Not only TX DMA should be terminated, but RX DMA also. It's required to avoid accidential DMA memory writes from RX DMA channel and properly terminate transaction.
Signed-off-by: Anton Bondarenko <[email protected]> --- drivers/spi/spi-imx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 0e5723a..fb3bcc4 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -958,6 +958,7 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx, dev_driver_string(&master->dev), dev_name(&master->dev)); dmaengine_terminate_all(master->dma_tx); + dmaengine_terminate_all(master->dma_rx); } else { timeout = wait_for_completion_timeout( &spi_imx->dma_rx_completion, IMX_DMA_TIMEOUT); -- 2.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
