Use devm_pinctrl_register() for pin control registration.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
                }
        }
 
-       state->pctl = pinctrl_register(&tb10x_pindesc, dev, state);
+       state->pctl = devm_pinctrl_register(dev, &tb10x_pindesc, state);
        if (IS_ERR(state->pctl)) {
                dev_err(dev, "could not register TB10x pin driver\n");
                ret = PTR_ERR(state->pctl);
 {
        struct tb10x_pinctrl *state = platform_get_drvdata(pdev);
 
-       pinctrl_unregister(state->pctl);
        mutex_destroy(&state->mutex);
 
        return 0;