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authorAnton Bondarenko <anton.bondarenko.sama@gmail.com>2015-12-05 17:56:59 +0100
committerMark Brown <broonie@kernel.org>2015-12-07 19:53:35 +0000
commite47b33c0765400d38ebaf57908f00abab2488f74 (patch)
treed4dd4000a017c9b07c82a06183ea8567e9a8771a /drivers/spi/spi-imx.c
parent9f6aa42bbbb23d2115704c5044da951a7e685cc5 (diff)
downloadlinux-e47b33c0765400d38ebaf57908f00abab2488f74.tar.bz2
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: Anton Bondarenko <anton.bondarenko.sama@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-imx.c')
-rw-r--r--drivers/spi/spi-imx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index e7e4f0c0f14d..d6dc66542811 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -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);