linux-kernel - Re: USB Ethernet gadget on Nokia n900

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Date:	Sun, 19 Oct 2014 21:19:37 +0200
From:	Pavel Machek <pavel@....cz>
To:	Felipe Balbi <balbi@...com>
Cc:	pali.rohar@...il.com, sre@...ian.org, sre@...g0.de,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
	Aaro Koskinen <aaro.koskinen@....fi>
Subject: Re: USB Ethernet gadget on Nokia n900

Hi!

On Sun 2014-10-19 10:24:14, Felipe Balbi wrote:
> Hi,
> On Sun, Oct 19, 2014 at 12:07:39PM +0200, Pavel Machek wrote:
> > On Sun 2014-10-19 11:01:07, Pavel Machek wrote:
> > > Hi!
> > > 
> > > From 3.6 to 3.10, USB networking works on Nokia N900. With 3.11, it
> > > fails with messages on the host. I also tried to get it to work on
> > > 3.14 and 3.17, with no luck.
> > > 
> > > Any ideas? Does it work for you? Any config options to watch for?
> > 
> > With 3.17, I get
> > 
> > omap_musb_mailbox: musb core is not yet ready
> > 
> > message. It looks related...?
> 
> is musbmhdrc.ko loaded ? Do you have a gadget driver loaded ?
> 
> + Aaro

I am trying to use nfsroot, so I can't use modules. I can't find
musbmhdrc.ko; did you mean drivers/usb/musb/musb_hdrc? Yes, that
should be build-in:

CONFIG_USB_MUSB_HDRC=y
CONFIG_USB_MUSB_GADGET=y
CONFIG_USB_MUSB_OMAP2PLUS=y
CONFIG_MUSB_PIO_ONLY=y

Gadget options are:

CONFIG_USB_ULPI=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_DEBUG=y
CONFIG_USB_GADGET_VERBOSE=y
CONFIG_USB_GADGET_DEBUG_FILES=y
CONFIG_USB_GADGET_DEBUG_FS=y
CONFIG_USB_GADGET_VBUS_DRAW=2
CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS=2

CONFIG_USB_LIBCOMPOSITE=y
CONFIG_USB_U_ETHER=y
CONFIG_USB_F_ECM=y
CONFIG_USB_F_EEM=y
CONFIG_USB_F_SUBSET=y
CONFIG_USB_F_RNDIS=y

(I am attaching full config, in case I missed something important).

Best regards,
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Download attachment ".config.gz" of type "application/gzip" (23072 bytes)