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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<greg@kroah.com> 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.

thanks,

greg k-h
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