iio: adc: meson_saradc: 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>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20200829064726.26268-6-krzk@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index 93c2252..a9d06e8 100644 (file)
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -719,11 +719,8 @@ static int meson_sar_adc_temp_sensor_init(struct iio_dev *indio_dev)
                if (ret == -ENODEV)
                        return 0;
 
-               if (ret != -EPROBE_DEFER)
-                       dev_err(indio_dev->dev.parent,
-                               "failed to get temperature_calib cell\n");
-
-               return ret;
+               return dev_err_probe(indio_dev->dev.parent, ret,
+                                    "failed to get temperature_calib cell\n");
        }
 
        priv->tsc_regmap =