10 #include "dma.h"
14 	struct qce_dma_data *dma = data;  in qce_dma_release()  local
16 	dma_release_channel(dma->txchan);  in qce_dma_release()
17 	dma_release_channel(dma->rxchan);  in qce_dma_release()
18 	kfree(dma->result_buf);  in qce_dma_release()
21 int devm_qce_dma_request(struct device *dev, struct qce_dma_data *dma)  in devm_qce_dma_request()  argument
25 	dma->txchan = dma_request_chan(dev, "tx");  in devm_qce_dma_request()
26 	if (IS_ERR(dma->txchan))  in devm_qce_dma_request()
27 		return dev_err_probe(dev, PTR_ERR(dma->txchan),  in devm_qce_dma_request()
28 				     "Failed to get TX DMA channel\n");  in devm_qce_dma_request()
30 	dma->rxchan = dma_request_chan(dev, "rx");  in devm_qce_dma_request()
31 	if (IS_ERR(dma->rxchan)) {  in devm_qce_dma_request()
32 		ret = dev_err_probe(dev, PTR_ERR(dma->rxchan),  in devm_qce_dma_request()
33 				    "Failed to get RX DMA channel\n");  in devm_qce_dma_request()
37 	dma->result_buf = kmalloc(QCE_RESULT_BUF_SZ + QCE_IGNORE_BUF_SZ,  in devm_qce_dma_request()
39 	if (!dma->result_buf) {  in devm_qce_dma_request()
44 	dma->ignore_buf = dma->result_buf + QCE_RESULT_BUF_SZ;  in devm_qce_dma_request()
46 	return devm_add_action_or_reset(dev, qce_dma_release, dma);  in devm_qce_dma_request()
49 	dma_release_channel(dma->rxchan);  in devm_qce_dma_request()
51 	dma_release_channel(dma->txchan);  in devm_qce_dma_request()
105 int qce_dma_prep_sgs(struct qce_dma_data *dma, struct scatterlist *rx_sg,  in qce_dma_prep_sgs()  argument
109 	struct dma_chan *rxchan = dma->rxchan;  in qce_dma_prep_sgs()
110 	struct dma_chan *txchan = dma->txchan;  in qce_dma_prep_sgs()
123 void qce_dma_issue_pending(struct qce_dma_data *dma)  in qce_dma_issue_pending()  argument
125 	dma_async_issue_pending(dma->rxchan);  in qce_dma_issue_pending()
126 	dma_async_issue_pending(dma->txchan);  in qce_dma_issue_pending()
129 int qce_dma_terminate_all(struct qce_dma_data *dma)  in qce_dma_terminate_all()  argument
133 	ret = dmaengine_terminate_all(dma->rxchan);  in qce_dma_terminate_all()
134 	return ret ?: dmaengine_terminate_all(dma->txchan);  in qce_dma_terminate_all()