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

From: Bartosz Golaszewski
Date: Fri May 21 2021 - 09:29:15 EST


On Fri, May 14, 2021 at 10:55 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-visconti.c | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/drivers/gpio/gpio-visconti.c b/drivers/gpio/gpio-visconti.c
> index 0e3d19828eb1..47455810bdb9 100644
> --- a/drivers/gpio/gpio-visconti.c
> +++ b/drivers/gpio/gpio-visconti.c
> @@ -187,15 +187,7 @@ static int visconti_gpio_probe(struct platform_device *pdev)
> girq->default_type = IRQ_TYPE_NONE;
> girq->handler = handle_level_irq;
>
> - ret = devm_gpiochip_add_data(dev, &priv->gpio_chip, priv);
> - if (ret) {
> - dev_err(dev, "failed to add GPIO chip\n");
> - return ret;
> - }
> -
> - platform_set_drvdata(pdev, priv);
> -
> - return ret;
> + return devm_gpiochip_add_data(dev, &priv->gpio_chip, priv);
> }
>
> static const struct of_device_id visconti_gpio_of_match[] = {
> --
> 2.31.1
>

Applied, thanks!

Bartosz