Messages in this thread | | | Date | Tue, 04 Nov 2008 15:30:51 -0600 | From | "Chris Friesen" <> | Subject | Re: [BUG] serial base baud misdetected in 2.6.27 |
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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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