qiang.liu@freescale.com wrote:

Add memory copy self test when probe device, fsl-dma will be disabled
if self test failed.

Is this a real problem that can occur?  The DMA driver used to have a
self-test, but I removed it a long time ago because it was pointless.  I
don't see why we need to add another one back in.

-- 
Timur Tabi
Linux kernel developer at Freescale