diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-rspi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index b7f8be81423b..bec81470dd9c 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -642,6 +642,9 @@ static int qspi_transfer_out_in(struct rspi_data *rspi, qspi_receive_init(rspi); + if (rspi->master->can_dma && __rspi_can_dma(rspi, xfer)) + return rspi_dma_transfer(rspi, &xfer->tx_sg, &xfer->rx_sg); + ret = rspi_pio_transfer(rspi, xfer->tx_buf, xfer->rx_buf, xfer->len); if (ret < 0) return ret; @@ -656,6 +659,9 @@ static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer) { int ret; + if (rspi->master->can_dma && __rspi_can_dma(rspi, xfer)) + return rspi_dma_transfer(rspi, &xfer->tx_sg, NULL); + ret = rspi_pio_transfer(rspi, xfer->tx_buf, NULL, xfer->len); if (ret < 0) return ret; @@ -668,6 +674,9 @@ static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer) static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer) { + if (rspi->master->can_dma && __rspi_can_dma(rspi, xfer)) + return rspi_dma_transfer(rspi, NULL, &xfer->rx_sg); + return rspi_pio_transfer(rspi, NULL, xfer->rx_buf, xfer->len); } |