CPDMA_MAX_CHANNELS
struct cpdma_chan *channels[2 * CPDMA_MAX_CHANNELS];
#define rx_chan_num(chan) ((chan) + CPDMA_MAX_CHANNELS)
#define is_rx_chan(chan) ((chan)->chan_num >= CPDMA_MAX_CHANNELS)
#define __chan_linear(chan_num) ((chan_num) & (CPDMA_MAX_CHANNELS - 1))
for (i = tx_chan_num(0); i < tx_chan_num(CPDMA_MAX_CHANNELS); i++) {
if (WARN_ON(ctlr->num_chan > CPDMA_MAX_CHANNELS))
ctlr->num_chan = CPDMA_MAX_CHANNELS;
max = rx_chan_num(CPDMA_MAX_CHANNELS);
max = tx_chan_num(CPDMA_MAX_CHANNELS);