Re: PATCH & call for help: Marking ISA only drivers

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

> BTW I think CONFIG_ISA would be an useful configuration option for 
> i386 too - at least most modern PCs do not come with ISA slots anymore.

ISA slots != ISA devices

And ISA stuff hanging off things like chipset glue busses is everywhere

> +if [ "$CONFIG_ISA" = "y" ]; then
> +   dep_tristate 'Adaptec AHA152X/2825 support' CONFIG_SCSI_AHA152X $CONFIG_SCSI

2825 is not ISA bus

> +# does not use pci dma and seems to be isa/onboard only for old machines
> +if [ "$CONFIG_X86_64" != "y" ]; then
> +  dep_tristate 'AM53/79C974 PCI SCSI support' CONFIG_SCSI_AM53C974 $CONFIG_SCSI $CONFIG_PCI
> +fi

Thats PCI.

> +if [ "$CONFIG_ISA" = "y" ]; then
> +  dep_tristate 'Generic NCR5380/53c400 SCSI support' CONFIG_SCSI_GENERIC_NCR5380 $CONFIG_SCSI
> +  if [ "$CONFIG_SCSI_GENERIC_NCR5380" != "n" ]; then

This is used in multiple non ISA situations.

> +if [ "$CONFIG_X86" = "y" -a "$CONFIG_ISA" = "y" ]; then
>     dep_tristate 'UltraStor SCSI support' CONFIG_SCSI_ULTRASTOR $CONFIG_SCSI
>  fi

It makes an ugly mess of Config.in - I guess 2.5 is the time to do what
Russell and Keith wanted and make undefined imply "N" in dep_*

Alan