129 	struct stm32_hash_dev	*hdev;  member
137 	struct stm32_hash_dev	*hdev;  member
210 static inline u32 stm32_hash_read(struct stm32_hash_dev *hdev, u32 offset)  in stm32_hash_read()  argument
212 	return readl_relaxed(hdev->io_base + offset);  in stm32_hash_read()
215 static inline void stm32_hash_write(struct stm32_hash_dev *hdev,  in stm32_hash_write()  argument
218 	writel_relaxed(value, hdev->io_base + offset);  in stm32_hash_write()
221 static inline int stm32_hash_wait_busy(struct stm32_hash_dev *hdev)  in stm32_hash_wait_busy()  argument
225 	return readl_relaxed_poll_timeout(hdev->io_base + HASH_SR, status,  in stm32_hash_wait_busy()
229 static void stm32_hash_set_nblw(struct stm32_hash_dev *hdev, int length)  in stm32_hash_set_nblw()  argument
233 	reg = stm32_hash_read(hdev, HASH_STR);  in stm32_hash_set_nblw()
236 	stm32_hash_write(hdev, HASH_STR, reg);  in stm32_hash_set_nblw()
239 static int stm32_hash_write_key(struct stm32_hash_dev *hdev)  in stm32_hash_write_key()  argument
241 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(hdev->req);  in stm32_hash_write_key()
248 		stm32_hash_set_nblw(hdev, keylen);  in stm32_hash_write_key()
251 			stm32_hash_write(hdev, HASH_DIN, *(u32 *)key);  in stm32_hash_write_key()
256 		reg = stm32_hash_read(hdev, HASH_STR);  in stm32_hash_write_key()
258 		stm32_hash_write(hdev, HASH_STR, reg);  in stm32_hash_write_key()
266 static void stm32_hash_write_ctrl(struct stm32_hash_dev *hdev)  in stm32_hash_write_ctrl()  argument
268 	struct stm32_hash_request_ctx *rctx = ahash_request_ctx(hdev->req);  in stm32_hash_write_ctrl()
269 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(hdev->req);  in stm32_hash_write_ctrl()
274 	if (!(hdev->flags & HASH_FLAGS_INIT)) {  in stm32_hash_write_ctrl()
295 			hdev->flags |= HASH_FLAGS_HMAC;  in stm32_hash_write_ctrl()
301 		stm32_hash_write(hdev, HASH_IMR, HASH_DCIE);  in stm32_hash_write_ctrl()
303 		stm32_hash_write(hdev, HASH_CR, reg);  in stm32_hash_write_ctrl()
305 		hdev->flags |= HASH_FLAGS_INIT;  in stm32_hash_write_ctrl()
307 		dev_dbg(hdev->dev, "Write Control %x\n", reg);  in stm32_hash_write_ctrl()
345 static int stm32_hash_xmit_cpu(struct stm32_hash_dev *hdev,  in stm32_hash_xmit_cpu()  argument
353 		hdev->flags |= HASH_FLAGS_FINAL;  in stm32_hash_xmit_cpu()
357 	dev_dbg(hdev->dev, "%s: length: %d, final: %x len32 %i\n",  in stm32_hash_xmit_cpu()
360 	hdev->flags |= HASH_FLAGS_CPU;  in stm32_hash_xmit_cpu()
362 	stm32_hash_write_ctrl(hdev);  in stm32_hash_xmit_cpu()
364 	if (stm32_hash_wait_busy(hdev))  in stm32_hash_xmit_cpu()
367 	if ((hdev->flags & HASH_FLAGS_HMAC) &&  in stm32_hash_xmit_cpu()
368 	    (hdev->flags & ~HASH_FLAGS_HMAC_KEY)) {  in stm32_hash_xmit_cpu()
369 		hdev->flags |= HASH_FLAGS_HMAC_KEY;  in stm32_hash_xmit_cpu()
370 		stm32_hash_write_key(hdev);  in stm32_hash_xmit_cpu()
371 		if (stm32_hash_wait_busy(hdev))  in stm32_hash_xmit_cpu()
376 		stm32_hash_write(hdev, HASH_DIN, buffer[count]);  in stm32_hash_xmit_cpu()
379 		stm32_hash_set_nblw(hdev, length);  in stm32_hash_xmit_cpu()
380 		reg = stm32_hash_read(hdev, HASH_STR);  in stm32_hash_xmit_cpu()
382 		stm32_hash_write(hdev, HASH_STR, reg);  in stm32_hash_xmit_cpu()
383 		if (hdev->flags & HASH_FLAGS_HMAC) {  in stm32_hash_xmit_cpu()
