On Thursday 03 November 2016 07:46 PM, Rob Herring wrote:
On Thu, Nov 3, 2016 at 12:24 AM, Laxman Dewangan <ldewangan@xxxxxxxxxx> wrote:
On Thursday 03 November 2016 09:09 AM, Rob Herring wrote:
On Fri, Oct 28, 2016 at 6:28 AM, Laxman Dewangan <ldewangan@xxxxxxxxxx>
wrote:
The function __of_find_all_nodes() is used in the public header
linux/of.h and if any driver developed using this API then
it reports error as unknown symbol if compiled as module.
Export this APIs using EXPORT_SYMBOL() so that it can be used
from driver compiled as module.
What driver needs this? This isn't really a function I'd expect drivers to
use.
I am using the for loop for each node using the macro
for_each_of_allnodes_from() which is define as
#define for_each_of_allnodes_from(from, dn) \
for (dn = __of_find_all_nodes(from); dn; dn =
__of_find_all_nodes(dn))
and this is using the above APIs.
And then what driver is using this define?
We are developing the utils/testcase on OF interface echo system. In one
of the testcase, we want to limit the node and property name length to
32 (max) as per ePAPR specs. This is needed to reuse the DT in multi-OS
environment and so want to maintain ePAPR compliance here.
We are using the above macro for iterating over each node.
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