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SubjectRe: [PATCH v2 3/5] regulator: helper routine to extract regulator_init_data
On Mon, Oct 24, 2011 at 11:32:19AM +0530, Rajendra Nayak wrote:
> On Friday 21 October 2011 05:28 PM, Shawn Guo wrote:
> >On Fri, Oct 21, 2011 at 02:11:55PM +0530, Rajendra Nayak wrote:
> >[...]
> >>>+ /* find device_node and attach it */
> >>>+ rdev->dev.of_node = of_find_node_by_name(NULL, regulator_desc->name);
> >>
> >>so would this do a complete dt search for every regulator?
> >
> >Yes, with the first param being NULL, tthe entire device tree will be
> >searched.
> >
> >>we would also need the driver names and dt names to match for this to
> >>work, right?
> >>
> >Driver name does not matter. The key for this search to work is having
> >regulator's name (regulator_desc->name) match device tree node's name,
> >case ignored.
>
> Mark, whats your take on this? I am somehow not quite sure if we should
> have this limitation put in to match DT node names with whats in the
> driver structs (regulator_desc).

This looks wrong to me. Matching based on node /name/, particularly
when searching the entire tree, will cause problems.

g.


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