Re: [PATCH 24/24] Input: sx8643 - Simplify with dev_err_probe()

Andy Shevchenko
2020-08-27T09:20:21Z

On Wed, Aug 26, 2020 at 9:21 PM Krzysztof Kozlowski <krzk@kernel.org> wrote:
>
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe(). Less code and also it prints the error value.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

Just in case if you want to save more LOCs, you may in some drivers
introduce temporary variable for device pointer, like

struct device *dev = &client->dev;

> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
> drivers/input/touchscreen/sx8654.c | 10 +++-------
> 1 file changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/input/touchscreen/sx8654.c b/drivers/input/touchscreen/sx8654.c
> index de85e57b2486..d2ed9be64c3a 100644
> --- a/drivers/input/touchscreen/sx8654.c
> +++ b/drivers/input/touchscreen/sx8654.c
> @@ -323,13 +323,9 @@ static int sx8654_probe(struct i2c_client *client,
>
> sx8654->gpio_reset = devm_gpiod_get_optional(&client->dev, "reset",
> GPIOD_OUT_HIGH);
> - if (IS_ERR(sx8654->gpio_reset)) {
> - error = PTR_ERR(sx8654->gpio_reset);
> - if (error != -EPROBE_DEFER)
> - dev_err(&client->dev, "unable to get reset-gpio: %d\n",
> - error);
> - return error;
> - }
> + if (IS_ERR(sx8654->gpio_reset))
> + return dev_err_probe(&client->dev, PTR_ERR(sx8654->gpio_reset),
> + "unable to get reset-gpio\n");
> dev_dbg(&client->dev, "got GPIO reset pin\n");
>
> sx8654->data = device_get_match_data(&client->dev);
> --
> 2.17.1
>

--
With Best Regards,
Andy Shevchenko