384 			if (stm32_hash_wait_busy(hdev))  in stm32_hash_xmit_cpu()
386 			stm32_hash_write_key(hdev);  in stm32_hash_xmit_cpu()
394 static int stm32_hash_update_cpu(struct stm32_hash_dev *hdev)  in stm32_hash_update_cpu()  argument
396 	struct stm32_hash_request_ctx *rctx = ahash_request_ctx(hdev->req);  in stm32_hash_update_cpu()
399 	dev_dbg(hdev->dev, "%s flags %lx\n", __func__, rctx->flags);  in stm32_hash_update_cpu()
408 		err = stm32_hash_xmit_cpu(hdev, rctx->buffer, bufcnt, 0);  in stm32_hash_update_cpu()
416 		err = stm32_hash_xmit_cpu(hdev, rctx->buffer, bufcnt,  in stm32_hash_update_cpu()
423 static int stm32_hash_xmit_dma(struct stm32_hash_dev *hdev,  in stm32_hash_xmit_dma()  argument
431 	in_desc = dmaengine_prep_slave_sg(hdev->dma_lch, sg, 1,  in stm32_hash_xmit_dma()
435 		dev_err(hdev->dev, "dmaengine_prep_slave error\n");  in stm32_hash_xmit_dma()
439 	reinit_completion(&hdev->dma_completion);  in stm32_hash_xmit_dma()
441 	in_desc->callback_param = hdev;  in stm32_hash_xmit_dma()
443 	hdev->flags |= HASH_FLAGS_FINAL;  in stm32_hash_xmit_dma()
444 	hdev->flags |= HASH_FLAGS_DMA_ACTIVE;  in stm32_hash_xmit_dma()
446 	reg = stm32_hash_read(hdev, HASH_CR);  in stm32_hash_xmit_dma()
455 	stm32_hash_write(hdev, HASH_CR, reg);  in stm32_hash_xmit_dma()
457 	stm32_hash_set_nblw(hdev, length);  in stm32_hash_xmit_dma()
464 	dma_async_issue_pending(hdev->dma_lch);  in stm32_hash_xmit_dma()
466 	if (!wait_for_completion_interruptible_timeout(&hdev->dma_completion,  in stm32_hash_xmit_dma()
470 	if (dma_async_is_tx_complete(hdev->dma_lch, cookie,  in stm32_hash_xmit_dma()
475 		dev_err(hdev->dev, "DMA Error %i\n", err);  in stm32_hash_xmit_dma()
476 		dmaengine_terminate_all(hdev->dma_lch);  in stm32_hash_xmit_dma()
485 	struct stm32_hash_dev *hdev = param;  in stm32_hash_dma_callback()  local
487 	complete(&hdev->dma_completion);  in stm32_hash_dma_callback()
489 	hdev->flags |= HASH_FLAGS_DMA_READY;  in stm32_hash_dma_callback()
492 static int stm32_hash_hmac_dma_send(struct stm32_hash_dev *hdev)  in stm32_hash_hmac_dma_send()  argument
494 	struct stm32_hash_request_ctx *rctx = ahash_request_ctx(hdev->req);  in stm32_hash_hmac_dma_send()
495 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(hdev->req);  in stm32_hash_hmac_dma_send()
499 	if (ctx->keylen < HASH_DMA_THRESHOLD || (hdev->dma_mode == 1)) {  in stm32_hash_hmac_dma_send()
500 		err = stm32_hash_write_key(hdev);  in stm32_hash_hmac_dma_send()
501 		if (stm32_hash_wait_busy(hdev))  in stm32_hash_hmac_dma_send()
504 		if (!(hdev->flags & HASH_FLAGS_HMAC_KEY))  in stm32_hash_hmac_dma_send()
508 		rctx->dma_ct = dma_map_sg(hdev->dev, &rctx->sg_key, 1,  in stm32_hash_hmac_dma_send()
511 			dev_err(hdev->dev, "dma_map_sg error\n");  in stm32_hash_hmac_dma_send()
515 		err = stm32_hash_xmit_dma(hdev, &rctx->sg_key, ctx->keylen, 0);  in stm32_hash_hmac_dma_send()
517 		dma_unmap_sg(hdev->dev, &rctx->sg_key, 1, DMA_TO_DEVICE);  in stm32_hash_hmac_dma_send()
523 static int stm32_hash_dma_init(struct stm32_hash_dev *hdev)  in stm32_hash_dma_init()  argument
531 	dma_conf.dst_addr = hdev->phys_base + HASH_DIN;  in stm32_hash_dma_init()
533 	dma_conf.src_maxburst = hdev->dma_maxburst;  in stm32_hash_dma_init()
534 	dma_conf.dst_maxburst = hdev->dma_maxburst;  in stm32_hash_dma_init()
