Re: [PATCH] serial: samsung: macros with complex values should be enclosed in parentheses

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On Thu, 2018-03-22 at 13:37 +0900, y.k.oh wrote:
> 
> On 03/14/2018 10:58 PM, Greg KH wrote:
> > On Wed, Mar 14, 2018 at 11:17:05AM +0900, YOUNGKEUN OH wrote:
> > > Cleanup checkpatch error:
> > > ERROR: Macros with complex values should be enclosed in parentheses
> > > 
> > > Signed-off-by: YOUNGKEUN OH <y.k.oh@xxxxxxxxxxx>
> > > ---
> > >  drivers/tty/serial/samsung.c | 16 ++++++++--------
> > >  1 file changed, 8 insertions(+), 8 deletions(-)
> > > 
> > > diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
> > > index 3f2f8c1..da9bddb1 100644
> > > --- a/drivers/tty/serial/samsung.c
> > > +++ b/drivers/tty/serial/samsung.c
> > > @@ -1455,7 +1455,7 @@ static int __init s3c24xx_serial_console_init(void)
> > >  }
> > >  console_initcall(s3c24xx_serial_console_init);
> > > 
> > > -#define S3C24XX_SERIAL_CONSOLE &s3c24xx_serial_console
> > > +#define S3C24XX_SERIAL_CONSOLE (&s3c24xx_serial_console)
> > 
> > That's not a complex macro!
> > 
> > Please use checkpatch as a hint, not the "truth".
> > 
> > thanks,
> > 
> > greg k-h
> > 
> 
> Dear Greg.
> 
> Yes! Of course that's not a pretty complex macro. However, I think it is
> important to make a small effort to modify the minimum standard,
> Checkpatch ERROR, to ensure consistency in the Linux code.
> Starting with this Checkpatch error of samsung.c, I would like to start
> my efforts on contribution from a small point.  Please review it again.
> If there are any points that require modification, such as comment,
> then I'll modify it.

It might be better to remove the #defines and use
an #ifdef in the one place S2C24XX_SERIAL_CONSOLE
is referenced instead.

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