Re: Getting at cardbus CIS data from inside drivers

[Justin T. Gibbs]

>In message <[EMAIL PROTECTED]> Mike Smith writes:
>: No; the CIS parser should know which function it's being called on behalf 
>: of, and simply elide the tuples that don't relate to that function.
>
>This isn't always the right thing to do.  At least in the 16-bit
>world, there are drivers that want to look at the CIS entries for the
>other function of the card for various reasons (some of them need to
>know what kind of modem is present, iirc, to initalize some things in
>a non-standard way, the example was the NetBSD driver mhz, iirc).  I
>don't wish to preclude that.

The ROM BAR is only implemented for function 0 and the ROM
contains information for all functions of the chip.  So, functions
greater than 0 must have the flexibility to activate at least the ROM
BAR on function 0 as well as access that region.

--
Justin


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