[PATCH 7/7] spi: spidev_test: print TX on error

[Jonas Rebmann]

From: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>

If sending an spi message fails, dump it to the console.

Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Jonas Rebmann <jre@xxxxxxxxxxxxxx>
---
 tools/spi/spidev_test.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/spi/spidev_test.c b/tools/spi/spidev_test.c
index a07c05f2d8b8..7f5b314b9e67 100644
--- a/tools/spi/spidev_test.c
+++ b/tools/spi/spidev_test.c
@@ -175,8 +175,11 @@ static void transfer(int fd, uint8_t const * const tx, uint8_t const * const rx,
 	}
 
 	ret = ioctl(fd, SPI_IOC_MESSAGE(effective_transfers), &tr);
-	if (ret < 1)
+	if (ret < 1) {
+		if (tx)
+			hex_dump(tx, len, 32, "TX");
 		pabort("can't send spi message");
+	}
 
 	if (verbose && tx)
 		hex_dump(tx, len, 32, "TX");

-- 
2.55.0.806.gb8242b093d