linux-kernel - Re: [PATCH v2 3/3] drivers: cleanup Kconfig stuff

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Message-ID: <20101020080125.GA30965@legolas.emea.dhcp.ti.com>
Date:	Wed, 20 Oct 2010 11:01:25 +0300
From:	Felipe Balbi <balbi@...com>
To:	Roger Quadros <roger.quadros@...ia.com>
Cc:	ext Felipe Contreras <felipe.contreras@...il.com>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	linux-main <linux-kernel@...r.kernel.org>,
	Greg KH <greg@...ah.com>, "Balbi, Felipe" <balbi@...com>,
	Tony Lindgren <tony@...mide.com>
Subject: Re: [PATCH v2 3/3] drivers: cleanup Kconfig stuff

On Wed, Oct 20, 2010 at 02:46:49AM -0500, Roger Quadros wrote:
>On 10/19/2010 05:33 PM, ext Felipe Contreras wrote:
>> Hi Roger,
>>
>> On Tue, Oct 19, 2010 at 4:40 PM, Roger Quadros<roger.quadros@...ia.com>  wrote:
>>>> @@ -843,6 +841,7 @@ config USB_CDC_COMPOSITE
>>>>   config USB_G_NOKIA
>>>>         tristate "Nokia composite gadget"
>>>>         depends on PHONET
>>>> +       depends on USB_GADGET_MUSB_HDRC
>>>
>>> This is wrong. Is there a build problem or run-time problem without this?
>>
>> Try:
>> CONFIG_USB_G_NOKIA=y
>> CONFIG_USB_GADGET_MUSB_HDRC=n
>>
>> At least g_nokia doesn't seem to work correctly on my N900.
>>
>It won't work on N900 because N900 has MUSB USB gadget controller and
>it needs to be selected somehow while building for N900.
>
>You should set CONFIG_USB_GADGET_MUSB_HDRC to y somewhere else while
>building for N900 and not here because g_nokia is not MUSB specific.

It's the same thing I've been trying to say. No gadget driver is
controller-specific. Even though this one is called g_nokia.ko it
doesn't only Nokia can use it, neither does it mean nokia will always
use MUSB.

-- 
balbi
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