}
EXPORT_SYMBOL(request_dma);
-int set_dma_callback(unsigned int channel, dma_interrupt_t callback, void *data)
+int set_dma_callback(unsigned int channel, irq_handler_t callback, void *data)
{
BUG_ON(!(dma_ch[channel].chan_status != DMA_CHANNEL_FREE
&& channel < MAX_DMA_CHANNELS));