From: Michael Ellerman <michael@ellerman.id.au>
Date: Tue, 28 Aug 2007 08:47:55 +0000 (+1000)
Subject: [POWERPC] Invert null match behaviour for irq_hosts
X-Git-Tag: v2.6.24-rc1~1450^2~282
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8528ab84ebe7a1eeed9b0acc808df86663d506c0;p=pandora-kernel.git

[POWERPC] Invert null match behaviour for irq_hosts

Currently if you don't specify a match callback for your irq_host it's
assumed you match everything. This is a kind of opt-out approach, and
turns out to be the exception rather than the rule.

So change the semantics to be opt-in, ie. you don't match anything unless
you provide a match callback.  This in itself isn't very useful, but will
allow us to provide a default match implementation in a subsequent patch.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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