[PATCH] iio: adc: cpcap-adc: remove redundant assignment to variable cal_data_diff

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The variable cal_data_diff is being assigned a value that is never read,
it is being re-assigned later on with a new value in both paths of an
if statement. The assignment is redundant, so remove it.

Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
 drivers/iio/adc/cpcap-adc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/cpcap-adc.c b/drivers/iio/adc/cpcap-adc.c
index 40e59f4c95bc..b6c4ef70484e 100644
--- a/drivers/iio/adc/cpcap-adc.c
+++ b/drivers/iio/adc/cpcap-adc.c
@@ -474,7 +474,7 @@ static int cpcap_adc_calibrate_one(struct cpcap_adc *ddata,
 	for (i = 0; i < CPCAP_ADC_MAX_RETRIES; i++) {
 		calibration_data[0]  = 0;
 		calibration_data[1]  = 0;
-		cal_data_diff = 0;
+
 		cpcap_adc_setup_calibrate(ddata, channel);
 		error = regmap_read(ddata->reg, calibration_register,
 				    &calibration_data[0]);
-- 
2.34.1




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