46 #define omap_aes_read(dd, offset)				\  argument
49 	_read_ret = __raw_readl(dd->io_base + offset);		\
55 inline u32 omap_aes_read(struct omap_aes_dev *dd, u32 offset)  in omap_aes_read()  argument
57 	return __raw_readl(dd->io_base + offset);  in omap_aes_read()
62 #define omap_aes_write(dd, offset, value)				\  argument
66 		__raw_writel(value, dd->io_base + offset);		\
69 inline void omap_aes_write(struct omap_aes_dev *dd, u32 offset,  in omap_aes_write()  argument
72 	__raw_writel(value, dd->io_base + offset);  in omap_aes_write()
76 static inline void omap_aes_write_mask(struct omap_aes_dev *dd, u32 offset,  in omap_aes_write_mask()  argument
81 	val = omap_aes_read(dd, offset);  in omap_aes_write_mask()
84 	omap_aes_write(dd, offset, val);  in omap_aes_write_mask()
87 static void omap_aes_write_n(struct omap_aes_dev *dd, u32 offset,  in omap_aes_write_n()  argument
91 		omap_aes_write(dd, offset, *value);  in omap_aes_write_n()
94 static int omap_aes_hw_init(struct omap_aes_dev *dd)  in omap_aes_hw_init()  argument
98 	if (!(dd->flags & FLAGS_INIT)) {  in omap_aes_hw_init()
99 		dd->flags |= FLAGS_INIT;  in omap_aes_hw_init()
100 		dd->err = 0;  in omap_aes_hw_init()
103 	err = pm_runtime_resume_and_get(dd->dev);  in omap_aes_hw_init()
105 		dev_err(dd->dev, "failed to get sync: %d\n", err);  in omap_aes_hw_init()
112 void omap_aes_clear_copy_flags(struct omap_aes_dev *dd)  in omap_aes_clear_copy_flags()  argument
114 	dd->flags &= ~(OMAP_CRYPTO_COPY_MASK << FLAGS_IN_DATA_ST_SHIFT);  in omap_aes_clear_copy_flags()
115 	dd->flags &= ~(OMAP_CRYPTO_COPY_MASK << FLAGS_OUT_DATA_ST_SHIFT);  in omap_aes_clear_copy_flags()
116 	dd->flags &= ~(OMAP_CRYPTO_COPY_MASK << FLAGS_ASSOC_DATA_ST_SHIFT);  in omap_aes_clear_copy_flags()
119 int omap_aes_write_ctrl(struct omap_aes_dev *dd)  in omap_aes_write_ctrl()  argument
126 	err = omap_aes_hw_init(dd);  in omap_aes_write_ctrl()
130 	key32 = dd->ctx->keylen / sizeof(u32);  in omap_aes_write_ctrl()
133 	if (dd->flags & FLAGS_GCM)  in omap_aes_write_ctrl()
135 			omap_aes_write(dd, i, 0x0);  in omap_aes_write_ctrl()
138 		omap_aes_write(dd, AES_REG_KEY(dd, i),  in omap_aes_write_ctrl()
139 			       (__force u32)cpu_to_le32(dd->ctx->key[i]));  in omap_aes_write_ctrl()
142 	if ((dd->flags & (FLAGS_CBC | FLAGS_CTR)) && dd->req->iv)  in omap_aes_write_ctrl()
143 		omap_aes_write_n(dd, AES_REG_IV(dd, 0), (void *)dd->req->iv, 4);  in omap_aes_write_ctrl()
145 	if ((dd->flags & (FLAGS_GCM)) && dd->aead_req->iv) {  in omap_aes_write_ctrl()
146 		rctx = aead_request_ctx(dd->aead_req);  in omap_aes_write_ctrl()
147 		omap_aes_write_n(dd, AES_REG_IV(dd, 0), (u32 *)rctx->iv, 4);  in omap_aes_write_ctrl()
150 	val = FLD_VAL(((dd->ctx->keylen >> 3) - 1), 4, 3);  in omap_aes_write_ctrl()
151 	if (dd->flags & FLAGS_CBC)  in omap_aes_write_ctrl()
154 	if (dd->flags & (FLAGS_CTR | FLAGS_GCM))  in omap_aes_write_ctrl()
