On Tue, Aug 25, 2020 at 05:32:28PM +0300, Andy Shevchenko wrote:

On Tue, Aug 25, 2020 at 04:59:50PM +0300, Heikki Krogerus wrote:

quoted

This helper will register a software node and then assign
it to device at the same time. The function will also make
sure that the device can't have more than one software node.

quoted

+	/* Only one software node per device. */
+	if (dev_to_swnode(dev))
+		return -EBUSY;

quoted

+	swnode = dev_to_swnode(dev);
+	if (!swnode)
+		return;

Hmm... I didn't find implementation of dev_to_swnode().
What did I miss?

Now found, I was looking into header, but it's defined in the c-file in
previous patch.

-- 
With Best Regards,
Andy Shevchenko