diff options
Diffstat (limited to 'src/soc/qualcomm/ipq40xx/spi.c')
| -rw-r--r-- | src/soc/qualcomm/ipq40xx/spi.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/soc/qualcomm/ipq40xx/spi.c b/src/soc/qualcomm/ipq40xx/spi.c index 3dc6022b03..4498b31183 100644 --- a/src/soc/qualcomm/ipq40xx/spi.c +++ b/src/soc/qualcomm/ipq40xx/spi.c @@ -611,6 +611,10 @@ static int spi_ctrlr_xfer(const struct spi_slave *slave, const void *dout, u8 *rxp = (u8 *)din; int ret; + /* Driver implementation does not support full duplex. */ + if (dout && din) + return -1; + ret = config_spi_state(ds, QUP_STATE_RESET); if (ret != SUCCESS) return ret; @@ -687,7 +691,6 @@ static const struct spi_ctrlr spi_ctrlr = { .claim_bus = spi_ctrlr_claim_bus, .release_bus = spi_ctrlr_release_bus, .xfer = spi_ctrlr_xfer, - .xfer_vector = spi_xfer_two_vectors, .max_xfer_size = MAX_PACKET_COUNT, }; |