157 	if (dd->flags & FLAGS_GCM)  in omap_aes_write_ctrl()
160 	if (dd->flags & FLAGS_ENCRYPT)  in omap_aes_write_ctrl()
163 	omap_aes_write_mask(dd, AES_REG_CTRL(dd), val, AES_REG_CTRL_MASK);  in omap_aes_write_ctrl()
168 static void omap_aes_dma_trigger_omap2(struct omap_aes_dev *dd, int length)  in omap_aes_dma_trigger_omap2()  argument
172 	val = dd->pdata->dma_start;  in omap_aes_dma_trigger_omap2()
174 	if (dd->dma_lch_out != NULL)  in omap_aes_dma_trigger_omap2()
175 		val |= dd->pdata->dma_enable_out;  in omap_aes_dma_trigger_omap2()
176 	if (dd->dma_lch_in != NULL)  in omap_aes_dma_trigger_omap2()
177 		val |= dd->pdata->dma_enable_in;  in omap_aes_dma_trigger_omap2()
179 	mask = dd->pdata->dma_enable_out | dd->pdata->dma_enable_in |  in omap_aes_dma_trigger_omap2()
180 	       dd->pdata->dma_start;  in omap_aes_dma_trigger_omap2()
182 	omap_aes_write_mask(dd, AES_REG_MASK(dd), val, mask);  in omap_aes_dma_trigger_omap2()
186 static void omap_aes_dma_trigger_omap4(struct omap_aes_dev *dd, int length)  in omap_aes_dma_trigger_omap4()  argument
188 	omap_aes_write(dd, AES_REG_LENGTH_N(0), length);  in omap_aes_dma_trigger_omap4()
189 	omap_aes_write(dd, AES_REG_LENGTH_N(1), 0);  in omap_aes_dma_trigger_omap4()
190 	if (dd->flags & FLAGS_GCM)  in omap_aes_dma_trigger_omap4()
191 		omap_aes_write(dd, AES_REG_A_LEN, dd->assoc_len);  in omap_aes_dma_trigger_omap4()
193 	omap_aes_dma_trigger_omap2(dd, length);  in omap_aes_dma_trigger_omap4()
196 static void omap_aes_dma_stop(struct omap_aes_dev *dd)  in omap_aes_dma_stop()  argument
200 	mask = dd->pdata->dma_enable_out | dd->pdata->dma_enable_in |  in omap_aes_dma_stop()
201 	       dd->pdata->dma_start;  in omap_aes_dma_stop()
203 	omap_aes_write_mask(dd, AES_REG_MASK(dd), 0, mask);  in omap_aes_dma_stop()
208 	struct omap_aes_dev *dd;  in omap_aes_find_dev()  local
211 	dd = list_first_entry(&dev_list, struct omap_aes_dev, list);  in omap_aes_find_dev()
212 	list_move_tail(&dd->list, &dev_list);  in omap_aes_find_dev()
213 	rctx->dd = dd;  in omap_aes_find_dev()
216 	return dd;  in omap_aes_find_dev()
221 	struct omap_aes_dev *dd = data;  in omap_aes_dma_out_callback()  local
224 	tasklet_schedule(&dd->done_task);  in omap_aes_dma_out_callback()
227 static int omap_aes_dma_init(struct omap_aes_dev *dd)  in omap_aes_dma_init()  argument
231 	dd->dma_lch_out = NULL;  in omap_aes_dma_init()
232 	dd->dma_lch_in = NULL;  in omap_aes_dma_init()
234 	dd->dma_lch_in = dma_request_chan(dd->dev, "rx");  in omap_aes_dma_init()
235 	if (IS_ERR(dd->dma_lch_in)) {  in omap_aes_dma_init()
236 		dev_err(dd->dev, "Unable to request in DMA channel\n");  in omap_aes_dma_init()
237 		return PTR_ERR(dd->dma_lch_in);  in omap_aes_dma_init()
240 	dd->dma_lch_out = dma_request_chan(dd->dev, "tx");  in omap_aes_dma_init()
241 	if (IS_ERR(dd->dma_lch_out)) {  in omap_aes_dma_init()
