diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/qca_spi.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/qca_spi.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index 74646286fd0f..50adc4f626e3 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -192,6 +192,30 @@ qcaspi_read_legacy(struct qcaspi *qca, u8 *dst, u32 len) } static int +qcaspi_tx_cmd(struct qcaspi *qca, u16 cmd) +{ + __be16 tx_data; + struct spi_message *msg = &qca->spi_msg1; + struct spi_transfer *transfer = &qca->spi_xfer1; + int ret; + + tx_data = cpu_to_be16(cmd); + transfer->len = sizeof(tx_data); + transfer->tx_buf = &tx_data; + transfer->rx_buf = NULL; + + ret = spi_sync(qca->spi_dev, msg); + + if (!ret) + ret = msg->status; + + if (ret) + qcaspi_spi_error(qca); + + return ret; +} + +static int qcaspi_tx_frame(struct qcaspi *qca, struct sk_buff *skb) { u32 count; |