cvs commit: src/share/man/man9 bus_alloc_resource.9 bus_set_resource.9

Nate Lawson nate at root.org
Tue Jan 27 11:58:03 PST 2004


On Tue, 27 Jan 2004, M. Warner Losh wrote:
> In message: <200401270604.i0R64Fpc076025 at repoman.freebsd.org>
>             Nate Lawson <njl at FreeBSD.org> writes:
> : njl         2004/01/26 22:04:15 PST
> :
> :   FreeBSD src repository
> :
> :   Modified files:
> :     share/man/man9       bus_alloc_resource.9 bus_set_resource.9
> :   Log:
> :   Document my adventures in newbus land.  Clarify some examples, especially
> :   that count is in bytes, not bits.  There are some drivers that I think make
> :   this mistake.  (I've seen counts of 16 in the tree).
>
> Counts of 16 in the tree are likely correct.  Many devices have 8 or
> 16 or 32 io ports in ISA land.  I've not seen any drivers make this
> mistake.  Care to give an example?

Well, for one ichsmb(4).  It allocates 16 IO ports but only uses 8
according to its .h.  The netgraph bt3c driver allocates 8 but only uses
5.  I'm curious if wi/owi really need 64 IO ports.

-Nate


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