[PATCH v2 05/13] iio: gyro: bmg160_spi: Use vsprintf extension %pe for symbolic error name

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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@xxxxxxxxx>
---

Changes in v2:
  - Rewrite commit subject line outlining the usage of %pe.
  - Add a separator between regmap and its error name.

Based on conversations in [1] & [2].

[1] https://marc.info/?l=linux-iio&m=158427554607223&w=2
[2] https://marc.info/?l=linux-iio&m=158481647605891&w=2
---
 drivers/iio/gyro/bmg160_spi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/gyro/bmg160_spi.c b/drivers/iio/gyro/bmg160_spi.c
index 182a59c42507..6f82bbe0ae92 100644
--- a/drivers/iio/gyro/bmg160_spi.c
+++ b/drivers/iio/gyro/bmg160_spi.c
@@ -19,8 +19,8 @@ static int bmg160_spi_probe(struct spi_device *spi)
 
 	regmap = devm_regmap_init_spi(spi, &bmg160_regmap_spi_conf);
 	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);
 	}
 
-- 
2.20.1




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