242 		dev_err(dd->dev, "Unable to request out DMA channel\n");  in omap_aes_dma_init()
243 		err = PTR_ERR(dd->dma_lch_out);  in omap_aes_dma_init()
250 	dma_release_channel(dd->dma_lch_in);  in omap_aes_dma_init()
255 static void omap_aes_dma_cleanup(struct omap_aes_dev *dd)  in omap_aes_dma_cleanup()  argument
257 	if (dd->pio_only)  in omap_aes_dma_cleanup()
260 	dma_release_channel(dd->dma_lch_out);  in omap_aes_dma_cleanup()
261 	dma_release_channel(dd->dma_lch_in);  in omap_aes_dma_cleanup()
264 static int omap_aes_crypt_dma(struct omap_aes_dev *dd,  in omap_aes_crypt_dma()  argument
273 	if (dd->pio_only) {  in omap_aes_crypt_dma()
274 		dd->in_sg_offset = 0;  in omap_aes_crypt_dma()
276 			dd->out_sg_offset = 0;  in omap_aes_crypt_dma()
280 		omap_aes_write(dd, AES_REG_IRQ_ENABLE(dd), 0x2);  in omap_aes_crypt_dma()
284 	dma_sync_sg_for_device(dd->dev, dd->in_sg, in_sg_len, DMA_TO_DEVICE);  in omap_aes_crypt_dma()
288 	cfg.src_addr = dd->phys_base + AES_REG_DATA_N(dd, 0);  in omap_aes_crypt_dma()
289 	cfg.dst_addr = dd->phys_base + AES_REG_DATA_N(dd, 0);  in omap_aes_crypt_dma()
296 	ret = dmaengine_slave_config(dd->dma_lch_in, &cfg);  in omap_aes_crypt_dma()
298 		dev_err(dd->dev, "can't configure IN dmaengine slave: %d\n",  in omap_aes_crypt_dma()
303 	tx_in = dmaengine_prep_slave_sg(dd->dma_lch_in, in_sg, in_sg_len,  in omap_aes_crypt_dma()
307 		dev_err(dd->dev, "IN prep_slave_sg() failed\n");  in omap_aes_crypt_dma()
312 	tx_in->callback_param = dd;  in omap_aes_crypt_dma()
317 		ret = dmaengine_slave_config(dd->dma_lch_out, &cfg);  in omap_aes_crypt_dma()
319 			dev_err(dd->dev, "can't configure OUT dmaengine slave: %d\n",  in omap_aes_crypt_dma()
324 		tx_out = dmaengine_prep_slave_sg(dd->dma_lch_out, out_sg,  in omap_aes_crypt_dma()
329 			dev_err(dd->dev, "OUT prep_slave_sg() failed\n");  in omap_aes_crypt_dma()
338 	if (dd->flags & FLAGS_GCM)  in omap_aes_crypt_dma()
342 	cb_desc->callback_param = dd;  in omap_aes_crypt_dma()
349 	dma_async_issue_pending(dd->dma_lch_in);  in omap_aes_crypt_dma()
351 		dma_async_issue_pending(dd->dma_lch_out);  in omap_aes_crypt_dma()
354 	dd->pdata->trigger(dd, dd->total);  in omap_aes_crypt_dma()
359 int omap_aes_crypt_dma_start(struct omap_aes_dev *dd)  in omap_aes_crypt_dma_start()  argument
363 	pr_debug("total: %zu\n", dd->total);  in omap_aes_crypt_dma_start()
365 	if (!dd->pio_only) {  in omap_aes_crypt_dma_start()
366 		err = dma_map_sg(dd->dev, dd->in_sg, dd->in_sg_len,  in omap_aes_crypt_dma_start()
369 			dev_err(dd->dev, "dma_map_sg() error\n");  in omap_aes_crypt_dma_start()
373 		if (dd->out_sg_len) {  in omap_aes_crypt_dma_start()
374 			err = dma_map_sg(dd->dev, dd->out_sg, dd->out_sg_len,  in omap_aes_crypt_dma_start()
377 				dev_err(dd->dev, "dma_map_sg() error\n");  in omap_aes_crypt_dma_start()
383 	err = omap_aes_crypt_dma(dd, dd->in_sg, dd->out_sg, dd->in_sg_len,  in omap_aes_crypt_dma_start()
