iio: adc: Update debug prints

Change pr_err/pr_debug statements to dev_err/dev_dbg for
increased clarity.
Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/qcom-spmi-adc5.c

@@ -246,11 +246,11 @@ static int adc5_read_voltage_data(struct adc5_chip *adc, u16 *data)
 	*data = (rslt_msb << 8) | rslt_lsb;
 
 	if (*data == ADC5_USR_DATA_CHECK) {
-		pr_err("Invalid data:0x%x\n", *data);
+		dev_err(adc->dev, "Invalid data:0x%x\n", *data);
 		return -EINVAL;
 	}
 
-	pr_debug("voltage raw code:0x%x\n", *data);
+	dev_dbg(adc->dev, "voltage raw code:0x%x\n", *data);
 
 	return 0;
 }
@@ -382,24 +382,24 @@ static int adc5_do_conversion(struct adc5_chip *adc,
 
 	ret = adc5_configure(adc, prop);
 	if (ret) {
-		pr_err("ADC configure failed with %d\n", ret);
+		dev_err(adc->dev, "ADC configure failed with %d\n", ret);
 		goto unlock;
 	}
 
 	if (adc->poll_eoc) {
 		ret = adc5_poll_wait_eoc(adc);
 		if (ret) {
-			pr_err("EOC bit not set\n");
+			dev_err(adc->dev, "EOC bit not set\n");
 			goto unlock;
 		}
 	} else {
 		ret = wait_for_completion_timeout(&adc->complete,
 							ADC5_CONV_TIMEOUT);
 		if (!ret) {
-			pr_debug("Did not get completion timeout.\n");
+			dev_dbg(adc->dev, "Did not get completion timeout.\n");
 			ret = adc5_poll_wait_eoc(adc);
 			if (ret) {
-				pr_err("EOC bit not set\n");
+				dev_err(adc->dev, "EOC bit not set\n");
 				goto unlock;
 			}
 		}
@@ -721,7 +721,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
 	channel_name = of_get_property(node,
 				"label", NULL) ? : node->name;
 	if (!channel_name) {
-		pr_err("Invalid channel name\n");
+		dev_err(dev, "Invalid channel name\n");
 		return -EINVAL;
 	}
 	prop->datasheet_name = channel_name;
@@ -764,7 +764,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
 			return ret;
 		}
 
-		pr_debug("dig_ver:minor:%d, major:%d\n", dig_version[0],
+		dev_dbg(dev, "dig_ver:minor:%d, major:%d\n", dig_version[0],
 						dig_version[1]);
 		/* Digital controller >= 5.3 have hw_settle_2 option */
 		if ((dig_version[0] >= ADC5_HW_SETTLE_DIFF_MINOR &&
@@ -966,7 +966,7 @@ static int adc5_probe(struct platform_device *pdev)
 
 	ret = adc5_get_dt_data(adc, node);
 	if (ret) {
-		pr_err("adc get dt data failed\n");
+		dev_err(dev, "adc get dt data failed\n");
 		return ret;
 	}