Date: Tue, 4 Oct 2011 20:36:42 +0200
From: Clemens Buchacher <drizzd@aon.at>
To: Adrian Chadd <adrian@freebsd.org>
Cc: Mohammed Shafi <shafi.wireless@gmail.com>,
	linux-wireless@vger.kernel.org
Subject: Re: ath9k: irq storm after suspend/resume
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On Tue, Oct 04, 2011 at 03:58:09PM +0800, Adrian Chadd wrote:
> 
> There's a function further down in the isr routine which checks
> whether the NIC itself posted the interrupt (it checks
> SYNC_CAUSE/ASYNC_CAUSE.) That should cut down the spam quite a
> bit and only log the relevant entries for ath9k.

If I do this no interrupts are logged at all.

In previous traces SYNC_CAUSE became non-zero only because the
debugging output delayed the interrupt handler enough to give the
initialization code a chance to run.

Clemens