linux-kernel - Re: [PATCH v3 04/12] gpiolib: remove gpio_set

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Date:   Tue, 7 Feb 2023 13:32:01 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
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        Geert Uytterhoeven <geert@...ux-m68k.org>,
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        Miquel Raynal <miquel.raynal@...tlin.com>,
        linux-gpio@...r.kernel.org, linux-doc@...r.kernel.org,
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        Frank Rowand <frowand.list@...il.com>
Subject: Re: [PATCH v3 04/12] gpiolib: remove gpio_set_debounce

On Tue, Feb 07, 2023 at 04:29:44PM +0200, Andy Shevchenko wrote:
> @@ -1010,14 +1009,21 @@ static int ads7846_setup_pendown(struct spi_device *spi,
>  		}
>  
>  		ts->gpio_pendown = pdata->gpio_pendown;
> -
> -		if (pdata->gpio_pendown_debounce)
> -			gpio_set_debounce(pdata->gpio_pendown,
> -					  pdata->gpio_pendown_debounce);

Can we please change only this to:

			gpiod_set_debounce(gpio_to_desc(pdata->gpio_pendown),
					   pdata->gpio_pendown_debounce);

and not change anything else (i.e. drop the changes below)?

>  	} else {
> -		dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
> -		return -EINVAL;
> +		struct gpio_desc *desc;
> +
> +		desc = devm_gpiod_get(&spi->dev, "pendown", GPIOD_IN);
> +		if (IS_ERR(desc)) {
> +			dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
> +			return PTR_ERR(desc);
> +		}
> +		gpiod_set_consumer_name(desc, "ads7846_pendown");
> +
> +		ts->gpio_pendown = desc_to_gpio(desc);
>  	}
> +	if (pdata->gpio_pendown_debounce)
> +		gpiod_set_debounce(gpio_to_desc(ts->gpio_pendown),
> +				   pdata->gpio_pendown_debounce);
>  
>  	return 0;

Thanks.

-- 
Dmitry