Implement a helper to call .on_reset method for every device in a certain uclass.
Intention is to use this helper for UCLASS_SPI_FLASH before board reset to exit 4-byte adressing mode.
Signed-off-by: Robert Marko robert.marko@sartura.hr --- drivers/core/uclass.c | 13 +++++++++++++ include/dm/uclass.h | 8 ++++++++ 2 files changed, 21 insertions(+)
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c index e46d5717aa..bed5553d5e 100644 --- a/drivers/core/uclass.c +++ b/drivers/core/uclass.c @@ -831,6 +831,19 @@ int uclass_id_count(enum uclass_id id) return count; }
+int uclass_id_on_reset(enum uclass_id id) +{ + struct udevice *dev; + struct uclass *uc; + + uclass_id_foreach_dev(id, dev, uc) { + if (dev->driver->on_reset) + return dev->driver->on_reset(dev); + } + + return 0; +} + UCLASS_DRIVER(nop) = { .id = UCLASS_NOP, .name = "nop", diff --git a/include/dm/uclass.h b/include/dm/uclass.h index 456eef7f2f..57eb1b144f 100644 --- a/include/dm/uclass.h +++ b/include/dm/uclass.h @@ -454,6 +454,14 @@ int uclass_probe_all(enum uclass_id id); */ int uclass_id_count(enum uclass_id id);
+/** + * uclass_id_on_reset() - call on_reset for devices of a given uclass ID + * + * @id: uclass ID to look up + * Return: 0 if OK, other -ve on error + */ +int uclass_id_on_reset(enum uclass_id id); + /** * uclass_id_foreach_dev() - iterate through devices of a given uclass ID *