diff options
Diffstat (limited to 'drivers/spi/spi-geni-qcom.c')
| -rw-r--r-- | drivers/spi/spi-geni-qcom.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index 26ce959d98df..1df9d4844a68 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -1097,6 +1097,12 @@ static int spi_geni_probe(struct platform_device *pdev) if (mas->cur_xfer_mode == GENI_SE_FIFO) spi->set_cs = spi_geni_set_cs; + /* + * TX is required per GSI spec, see setup_gsi_xfer(). + */ + if (mas->cur_xfer_mode == GENI_GPI_DMA) + spi->flags = SPI_CONTROLLER_MUST_TX; + ret = request_irq(mas->irq, geni_spi_isr, 0, dev_name(dev), spi); if (ret) goto spi_geni_release_dma; |