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Date:	Wed, 25 Jun 2014 17:35:20 +0200
From:	Andrzej Pietrasiewicz <andrzej.p@...sung.com>
To:	Jon Ringle <jon@...gle.org>, Felipe Balbi <balbi@...com>,
	Greg KH <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: USB_MUSB_DA8XX with g_multi.ko

W dniu 25.06.2014 17:13, Jon Ringle pisze:
> In commit 787f5627bec80094db487bfcb401e9744f181aed
> usb: musb: make davinci and da8xx glues depend on BROKEN
>
> USB_MUSB_DA8XX was marked as BROKEN
>
> A few months ago, we updated the linux kernel on our AM1808 SoC based
> embedded board from Linux 2.6.33 to the latest long term 3.12.
>
> I am interested in having the USB gadget support on my board, so I
> removed BROKEN on USB_MUSB_DA8XX. I found that when I modprobe
> g_ether, g_serial, and g_mass_storage (by themselves), they all appear
> to work as expected, but if I try to use g_multi to have a composite
> device supporting all three simultaneously, I run into failure during
> initialization.
>

<snip>

>
>>>From this I can see that it's failing on the following call in fsg_bind():
> ep = usb_ep_autoconfig(gadget, &fsg_fs_bulk_in_desc);
>

Just a random guess (I don't know your hardware): how many bulk,
iso and interrupt endpoints does your hardware provide? Perhaps you
just run out of endpoints?

AP

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