Re: [PATCH] Input: silead - Make use of the helper function dev_err_probe()
From: Hans de Goede
Date: Fri Sep 17 2021 - 14:37:49 EST
Hi,
On 9/16/21 5:34 PM, Cai Huoqing wrote:
> When possible use dev_err_probe help to properly deal with the
> PROBE_DEFER error, the benefit is that DEFER issue will be logged
> in the devices_deferred debugfs file.
> Using dev_err_probe() can reduce code size, and the error value
> gets printed.
>
> Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
Thanks, patch looks good to me:
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Regards,
Hans
> ---
> drivers/input/touchscreen/silead.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c
> index 1ee760bac0cf..adfac271f0b5 100644
> --- a/drivers/input/touchscreen/silead.c
> +++ b/drivers/input/touchscreen/silead.c
> @@ -548,11 +548,9 @@ static int silead_ts_probe(struct i2c_client *client,
>
> /* Power GPIO pin */
> data->gpio_power = devm_gpiod_get_optional(dev, "power", GPIOD_OUT_LOW);
> - if (IS_ERR(data->gpio_power)) {
> - if (PTR_ERR(data->gpio_power) != -EPROBE_DEFER)
> - dev_err(dev, "Shutdown GPIO request failed\n");
> - return PTR_ERR(data->gpio_power);
> - }
> + if (IS_ERR(data->gpio_power))
> + return dev_err_probe(dev, PTR_ERR(data->gpio_power),
> + "Shutdown GPIO request failed\n");
>
> error = silead_ts_setup(client);
> if (error)
>