Messages in this thread | | | Date | Mon, 14 Sep 2009 09:43:33 -0700 | From | Greg KH <> | Subject | Re: Trouble with USB serial driver (ftdi_sio.c) on 2.6.31 |
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On Sat, Sep 12, 2009 at 02:08:31PM +0200, e9hack wrote: > Hi, > > I've some trouble with the USB serial driver (ftdi_sio.c for a FT232RL from FTDI). If the > port is opened for the first time, the driver works perfectly. If the port is closed and > open again, it isn't possible to read any data from port. Writing data to the port works. > The FT232RL must be reconnect to get it working again. A reboot without reconnect doesn't > solve this problem. If I look at the debug output, I don't see read requests from > ftdi_sio.c. If reading is possible, I see this read messages:
{sigh} Yes, this driver is a bit messed up in .31, sorry. We are working through it and hope to have a fix in one of the upcoming .31-stable releases.
thanks,
greg k-h
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