Re: [PATCH v2 2/2] dma: img-mdc: Add runtime PM

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On Thu, Oct 12, 2017 at 06:19:29PM +0100, Ed Blake wrote:
> On 12/10/17 18:12, Vinod Koul wrote:
> > On Mon, Oct 09, 2017 at 03:40:27PM +0100, Ed Blake wrote:
> >> +static int img_mdc_runtime_resume(struct device *dev)
> >> +{
> >> +	struct mdc_dma *mdma = dev_get_drvdata(dev);
> >> +
> >> +	return clk_prepare_enable(mdma->clk);
> >> +}
> > This one is same as...
> >
> > On Mon, Oct 09, 2017 at 03:40:26PM +0100, Ed Blake wrote:
> >> +static int img_mdc_resume_early(struct device *dev)
> >> +{
> >> +	struct mdc_dma *mdma = dev_get_drvdata(dev);
> >> +
> >> +	return clk_prepare_enable(mdma->clk);
> >> +}
> > ... this one.
> >
> > why not use a same fn for both...
> 
> That is the img_mdc_resume_early() of patch 1/2.  It changes in patch
> 2/2 so is no longer the same:

right, so why modify something you have added in previous patch, why cant
this change come in same patch....

> 
> On 09/10/17 15:40, Ed Blake wrote:
> >  static int img_mdc_resume_early(struct device *dev)
> >  {
> > -	struct mdc_dma *mdma = dev_get_drvdata(dev);
> > -
> > -	return clk_prepare_enable(mdma->clk);
> > +	return pm_runtime_force_resume(dev);
> >  }
> 
> ---
> Ed.

-- 
~Vinod
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