Re: [PATCH] drivers: iio: Drop unnecessary explicit casting

[Joe Perches]

On Wed, 2020-03-18 at 15:37 +0530, Nishant Malpani wrote:
> Provide correct specifiers while printing error logs to discard the use
> of unnecessary explicit casting.
[]
> diff --git a/drivers/iio/accel/kxsd9-i2c.c b/drivers/iio/accel/kxsd9-i2c.c
[]
> @@ -21,8 +21,8 @@ static int kxsd9_i2c_probe(struct i2c_client *i2c,
>  
>  	regmap = devm_regmap_init_i2c(i2c, &config);
>  	if (IS_ERR(regmap)) {
> -		dev_err(&i2c->dev, "Failed to register i2c regmap %d\n",
> -			(int)PTR_ERR(regmap));
> +		dev_err(&i2c->dev, "Failed to register i2c regmap %ld\n",
> +			PTR_ERR(regmap));

Another option would be to use %pe to print the error identifier
and not the error number

etc...