384 				 dd->out_sg_len);  in omap_aes_crypt_dma_start()
385 	if (err && !dd->pio_only) {  in omap_aes_crypt_dma_start()
386 		dma_unmap_sg(dd->dev, dd->in_sg, dd->in_sg_len, DMA_TO_DEVICE);  in omap_aes_crypt_dma_start()
387 		if (dd->out_sg_len)  in omap_aes_crypt_dma_start()
388 			dma_unmap_sg(dd->dev, dd->out_sg, dd->out_sg_len,  in omap_aes_crypt_dma_start()
395 static void omap_aes_finish_req(struct omap_aes_dev *dd, int err)  in omap_aes_finish_req()  argument
397 	struct skcipher_request *req = dd->req;  in omap_aes_finish_req()
401 	crypto_finalize_skcipher_request(dd->engine, req, err);  in omap_aes_finish_req()
403 	pm_runtime_mark_last_busy(dd->dev);  in omap_aes_finish_req()
404 	pm_runtime_put_autosuspend(dd->dev);  in omap_aes_finish_req()
407 int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd)  in omap_aes_crypt_dma_stop()  argument
409 	pr_debug("total: %zu\n", dd->total);  in omap_aes_crypt_dma_stop()
411 	omap_aes_dma_stop(dd);  in omap_aes_crypt_dma_stop()
417 static int omap_aes_handle_queue(struct omap_aes_dev *dd,  in omap_aes_handle_queue()  argument
421 		return crypto_transfer_skcipher_request_to_engine(dd->engine, req);  in omap_aes_handle_queue()
427 				struct omap_aes_dev *dd)  in omap_aes_prepare_req()  argument
436 	dd->req = req;  in omap_aes_prepare_req()
437 	dd->total = req->cryptlen;  in omap_aes_prepare_req()
438 	dd->total_save = req->cryptlen;  in omap_aes_prepare_req()
439 	dd->in_sg = req->src;  in omap_aes_prepare_req()
440 	dd->out_sg = req->dst;  in omap_aes_prepare_req()
441 	dd->orig_out = req->dst;  in omap_aes_prepare_req()
447 	ret = omap_crypto_align_sg(&dd->in_sg, dd->total, AES_BLOCK_SIZE,  in omap_aes_prepare_req()
448 				   dd->in_sgl, flags,  in omap_aes_prepare_req()
449 				   FLAGS_IN_DATA_ST_SHIFT, &dd->flags);  in omap_aes_prepare_req()
453 	ret = omap_crypto_align_sg(&dd->out_sg, dd->total, AES_BLOCK_SIZE,  in omap_aes_prepare_req()
454 				   &dd->out_sgl, 0,  in omap_aes_prepare_req()
455 				   FLAGS_OUT_DATA_ST_SHIFT, &dd->flags);  in omap_aes_prepare_req()
459 	dd->in_sg_len = sg_nents_for_len(dd->in_sg, dd->total);  in omap_aes_prepare_req()
460 	if (dd->in_sg_len < 0)  in omap_aes_prepare_req()
461 		return dd->in_sg_len;  in omap_aes_prepare_req()
463 	dd->out_sg_len = sg_nents_for_len(dd->out_sg, dd->total);  in omap_aes_prepare_req()
464 	if (dd->out_sg_len < 0)  in omap_aes_prepare_req()
465 		return dd->out_sg_len;  in omap_aes_prepare_req()
468 	dd->flags = (dd->flags & ~FLAGS_MODE_MASK) | rctx->mode;  in omap_aes_prepare_req()
470 	dd->ctx = ctx;  in omap_aes_prepare_req()
471 	rctx->dd = dd;  in omap_aes_prepare_req()
473 	return omap_aes_write_ctrl(dd);  in omap_aes_prepare_req()
481 	struct omap_aes_dev *dd = rctx->dd;  in omap_aes_crypt_req()  local
483 	if (!dd)  in omap_aes_crypt_req()
486 	return omap_aes_prepare_req(req, dd) ?:  in omap_aes_crypt_req()
