[PATCH] bcma: Add dependency on OF

David Miller

2014-10-10 04:32:38 UTC

=46rom: Julian Calaby <julian.calaby-***@public.gmane.org>
Date: Fri, 10 Oct 2014 11:24:53 +1100

Commit 2101e533f41a ("bcma: register bcma as device tree driver")
introduces a hard dependency on OF_ADDRESS into the bcma driver.
OF_ADDRESS is specifically disabled for the sparc architecture.
This results in the following error when building sparc64:allmodc=

onfig.

Post by Julian Calaby

Does this mean on sparc (using allmodconfig) you will get CONFIG_OF
and !CONFIG_OF_ADDRESS? Does that makes sense?

config OF_ADDRESS
def_bool y
depends on !SPARC
select OF_ADDRESS_PCI if PCI
Presumably there is a reason to disable OF_ADDRESS for sparc.

=20
Why not ask the sparclinux list? (CC'd)

On sparc, at boot time we precompute all of the addresses provided in
the OF device tree.

So we need none of this OF_ADDRESS infrastructure.

=46rankly, I've always believed that this is how address computation
should be done on OF platforms, and it simplifies drivers massively.
You really only need to implement 2 or 3 bus translators to make it
work. Others have disagreed with me.
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