Re: [PATCH V17 2/3] dmaengine: qcom_hidma: add debugfs hooks

[okaya]

On 2016-04-25 23:30, Vinod Koul wrote:
> On Mon, Apr 11, 2016 at 10:21:12AM -0400, Sinan Kaya wrote:
>
> > +static int hidma_chan_stats(struct seq_file *s, void *unused)
> > +{
> > +	struct hidma_chan *mchan = s->private;
> > +	struct hidma_desc *mdesc;
> > +	struct hidma_dev *dmadev = mchan->dmadev;
> > +
> > +	pm_runtime_get_sync(dmadev->ddev.dev);
>
> debug shouldn't power up device, why do you want to do that


Clocks are turned off while the hw is idle. I canât reach hw registers 
without restoring power.