Re: [PATCH] gpio: gpio-tps65218: remove platform_set_drvdata() + cleanup probe

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On Sat, May 15, 2021 at 9:55 AM Alexandru Ardelean
<aardelean@xxxxxxxxxxx> wrote:
>
> The platform_set_drvdata() call is only useful if we need to retrieve back
> the private information.
> Since the driver doesn't do that, it's not useful to have it.
>
> If this is removed, we can also just do a direct return on
> devm_gpiochip_add_data(). We don't need to print that this call failed as
> there are other ways to log/see this during probe.
>
> Signed-off-by: Alexandru Ardelean <aardelean@xxxxxxxxxxx>
> ---
>  drivers/gpio/gpio-tps65218.c | 12 +-----------
>  1 file changed, 1 insertion(+), 11 deletions(-)
>
> diff --git a/drivers/gpio/gpio-tps65218.c b/drivers/gpio/gpio-tps65218.c
> index 43a1150055ce..66461ed192d7 100644
> --- a/drivers/gpio/gpio-tps65218.c
> +++ b/drivers/gpio/gpio-tps65218.c
> @@ -187,7 +187,6 @@ static int tps65218_gpio_probe(struct platform_device *pdev)
>  {
>         struct tps65218 *tps65218 = dev_get_drvdata(pdev->dev.parent);
>         struct tps65218_gpio *tps65218_gpio;
> -       int ret;
>
>         tps65218_gpio = devm_kzalloc(&pdev->dev, sizeof(*tps65218_gpio),
>                                      GFP_KERNEL);
> @@ -201,16 +200,7 @@ static int tps65218_gpio_probe(struct platform_device *pdev)
>         tps65218_gpio->gpio_chip.of_node = pdev->dev.of_node;
>  #endif
>
> -       ret = devm_gpiochip_add_data(&pdev->dev, &tps65218_gpio->gpio_chip,
> -                                    tps65218_gpio);
> -       if (ret < 0) {
> -               dev_err(&pdev->dev, "Failed to register gpiochip, %d\n", ret);
> -               return ret;
> -       }
> -
> -       platform_set_drvdata(pdev, tps65218_gpio);
> -
> -       return ret;
> +       return devm_gpiochip_add_data(&pdev->dev, &tps65218_gpio->gpio_chip, tps65218_gpio);
>  }
>
>  static const struct of_device_id tps65218_dt_match[] = {
> --
> 2.31.1
>

Applied, thanks!

Bart



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