Add dev_get_parent() as a convenience to obtain the parent of a device.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: None
drivers/core/device.c | 5 +++++ include/dm/device.h | 8 ++++++++ 2 files changed, 13 insertions(+)
diff --git a/drivers/core/device.c b/drivers/core/device.c index 0d84776..76b29fd 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -549,6 +549,11 @@ int device_find_next_child(struct udevice **devp) return 0; }
+struct udevice *dev_get_parent(struct udevice *child) +{ + return child->parent; +} + ulong dev_get_of_data(struct udevice *dev) { return dev->of_id->data; diff --git a/include/dm/device.h b/include/dm/device.h index 287504c..13598a1 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -208,6 +208,14 @@ void *dev_get_parentdata(struct udevice *dev); void *dev_get_priv(struct udevice *dev);
/** + * struct dev_get_parent() - Get the parent of a device + * + * @child: Child to check + * @return parent of child, or NULL if this is the root device + */ +struct udevice *dev_get_parent(struct udevice *child); + +/** * dev_get_of_data() - get the device tree data used to bind a device * * When a device is bound using a device tree node, it matches a