135 	struct dma_chan		*dma_lch;  member
234 	desc = dmaengine_prep_slave_sg(hdev->dma_lch,  in img_hash_xmit_dma()
248 	dma_async_issue_pending(hdev->dma_lch);  in img_hash_xmit_dma()
336 	hdev->dma_lch = dma_request_chan(hdev->dev, "tx");  in img_hash_dma_init()
337 	if (IS_ERR(hdev->dma_lch)) {  in img_hash_dma_init()
339 		return PTR_ERR(hdev->dma_lch);  in img_hash_dma_init()
347 	err = dmaengine_slave_config(hdev->dma_lch,  &dma_conf);  in img_hash_dma_init()
350 		dma_release_channel(hdev->dma_lch);  in img_hash_dma_init()
1021 		dma_chan_name(hdev->dma_lch));  in img_hash_probe()
1038 	dma_release_channel(hdev->dma_lch);  in img_hash_probe()
1064 	dma_release_channel(hdev->dma_lch);  in img_hash_remove()