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SubjectRe: [PATCH] libata: rework legacy handling to remove much of the cruft
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Ar Llu, 2006-09-25 am 11:14 +0100, ysgrifennodd David Woodhouse:
> We should register the non-discoverable devices as platform devices (or
> of_devices, or something), and not just hardcode stuff like this in
> asm/foo.h headers

That would be too late. Those "constants"[1] are part of the actual PCI
bus setup. I have some patches to push most of them into
drivers/pci/quirks.c. We cannot use platform devices for this in most
cases because we already have a device for it - the PCI one.

In the non PCI case we can use platform devices and we do, but the
platform device itself has to know what I/O ports are being used so you
end up back with the "constants".

The old IDE layer works this way too except that it doesn't use platform
devices at all.

Alan
[1] as in "constants aren't, variables won't"



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