diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/broadcom/cygnus/spi.c | 1 | ||||
| -rw-r--r-- | src/soc/imgtec/pistachio/spi.c | 1 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8173/spi.c | 5 | ||||
| -rw-r--r-- | src/soc/qualcomm/ipq40xx/spi.c | 5 |
4 files changed, 8 insertions, 4 deletions
diff --git a/src/soc/broadcom/cygnus/spi.c b/src/soc/broadcom/cygnus/spi.c index 37d7c2a1de..65c9c9698d 100644 --- a/src/soc/broadcom/cygnus/spi.c +++ b/src/soc/broadcom/cygnus/spi.c @@ -313,7 +313,6 @@ 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 = 65535, }; diff --git a/src/soc/imgtec/pistachio/spi.c b/src/soc/imgtec/pistachio/spi.c index 7e1a7a67f5..6fb35089d6 100644 --- a/src/soc/imgtec/pistachio/spi.c +++ b/src/soc/imgtec/pistachio/spi.c @@ -572,7 +572,6 @@ 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 = IMGTEC_SPI_MAX_TRANSFER_SIZE, }; diff --git a/src/soc/mediatek/mt8173/spi.c b/src/soc/mediatek/mt8173/spi.c index ae6dc3b911..f70f4d991e 100644 --- a/src/soc/mediatek/mt8173/spi.c +++ b/src/soc/mediatek/mt8173/spi.c @@ -253,6 +253,10 @@ static int spi_ctrlr_xfer(const struct spi_slave *slave, const void *dout, size_t min_size = 0; int ret; + /* Driver implementation does not support full duplex. */ + if (bytes_in && bytes_out) + return -1; + while (bytes_out || bytes_in) { if (bytes_in && bytes_out) min_size = MIN(MIN(bytes_out, bytes_in), MTK_FIFO_DEPTH); @@ -307,7 +311,6 @@ 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 = 65535, }; 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, }; |