[POWERPC] Invert null match behaviour for irq_hosts

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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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This commit is contained in:

Michael Ellerman 2007-08-28 18:47:55 +10:00 • committed by Paul Mackerras

parent 52964f87c6

commit 8528ab84eb

4 changed files with 22 additions and 1 deletions

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2

arch/powerpc/kernel/irq.c

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7

arch/powerpc/platforms/celleb/interrupt.c

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7

arch/powerpc/platforms/iseries/irq.c

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7

arch/powerpc/platforms/ps3/interrupt.c

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