Re: [RFC] driver-core: Add device node pointer to struct device
From: Greg KH
Date: Wed Feb 24 2010 - 17:38:20 EST
On Wed, Feb 24, 2010 at 03:09:24PM -0700, Grant Likely wrote:
> On Wed, Feb 24, 2010 at 2:44 PM, Greg KH <gregkh@xxxxxxx> wrote:
> > On Wed, Feb 24, 2010 at 02:10:30PM -0700, Grant Likely wrote:
> >> Greg and Kay,
> >>
> >> This is a patch from a larger series of OF related cleanup patches. This
> >> one adds a new 'of_node' member to struct device, conditional upon
> >> CONFIG_OF. The goal is to move of_node out of archdata because all
> >> arches using CONFIG_OF need it.
> >>
> >> Before I commit too much effort down this path, I want to get your
> >> feedback. Do you have any objections to this change to struct device?
> >>
> >> @@ -414,6 +415,9 @@ struct device {
> >> override */
> >> /* arch specific additions */
> >> struct dev_archdata archdata;
> >> +#ifdef CONFIG_OF
> >> + struct device_node *of_node;
> >> +#endif
> >
> > No objection from me, but do we really need the #ifdef here?
>
> I added the #ifdef because it is complete dead weight when CONFIG_OF
> is not set. However, I'll defer to your preference here on what looks
> cleaner w.r.t. maintenance.
Ok, you can leave it as-is, that's not a problem. As long as we don't
have to #ifdef the core code, it should be fine.
thanks,
greg k-h
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