Re: [Bluez-users] Once again: Socket CF card and Kernel 2.6

Erwin Authried
2005-03-05T09:17:46Z

On Sat, 2005-03-05 at 06:37, Mathias Adam wrote:
> Hi,
>
> I just got it working by doing a little change in the serial driver
> (8250.c). I tested it with 2.6.11 but I think it could work for any 2.6
> kernel.
>
> Marcel Holtmann schrieb:
> > I am not an serial card expert. This is a problem in the serial
> > subsystem and a BlueZ problem.
>
> That proved to be true.
>
> Marcel: One thing I discovered while debugging this: the hci_uart driver
> seems to initialize the actual UART with only 230400 baud. Is this
> really the case or are those UARTs clocked at nonstandard (higher)
> frequencies so that this setting does result in a higher real baud rate?

I can't say for sure if that applies to your specific CF card, but
usually PCMCIA/CF uarts are just register-compatible emulations of a
standard uart, and the clockrate doesn't matter at all. The actual data
rate can be very high.

Regards,
Erwin