dma_request_slave_channel_compat
host->chan_tx = dma_request_slave_channel_compat(mask,
host->chan_rx = dma_request_slave_channel_compat(mask,
controller->dma_tx = dma_request_slave_channel_compat(mask,
controller->dma_rx = dma_request_slave_channel_compat(mask,
chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
dma->rxchan = dma_request_slave_channel_compat(mask,
dma->txchan = dma_request_slave_channel_compat(mask,