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SubjectRe: [PATCH v2] (submitted) input: misc: soc_button_array: use platform_device_register_resndata()
Hi Enrico,

On Tue, Aug 20, 2019 at 02:25:44PM +0200, Enrico Weigelt, metux IT consult wrote:
> From: Enrico Weigelt <info@metux.net>
>
> The registration of gpio-keys device can be written much shorter
> by using the platform_device_register_resndata() helper.
>
> v2:
> * pass &pdev->dev to platform_device_register_resndata()
> * fixed errval on failed platform_device_register_resndata()
>
> Signed-off-by: Enrico Weigelt <info@metux.net>
> ---
> drivers/input/misc/soc_button_array.c | 27 +++++++++++++--------------
> 1 file changed, 13 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
> index 5e59f8e5..27550f9 100644
> --- a/drivers/input/misc/soc_button_array.c
> +++ b/drivers/input/misc/soc_button_array.c
> @@ -110,25 +110,24 @@ static int soc_button_lookup_gpio(struct device *dev, int acpi_index)
> gpio_keys_pdata->nbuttons = n_buttons;
> gpio_keys_pdata->rep = autorepeat;
>
> - pd = platform_device_alloc("gpio-keys", PLATFORM_DEVID_AUTO);
> - if (!pd) {
> - error = -ENOMEM;
> + pd = platform_device_register_resndata(
> + &pdev->dev,
> + "gpio-keys",
> + PLATFORM_DEVID_AUTO,
> + NULL,
> + 0,
> + gpio_keys_pdata,
> + sizeof(*gpio_keys_pdata));
> +
> + error = PTR_ERR_OR_ZERO(pd);
> +
> + if (IS_ERR(pd)) {

I changed this and the PTR_ERR() to simply "error" and applied.

> + dev_err(&pdev->dev, "failed registering gpio-keys: %ld\n", PTR_ERR(pd));
> goto err_free_mem;
> }
>
> - error = platform_device_add_data(pd, gpio_keys_pdata,
> - sizeof(*gpio_keys_pdata));
> - if (error)
> - goto err_free_pdev;
> -
> - error = platform_device_add(pd);
> - if (error)
> - goto err_free_pdev;
> -
> return pd;
>
> -err_free_pdev:
> - platform_device_put(pd);
> err_free_mem:
> devm_kfree(&pdev->dev, gpio_keys_pdata);
> return ERR_PTR(error);
> --
> 1.9.1
>

Thanks.

--
Dmitry

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