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0b3518652c
The filter() function is currently called by xlate() while it transfers imx_dma_data as a local variable to the filter() but releases the data right after returning a DMA channel pointer, which results chan->private pointing an invalid memory space. So this patch just stores the imx_dma_data into sdmac to make usre the private pointer valid as long as the channel exists. Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>