diff options
| -rw-r--r-- | drivers/core/uclass.c | 19 | ||||
| -rw-r--r-- | include/dm/uclass.h | 11 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c index cdb975d5b3..f38122d54b 100644 --- a/drivers/core/uclass.c +++ b/drivers/core/uclass.c @@ -757,6 +757,25 @@ int uclass_pre_remove_device(struct udevice *dev) } #endif +int uclass_probe_all(enum uclass_id id) +{ + struct udevice *dev; + int ret; + + ret = uclass_first_device(id, &dev); + if (ret || !dev) + return ret; + + /* Scanning uclass to probe all devices */ + while (dev) { + ret = uclass_next_device(&dev); + if (ret) + return ret; + } + + return 0; +} + UCLASS_DRIVER(nop) = { .id = UCLASS_NOP, .name = "nop", diff --git a/include/dm/uclass.h b/include/dm/uclass.h index b5f066dbf4..d95683740c 100644 --- a/include/dm/uclass.h +++ b/include/dm/uclass.h @@ -377,6 +377,17 @@ int uclass_first_device_drvdata(enum uclass_id id, ulong driver_data, struct udevice **devp); /** + * uclass_probe_all() - Probe all devices based on an uclass ID + * + * This function probes all devices associated with a uclass by + * looking for its ID. + * + * @id: uclass ID to look up + * @return 0 if OK, other -ve on error + */ +int uclass_probe_all(enum uclass_id id); + +/** * uclass_id_foreach_dev() - Helper function to iteration through devices * * This creates a for() loop which works through the available devices in |