Date: Thu, 6 Apr 1995 02:55:22 +1000 From: Bruce Evans <bde@zeta.org.au> To: ache@astral.msk.su, phk@ref.tfs.com Cc: CVS-commiters@freefall.cdrom.com, cvs-sys@freefall.cdrom.com Subject: Re: cvs commit: src/sys/i386/isa isa.c Message-ID: <199504051655.CAA25531@godzilla.zeta.org.au>
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>>> Modified: sys/i386/isa isa.c >>> Log: >>> Print "on motherboard" for isa? devices with id_iobase == 0 >>Should be id_iobase < 0x100... >I don't write here "only for" :-) Sorry, it's wrong for another reason. id_iobase == 0 is the default magic value for all devices without i/o ports (all memory mapped devices...). It's a stupid magic value (0 is a real port) but there is unlikely to ever be a driver that uses port 0 directly, so it is good enough. The pca driver is on the motherboard but its id_iobase is only 0 because it lies - see other mail. Bruce
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