[PATCH 11/16] iio: chemical: scd30: Simplify with dev_err_probe()

From: Krzysztof Kozlowski
Date: Wed Aug 26 2020 - 10:53:36 EST


Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
---
drivers/iio/chemical/scd30_core.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/iio/chemical/scd30_core.c b/drivers/iio/chemical/scd30_core.c
index eac76972f83e..92358797796d 100644
--- a/drivers/iio/chemical/scd30_core.c
+++ b/drivers/iio/chemical/scd30_core.c
@@ -705,13 +705,9 @@ int scd30_probe(struct device *dev, int irq, const char *name, void *priv,
indio_dev->available_scan_masks = scd30_scan_masks;

state->vdd = devm_regulator_get(dev, "vdd");
- if (IS_ERR(state->vdd)) {
- if (PTR_ERR(state->vdd) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
-
- dev_err(dev, "failed to get regulator\n");
- return PTR_ERR(state->vdd);
- }
+ if (IS_ERR(state->vdd))
+ return dev_err_probe(dev, PTR_ERR(state->vdd),
+ "failed to get regulator\n");

ret = regulator_enable(state->vdd);
if (ret)
--
2.17.1