linux-kernel - Re: [PATCH 11/27] mfd: ab8500-gpadc: use pm_runtime_last_busy_and

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Message-ID: <20141007072125.GL18035@lee--X1>
Date:	Tue, 7 Oct 2014 08:21:25 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	linux-kernel@...r.kernel.org, subhransu.s.prusty@...el.com,
	Linus Walleij <linus.walleij@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 11/27] mfd: ab8500-gpadc: use
 pm_runtime_last_busy_and_autosuspend helper

On Mon, 06 Oct 2014, Lee Jones wrote:

> On Wed, 24 Sep 2014, Vinod Koul wrote:
> 
> > Use the new pm_runtime_last_busy_and_autosuspend helper instead of open
> > coding the same code
> > 
> > Signed-off-by: Vinod Koul <vinod.koul@...el.com>
> > ---
> >  drivers/mfd/ab8500-gpadc.c |    6 ++----
> >  1 files changed, 2 insertions(+), 4 deletions(-)
> 
> Applied with Linus' Ack.

Okay, I just had to search online for the other patches (as you left
me off PATCH 00/27).  It appears this approach has gone down like a
lead balloon.  For this reason I'm pulling these patches from my v3.19
branch.

> > diff --git a/drivers/mfd/ab8500-gpadc.c b/drivers/mfd/ab8500-gpadc.c
> > index 36000f9..46bea3a 100644
> > --- a/drivers/mfd/ab8500-gpadc.c
> > +++ b/drivers/mfd/ab8500-gpadc.c
> > @@ -571,8 +571,7 @@ int ab8500_gpadc_double_read_raw(struct ab8500_gpadc *gpadc, u8 channel,
> >  	}
> >  
> >  	/* Disable VTVout LDO this is required for GPADC */
> > -	pm_runtime_mark_last_busy(gpadc->dev);
> > -	pm_runtime_put_autosuspend(gpadc->dev);
> > +	pm_runtime_last_busy_and_autosuspend(gpadc->dev);
> >  
> >  	mutex_unlock(&gpadc->ab8500_gpadc_lock);
> >  
> > @@ -910,8 +909,7 @@ static int ab8500_gpadc_resume(struct device *dev)
> >  	if (ret)
> >  		dev_err(dev, "Failed to enable vtvout LDO: %d\n", ret);
> >  
> > -	pm_runtime_mark_last_busy(gpadc->dev);
> > -	pm_runtime_put_autosuspend(gpadc->dev);
> > +	pm_runtime_last_busy_and_autosuspend(gpadc->dev);
> >  
> >  	mutex_unlock(&gpadc->ab8500_gpadc_lock);
> >  	return ret;
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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