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42361f20f2
if we initilize dma driver by module_init, there are still many devices which will be initilized earlier than dma. these devices will fail to get dma channel. this moves dmaengine earlier than device_initcall and make dma available for all devices. Reported-by: Renwei Wu <Renwei.Wu@csr.com> Signed-off-by: Barry Song <Baohua.Song@csr.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>