36 	struct dthe_data *dev_data;  in dthe_get_dev()  local
38 	if (ctx->dev_data)  in dthe_get_dev()
39 		return ctx->dev_data;  in dthe_get_dev()
42 	dev_data = list_first_entry(&dthe_dev_list.dev_list, struct dthe_data, list);  in dthe_get_dev()
43 	if (dev_data)  in dthe_get_dev()
44 		list_move_tail(&dev_data->list, &dthe_dev_list.dev_list);  in dthe_get_dev()
47 	return dev_data;  in dthe_get_dev()
69 static int dthe_dma_init(struct dthe_data *dev_data)  in dthe_dma_init()  argument
74 	dev_data->dma_aes_rx = NULL;  in dthe_dma_init()
75 	dev_data->dma_aes_tx = NULL;  in dthe_dma_init()
76 	dev_data->dma_sha_tx = NULL;  in dthe_dma_init()
78 	dev_data->dma_aes_rx = dma_request_chan(dev_data->dev, "rx");  in dthe_dma_init()
79 	if (IS_ERR(dev_data->dma_aes_rx)) {  in dthe_dma_init()
80 		return dev_err_probe(dev_data->dev, PTR_ERR(dev_data->dma_aes_rx),  in dthe_dma_init()
84 	dev_data->dma_aes_tx = dma_request_chan(dev_data->dev, "tx1");  in dthe_dma_init()
85 	if (IS_ERR(dev_data->dma_aes_tx)) {  in dthe_dma_init()
86 		ret = dev_err_probe(dev_data->dev, PTR_ERR(dev_data->dma_aes_tx),  in dthe_dma_init()
91 	dev_data->dma_sha_tx = dma_request_chan(dev_data->dev, "tx2");  in dthe_dma_init()
92 	if (IS_ERR(dev_data->dma_sha_tx)) {  in dthe_dma_init()
93 		ret = dev_err_probe(dev_data->dev, PTR_ERR(dev_data->dma_sha_tx),  in dthe_dma_init()
103 	ret = dmaengine_slave_config(dev_data->dma_aes_rx, &cfg);  in dthe_dma_init()
105 		dev_err(dev_data->dev, "Can't configure IN dmaengine slave: %d\n", ret);  in dthe_dma_init()
112 	ret = dmaengine_slave_config(dev_data->dma_aes_tx, &cfg);  in dthe_dma_init()
114 		dev_err(dev_data->dev, "Can't configure OUT dmaengine slave: %d\n", ret);  in dthe_dma_init()
121 	dma_release_channel(dev_data->dma_sha_tx);  in dthe_dma_init()
123 	dma_release_channel(dev_data->dma_aes_tx);  in dthe_dma_init()
125 	dma_release_channel(dev_data->dma_aes_rx);  in dthe_dma_init()
143 	struct dthe_data *dev_data;  in dthe_probe()  local
146 	dev_data = devm_kzalloc(dev, sizeof(*dev_data), GFP_KERNEL);  in dthe_probe()
147 	if (!dev_data)  in dthe_probe()
150 	dev_data->dev = dev;  in dthe_probe()
151 	dev_data->regs = devm_platform_ioremap_resource(pdev, 0);  in dthe_probe()
152 	if (IS_ERR(dev_data->regs))  in dthe_probe()
153 		return PTR_ERR(dev_data->regs);  in dthe_probe()
155 	platform_set_drvdata(pdev, dev_data);  in dthe_probe()
158 	list_add(&dev_data->list, &dthe_dev_list.dev_list);  in dthe_probe()
161 	ret = dthe_dma_init(dev_data);  in dthe_probe()
165 	dev_data->engine = crypto_engine_alloc_init(dev, 1);  in dthe_probe()
166 	if (!dev_data->engine) {  in dthe_probe()
171 	ret = crypto_engine_start(dev_data->engine);  in dthe_probe()
186 	crypto_engine_exit(dev_data->engine);  in dthe_probe()
188 	dma_release_channel(dev_data->dma_aes_rx);  in dthe_probe()
189 	dma_release_channel(dev_data->dma_aes_tx);  in dthe_probe()
190 	dma_release_channel(dev_data->dma_sha_tx);  in dthe_probe()
193 	list_del(&dev_data->list);  in dthe_probe()
201 	struct dthe_data *dev_data = platform_get_drvdata(pdev);  in dthe_remove()  local
204 	list_del(&dev_data->list);  in dthe_remove()
209 	crypto_engine_exit(dev_data->engine);  in dthe_remove()
211 	dma_release_channel(dev_data->dma_aes_rx);  in dthe_remove()
212 	dma_release_channel(dev_data->dma_aes_tx);  in dthe_remove()
213 	dma_release_channel(dev_data->dma_sha_tx);  in dthe_remove()