iio: light: st_uvis25: Drop unneeded casting when print error code

Explicit casting in printf() usually shows that something is not okay.
Here, we really don't need it by providing correct specifier.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/light/st_uvis25_i2c.c

@@ -31,8 +31,8 @@ static int st_uvis25_i2c_probe(struct i2c_client *client,
 
 	regmap = devm_regmap_init_i2c(client, &st_uvis25_i2c_regmap_config);
 	if (IS_ERR(regmap)) {
-		dev_err(&client->dev, "Failed to register i2c regmap %d\n",
-			(int)PTR_ERR(regmap));
+		dev_err(&client->dev, "Failed to register i2c regmap %ld\n",
+			PTR_ERR(regmap));
 		return PTR_ERR(regmap);
 	}
 

drivers/iio/light/st_uvis25_spi.c

@@ -31,8 +31,8 @@ static int st_uvis25_spi_probe(struct spi_device *spi)
 
 	regmap = devm_regmap_init_spi(spi, &st_uvis25_spi_regmap_config);
 	if (IS_ERR(regmap)) {
-		dev_err(&spi->dev, "Failed to register spi regmap %d\n",
-			(int)PTR_ERR(regmap));
+		dev_err(&spi->dev, "Failed to register spi regmap %ld\n",
+			PTR_ERR(regmap));
 		return PTR_ERR(regmap);
 	}