On 01/25/18 15:14, Wolfram Sang wrote:

quoted

This means that ftrace can not be used for the of_node_get(),
of_node_put(), and of_node_release() debug info, because
these functions are called before early_initcall().

For the record: You can still unbind/bind devices. This is how I
debugged an issue.

I wasn't implying that the data wasn't usable for any use case.

The point is that using ftrace means there are use cases for the
debug information where the information will not be available.

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