Re: [PATCH v2 4/9] i2c: rcar: switch to i2c generic dt parsing

["Shevchenko, Andriy" <andriy.shevchenko@intel.com>]

On Tue, 2015-12-08 at 12:59 +0200, Andy Shevchenko wrote:
> On Tue, 2015-12-08 at 10:37 +0100, Wolfram Sang wrote:
> > From: Wolfram Sang <wsa+renesas@sang-engineering.com>
> > 
> > Switch to the new generic functions. Plain convert, no
> > functionality
> > added yet.
> 
> One style nitpick.

Ah, just seen next patch. Yeah, current make sense.
Never mind below comment.

> 
> > 
> > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> > ---
> >  drivers/i2c/busses/i2c-rcar.c | 16 +++++++++-------
> >  1 file changed, 9 insertions(+), 7 deletions(-)
> > 
> > diff --git a/drivers/i2c/busses/i2c-rcar.c
> > b/drivers/i2c/busses/i2c-
> > rcar.c
> > index d4322a9096786f..c663f4389bf898 100644
> > --- a/drivers/i2c/busses/i2c-rcar.c
> > +++ b/drivers/i2c/busses/i2c-rcar.c
> > @@ -162,12 +162,15 @@ static int rcar_i2c_bus_barrier(struct
> > rcar_i2c_priv *priv)
> >  	return -EBUSY;
> >  }
> >  
> > -static int rcar_i2c_clock_calculate(struct rcar_i2c_priv *priv,
> > u32
> > bus_speed)
> > +static int rcar_i2c_clock_calculate(struct rcar_i2c_priv *priv,
> > struct i2c_timings *t)
> >  {
> >  	u32 scgd, cdf, round, ick, scl, cdf_width;
> >  	unsigned long rate;
> >  	struct device *dev = rcar_i2c_priv_to_dev(priv);
> >  
> > +	/* Fall back to previously used values if not supplied */
> > +	t->bus_freq_hz = t->bus_freq_hz ?: 100000;
> 
> On one hand it seems enough space to put one more t->bus_freq_hz, on
> the other why not
> 
> if (!t->bus_freq_hz)
>   = 100000;
> 
> I think a bit better to maintain latter.
> 

-- 
Andy Shevchenko <andriy.shevchenko@intel.com>
Intel Finland Oy
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