+ debug("%s(dev=%p, name=%s, clk=%p)\n", __func__, dev, name, clk);
+ clk->dev = NULL;
+
+ index = dev_read_stringlist_search(dev, "clock-names", name);
+ if (index < 0) {
+ debug("fdt_stringlist_search() failed: %d\n", index);
+ return index;
+ }
+
+ return clk_get_by_index(dev, index, clk);
+}
+
+int clk_release_all(struct clk *clk, int count)
+{
+ int i, ret;
+
+ for (i = 0; i < count; i++) {
+ debug("%s(clk[%d]=%p)\n", __func__, i, &clk[i]);
+
+ /* check if clock has been previously requested */
+ if (!clk[i].dev)
+ continue;
+
+ ret = clk_disable(&clk[i]);
+ if (ret && ret != -ENOSYS)
+ return ret;
+
+ ret = clk_free(&clk[i]);
+ if (ret && ret != -ENOSYS)
+ return ret;
+ }
+
+ return 0;
+}
+
+#endif /* OF_CONTROL */
+
+int clk_request(struct udevice *dev, struct clk *clk)
+{
+ const struct clk_ops *ops = clk_dev_ops(dev);
+
+ debug("%s(dev=%p, clk=%p)\n", __func__, dev, clk);
+
+ clk->dev = dev;
+
+ if (!ops->request)
+ return 0;
+
+ return ops->request(clk);
+}
+
+int clk_free(struct clk *clk)
+{
+ const struct clk_ops *ops = clk_dev_ops(clk->dev);
+
+ debug("%s(clk=%p)\n", __func__, clk);
+
+ if (!ops->free)
+ return 0;
+
+ return ops->free(clk);
+}
+
+ulong clk_get_rate(struct clk *clk)
+{
+ const struct clk_ops *ops = clk_dev_ops(clk->dev);
+
+ debug("%s(clk=%p)\n", __func__, clk);
+
+ if (!ops->get_rate)