iio: imu: inv_mpu6050: 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>
Reviewed-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Link: https://lore.kernel.org/r/20200829064726.26268-13-krzk@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 3fee394..18a1898 100644 (file)
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -1475,22 +1475,14 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
        }
 
        st->vdd_supply = devm_regulator_get(dev, "vdd");
-       if (IS_ERR(st->vdd_supply)) {
-               if (PTR_ERR(st->vdd_supply) != -EPROBE_DEFER)
-                       dev_err(dev, "Failed to get vdd regulator %d\n",
-                               (int)PTR_ERR(st->vdd_supply));
-
-               return PTR_ERR(st->vdd_supply);
-       }
+       if (IS_ERR(st->vdd_supply))
+               return dev_err_probe(dev, PTR_ERR(st->vdd_supply),
+                                    "Failed to get vdd regulator\n");
 
        st->vddio_supply = devm_regulator_get(dev, "vddio");
-       if (IS_ERR(st->vddio_supply)) {
-               if (PTR_ERR(st->vddio_supply) != -EPROBE_DEFER)
-                       dev_err(dev, "Failed to get vddio regulator %d\n",
-                               (int)PTR_ERR(st->vddio_supply));
-
-               return PTR_ERR(st->vddio_supply);
-       }
+       if (IS_ERR(st->vddio_supply))
+               return dev_err_probe(dev, PTR_ERR(st->vddio_supply),
+                                    "Failed to get vddio regulator\n");
 
        result = regulator_enable(st->vdd_supply);
        if (result) {