linux-kernel - [PATCH] cypress_m8 driver is broken with my GPS device

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Message-Id: <200807251700.56399.wm161@wm161.net>
Date:	Fri, 25 Jul 2008 17:00:41 -0400
From:	Trever Fischer <wm161@...61.net>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] cypress_m8 driver is broken with my GPS device

Hi, I've got a DeLORME Earthmate LT-20 USB GPS unit. A year or so ago it used 
to work with the cypress_m8 driver, but now when I try to read from the 
device, the kernel spits out:

drivers/usb/serial/cypress_m8.c: cypress_serial_control - failed to retrieve 
serial line settings - -32
drivers/usb/serial/cypress_m8.c: cypress_m8 suspending failing port 3 - 
interval might be too short

I dug into the source and created the attached patch. Its my first (albeit 
tiny) patch to the linux kernel, so any feedback is graciously welcome.

View attachment "earthmate.patch" of type "text/x-diff" (606 bytes)

Download attachment "signature.asc " of type "application/pgp-signature" (198 bytes)