chan->count is used by rx channel. If the desc count is not updated by
the clean up loop in cpdma_chan_stop, the value written to the rxfree
register in cpdma_chan_start will be incorrect.
Signed-off-by: Tao Hou <hotforest@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
next_dma = desc_read(desc, hw_next);
chan->head = desc_from_phys(pool, next_dma);
next_dma = desc_read(desc, hw_next);
chan->head = desc_from_phys(pool, next_dma);
chan->stats.teardown_dequeue++;
/* issue callback without locks held */
chan->stats.teardown_dequeue++;
/* issue callback without locks held */