tree 6c0f03d688d65361aaf4d9d6f8ecdac172cf1aeb
parent d5812a77e5803468a5033be91af978be0f7a17d9
author Dan Malek <dan@embeddededge.com> 1114963122 -0700
committer Linus Torvalds <torvalds@ppc970.osdl.org> 1114963122 -0700

[PATCH] ppc32: workaround for spurious IRQs on PQ2

There is a problem with large amounts of spurious IRQs on PowerPC 82xx
systems.

The problem is corrected by adding sync at the end of cpm2_mask_and_ack.
This may be needed on 8xx as well but has not yet been confirmed.

Signed-off-by: Eugene Surovegin <ebs@ebshome.net>
Signed-off-by: Dan Malek <dan@embeddedalley.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>