C++ (Cpp) dma_find_channel Beispiele

Beispiel #1

Datei: async_tx.c Projekt: 10x-Amin/x10_Th_kernel

/**
 * __async_tx_find_channel - find a channel to carry out the operation or let
 *	the transaction execute synchronously
 * @depend_tx: transaction dependency
 * @tx_type: transaction type
 */
struct dma_chan *
__async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx,
	enum dma_transaction_type tx_type)
{
	/* see if we can keep the chain on one channel */
	if (depend_tx &&
	    dma_has_cap(tx_type, depend_tx->chan->device->cap_mask))
		return depend_tx->chan;
	return dma_find_channel(tx_type);
}

Beispiel #2

Datei: example265.c Projekt: antoniocorreia/cprojects

#ifdef CONFIG_NET_DMA
if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
				tp->ucopy.dma_chan = dma_find_channel(DMA_MEMCPY);