Re: [PATCH 3/4] gpio: dwapb: Use optional-clocks interface for APB ref-clocks

[Linus Walleij]

Hi Sergey,

thanks for your patch!

On Fri, Mar 6, 2020 at 2:25 PM <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx> wrote:

>         /* Optional bus clock */
> -       gpio->clk = devm_clk_get(&pdev->dev, "bus");
> -       if (!IS_ERR(gpio->clk)) {
> -               err = clk_prepare_enable(gpio->clk);
> -               if (err) {
> -                       dev_info(&pdev->dev, "Cannot enable clock\n");
> -                       return err;
> -               }
> +       gpio->clk = devm_clk_get_optional(&pdev->dev, "bus");
> +       if (IS_ERR(gpio->clk)) {
> +               dev_info(&pdev->dev, "Cannot get APB clock\n");

Turn this into dev_err() while you're at it.

> +       err = clk_prepare_enable(gpio->clk);
> +       if (err) {
> +               dev_info(&pdev->dev, "Cannot enable APB clock\n");

Also this.

With those changes:
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij