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

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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 <anton.bondarenko.sama@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Anton Bondarenko 2015-12-05 17:56:59 +01:00 committed by Mark Brown
parent 9f6aa42bbb
commit e47b33c076
1 changed files with 1 additions and 0 deletions
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1
drivers/spi/spi-imx.c
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@ -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);