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 <k...@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevche...@gmail.com>

---

Changes since v2:
1. Wrap dev_err_probe() lines at 80 character
---
 drivers/iio/multiplexer/iio-mux.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/multiplexer/iio-mux.c 
b/drivers/iio/multiplexer/iio-mux.c
index 6910218fdb00..d54ae5cbe51b 100644
--- a/drivers/iio/multiplexer/iio-mux.c
+++ b/drivers/iio/multiplexer/iio-mux.c
@@ -354,11 +354,9 @@ static int mux_probe(struct platform_device *pdev)
                return -ENODEV;
 
        parent = devm_iio_channel_get(dev, "parent");
-       if (IS_ERR(parent)) {
-               if (PTR_ERR(parent) != -EPROBE_DEFER)
-                       dev_err(dev, "failed to get parent channel\n");
-               return PTR_ERR(parent);
-       }
+       if (IS_ERR(parent))
+               return dev_err_probe(dev, PTR_ERR(parent),
+                                    "failed to get parent channel\n");
 
        sizeof_ext_info = iio_get_channel_ext_info_count(parent);
        if (sizeof_ext_info) {
-- 
2.17.1

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