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    SubjectRe: [patch 2/2] 8250_pnp: register x86 COM ports at the conventional ttyS names
    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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