Function first goes through all the aliases which have the given stem. It then ensures that all the devices hiding under these aliases are probed. Signed-off-by: Andrej Picej <andrej.picej@xxxxxxxxx> --- drivers/of/base.c | 28 ++++++++++++++++++++++++++++ include/of.h | 6 ++++++ 2 files changed, 34 insertions(+) diff --git a/drivers/of/base.c b/drivers/of/base.c index 80465d6d50..055dba97ab 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -274,6 +274,34 @@ int of_alias_get_id_from(struct device_node *root, struct device_node *np, } EXPORT_SYMBOL_GPL(of_alias_get_id_from); +/** + * of_device_ensured_probed_by_alias_stem - Ensure all devices with alias base name + * are probed + * @stem: Alias stem of the given device_node + * + * The function ensures all devices with the given alias stem are probed. + * + * Returns 0 on success or error code. + */ +int of_device_ensured_probed_by_alias_stem(const char *stem) +{ + struct alias_prop *app; + int id = -ENODEV; + int ret; + + list_for_each_entry(app, &aliases_lookup, link) { + if (of_node_cmp(app->stem, stem) != 0) + continue; + + ret = of_device_ensure_probed(app->np); + if (ret) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(of_device_ensured_probed_by_alias_stem); + const char *of_alias_get(struct device_node *np) { struct alias_prop *app; diff --git a/include/of.h b/include/of.h index 216d0ee763..95817c58a4 100644 --- a/include/of.h +++ b/include/of.h @@ -261,6 +261,7 @@ extern void of_alias_scan(void); extern int of_alias_get_id(struct device_node *np, const char *stem); extern int of_alias_get_id_from(struct device_node *root, struct device_node *np, const char *stem); +extern int of_device_ensured_probed_by_alias_stem(const char *stem); extern const char *of_alias_get(struct device_node *np); extern int of_modalias_node(struct device_node *node, char *modalias, int len); @@ -750,6 +751,11 @@ static inline int of_alias_get_id_from(struct device_node *root, struct device_n return -ENOSYS; } +static int of_device_ensured_probed_by_aliases(const char *stem) +{ + return -ENOSYS; +} + static inline const char *of_alias_get(struct device_node *np) { return NULL; -- 2.25.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox