[PATCH 6/8] spi: loopback-test: set HW loopback mode if loopback set

[Frode Isaksen <fisaksen@xxxxxxxxxxxx>]

Set the internal HW loopback mode if the loopback option
is set.

Signed-off-by: Frode Isaksen <fisaksen@xxxxxxxxxxxx>
---
 drivers/spi/spi-loopback-test.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 50e620f..ce552af 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -285,6 +285,11 @@ static int spi_loopback_test_probe(struct spi_device *spi)
 
 	dev_info(&spi->dev, "Executing spi-loopback-tests\n");
 
+	if (loopback) {
+		spi->mode |= SPI_LOOP;
+		ret = spi_setup(spi);
+		dev_info(&spi->dev, "configure loopback return: %i\n", ret);
+	}
 	ret = spi_test_run_tests(spi, spi_tests);
 
 	dev_info(&spi->dev, "Finished spi-loopback-tests with return: %i\n",
-- 
2.7.4

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