iio: amplifiers: hmc425a: Simplify with dev_err_probe()

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>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200829064726.26268-10-krzk@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/amplifiers/hmc425a.c b/drivers/iio/amplifiers/hmc425a.c
index 582708924e4fc67465bb9917b06774f33dde10a3..9efa692151f0f3b3e9bb3aad3096aac369feb009 100644 (file)
--- a/drivers/iio/amplifiers/hmc425a.c
+++ b/drivers/iio/amplifiers/hmc425a.c
@@ -201,12 +201,9 @@ static int hmc425a_probe(struct platform_device *pdev)
        st->gain = st->chip_info->default_gain;
 
        st->gpios = devm_gpiod_get_array(&pdev->dev, "ctrl", GPIOD_OUT_LOW);
-       if (IS_ERR(st->gpios)) {
-               ret = PTR_ERR(st->gpios);
-               if (ret != -EPROBE_DEFER)
-                       dev_err(&pdev->dev, "failed to get gpios\n");
-               return ret;
-       }
+       if (IS_ERR(st->gpios))
+               return dev_err_probe(&pdev->dev, PTR_ERR(st->gpios),
+                                    "failed to get gpios\n");
 
        if (st->gpios->ndescs != st->chip_info->num_gpios) {
                dev_err(&pdev->dev, "%d GPIOs needed to operate\n",