537 	hdev->dma_lch = dma_request_slave_channel(hdev->dev, "in");  in stm32_hash_dma_init()
538 	if (!hdev->dma_lch) {  in stm32_hash_dma_init()
539 		dev_err(hdev->dev, "Couldn't acquire a slave DMA channel.\n");  in stm32_hash_dma_init()
543 	err = dmaengine_slave_config(hdev->dma_lch, &dma_conf);  in stm32_hash_dma_init()
545 		dma_release_channel(hdev->dma_lch);  in stm32_hash_dma_init()
546 		hdev->dma_lch = NULL;  in stm32_hash_dma_init()
547 		dev_err(hdev->dev, "Couldn't configure DMA slave.\n");  in stm32_hash_dma_init()
551 	init_completion(&hdev->dma_completion);  in stm32_hash_dma_init()
556 static int stm32_hash_dma_send(struct stm32_hash_dev *hdev)  in stm32_hash_dma_send()  argument
558 	struct stm32_hash_request_ctx *rctx = ahash_request_ctx(hdev->req);  in stm32_hash_dma_send()
564 	rctx->sg = hdev->req->src;  in stm32_hash_dma_send()
565 	rctx->total = hdev->req->nbytes;  in stm32_hash_dma_send()
572 	stm32_hash_write_ctrl(hdev);  in stm32_hash_dma_send()
574 	if (hdev->flags & HASH_FLAGS_HMAC) {  in stm32_hash_dma_send()
575 		err = stm32_hash_hmac_dma_send(hdev);  in stm32_hash_dma_send()
585 			if (hdev->dma_mode == 1) {  in stm32_hash_dma_send()
603 		rctx->dma_ct = dma_map_sg(hdev->dev, sg, 1,  in stm32_hash_dma_send()
606 			dev_err(hdev->dev, "dma_map_sg error\n");  in stm32_hash_dma_send()
610 		err = stm32_hash_xmit_dma(hdev, sg, len,  in stm32_hash_dma_send()
613 		dma_unmap_sg(hdev->dev, sg, 1, DMA_TO_DEVICE);  in stm32_hash_dma_send()
619 	if (hdev->dma_mode == 1) {  in stm32_hash_dma_send()
620 		if (stm32_hash_wait_busy(hdev))  in stm32_hash_dma_send()
622 		reg = stm32_hash_read(hdev, HASH_CR);  in stm32_hash_dma_send()
625 		stm32_hash_write(hdev, HASH_CR, reg);  in stm32_hash_dma_send()
630 			writesl(hdev->io_base + HASH_DIN, buffer,  in stm32_hash_dma_send()
633 		stm32_hash_set_nblw(hdev, ncp);  in stm32_hash_dma_send()
634 		reg = stm32_hash_read(hdev, HASH_STR);  in stm32_hash_dma_send()
636 		stm32_hash_write(hdev, HASH_STR, reg);  in stm32_hash_dma_send()
640 	if (hdev->flags & HASH_FLAGS_HMAC) {  in stm32_hash_dma_send()
641 		if (stm32_hash_wait_busy(hdev))  in stm32_hash_dma_send()
643 		err = stm32_hash_hmac_dma_send(hdev);  in stm32_hash_dma_send()
651 	struct stm32_hash_dev *hdev = NULL, *tmp;  in stm32_hash_find_dev()  local
654 	if (!ctx->hdev) {  in stm32_hash_find_dev()
656 			hdev = tmp;  in stm32_hash_find_dev()
659 		ctx->hdev = hdev;  in stm32_hash_find_dev()
661 		hdev = ctx->hdev;  in stm32_hash_find_dev()
666 	return hdev;  in stm32_hash_find_dev()
673 	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);  in stm32_hash_dma_aligned_data()  local
680 		if (hdev->dma_mode == 1)  in stm32_hash_dma_aligned_data()
700 	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);  in stm32_hash_init()  local
702 	rctx->hdev = hdev;  in stm32_hash_init()
735 	dev_dbg(hdev->dev, "%s Flags %lx\n", __func__, rctx->flags);  in stm32_hash_init()
740 static int stm32_hash_update_req(struct stm32_hash_dev *hdev)  in stm32_hash_update_req()  argument
742 	return stm32_hash_update_cpu(hdev);  in stm32_hash_update_req()
745 static int stm32_hash_final_req(struct stm32_hash_dev *hdev)  in stm32_hash_final_req()  argument
747 	struct ahash_request *req = hdev->req;  in stm32_hash_final_req()
