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From: robert.jarzmik@free.fr (Robert Jarzmik)
To: linux-arm-kernel@lists.infradead.org
Subject: USB Serial Gadget regression on pxa27x-udc
Date: Fri, 25 Nov 2011 23:26:48 +0100	[thread overview]
Message-ID: <87lir3kfdj.fsf@free.fr> (raw)
In-Reply-To: <1322234805.41847.YahooMailClassic@web29003.mail.ird.yahoo.com> (Paul Parsons's message of "Fri, 25 Nov 2011 15:26:45 +0000 (GMT)")

Paul Parsons <lost.distance@yahoo.com> writes:

> The USB serial gadget on pxa27x-udc seems to be broken in 3.1.0.
>
> It was working OK on my hx4700 running 3.0.1. But with 3.1.0 (and at least 3.2.0-rc2 and 3.2.0-rc3) I now see the following warning:
>
> pxa27x-udc pxa27x-udc: ep0:handle_ep0:should never get in WAIT_ACK_SET_CONF_INTERF state here!!!
>
> I can still seemingly connect to the hx4700 from my linux host using cu(1) as
> before, but no characters get transferred in either direction.

Assuming you're using the serial gadget (g_serial) on the hx4700x in "non-ACM
mode", there's a submitted fix for that in [1].

Cheers.

-- 
Robert

[1]: http://www.spinics.net/lists/linux-usb/msg54600.html

  reply	other threads:[~2011-11-25 22:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-25 15:26 USB Serial Gadget regression on pxa27x-udc Paul Parsons
2011-11-25 22:26 ` Robert Jarzmik [this message]
2011-11-26  0:37   ` Paul Parsons

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