dm: core: uclass: add function: uclass_find_device_by_name()

[karo-tx-uboot.git] / drivers / core / uclass.c

diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 21ab0d52452f09fefaa9b6c1a6845ca9037601e0..61e96e9a42798d7ada6b1c629983d1957664942b 100644 (file)
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -186,6 +186,30 @@ int uclass_find_next_device(struct udevice **devp)
        return 0;
 }
 
+int uclass_find_device_by_name(enum uclass_id id, const char *name,
+                              struct udevice **devp)
+{
+       struct uclass *uc;
+       struct udevice *dev;
+       int ret;
+
+       *devp = NULL;
+       if (!name)
+               return -EINVAL;
+       ret = uclass_get(id, &uc);
+       if (ret)
+               return ret;
+
+       list_for_each_entry(dev, &uc->dev_head, uclass_node) {
+               if (!strncmp(dev->name, name, strlen(name))) {
+                       *devp = dev;
+                       return 0;
+               }
+       }
+
+       return -ENODEV;
+}
+
 int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq,
                              bool find_req_seq, struct udevice **devp)
 {