Watch out for bugs awoken by this.

>bde         1999/01/16 21:46:25 PST
>
>  Modified files:
>    sys/i386/isa         wd.c wdreg.h 
>    sys/pci              ide_pci.c 
>  Log:
>  Pass the unit number to the DMA cookie lookup routine and use it
>  to look up cookies properly, at least for standard controllers.
>  Cookies are used so that we don't have to pass around lots of args.
>  All of the dmainit functions use the unit number so it is essential
>  that we pass them a cookie with the correct unit number.
>  
>  This may break working configurations if there are bugs in the
>  dmainit functions like the ones I just fixed for VIA chipsets.
>  
>  Broken in:   rev 1.4 of ide_pci.c and rev.1.139 of wd.c.
>  
>  Revision  Changes    Path
>  1.186     +5 -3      src/sys/i386/isa/wd.c
>  1.25      +2 -2      src/sys/i386/isa/wdreg.h
>  1.28      +6 -5      src/sys/pci/ide_pci.c

Bruce

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