Re: [PATCH 3/4] Input: adp5588-keys - switch to using managed resources

From: Uwe Kleine-König
Date: Sat May 28 2022 - 16:00:45 EST


On Fri, May 27, 2022 at 09:56:30PM -0700, Dmitry Torokhov wrote:
> This simplifies error handling in probe() and reduces amount of explicit
> code in remove().
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> ---
> drivers/input/keyboard/adp5588-keys.c | 111 +++++++++++---------------
> 1 file changed, 45 insertions(+), 66 deletions(-)
>
> diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
> index ac21873ba1d7..df84a2998ed2 100644
> --- a/drivers/input/keyboard/adp5588-keys.c
> +++ b/drivers/input/keyboard/adp5588-keys.c
> @@ -182,6 +182,21 @@ static int adp5588_build_gpiomap(struct adp5588_kpad *kpad,
> return n_unused;
> }
>
> +static void adp5588_gpio_do_teardown(void *_kpad)
> +{
> + struct adp5588_kpad *kpad = _kpad;
> + struct device *dev = &kpad->client->dev;
> + const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev);
> + const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
> + int error;
> +
> + error = gpio_data->teardown(kpad->client,
> + kpad->gc.base, kpad->gc.ngpio,
> + gpio_data->context);
> + if (error)
> + dev_warn(&kpad->client->dev, "teardown failed %d\n", error);
> +}

I think the more sensible approach is to drop support for setup and
teardown. Maybe even rip all usage of adp5588_gpio_platform_data.

Best regards
Uwe

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |

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