Commit e47b33c0 authored by Anton Bondarenko's avatar Anton Bondarenko Committed by Mark Brown
Browse files

spi: imx: terminate RX DMA transaction in case of TX DMA timeout 



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: default avatarAnton Bondarenko <anton.bondarenko.sama@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 9f6aa42b

drivers/spi/spi-imx.c

+1 −0
Original line number Diff line number Diff line
@@ -968,6 +968,7 @@ 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);