[PATCH v2 04/18] iio: adc: exynos_adc: Simplify with dev_err_probe()

Krzysztof Kozlowski
2020-08-27T19:27:52Z

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@kernel.org>

---

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

diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
index 7d23b6c33284..40585a96c848 100644
--- a/drivers/iio/adc/exynos_adc.c
+++ b/drivers/iio/adc/exynos_adc.c
@@ -844,13 +844,8 @@ static int exynos_adc_probe(struct platform_device *pdev)
}

info->vdd = devm_regulator_get(&pdev->dev, "vdd");
- if (IS_ERR(info->vdd)) {
- if (PTR_ERR(info->vdd) != -EPROBE_DEFER)
- dev_err(&pdev->dev,
- "failed getting regulator, err = %ld\n",
- PTR_ERR(info->vdd));
- return PTR_ERR(info->vdd);
- }
+ if (IS_ERR(info->vdd))
+ return dev_err_probe(&pdev->dev, PTR_ERR(info->vdd), "failed getting regulator");

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