linux-kernel - Re: usb: gadget breakage on N900: bind UDC by name passed via usb_gadget

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Date:	Fri, 18 Mar 2016 10:32:19 +0100
From:	Pavel Machek <pavel@....cz>
To:	Ruslan Bilovol <ruslan.bilovol@...il.com>
Cc:	pali.rohar@...il.com, sre@...nel.org,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>, khilman@...nel.org,
	aaro.koskinen@....fi, ivo.g.dimitrov.75@...il.com,
	patrikbachan@...il.com, serge@...lyn.com,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Peter Chen <peter.chen@...escale.com>,
	"Balbi, Felipe" <balbi@...com>
Subject: Re: usb: gadget breakage on N900: bind UDC by name passed via
 usb_gadget_driver structure

Hi!

> On Thu, Mar 17, 2016 at 11:26 PM, Pavel Machek <pavel@....cz> wrote:
> > Hi!
> >
> > USB gadget stops working for me on n900, if I merge
> 
> Could you please give us more details?
> Which gadget driver do you use (g_nokia?)

It seems I mis-merged the stuff. Hold on, I'm debugging it some more.

Not g_nokia:

CONFIG_USB_LIBCOMPOSITE=y
CONFIG_USB_U_ETHER=y
CONFIG_USB_F_ECM=y
CONFIG_USB_F_SUBSET=y


> > (I have patch in my tree to make USB gadget work when it is not
> > modular).
> 
> So this can be reproduced only on builtin gadget, right?
> 
> BTW, I have N900 and can try to play with it this weekend if you'll
> give us more details.

Thanks! Let me try to debug it, then I'll post .config.

Best regards,
									Pavel

-- 
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