iio: magn: bmc150: Use vsprintf extension %pe for symbolic error name

Utilize %pe format specifier from vsprintf while printing error logs
with dev_err(). Discards the use of unnecessary explicit casting and
prints symbolic error name which might prove to be convenient during
debugging.

Signed-off-by: Nishant Malpani <nish.malpani25@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/magnetometer/bmc150_magn_spi.c b/drivers/iio/magnetometer/bmc150_magn_spi.c
index ed9be04..c6ed3ea 100644 (file)
--- a/drivers/iio/magnetometer/bmc150_magn_spi.c
+++ b/drivers/iio/magnetometer/bmc150_magn_spi.c
@@ -22,8 +22,8 @@ static int bmc150_magn_spi_probe(struct spi_device *spi)
 
        regmap = devm_regmap_init_spi(spi, &bmc150_magn_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: %pe\n",
+                       regmap);
                return PTR_ERR(regmap);
        }
        return bmc150_magn_probe(&spi->dev, regmap, spi->irq, id->name);