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

From: [email-masked] (okaya at codeaurora.org)
Date: Tue, 26 Apr 2016 08:08:16 -0400

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 can?t reach hw registers 
without restoring power.