Hi Marco,
Looks mostly good, only a few things, mostly nitpicks, left.
> +int of_device_ensure_probed_by_alias(const char *alias)
> +{
> + struct device_node *dev_node;
> +
> + dev_node = of_find_node_by_alias(NULL, alias);
> + if (!dev_node)
> + return -EINVAL;
> +
> + return of_device_ensure_probed(dev_node);
> +}
> +EXPORT_SYMBOL_GPL(of_device_ensure_probed_by_alias);
> +
> +/**
> + * of_devices_ensure_probed_by_dev_id() - ensures that a devices are probed
s/a//
> + *
> + * @np: the start point device_node handle
> + * @ids: the matching 'struct of_device_id' ids
> + *
> + * The function start searching the device tree from @np and populates and
> + * probes devices which matches @ids.
s/matches/match/
> + *
> + * Return: %0 on success
> + * %-ENODEV if either the device wasn't found, can't be populated,
> + * the driver is missing or the driver probe returns an error
> + */
> +int of_devices_ensure_probed_by_dev_id(struct device_node *np,
> + const struct of_device_id *ids)
> +{
> + struct device_node *child;
> +
> + if (of_match_node(ids, np))
> + return of_device_ensure_probed(np);
> +
> + for_each_child_of_node(np, child) {
> + int ret;
> +
> + ret = of_devices_ensure_probed_by_dev_id(child, ids);
> + if (!ret)
> + return 0;
> + }
> +
> + return -ENODEV;
> +}
> +EXPORT_SYMBOL_GPL(of_devices_ensure_probed_by_dev_id);
I think you want to use for_each_matching_node() here which iterates
over the tree without recursion.
> +
> +/**
> + * of_devices_ensure_probed_by_property() - ensures that a devices are probed
s/a//
> + *
> + * @property_name: The property name to search for
> + *
> + * The function start searching the whole device tree and populates and probe
s/probe/probes/
> + * devices which matches @property_name.
s/matches/match/
Sascha
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