[PATCH v3 09/18] iio: afe: iio-rescale: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

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>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

---

Changes since v2:
1. Wrap dev_err_probe() lines at 80 character

Changes since v1:
1. Wrap dev_err_probe() lines at 100 character
---
 drivers/iio/afe/iio-rescale.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c
index 69c0f277ada0..e42ea2b1707d 100644
--- a/drivers/iio/afe/iio-rescale.c
+++ b/drivers/iio/afe/iio-rescale.c
@@ -276,11 +276,9 @@ static int rescale_probe(struct platform_device *pdev)
 	int ret;
 
 	source = devm_iio_channel_get(dev, NULL);
-	if (IS_ERR(source)) {
-		if (PTR_ERR(source) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get source channel\n");
-		return PTR_ERR(source);
-	}
+	if (IS_ERR(source))
+		return dev_err_probe(dev, PTR_ERR(source),
+				     "failed to get source channel\n");
 
 	sizeof_ext_info = iio_get_channel_ext_info_count(source);
 	if (sizeof_ext_info) {
-- 
2.17.1