755 		err = stm32_hash_dma_send(hdev);  in stm32_hash_final_req()
757 		err = stm32_hash_xmit_cpu(hdev, rctx->buffer, buflen, 1);  in stm32_hash_final_req()
787 		hash[i] = be32_to_cpu(stm32_hash_read(rctx->hdev,  in stm32_hash_copy_hash()
806 	struct stm32_hash_dev *hdev = rctx->hdev;  in stm32_hash_finish_req()  local
808 	if (!err && (HASH_FLAGS_FINAL & hdev->flags)) {  in stm32_hash_finish_req()
811 		hdev->flags &= ~(HASH_FLAGS_FINAL | HASH_FLAGS_CPU |  in stm32_hash_finish_req()
820 	pm_runtime_mark_last_busy(hdev->dev);  in stm32_hash_finish_req()
821 	pm_runtime_put_autosuspend(hdev->dev);  in stm32_hash_finish_req()
823 	crypto_finalize_hash_request(hdev->engine, req, err);  in stm32_hash_finish_req()
826 static int stm32_hash_hw_init(struct stm32_hash_dev *hdev,  in stm32_hash_hw_init()  argument
829 	pm_runtime_get_sync(hdev->dev);  in stm32_hash_hw_init()
831 	if (!(HASH_FLAGS_INIT & hdev->flags)) {  in stm32_hash_hw_init()
832 		stm32_hash_write(hdev, HASH_CR, HASH_CR_INIT);  in stm32_hash_hw_init()
833 		stm32_hash_write(hdev, HASH_STR, 0);  in stm32_hash_hw_init()
834 		stm32_hash_write(hdev, HASH_DIN, 0);  in stm32_hash_hw_init()
835 		stm32_hash_write(hdev, HASH_IMR, 0);  in stm32_hash_hw_init()
836 		hdev->err = 0;  in stm32_hash_hw_init()
845 static int stm32_hash_handle_queue(struct stm32_hash_dev *hdev,  in stm32_hash_handle_queue()  argument
848 	return crypto_transfer_hash_request_to_engine(hdev->engine, req);  in stm32_hash_handle_queue()
856 	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);  in stm32_hash_prepare_req()  local
859 	if (!hdev)  in stm32_hash_prepare_req()
862 	hdev->req = req;  in stm32_hash_prepare_req()
866 	dev_dbg(hdev->dev, "processing new req, op: %lu, nbytes %d\n",  in stm32_hash_prepare_req()
869 	return stm32_hash_hw_init(hdev, rctx);  in stm32_hash_prepare_req()
877 	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);  in stm32_hash_one_request()  local
881 	if (!hdev)  in stm32_hash_one_request()
884 	hdev->req = req;  in stm32_hash_one_request()
889 		err = stm32_hash_update_req(hdev);  in stm32_hash_one_request()
891 		err = stm32_hash_final_req(hdev);  in stm32_hash_one_request()
904 	struct stm32_hash_dev *hdev = ctx->hdev;  in stm32_hash_enqueue()  local
908 	return stm32_hash_handle_queue(hdev, req);  in stm32_hash_enqueue()
943 	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);  in stm32_hash_finup()  local
948 	if (hdev->dma_lch && stm32_hash_dma_aligned_data(req))  in stm32_hash_finup()
974 	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);  in stm32_hash_export()  local
978 	pm_runtime_get_sync(hdev->dev);  in stm32_hash_export()
980 	while (!(stm32_hash_read(hdev, HASH_SR) & HASH_SR_DATA_INPUT_READY))  in stm32_hash_export()
989 	*preg++ = stm32_hash_read(hdev, HASH_IMR);  in stm32_hash_export()
990 	*preg++ = stm32_hash_read(hdev, HASH_STR);  in stm32_hash_export()
991 	*preg++ = stm32_hash_read(hdev, HASH_CR);  in stm32_hash_export()
993 		*preg++ = stm32_hash_read(hdev, HASH_CSR(i));  in stm32_hash_export()
995 	pm_runtime_mark_last_busy(hdev->dev);  in stm32_hash_export()
996 	pm_runtime_put_autosuspend(hdev->dev);  in stm32_hash_export()
1007 	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);  in stm32_hash_import()  local
1016 	pm_runtime_get_sync(hdev->dev);  in stm32_hash_import()
