On Wed, Sep 04, 2024 at 05:00:04PM +0800, Chen-Yu Tsai wrote: > There are cases where drivers would go through child device nodes and > operate on only the ones whose node name starts with a given prefix. > > Provide a helper for these users. This will mainly be used in a > subsequent patch that implements a hardware component prober for I2C > busses. ... > +#define for_each_child_of_node_with_prefix_scoped(parent, child, prefix) \ > + for (struct device_node *child __free(device_node) = \ > + of_get_next_child_with_prefix(parent, NULL, prefix); \ > + child != NULL; \ > + child = of_get_next_child_with_prefix(parent, child, prefix)) I'm wondering if we may drop _scoped from day 1. Yeah, probably a bit confusing as the rest of APIs without that suffix do require reference count handling on the loop abrupt. -- With Best Regards, Andy Shevchenko
