diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c index 4d4f77a186a98a3a34f56f70e3b7d20d1d316860..dd7de8fa37d0477d1a0072ba5e88168d5f2f601a 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 */ } };