already
> requested by a03e0000.usb_per5; cannot claim for musb-hdrc.1.auto
> [    1.551025] pinctrl-nomadik soc:pinctrl: pin-256 (musb-hdrc.1.auto)
> status -22
> [    1.558258] pinctrl-nomadik soc:pinctrl: could not request pin 256
> (GPIO256_AF28) from group usb_a_1  on device pinctrl-nomadik
> [    1.569732] musb-hdrc musb-hdrc.1.auto: Error applying setting,
> reverse things back
> [    1.577453] HS USB OTG: no transceiver configured
>
> [ .. repeats until the end .. ]
>
> I think this is not related to this patch.

No that is fixed i this patch:
http://marc.info/?l=linux-usb&m=140239049219096&w=2

Yours,
Linus Walleij
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