487 	       omap_aes_crypt_dma_start(dd);  in omap_aes_crypt_req()
490 static void omap_aes_copy_ivout(struct omap_aes_dev *dd, u8 *ivbuf)  in omap_aes_copy_ivout()  argument
495 		((u32 *)ivbuf)[i] = omap_aes_read(dd, AES_REG_IV(dd, i));  in omap_aes_copy_ivout()
500 	struct omap_aes_dev *dd = (struct omap_aes_dev *)data;  in omap_aes_done_task()  local
504 	if (!dd->pio_only) {  in omap_aes_done_task()
505 		dma_sync_sg_for_device(dd->dev, dd->out_sg, dd->out_sg_len,  in omap_aes_done_task()
507 		dma_unmap_sg(dd->dev, dd->in_sg, dd->in_sg_len, DMA_TO_DEVICE);  in omap_aes_done_task()
508 		dma_unmap_sg(dd->dev, dd->out_sg, dd->out_sg_len,  in omap_aes_done_task()
510 		omap_aes_crypt_dma_stop(dd);  in omap_aes_done_task()
513 	omap_crypto_cleanup(dd->in_sg, NULL, 0, dd->total_save,  in omap_aes_done_task()
514 			    FLAGS_IN_DATA_ST_SHIFT, dd->flags);  in omap_aes_done_task()
516 	omap_crypto_cleanup(dd->out_sg, dd->orig_out, 0, dd->total_save,  in omap_aes_done_task()
517 			    FLAGS_OUT_DATA_ST_SHIFT, dd->flags);  in omap_aes_done_task()
520 	if (dd->flags & (FLAGS_CBC | FLAGS_CTR))  in omap_aes_done_task()
521 		omap_aes_copy_ivout(dd, dd->req->iv);  in omap_aes_done_task()
523 	omap_aes_finish_req(dd, 0);  in omap_aes_done_task()
533 	struct omap_aes_dev *dd;  in omap_aes_crypt()  local
558 	dd = omap_aes_find_dev(rctx);  in omap_aes_crypt()
559 	if (!dd)  in omap_aes_crypt()
564 	return omap_aes_handle_queue(dd, req);  in omap_aes_crypt()
863 	struct omap_aes_dev *dd = dev_id;  in omap_aes_irq()  local
867 	status = omap_aes_read(dd, AES_REG_IRQ_STATUS(dd));  in omap_aes_irq()
869 		omap_aes_write(dd, AES_REG_IRQ_ENABLE(dd), 0x0);  in omap_aes_irq()
871 		BUG_ON(!dd->in_sg);  in omap_aes_irq()
873 		BUG_ON(dd->in_sg_offset > dd->in_sg->length);  in omap_aes_irq()
875 		src = sg_virt(dd->in_sg) + dd->in_sg_offset;  in omap_aes_irq()
878 			omap_aes_write(dd, AES_REG_DATA_N(dd, i), *src);  in omap_aes_irq()
879 			dd->in_sg_offset += 4;  in omap_aes_irq()
880 			if (dd->in_sg_offset == dd->in_sg->length) {  in omap_aes_irq()
881 				dd->in_sg = sg_next(dd->in_sg);  in omap_aes_irq()
882 				if (dd->in_sg) {  in omap_aes_irq()
883 					dd->in_sg_offset = 0;  in omap_aes_irq()
884 					src = sg_virt(dd->in_sg);  in omap_aes_irq()
893 		omap_aes_write(dd, AES_REG_IRQ_STATUS(dd), status);  in omap_aes_irq()
896 		omap_aes_write(dd, AES_REG_IRQ_ENABLE(dd), 0x4);  in omap_aes_irq()
899 		omap_aes_write(dd, AES_REG_IRQ_ENABLE(dd), 0x0);  in omap_aes_irq()
901 		BUG_ON(!dd->out_sg);  in omap_aes_irq()
903 		BUG_ON(dd->out_sg_offset > dd->out_sg->length);  in omap_aes_irq()
905 		dst = sg_virt(dd->out_sg) + dd->out_sg_offset;  in omap_aes_irq()
908 			*dst = omap_aes_read(dd, AES_REG_DATA_N(dd, i));  in omap_aes_irq()
909 			dd->out_sg_offset += 4;  in omap_aes_irq()
910 			if (dd->out_sg_offset == dd->out_sg->length) {  in omap_aes_irq()
