[lkml]   [2009]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 1/2] vga: implements VGA arbitration on Linux
On Thu, Jul 16, 2009 at 01:54:42PM +1000, Dave Airlie wrote:
> On Wed, Jul 15, 2009 at 2:15 AM, Greg KH<> wrote:
> > Minor comment:
> >
> >> +#ifdef DEBUG
> >> +     printk(KERN_DEBUG "%s\n", __func__);
> >> +#endif
> >
> > You should just use 'dev_dbg() for any debugging statments like this.
> > You can turn them on and off dynamically, and you get all of the proper
> > device information as to what is going on automatically.
> >
> > Plus, there's no need for a #ifdef in the code, which is generally
> > frowned apon in .c files.
> >
> We don't have a device in this case, vga arb is more of an abstraction than
> an actual device.
> I suppose if we were feeling crazy we could add a platform device for it.

No, then use the debug_printk() functions, so that you tie into the
kernel-wide debug message system. Please don't roll your own anymore,
there is no need to.


greg k-h
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2009-07-16 06:05    [W:0.087 / U:5.628 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site