[PATCH v6 3/8] iio: light: opt3001: prefer dev_err_probe()

[Joshua Crofts <joshua.crofts1@gmail.com>]

Switch driver to use dev_err_probe() to unify error messages generated
in *_probe() and probe path functions.

Reviewed-by: Maxwell Doose <m32285159@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Joshua Crofts <joshua.crofts1@gmail.com>
---
 drivers/iio/light/opt3001.c | 57 ++++++++++++++++++---------------------------
 1 file changed, 23 insertions(+), 34 deletions(-)

diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c
index 28455d887e1d..c1062ace184c 100644
--- a/drivers/iio/light/opt3001.c
+++ b/drivers/iio/light/opt3001.c
@@ -698,21 +698,17 @@ static int opt3001_read_id(struct opt3001 *opt)
 	int ret;
 
 	ret = i2c_smbus_read_word_swapped(client, OPT3001_MANUFACTURER_ID);
-	if (ret < 0) {
-		dev_err(dev, "failed to read register %02x\n",
-				OPT3001_MANUFACTURER_ID);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "failed to read register %02x\n",
+				     OPT3001_MANUFACTURER_ID);
 
 	manufacturer[0] = ret >> 8;
 	manufacturer[1] = ret & 0xff;
 
 	ret = i2c_smbus_read_word_swapped(client, OPT3001_DEVICE_ID);
-	if (ret < 0) {
-		dev_err(dev, "failed to read register %02x\n",
-			OPT3001_DEVICE_ID);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "failed to read register %02x\n",
+				     OPT3001_DEVICE_ID);
 
 	device_id = ret;
 
@@ -730,11 +726,9 @@ static int opt3001_configure(struct opt3001 *opt)
 	u16 reg;
 
 	ret = i2c_smbus_read_word_swapped(client, OPT3001_CONFIGURATION);
-	if (ret < 0) {
-		dev_err(dev, "failed to read register %02x\n",
-				OPT3001_CONFIGURATION);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "failed to read register %02x\n",
+				     OPT3001_CONFIGURATION);
 
 	reg = ret;
 
@@ -758,28 +752,22 @@ static int opt3001_configure(struct opt3001 *opt)
 	reg &= ~OPT3001_CONFIGURATION_FC_MASK;
 
 	ret = i2c_smbus_write_word_swapped(client, OPT3001_CONFIGURATION, reg);
-	if (ret < 0) {
-		dev_err(dev, "failed to write register %02x\n",
-				OPT3001_CONFIGURATION);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "failed to write register %02x\n",
+				     OPT3001_CONFIGURATION);
 
 	ret = i2c_smbus_read_word_swapped(client, OPT3001_LOW_LIMIT);
-	if (ret < 0) {
-		dev_err(dev, "failed to read register %02x\n",
-				OPT3001_LOW_LIMIT);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "failed to read register %02x\n",
+				     OPT3001_LOW_LIMIT);
 
 	opt->low_thresh_mantissa = OPT3001_REG_MANTISSA(ret);
 	opt->low_thresh_exp = OPT3001_REG_EXPONENT(ret);
 
 	ret = i2c_smbus_read_word_swapped(client, OPT3001_HIGH_LIMIT);
-	if (ret < 0) {
-		dev_err(dev, "failed to read register %02x\n",
-				OPT3001_HIGH_LIMIT);
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(dev, ret, "failed to read register %02x\n",
+				     OPT3001_HIGH_LIMIT);
 
 	opt->high_thresh_mantissa = OPT3001_REG_MANTISSA(ret);
 	opt->high_thresh_exp = OPT3001_REG_EXPONENT(ret);
@@ -886,10 +874,11 @@ static int opt3001_probe(struct i2c_client *client)
 		ret = request_threaded_irq(irq, NULL, opt3001_irq,
 				IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
 				"opt3001", iio);
-		if (ret) {
-			dev_err(dev, "failed to request IRQ #%d\n", irq);
-			return ret;
-		}
+		if (ret)
+			return dev_err_probe(dev, ret,
+					     "failed to request IRQ #%d\n",
+					     irq);
+
 		opt->use_irq = true;
 	} else {
 		dev_dbg(dev, "enabling interrupt-less operation\n");

-- 
2.54.0