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-rw-r--r--drivers/spi/spi-loopback-test.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 4d4f77a186a9..dd7de8fa37d0 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -313,6 +313,33 @@ static struct spi_test spi_tests[] = {
},
},
},
+ {
+ .description = "three tx+rx transfers with overlapping cache lines",
+ .fill_option = FILL_COUNT_8,
+ /*
+ * This should be large enough for the controller driver to
+ * choose to transfer it with DMA.
+ */
+ .iterate_len = { 512, -1 },
+ .iterate_transfer_mask = BIT(1),
+ .transfer_count = 3,
+ .transfers = {
+ {
+ .len = 1,
+ .tx_buf = TX(0),
+ .rx_buf = RX(0),
+ },
+ {
+ .tx_buf = TX(1),
+ .rx_buf = RX(1),
+ },
+ {
+ .len = 1,
+ .tx_buf = TX(513),
+ .rx_buf = RX(513),
+ },
+ },
+ },
{ /* end of tests sequence */ }
};