[alsa-devel] [PATCH V1] ASoC: fsl_ssi: refine ipg clock usage in this module

[Mark Brown]

On Tue, Sep 09, 2014 at 11:03:10AM -0700, Nicolin Chen wrote:
> On Tue, Sep 09, 2014 at 12:27:50PM +0100, Mark Brown wrote:
> > On Tue, Sep 09, 2014 at 05:18:07PM +0800, Shengjiu Wang wrote:
> > > -	ssi_private->clk = devm_clk_get(&pdev->dev, NULL);
> > > +	ssi_private->clk = devm_clk_get(&pdev->dev, "ipg");

> > Why is this change being made?  It wasn't mentioned in the commit log
> > and doesn't seem relevant to moving where the enable and disable are
> > done which is what the patch is supposed to be doing...

> I think Shengjiu is trying to keep the clock disabled while SSI's idle.
> The current driver enables ipg clock anyway even if there's no stream
> running.

> Apparently, these should be put into the comment log.

I got that bit.  However as well as changing where the enable and
disable take place this is also changing from requesting a clock with a
NULL to requesting one called "ipg".
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