dmaengine: at_xdmac: align descriptors on 64 bits
[ Upstream commit 4a9723e8 ] Having descriptors aligned on 64 bits allows update CNDA and CUBC in an atomic way. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Fixes: e1f7c9ee ("dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver") Cc: stable@vger.kernel.org #v4.1 and later Reviewed-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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