+ err = 0;
+ priv->clock_count = 0;
+ clock_nb = dev_count_phandle_with_args(dev, "clocks", "#clock-cells");
+ if (clock_nb > 0) {
+ priv->clocks = devm_kcalloc(dev, clock_nb, sizeof(struct clk),
+ GFP_KERNEL);
+ if (!priv->clocks)
+ return -ENOMEM;
+
+ for (i = 0; i < clock_nb; i++) {
+ err = clk_get_by_index(dev, i, &priv->clocks[i]);
+ if (err < 0)
+ break;
+
+ err = clk_enable(&priv->clocks[i]);
+ if (err) {
+ error("failed to enable clock %d\n", i);
+ clk_free(&priv->clocks[i]);
+ goto clk_err;
+ }
+ priv->clock_count++;
+ }
+ } else if (clock_nb != -ENOENT) {
+ error("failed to get clock phandle(%d)\n", clock_nb);
+ return clock_nb;
+ }
+
+ err = ohci_register(dev, regs);
+ if (err)
+ goto clk_err;
+
+ return 0;
+
+clk_err:
+ ret = clk_release_all(priv->clocks, priv->clock_count);
+ if (ret)
+ error("failed to disable all clocks\n");
+
+ return err;