Re: [patch 2/2] 8250_pnp: register x86 COM ports at the conventionalttyS names

[H. Peter Anvin]

Rene Herman wrote:
> The number of places expected to contain something sensible should I 
> believe first be verified at 0x410 -- the equipment word. Bits 11-9 
> (0x0e00) should be the number of serial ports, 0 to 4 (so 5-7 is also a 
> sanity check) and if BIOSes can be expected to zero out the non-used 
> base-addresses (at 0x400, 0x402, 0x404, 0x406) that's another sanity 
> check. Don't know if they can though...

Probably not.  However, the ports marked valid should be nonzero and 
aligned-8.

	-hpa

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