Date: Tue, 27 Jan 2004 11:55:44 -0800 (PST) From: Nate Lawson <nate@root.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/share/man/man9 bus_alloc_resource.9 bus_set_resource.9 Message-ID: <20040127112940.W37323@root.org> In-Reply-To: <20040127.091238.05978307.imp@bsdimp.com> References: <200401270604.i0R64Fpc076025@repoman.freebsd.org> <20040127.091238.05978307.imp@bsdimp.com>
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On Tue, 27 Jan 2004, M. Warner Losh wrote: > In message: <200401270604.i0R64Fpc076025@repoman.freebsd.org> > Nate Lawson <njl@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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