911 				dd->out_sg = sg_next(dd->out_sg);  in omap_aes_irq()
912 				if (dd->out_sg) {  in omap_aes_irq()
913 					dd->out_sg_offset = 0;  in omap_aes_irq()
914 					dst = sg_virt(dd->out_sg);  in omap_aes_irq()
921 		dd->total -= min_t(size_t, AES_BLOCK_SIZE, dd->total);  in omap_aes_irq()
925 		omap_aes_write(dd, AES_REG_IRQ_STATUS(dd), status);  in omap_aes_irq()
927 		if (!dd->total)  in omap_aes_irq()
929 			tasklet_schedule(&dd->done_task);  in omap_aes_irq()
932 			omap_aes_write(dd, AES_REG_IRQ_ENABLE(dd), 0x2);  in omap_aes_irq()
955 static int omap_aes_get_res_of(struct omap_aes_dev *dd,  in omap_aes_get_res_of()  argument
961 	dd->pdata = of_device_get_match_data(dev);  in omap_aes_get_res_of()
962 	if (!dd->pdata) {  in omap_aes_get_res_of()
983 static int omap_aes_get_res_of(struct omap_aes_dev *dd,  in omap_aes_get_res_of()  argument
990 static int omap_aes_get_res_pdev(struct omap_aes_dev *dd,  in omap_aes_get_res_pdev()  argument
1007 	dd->pdata = &omap_aes_pdata_omap2;  in omap_aes_get_res_pdev()
1043 	struct omap_aes_dev *dd = dev_get_drvdata(dev);  in queue_len_show()  local
1045 	return sprintf(buf, "%d\n", dd->engine->queue.max_qlen);  in queue_len_show()
1052 	struct omap_aes_dev *dd;  in queue_len_store()  local
1070 	list_for_each_entry(dd, &dev_list, list) {  in queue_len_store()
1071 		spin_lock_irqsave(&dd->lock, flags);  in queue_len_store()
1072 		dd->engine->queue.max_qlen = value;  in queue_len_store()
1073 		dd->aead_queue.base.max_qlen = value;  in queue_len_store()
1074 		spin_unlock_irqrestore(&dd->lock, flags);  in queue_len_store()
1097 	struct omap_aes_dev *dd;  in omap_aes_probe()  local
1104 	dd = devm_kzalloc(dev, sizeof(struct omap_aes_dev), GFP_KERNEL);  in omap_aes_probe()
1105 	if (dd == NULL) {  in omap_aes_probe()
1109 	dd->dev = dev;  in omap_aes_probe()
1110 	platform_set_drvdata(pdev, dd);  in omap_aes_probe()
1112 	aead_init_queue(&dd->aead_queue, OMAP_AES_QUEUE_LENGTH);  in omap_aes_probe()
1114 	err = (dev->of_node) ? omap_aes_get_res_of(dd, dev, &res) :  in omap_aes_probe()
1115 			       omap_aes_get_res_pdev(dd, pdev, &res);  in omap_aes_probe()
1119 	dd->io_base = devm_ioremap_resource(dev, &res);  in omap_aes_probe()
1120 	if (IS_ERR(dd->io_base)) {  in omap_aes_probe()
1121 		err = PTR_ERR(dd->io_base);  in omap_aes_probe()
1124 	dd->phys_base = res.start;  in omap_aes_probe()
1137 	omap_aes_dma_stop(dd);  in omap_aes_probe()
1139 	reg = omap_aes_read(dd, AES_REG_REV(dd));  in omap_aes_probe()
1144 		 (reg & dd->pdata->major_mask) >> dd->pdata->major_shift,  in omap_aes_probe()
1145 		 (reg & dd->pdata->minor_mask) >> dd->pdata->minor_shift);  in omap_aes_probe()
1147 	tasklet_init(&dd->done_task, omap_aes_done_task, (unsigned long)dd);  in omap_aes_probe()
1149 	err = omap_aes_dma_init(dd);  in omap_aes_probe()
1152 	} else if (err && AES_REG_IRQ_STATUS(dd) && AES_REG_IRQ_ENABLE(dd)) {  in omap_aes_probe()
