ns9xxx: check for irq lockups
authorUwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Fri, 25 Apr 2008 13:16:17 +0000 (15:16 +0200)
committerUwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Fri, 25 Apr 2008 13:45:08 +0000 (15:45 +0200)
When I copy-adapted handle_level_irq I skipped note_interrupt because
I considered it unimportant.  If I had understand its importance I would
have saved myself some ours of debugging.

Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>

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