[PATCH v3 11/18] iio: chemical: scd30: Simplify with dev_err_probe()

From: Krzysztof Kozlowski
Date: Sat Aug 29 2020 - 02:48:46 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>
Acked-by: Tomasz Duszynski <tomasz.duszynski@xxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

---

Changes since v1:
1. Wrap dev_err_probe() lines at 100 character
2. Add Ack
---
drivers/iio/chemical/scd30_core.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/iio/chemical/scd30_core.c b/drivers/iio/chemical/scd30_core.c
index eac76972f83e..4d0d798c7cd3 100644
--- a/drivers/iio/chemical/scd30_core.c
+++ b/drivers/iio/chemical/scd30_core.c
@@ -705,13 +705,8 @@ 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