1153 		dd->pio_only = 1;  in omap_aes_probe()
1162 				dev_name(dev), dd);  in omap_aes_probe()
1169 	spin_lock_init(&dd->lock);  in omap_aes_probe()
1171 	INIT_LIST_HEAD(&dd->list);  in omap_aes_probe()
1173 	list_add_tail(&dd->list, &dev_list);  in omap_aes_probe()
1177 	dd->engine = crypto_engine_alloc_init(dev, 1);  in omap_aes_probe()
1178 	if (!dd->engine) {  in omap_aes_probe()
1183 	err = crypto_engine_start(dd->engine);  in omap_aes_probe()
1187 	for (i = 0; i < dd->pdata->algs_info_size; i++) {  in omap_aes_probe()
1188 		if (!dd->pdata->algs_info[i].registered) {  in omap_aes_probe()
1189 			for (j = 0; j < dd->pdata->algs_info[i].size; j++) {  in omap_aes_probe()
1190 				algp = &dd->pdata->algs_info[i].algs_list[j];  in omap_aes_probe()
1198 				dd->pdata->algs_info[i].registered++;  in omap_aes_probe()
1203 	if (dd->pdata->aead_algs_info &&  in omap_aes_probe()
1204 	    !dd->pdata->aead_algs_info->registered) {  in omap_aes_probe()
1205 		for (i = 0; i < dd->pdata->aead_algs_info->size; i++) {  in omap_aes_probe()
1206 			aalg = &dd->pdata->aead_algs_info->algs_list[i];  in omap_aes_probe()
1214 			dd->pdata->aead_algs_info->registered++;  in omap_aes_probe()
1226 	for (i = dd->pdata->aead_algs_info->registered - 1; i >= 0; i--) {  in omap_aes_probe()
1227 		aalg = &dd->pdata->aead_algs_info->algs_list[i];  in omap_aes_probe()
1231 	for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)  in omap_aes_probe()
1232 		for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)  in omap_aes_probe()
1234 					&dd->pdata->algs_info[i].algs_list[j]);  in omap_aes_probe()
1237 	if (dd->engine)  in omap_aes_probe()
1238 		crypto_engine_exit(dd->engine);  in omap_aes_probe()
1240 	omap_aes_dma_cleanup(dd);  in omap_aes_probe()
1242 	tasklet_kill(&dd->done_task);  in omap_aes_probe()
1246 	dd = NULL;  in omap_aes_probe()
1254 	struct omap_aes_dev *dd = platform_get_drvdata(pdev);  in omap_aes_remove()  local
1259 	list_del(&dd->list);  in omap_aes_remove()
1262 	for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)  in omap_aes_remove()
1263 		for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) {  in omap_aes_remove()
1265 					&dd->pdata->algs_info[i].algs_list[j]);  in omap_aes_remove()
1266 			dd->pdata->algs_info[i].registered--;  in omap_aes_remove()
1269 	for (i = dd->pdata->aead_algs_info->registered - 1; i >= 0; i--) {  in omap_aes_remove()
1270 		aalg = &dd->pdata->aead_algs_info->algs_list[i];  in omap_aes_remove()
1272 		dd->pdata->aead_algs_info->registered--;  in omap_aes_remove()
1275 	crypto_engine_exit(dd->engine);  in omap_aes_remove()
1277 	tasklet_kill(&dd->done_task);  in omap_aes_remove()
1278 	omap_aes_dma_cleanup(dd);  in omap_aes_remove()
1279 	pm_runtime_disable(dd->dev);  in omap_aes_remove()
1281 	sysfs_remove_group(&dd->dev->kobj, &omap_aes_attr_group);  in omap_aes_remove()