/* clear flip-flop to make sure 2-byte registers for
* count and address get set correctly */
clear_dma_ff(devpriv->dma_chan);
- set_dma_addr(devpriv->dma_chan,
- virt_to_bus(devpriv->dma_buffer));
+ set_dma_addr(devpriv->dma_chan, devpriv->dma_addr);
/* set appropriate size of transfer */
devpriv->dma_transfer_size = labpc_suggest_transfer_size(cmd);
if (cmd->stop_src == TRIG_COUNT &&
devpriv->count -= num_points;
/* set address and count for next transfer */
- set_dma_addr(devpriv->dma_chan, virt_to_bus(devpriv->dma_buffer));
+ set_dma_addr(devpriv->dma_chan, devpriv->dma_addr);
set_dma_count(devpriv->dma_chan, leftover * sample_size);
release_dma_lock(flags);
unsigned long dma_flags;
devpriv->dma_chan = dma_chan;
+ devpriv->dma_addr =
+ virt_to_bus(devpriv->dma_buffer);
+
dma_flags = claim_dma_lock();
disable_dma(devpriv->dma_chan);
set_dma_mode(devpriv->dma_chan, DMA_MODE_READ);