linux-kernel - Re: [PATCH] mfd: arizona: simplify use of shared IRQ

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Date:	Wed, 1 Aug 2012 21:56:52 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Stephen Warren <swarren@...dotorg.org>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>, linux-kernel@...r.kernel.org,
	Stephen Warren <swarren@...dia.com>
Subject: Re: [PATCH] mfd: arizona: simplify use of shared IRQ

On Wed, Aug 01, 2012 at 02:37:35PM -0600, Stephen Warren wrote:

> One outstanding issue with this change is that it removes the pm_runtime
> calls from the interrupt handler thread. Equivalent code should presumably
> be added to regmap_irq_thread(). However, I haven't attempted this yet
> since I understand some pm_runtime support has already been added to
> regmap, so don't want to duplicate anything, although I haven't seen
> those changes yet to be sure.

This would cause massive breakage if applied as is due to the above
issue (the device won't have physical I/O when handling most interrupts)
and now that I think about it future work means that I'd actually prefer
to keep the code as-is for now anyway.
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