of_serial.c: adding UPF_FIXED_TYPE flag

[Arnd Bergmann]

On Wednesday 03 June 2009, David Mitchell wrote:
> Hello,
> 
> Are there any objections or concerns on adding UPF_FIXED_TYPE to the
> port flags for the of_serial driver? Or maybe - are there any
> implementations using of_serial that rely on the 8250's probing to
> determine type? Based on the configs it looks like just the 4xx and 6xx
> variants are using this driver.

We also use the driver on ppc64/cell, which is what it was initially written for.
Passing UPF_FIXED_TYPE sounds ok to me. Can you send a patch?

	Arnd <><