diff options
| -rw-r--r-- | drivers/spi/spi-cadence.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index b0ccb138e356..ff02d8104131 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -438,14 +438,15 @@ static int cdns_transfer_one(struct spi_controller *ctlr, xspi->tx_bytes = transfer->len; xspi->rx_bytes = transfer->len; - if (!spi_controller_is_slave(ctlr)) + if (!spi_controller_is_slave(ctlr)) { cdns_spi_setup_transfer(spi, transfer); - - /* Set TX empty threshold to half of FIFO depth - * only if TX bytes are more than half FIFO depth. - */ - if (xspi->tx_bytes > xspi->tx_fifo_depth) - cdns_spi_write(xspi, CDNS_SPI_THLD, xspi->tx_fifo_depth >> 1); + } else { + /* Set TX empty threshold to half of FIFO depth + * only if TX bytes are more than half FIFO depth. + */ + if (xspi->tx_bytes > xspi->tx_fifo_depth) + cdns_spi_write(xspi, CDNS_SPI_THLD, xspi->tx_fifo_depth >> 1); + } cdns_spi_fill_tx_fifo(xspi, xspi->tx_fifo_depth); spi_transfer_delay_exec(transfer); |