diff options
Diffstat (limited to 'drivers/spi/spi-loopback-test.c')
| -rw-r--r-- | drivers/spi/spi-loopback-test.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c index 81fa9068df43..7f79a77c4b68 100644 --- a/drivers/spi/spi-loopback-test.c +++ b/drivers/spi/spi-loopback-test.c @@ -489,7 +489,18 @@ static int spi_test_check_loopback_result(struct spi_device *spi, struct spi_transfer *xfer; u8 rxb, txb; size_t i; + int ret; + + /* checks rx_buffer pattern are valid with loopback or without */ + ret = spi_check_rx_ranges(spi, msg, rx); + if (ret) + return ret; + /* if we run without loopback, then return now */ + if (!loopback) + return 0; + + /* if applicable to transfer check that rx_buf is equal to tx_buf */ list_for_each_entry(xfer, &msg->transfers, transfer_list) { /* if there is no rx, then no check is needed */ if (!xfer->rx_buf) @@ -521,7 +532,7 @@ static int spi_test_check_loopback_result(struct spi_device *spi, } } - return spi_check_rx_ranges(spi, msg, rx); + return 0; mismatch_error: dev_err(&spi->dev, @@ -847,10 +858,8 @@ int spi_test_execute_msg(struct spi_device *spi, struct spi_test *test, goto exit; } - /* run rx-tests when in loopback mode */ - if (loopback) - ret = spi_test_check_loopback_result(spi, msg, - tx, rx); + /* run rx-buffer tests */ + ret = spi_test_check_loopback_result(spi, msg, tx, rx); } /* if requested or on error dump message (including data) */ |