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Date:   Thu, 23 Nov 2017 01:21:00 +0000
From:   MyungJoo Ham <myungjoo.ham@...sung.com>
To:     Joe Perches <joe@...ches.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>
CC:     "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: Re: [PATCH 1/4] rk3399_dmc: Fix line continuation format

> On Wed, 2017-11-22 at 14:13 +0900, Chanwoo Choi wrote:
> > On 2017년 11월 17일 00:27, Joe Perches wrote:
> > > Line continuations with excess spacing causes unexpected output.
> > > 
> > > Signed-off-by: Joe Perches <joe@...ches.com>
> > > ---
> > >  drivers/devfreq/rk3399_dmc.c | 4 ++--
> > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c
> > > index 5dfbfa3cc878..0938c97d46f0 100644
> > > --- a/drivers/devfreq/rk3399_dmc.c
> > > +++ b/drivers/devfreq/rk3399_dmc.c
> > > @@ -146,8 +146,8 @@ static int rk3399_dmcfreq_target(struct device *dev, unsigned long *freq,
> > >  
> > >  	/* If get the incorrect rate, set voltage to old value. */
> > >  	if (dmcfreq->rate != target_rate) {
> > > -		dev_err(dev, "Get wrong ddr frequency, Request frequency %lu,\
> > > -			Current frequency %lu\n", target_rate, dmcfreq->rate);
> > > +		dev_err(dev, "Get wrong ddr frequency, Request frequency %lu, Current frequency %lu\n",
> > > +			target_rate, dmcfreq->rate);
> > 
> > IMO, I don't like over 80 char in the one line.
> 
> Fix it as you chose, but the code I proposed
> is what is preferred by CodingStyle.
> 
> The current code is unintentional.
> 
> Right now there are 3 tabs between "Request frequency"
> and "Current frequency" in the output.

Chanwoo, this is not a simple coding style issue.
I'm seeing these unintentional tabs as well.

If you want to keep it 80 cols with strings (which is not mandatory for strings in double quotes),
We'd better do:

-		dev_err(dev, "Get wrong ddr frequency, Request frequency %lu,\
-			Current frequency %lu\n", target_rate, dmcfreq->rate);
+		dev_err(dev, "Get wrong ddr frequency, Request frequency %lu,"
+			" Current frequency %lu\n", target_rate, dmcfreq->rate);

Cheers,
MyungJoo

> 
> > >  		regulator_set_voltage(dmcfreq->vdd_center, dmcfreq->volt,
> > >  				      dmcfreq->volt);
> > >  		goto out;
> > > 
> > 
> > 
> 

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