Re: [PATCH 4/5] Input: omap4-keypad - use PM runtime autosuspend

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Mon, Jan 11, 2021 at 08:02:50AM +0200, Tony Lindgren wrote:
> * Tony Lindgren <tony@atomide.com> [210111 05:13]:
> > * Dmitry Torokhov <dmitry.torokhov@gmail.com> [210111 05:01]:
> > > Hi Tony,
> > > 
> > > On Sun, Jan 10, 2021 at 09:05:28PM +0200, Tony Lindgren wrote:
> > > > @@ -350,15 +379,12 @@ static int omap4_keypad_probe(struct platform_device *pdev)
> > > >  
> > > >  	error = omap4_keypad_check_revision(&pdev->dev,
> > > >  					    keypad_data);
> > > > -	if (!error) {
> > > > -		/* Ensure device does not raise interrupts */
> > > > -		omap4_keypad_stop(keypad_data);
> > > > -	}
> > > > -
> > > > -	pm_runtime_put_sync(&pdev->dev);
> > > 
> > > Why are we moving this down? The idea was to make sure the power usage
> > > counters are correct even if we exit probe early.
> > 
> > Yes you are right, omap4_keypad_close() won't help with balancing the
> > get if we exit early.
> > 
> > > Can we call pm_runtime_mark_last_busy() and pm_runtime_put_autosuspend()
> > > here?
> > 
> > Yes that should work as there's no more register access during the probe.
> 
> Below is an updated version. I updated probe to use dev instead of
> &pdev->dev since we have it there. Does this look OK to you?

Yep, looks good, applied.

-- 
Dmitry