Subject: Re: [alsa-devel] [PATCH] ASoC: fsl_ssi: free irq before irq_dispose_mapping()

From: Mark Brown <[email-masked]>
Date: Mon, 1 Dec 2014 20:16:37 +0000

On Mon, Dec 01, 2014 at 09:01:43PM +0100, Arnd Bergmann wrote:
> On Monday 01 December 2014 13:59:27 Timur Tabi wrote:
> > On 12/01/2014 01:56 PM, Arnd Bergmann wrote:

> > > All other drivers that call irq_of_parse_and_map and pass that into
> > > devm_request_irq just never unmap, and their interrupts are already
> > > mapped by the platform code, so I think it's not even a leak.

> > Does this mean that fsl_ssi.c should not be calling 
> > irq_of_parse_and_map?  How else should it get the IRQ?

> platform_get_irq()

Right, and just to emphasize what we were saying earlier the code was
fine when originally written - both mapping inside platform_get_irq()
and devm_ came along quite a while after the driver was originally
written.