For use in commands like done in the follow-up commits, it can be useful to have a best effort find_device, that not only finds by device name, but also by device tree path or alias. Add such a helper. Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- drivers/base/driver.c | 16 ++++++++++++++++ include/driver.h | 5 +++++ 2 files changed, 21 insertions(+) diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 072870bea444..cbe1c974f4fe 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -46,6 +46,22 @@ LIST_HEAD(active_device_list); EXPORT_SYMBOL(active_device_list); static LIST_HEAD(deferred); +struct device_d *find_device(const char *str) +{ + struct device_d *dev; + struct device_node *np; + + dev = get_device_by_name(str); + if (dev) + return dev; + + np = of_find_node_by_path_or_alias(NULL, str); + if (np) + return of_find_device_by_node(np); + + return NULL; +} + struct device_d *get_device_by_name(const char *name) { struct device_d *dev; diff --git a/include/driver.h b/include/driver.h index 67ffbba6be80..543287a27638 100644 --- a/include/driver.h +++ b/include/driver.h @@ -169,6 +169,11 @@ struct device_d *get_device_by_type(ulong type, struct device_d *last); struct device_d *get_device_by_id(const char *id); struct device_d *get_device_by_name(const char *name); +/* Find a device by name and if not found look up by device tree path + * or alias + */ +struct device_d *find_device(const char *str); + /* Find a free device id from the given template. This is archieved by * appending a number to the template. Dynamically created devices should * use this function rather than filling the id field themselves. -- 2.30.2