[PATCH 1/3] driver core & of: Mark of_nodes of added device as populated

Pawel Moll pawel.moll at arm.com
Mon Apr 28 10:40:54 PDT 2014


On Tue, 2014-02-11 at 12:32 -0500, Christopher Covington wrote:
> Hi Pawel,
> 
> On 02/11/2014 11:53 AM, Pawel Moll wrote:
> > This patch tries to solve that issue in a generic way,
> > adding a "populated" flag which is set in the device_node
> > structure when a device is being created in the core.
> > Later, of_platform_populate() skips such nodes (and
> > its children) in a similar way to the non-available ones.
> 
> Will there never be a case where it is useful for a parent node to be created
> early, but not necessarily the child nodes? Might only skipping nodes
> explicitly marked as populated be a more universal solution?

That's a good point. I've assumed one would either use
of_platform_device_create() on leaf nodes only (or
of_platform_populate() on subtree), and kept this approach in the
refreshed patch I'm about to post, but I'm happy to do what you
suggested.

Thanks!

Pawel




More information about the linux-arm-kernel mailing list