linux-kernel - Re: [alsa-devel] [PATCH] ASoC: fsl_ssi: free irq before irq_dispose

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Message-ID: <547C9CAD.1000008@tabi.org>
Date:	Mon, 01 Dec 2014 10:51:57 -0600
From:	Timur Tabi <timur@...i.org>
To:	Lars-Peter Clausen <lars@...afoo.de>,
	Markus Pargmann <mpa@...gutronix.de>,
	Jiada Wang <jiada_wang@...tor.com>
CC:	alsa-devel@...a-project.org, lgirdwood@...il.com, tiwai@...e.de,
	Li.Xiubo@...escale.com, nicoleotsuka@...il.com, broonie@...nel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [alsa-devel] [PATCH] ASoC: fsl_ssi: free irq before irq_dispose_mapping()

On 12/01/2014 10:49 AM, Lars-Peter Clausen wrote:

> The driver creates the mapping by calling irq_of_parse_and_map(), so it
> also has to dispose the mapping. But the easy way out is to simply use
> platform_get_irq() instead of irq_of_parse_map(). In this case the
> mapping is not managed by the device but by the of core, so the device
> has not to dispose the mapping.

Is this a problem unique to the SSI driver?  Maybe devm_free_irq() 
should also dispose of the mapping?

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