diff --git a/drivers/interrupt_controller/intc_gicv3_its.c b/drivers/interrupt_controller/intc_gicv3_its.c
index 259a83781d4..9939a0cf245 100644
--- a/drivers/interrupt_controller/intc_gicv3_its.c
+++ b/drivers/interrupt_controller/intc_gicv3_its.c
@@ -337,7 +337,11 @@ static int its_post_command(struct gicv3_its_data *data, struct its_cmd_block *c
 				rd_idx, idx, wr_idx);
 			return -ETIMEDOUT;
 		}
-		k_usleep(1);
+		if (k_is_pre_kernel()) {
+			k_busy_wait(1);
+		} else {
+			k_usleep(1);
+		}
 	}
 
 	return 0;