Re: [PATCH] of: Export __of_find_all_nodes()

Hi!

On 18/01/17 22:33, Frank Rowand wrote:

quoted

This is necessary for for_each_of_allnodes() to work in the modules.

Signed-off-by: Alexander Sverdlin <redacted>
Cc: Rob Herring <redacted>
Cc: Frank Rowand <redacted>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
 drivers/of/base.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 2eb4dea62b84..f576c33e0b84 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c

@@ -270,6 +270,7 @@ struct device_node *__of_find_all_nodes(struct device_node *prev)
 	}
 	return np;
 }
+EXPORT_SYMBOL_GPL(__of_find_all_nodes);
 
 /**
  * of_find_all_nodes - Get next node in global list

Quoting Rob from the last request for this:

"What driver needs this? This isn't really a function I'd expect drivers to use."

This one and the one from previous patch/mail are used in a module which reads DT overlays
from pluggable extension boards, eventually performs some sanity checks/corrections and
applies these overlays. This eventual corrections require low-level access to DT.

I cannot judge, how relevant this usecase is for the community, but I was driven by the fact,
that the functions which require the functions I export are defined statically in .h files
and therefore are exposed to the modules.

-- 
Best regards,
Alexander Sverdlin.
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