Re: [PATCH] Staging : fbtft: Removed "line over 80 characters" Warnings

From: Greg KH
Date: Sun Oct 02 2016 - 11:15:50 EST


On Wed, Sep 28, 2016 at 02:27:37PM -0700, Joe Perches wrote:
> On Thu, 2016-09-29 at 02:01 +0530, Harman Kalra wrote:
> > Removed "line over 80 characters" Warnings using checkpatch.pl
> []
> > diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h
> []
> > @@ -402,7 +407,9 @@ static void __exit fbtft_driver_module_exit(void) \
> >  #define fbtft_init_dbg(dev, format, arg...) \
> >  do { \
> >   if (unlikely((dev)->platform_data && \
> > - (((struct fbtft_platform_data *)(dev)->platform_data)->display.debug & DEBUG_DRIVER_INIT_FUNCTIONS))) \
> > + (((struct fbtft_platform_data *) \
> > + (dev)->platform_data)->display.debug \
> > + & DEBUG_DRIVER_INIT_FUNCTIONS))) \
> >   dev_info(dev, format, ##arg); \
> >  } while (0)
>
> A nicer way to do might be a statement expression macro
>
> #define fbtft_init_dbg(dev, format, ...) \
> ({ \
> struct fbtft_platform_data *pdata; \
> pdata = (struct fbtft_platform_data *)((dev)->platform_data); \
> if (unlikely(pdata && \
> pdata->display.debug & DEBUG_DRIVER_INIT_FUNCTIONS)) \
> dev_info(dev, format, ##__VA_ARGS__);
> })

Yes, that is almost readable, I like that a lot better :)

thanks,

greg k-h