Re: [BUG] serial base baud misdetected in 2.6.27

[Chris Friesen]

Alan Cox wrote:
> > like it's hanging off the PCI bus.  The vendor/device matches to an Exar 
> > Corp. XR17C152, which is given a base_baud of 921600 in 
> > drivers/serial/8250_pci.c.
> >
> > According to the chip specs, 921600 is correct with the default crystal 
> > and control register values.  However, other crystals can be used and 
> > there's also a control register bit to enable a prescalar which cuts the 
> > baud rate by a factor of four.  I suspect that one of these has been 
> > done on our boards.
>
> Probably. Did your vendor have the sense to set subvendor/subdevice
> identifiers that can be used to identify that specific unit ?

No idea, but I'll look into it.  Thanks for the help.

Chris
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