linux-kernel - Re: [PATCH] irqdomain: Improve diagnostics when a domain mapping fails

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Date:	Fri, 20 Jul 2012 10:43:34 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] irqdomain: Improve diagnostics when a domain mapping
 fails

On Fri, Jul 20, 2012 at 10:33:19AM +0100, Mark Brown wrote:
> When the map operation fails log the error code we get and add a WARN_ON()
> so we get a backtrace (which should help work out which interrupt is the
> source of the issue).

This needs a v2 - I had some other stuff in there which I'd forgotten
added the ret variable, will resend shortly.

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