From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [Bugme-new] [Bug 12447] New: usbtouchscreen submits URB too quickly if built in to kernel Date: Wed, 14 Jan 2009 21:11:13 -0800 Message-ID: <200901142111.14203.dmitry.torokhov@gmail.com> References: <20090114151336.3b97893a.akpm@linux-foundation.org> <20090115044338.GA6423@dtor-d630.eng.vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20090115044338.GA6423-wUGeVx6es1+Q2O5dskk9LyLysJ1jNyTM@public.gmane.org> Content-Disposition: inline Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Andrew Morton Cc: David Hagood , linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, bugme-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org List-Id: linux-input@vger.kernel.org On Wednesday 14 January 2009 20:43:39 Dmitry Torokhov wrote: > On Wed, Jan 14, 2009 at 03:13:36PM -0800, Andrew Morton wrote: > > On Wed, 14 Jan 2009 17:08:28 -0600 > > > > David Hagood wrote: > > > On Wed, 2009-01-14 at 10:28 -0800, Andrew Morton wrote: > > > > (switched to email. Please respond via emailed reply-to-all, not via > > > > the bugzilla web interface). > > > > > > OK, you asked for it - no fair complaining about the email wart that I > > > can do nothing about. > > > > It happens. > > > > > > On Wed, 14 Jan 2009 08:29:31 -0800 (PST) > > > > bugme-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org wrote: > > > > > > > > Is this a USB thing, or an input thing? > > > > > > I'm not sure I understand the question. The problem is in the > > > usbtouchscreen kernel module, which is an input module. > > > > > > The problem is NOT at the X layer (read: user space), but in the kernel > > > driver. > > > > > > Did that answer the question? > > > > The question was asked of the USB and input developers ;) It's unclear > > (to me) which subsystem would need fixing to make this work properly. > > I suppose this is device-specific and will have to be worked around in > the driver buy resubmitting request a few times until it "sticks". Hmm, I take it back... the message comes from the IRQ routine; that means we were able to submit IRQ at least once. Plus we do send a few control messages for mtouch. So I don't understand why it would start returning -ENODEV out of sudden. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html