Re: [PATCH] gpio: gpio-da9052: remove platform_set_drvdata() + cleanup probe

From: Bartosz Golaszewski
Date: Sun May 23 2021 - 14:32:43 EST


On Fri, May 21, 2021 at 8:14 PM 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-da9052.c | 11 +----------
> 1 file changed, 1 insertion(+), 10 deletions(-)
>
> diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c
> index 9aa59afdcbbf..559188d80c2b 100644
> --- a/drivers/gpio/gpio-da9052.c
> +++ b/drivers/gpio/gpio-da9052.c
> @@ -196,7 +196,6 @@ static int da9052_gpio_probe(struct platform_device *pdev)
> {
> struct da9052_gpio *gpio;
> struct da9052_pdata *pdata;
> - int ret;
>
> gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);
> if (!gpio)
> @@ -209,15 +208,7 @@ static int da9052_gpio_probe(struct platform_device *pdev)
> if (pdata && pdata->gpio_base)
> gpio->gp.base = pdata->gpio_base;
>
> - ret = devm_gpiochip_add_data(&pdev->dev, &gpio->gp, gpio);
> - if (ret < 0) {
> - dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
> - return ret;
> - }
> -
> - platform_set_drvdata(pdev, gpio);
> -
> - return 0;
> + return devm_gpiochip_add_data(&pdev->dev, &gpio->gp, gpio);
> }
>
> static struct platform_driver da9052_gpio_driver = {
> --
> 2.31.1
>

Applied, thanks!

Bart