[OpenBIOS] [PATCH] macio ide: Fix dev tree entries for macio ide ports
Segher Boessenkool
segher at kernel.crashing.org
Wed Jun 4 14:59:53 CEST 2014
> >>+ /* IDE ports on Macs are numbered from 3.
> >
> >No. The "ata-3" ports are ATA-3 compatible controllers, etc. The
> >"3" is just part of the name, nothing to do with numbering :-)
> >
> >Sorry for not telling you earlier.
>
> OK, this does not change the patch only explains the strange naming.
> Should we document it the comment or the mail archive will do?
I'd say the names are rather obvious, but a comment won't hurt.
> OpenBIOS does number ide devices though so to satisfy both we either need
> to change the whole naming of ide interfaces in OpenBIOS or just number
> them from 3 and this works for the currently emulated two ports.
You can have multiple devices per controller.
The device tree is a tree, not a linearly numbered array; the usual way
to make e.g disk0 and disk1 is via aliases. Maybe you want that?
Segher
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