Some devices are bound entirely by probing and do not have the benefit of
a device tree to give them a name. This is very common with PCI and USB. In
most cases this is fine, but we should add an official way to set a device
name. This should be called in the device's bind() method.
Signed-off-by: Simon Glass <s...@chromium.org>
---
drivers/core/device.c | 10 ++++++++++
include/dm/device.h | 15 +++++++++++++++
2 files changed, 25 insertions(+)
diff --git a/drivers/core/device.c b/drivers/core/device.c
index caaf231..bbe7a94 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -603,3 +603,13 @@ bool device_is_last_sibling(struct udevice *dev)
return false;
return list_is_last(&dev->sibling_node, &parent->child_head);
}
+
+int device_set_name(struct udevice *dev, const char *name)
+{
+ name = strdup(name);
+ if (!name)
+ return -ENOMEM;
+ dev->name = name;
+
+ return 0;
+}
diff --git a/include/dm/device.h b/include/dm/device.h
index 38e23f8..5a04379 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -468,6 +468,21 @@ bool device_has_active_children(struct udevice *dev);
*/
bool device_is_last_sibling(struct udevice *dev);
+/**
+ * device_set_name() - set the name of a device
+ *
+ * This must be called in the device's bind() method and no later. Normally
+ * this is unnecessary but for probed devices which don't get a useful name
+ * this function can be helpful.
+ *
+ * @dev: Device to update
+ * @name: New name (this string is allocated new memory and attached to
+ * the device)
+ * @return 0 if OK, -ENOMEM if there is not enough memory to allocate the
+ * string
+ */
+int device_set_name(struct udevice *dev, const char *name);
+
/* device resource management */
typedef void (*dr_release_t)(struct udevice *dev, void *res);
typedef int (*dr_match_t)(struct udevice *dev, void *res, void *match_data);
--
2.5.0.rc2.392.g76e840b
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