diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index 9234f14167b7..1cfefb3b5e56 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -198,7 +198,7 @@ static int stm32_dfsdm_compute_osrs(struct stm32_dfsdm_filter *fl,
 	unsigned int p = fl->ford;	/* filter order (ford) */
 	struct stm32_dfsdm_filter_osr *flo = &fl->flo[fast];
 
-	pr_debug("%s: Requested oversampling: %d\n",  __func__, oversamp);
+	pr_debug("Requested oversampling: %d\n", oversamp);
 	/*
 	 * This function tries to compute filter oversampling and integrator
 	 * oversampling, base on oversampling ratio requested by user.
@@ -295,8 +295,8 @@ static int stm32_dfsdm_compute_osrs(struct stm32_dfsdm_filter *fl,
 				flo->max = (s32)max;
 				flo->bits = bits;
 
-				pr_debug("%s: fast %d, fosr %d, iosr %d, res 0x%llx/%d bits, rshift %d, lshift %d\n",
-					 __func__, fast, flo->fosr, flo->iosr,
+				pr_debug("fast %d, fosr %d, iosr %d, res 0x%llx/%d bits, rshift %d, lshift %d\n",
+					 fast, flo->fosr, flo->iosr,
 					 flo->res, bits, flo->rshift,
 					 flo->lshift);
 			}
@@ -864,7 +864,7 @@ static void stm32_dfsdm_dma_buffer_done(void *data)
 	 * support in IIO.
 	 */
 
-	dev_dbg(&indio_dev->dev, "%s: pos = %d, available = %d\n", __func__,
+	dev_dbg(&indio_dev->dev, "pos = %d, available = %d\n",
 		adc->bufi, available);
 	old_pos = adc->bufi;
 
@@ -918,7 +918,7 @@ static int stm32_dfsdm_adc_dma_start(struct iio_dev *indio_dev)
 	if (!adc->dma_chan)
 		return -EINVAL;
 
-	dev_dbg(&indio_dev->dev, "%s size=%d watermark=%d\n", __func__,
+	dev_dbg(&indio_dev->dev, "size=%d watermark=%d\n",
 		adc->buf_sz, adc->buf_sz / 2);
 
 	if (adc->nconv == 1 && !indio_dev->trig)