diff options
| author | Simon Glass <sjg@chromium.org> | 2016-10-05 20:42:13 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-10-11 11:55:33 +0800 |
| commit | 0a5f6f869f1c2c6e9f75d83203754937014cbe47 (patch) | |
| tree | 998b48a943323c397a2c1b856672b77841858039 | |
| parent | 5023bd7a804e09d0bf4937d8fecb5d85af6dba3c (diff) | |
dm: core: Add a function to get a uclass name
It is useful in debug() statements to display the name of the uclass for a
device. Add a simple function to provide this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
| -rw-r--r-- | drivers/core/uclass.c | 9 | ||||
| -rw-r--r-- | include/dm/uclass.h | 8 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c index de602ae52d..60610e5a1f 100644 --- a/drivers/core/uclass.c +++ b/drivers/core/uclass.c @@ -148,6 +148,15 @@ int uclass_get(enum uclass_id id, struct uclass **ucp) return 0; } +const char *uclass_get_name(enum uclass_id id) +{ + struct uclass *uc; + + if (uclass_get(id, &uc)) + return NULL; + return uc->uc_drv->name; +} + int uclass_find_device(enum uclass_id id, int index, struct udevice **devp) { struct uclass *uc; diff --git a/include/dm/uclass.h b/include/dm/uclass.h index 84f05bcfce..b583aa869b 100644 --- a/include/dm/uclass.h +++ b/include/dm/uclass.h @@ -119,6 +119,14 @@ struct uclass_driver { int uclass_get(enum uclass_id key, struct uclass **ucp); /** + * uclass_get_name() - Get the name of a uclass driver + * + * @id: ID to look up + * @returns the name of the uclass driver for that ID, or NULL if none + */ +const char *uclass_get_name(enum uclass_id id); + +/** * uclass_get_device() - Get a uclass device based on an ID and index * * The device is probed to activate it ready for use. |