[PATCH 1/2] PowerPC: 4xx uic: add mask_ack callback

[David Gibson]

On Tue, Nov 13, 2007 at 11:25:21PM +0300, Valentine Barshak wrote:
> This adds uic_mask_ack_irq() callback to PowerPC 4xx uic code 
> to avoid kernel crash. It is used for edge-triggered interrupts
> by handle_uic_irq().

Oops.  Obviously never caught this obvious bug, because I've never
used an edge-triggered interrupt on the Ebony yet.

> Signed-off-by: Valentine Barshak <vbarshak at ru.mvista.com>

Acked-by: David Gibson <david at gibson.dropbear.id.au>

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