linux-kernel - Re: [PATCH v3 2/7] staging: sm750fb: unifying macro usage and definitions

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Date:   Tue, 13 Jun 2017 09:40:40 +0200
From:   Matej Dujava <mdujava@...urkovo.cz>
To:     Greg KH <greg@...ah.com>
Cc:     Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Teddy Wang <teddy.wang@...iconmotion.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/7] staging: sm750fb: unifying macro usage and
 definitions

On Thu, May 18, 2017 at 03:56:26PM +0200, Greg KH wrote:
> On Tue, May 16, 2017 at 11:20:18AM +0200, Matej Dujava wrote:
> > This patch adds tabs into macro definitions so all rhs are on same column.
> > Move MHz macro from ddk_chip.c to ddk_chip.h.
> > 
> > Signed-off-by: Matej Dujava <mdujava@...urkovo.cz>
> > ---
> >  drivers/staging/sm750fb/ddk750_chip.c    | 18 ++++----
> >  drivers/staging/sm750fb/ddk750_chip.h    |  5 +-
> >  drivers/staging/sm750fb/ddk750_display.h | 78 ++++++++++++++++----------------
> >  drivers/staging/sm750fb/ddk750_hwi2c.c   |  4 +-
> >  drivers/staging/sm750fb/sm750.h          |  6 +--
> >  5 files changed, 55 insertions(+), 56 deletions(-)
> > 
> > diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c
> > index 944dd25..64d0a53 100644
> > --- a/drivers/staging/sm750fb/ddk750_chip.c
> > +++ b/drivers/staging/sm750fb/ddk750_chip.c
> > @@ -5,8 +5,6 @@
> >  #include "ddk750_chip.h"
> >  #include "ddk750_power.h"
> >  
> > -#define MHz(x) ((x) * 1000000)
> > -
> >  static logical_chip_type_t chip;
> >  
> >  logical_chip_type_t sm750_get_chip_type(void)
> > @@ -36,7 +34,7 @@ static unsigned int get_mxclk_freq(void)
> >  	unsigned int M, N, OD, POD;
> >  
> >  	if (sm750_get_chip_type() == SM750LE)
> > -		return MHz(130);
> > +		return MHZ(130);
> 
> But MHz makes more sense, don't you think so?
> 
> Please leave that as-is.
> 
> thanks,
> 
> greg k-h

I see it, but there is:
sm750.h:#define MHZ(x)              ((x) * 1000000)
ddk750_chip.c:#define MHz(x)        ((x) * 1000000)
and I think macros should be in header files, so I removed declaration
in c file.

Thank you,

Matej Dujava