Messages in this thread | | | Date | Wed, 15 Jul 2009 21:02:25 -0700 | From | Greg KH <> | Subject | Re: [PATCH 1/2] vga: implements VGA arbitration on Linux |
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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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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