diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c
index 0cf0d81358fd..bf51d619ebbc 100644
--- a/drivers/iio/adc/adi-axi-adc.c
+++ b/drivers/iio/adc/adi-axi-adc.c
@@ -85,6 +85,7 @@ static int axi_adc_enable(struct iio_backend *back)
 	struct adi_axi_adc_state *st = iio_backend_get_priv(back);
 	int ret;
 
+	guard(mutex)(&st->lock);
 	ret = regmap_set_bits(st->regmap, ADI_AXI_REG_RSTN,
 			      ADI_AXI_REG_RSTN_MMCM_RSTN);
 	if (ret)
@@ -99,6 +100,7 @@ static void axi_adc_disable(struct iio_backend *back)
 {
 	struct adi_axi_adc_state *st = iio_backend_get_priv(back);
 
+	guard(mutex)(&st->lock);
 	regmap_write(st->regmap, ADI_AXI_REG_RSTN, 0);
 }