diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 69a9df2..4d4f77a 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -298,12 +298,18 @@
 			{
 				.tx_buf = TX(0),
 				.rx_buf = RX(0),
-				.delay_usecs = 1000,
+				.delay = {
+					.value = 1000,
+					.unit = SPI_DELAY_UNIT_USECS,
+				},
 			},
 			{
 				.tx_buf = TX(0),
 				.rx_buf = RX(0),
-				.delay_usecs = 1000,
+				.delay = {
+					.value = 1000,
+					.unit = SPI_DELAY_UNIT_USECS,
+				},
 			},
 		},
 	},
@@ -448,7 +454,8 @@
 	u8 *end;
 };
 
-static int rx_ranges_cmp(void *priv, struct list_head *a, struct list_head *b)
+static int rx_ranges_cmp(void *priv, const struct list_head *a,
+			 const struct list_head *b)
 {
 	struct rx_ranges *rx_a = list_entry(a, struct rx_ranges, list);
 	struct rx_ranges *rx_b = list_entry(b, struct rx_ranges, list);
@@ -537,7 +544,7 @@
 		unsigned long long nbits = (unsigned long long)BITS_PER_BYTE *
 					   xfer->len;
 
-		delay_usecs += xfer->delay_usecs;
+		delay_usecs += xfer->delay.value;
 		if (!xfer->speed_hz)
 			continue;
 		estimated_time += div_u64(nbits * NSEC_PER_SEC, xfer->speed_hz);
@@ -879,10 +886,10 @@
 /**
  * spi_test_execute_msg - default implementation to run a test
  *
- * spi: @spi_device on which to run the @spi_message
- * test: the test to execute, which already contains @msg
- * tx:   the tx buffer allocated for the test sequence
- * rx:   the rx buffer allocated for the test sequence
+ * @spi: @spi_device on which to run the @spi_message
+ * @test: the test to execute, which already contains @msg
+ * @tx:   the tx buffer allocated for the test sequence
+ * @rx:   the rx buffer allocated for the test sequence
  *
  * Returns: error code of spi_sync as well as basic error checking
  */
@@ -951,10 +958,10 @@
  *                     including all the relevant iterations on:
  *                     length and buffer alignment
  *
- * spi:  the spi_device to send the messages to
- * test: the test which we need to execute
- * tx:   the tx buffer allocated for the test sequence
- * rx:   the rx buffer allocated for the test sequence
+ * @spi:  the spi_device to send the messages to
+ * @test: the test which we need to execute
+ * @tx:   the tx buffer allocated for the test sequence
+ * @rx:   the rx buffer allocated for the test sequence
  *
  * Returns: status code of spi_sync or other failures
  */