[PATCH 1/2] of: Add for_each_compatible_node_from iterator
s.hauer at pengutronix.de
Mon Jan 4 00:32:57 PST 2016
On Sat, Dec 19, 2015 at 12:13:59AM +0000, Trent Piepho wrote:
> The existing iterator for_each_compatible_node() searches for each
> compatible node starting from the root of the loaded device tree.
> This means it only works on the barebox device tree and not the tree
> to be passed to the Linux kernel, which is what an of_fixup would
> probably want to use.
> This adds for_each_compatible_node_from(), which takes an additional
> parameter of a root to search from. This could be the device tree to
> be used for the kernel. It could also be used to search just a
> Signed-off-by: Trent Piepho <tpiepho at kymetacorp.com>
> It's possible the fixups in cm_cogent_fixup() and hb_fixup() should
> be using this. It's not clear to me if they want to modify the barebox
> device tree or the Linux device tree or both.
It's always the Linux device tree that is fixed up in the OF fixups.
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