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path: root/drivers/core/uclass.c
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Diffstat (limited to 'drivers/core/uclass.c')
-rw-r--r--drivers/core/uclass.c59
1 files changed, 34 insertions, 25 deletions
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 98c15e585df..21ab0d52452 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -156,6 +156,36 @@ int uclass_find_device(enum uclass_id id, int index, struct udevice **devp)
return -ENODEV;
}
+int uclass_find_first_device(enum uclass_id id, struct udevice **devp)
+{
+ struct uclass *uc;
+ int ret;
+
+ *devp = NULL;
+ ret = uclass_get(id, &uc);
+ if (ret)
+ return ret;
+ if (list_empty(&uc->dev_head))
+ return 0;
+
+ *devp = list_first_entry(&uc->dev_head, struct udevice, uclass_node);
+
+ return 0;
+}
+
+int uclass_find_next_device(struct udevice **devp)
+{
+ struct udevice *dev = *devp;
+
+ *devp = NULL;
+ if (list_is_last(&dev->uclass_node, &dev->uclass->dev_head))
+ return 0;
+
+ *devp = list_entry(dev->uclass_node.next, struct udevice, uclass_node);
+
+ return 0;
+}
+
int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq,
bool find_req_seq, struct udevice **devp)
{
@@ -274,24 +304,12 @@ int uclass_get_device_by_of_offset(enum uclass_id id, int node,
int uclass_first_device(enum uclass_id id, struct udevice **devp)
{
- struct uclass *uc;
struct udevice *dev;
int ret;
*devp = NULL;
- ret = uclass_get(id, &uc);
- if (ret)
- return ret;
- if (list_empty(&uc->dev_head))
- return 0;
-
- dev = list_first_entry(&uc->dev_head, struct udevice, uclass_node);
- ret = device_probe(dev);
- if (ret)
- return ret;
- *devp = dev;
-
- return 0;
+ ret = uclass_find_first_device(id, &dev);
+ return uclass_get_device_tail(dev, ret, devp);
}
int uclass_next_device(struct udevice **devp)
@@ -300,17 +318,8 @@ int uclass_next_device(struct udevice **devp)
int ret;
*devp = NULL;
- if (list_is_last(&dev->uclass_node, &dev->uclass->dev_head))
- return 0;
-
- dev = list_entry(dev->uclass_node.next, struct udevice,
- uclass_node);
- ret = device_probe(dev);
- if (ret)
- return ret;
- *devp = dev;
-
- return 0;
+ ret = uclass_find_next_device(&dev);
+ return uclass_get_device_tail(dev, ret, devp);
}
int uclass_bind_device(struct udevice *dev)