linux-kernel - Re: PROBLEM: USB ACM device does not work

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Date:	Tue, 30 Jun 2009 09:22:04 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Arseniy Lartsev <ars3n@...dex.ru>
Cc:	USB list <linux-usb@...r.kernel.org>, linux-kernel@...r.kernel.org
Subject: Re: PROBLEM: USB ACM device does not work

Am Montag, 29. Juni 2009 15:35:15 schrieb Arseniy Lartsev:
> On Monday 29 June 2009 17:07:44 Oliver Neukum wrote:
> > Please printk xfertype in the error case of usb_submit_urb()
>
> It equals USB_ENDPOINT_XFER_INT.

Yet, your device shows bulk endpoints. Please enable DEBUG in cdc-acm.c
and recompile with CONFIG_USB_DEBUG.

	Regards
		Oliver

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