1018 	stm32_hash_write(hdev, HASH_IMR, *preg++);  in stm32_hash_import()
1019 	stm32_hash_write(hdev, HASH_STR, *preg++);  in stm32_hash_import()
1020 	stm32_hash_write(hdev, HASH_CR, *preg);  in stm32_hash_import()
1022 	stm32_hash_write(hdev, HASH_CR, reg);  in stm32_hash_import()
1025 		stm32_hash_write(hdev, HASH_CSR(i), *preg++);  in stm32_hash_import()
1027 	pm_runtime_mark_last_busy(hdev->dev);  in stm32_hash_import()
1028 	pm_runtime_put_autosuspend(hdev->dev);  in stm32_hash_import()
1096 	struct stm32_hash_dev *hdev = dev_id;  in stm32_hash_irq_thread()  local
1098 	if (HASH_FLAGS_CPU & hdev->flags) {  in stm32_hash_irq_thread()
1099 		if (HASH_FLAGS_OUTPUT_READY & hdev->flags) {  in stm32_hash_irq_thread()
1100 			hdev->flags &= ~HASH_FLAGS_OUTPUT_READY;  in stm32_hash_irq_thread()
1103 	} else if (HASH_FLAGS_DMA_READY & hdev->flags) {  in stm32_hash_irq_thread()
1104 		if (HASH_FLAGS_DMA_ACTIVE & hdev->flags) {  in stm32_hash_irq_thread()
1105 			hdev->flags &= ~HASH_FLAGS_DMA_ACTIVE;  in stm32_hash_irq_thread()
1114 	stm32_hash_finish_req(hdev->req, 0);  in stm32_hash_irq_thread()
1121 	struct stm32_hash_dev *hdev = dev_id;  in stm32_hash_irq_handler()  local
1124 	reg = stm32_hash_read(hdev, HASH_SR);  in stm32_hash_irq_handler()
1127 		stm32_hash_write(hdev, HASH_SR, reg);  in stm32_hash_irq_handler()
1128 		hdev->flags |= HASH_FLAGS_OUTPUT_READY;  in stm32_hash_irq_handler()
1130 		stm32_hash_write(hdev, HASH_IMR, 0);  in stm32_hash_irq_handler()
1347 static int stm32_hash_register_algs(struct stm32_hash_dev *hdev)  in stm32_hash_register_algs()  argument
1352 	for (i = 0; i < hdev->pdata->algs_info_size; i++) {  in stm32_hash_register_algs()
1353 		for (j = 0; j < hdev->pdata->algs_info[i].size; j++) {  in stm32_hash_register_algs()
1355 				&hdev->pdata->algs_info[i].algs_list[j]);  in stm32_hash_register_algs()
1363 	dev_err(hdev->dev, "Algo %d : %d failed\n", i, j);  in stm32_hash_register_algs()
1367 				&hdev->pdata->algs_info[i].algs_list[j]);  in stm32_hash_register_algs()
1373 static int stm32_hash_unregister_algs(struct stm32_hash_dev *hdev)  in stm32_hash_unregister_algs()  argument
1377 	for (i = 0; i < hdev->pdata->algs_info_size; i++) {  in stm32_hash_unregister_algs()
1378 		for (j = 0; j < hdev->pdata->algs_info[i].size; j++)  in stm32_hash_unregister_algs()
1380 				&hdev->pdata->algs_info[i].algs_list[j]);  in stm32_hash_unregister_algs()
1428 static int stm32_hash_get_of_match(struct stm32_hash_dev *hdev,  in stm32_hash_get_of_match()  argument
1431 	hdev->pdata = of_device_get_match_data(dev);  in stm32_hash_get_of_match()
1432 	if (!hdev->pdata) {  in stm32_hash_get_of_match()
1438 				 &hdev->dma_maxburst)) {  in stm32_hash_get_of_match()
1440 		hdev->dma_maxburst = 0;  in stm32_hash_get_of_match()
1448 	struct stm32_hash_dev *hdev;  in stm32_hash_probe()  local
1453 	hdev = devm_kzalloc(dev, sizeof(*hdev), GFP_KERNEL);  in stm32_hash_probe()
1454 	if (!hdev)  in stm32_hash_probe()
1458 	hdev->io_base = devm_ioremap_resource(dev, res);  in stm32_hash_probe()
1459 	if (IS_ERR(hdev->io_base))  in stm32_hash_probe()
1460 		return PTR_ERR(hdev->io_base);  in stm32_hash_probe()
1462 	hdev->phys_base = res->start;  in stm32_hash_probe()
1464 	ret = stm32_hash_get_of_match(hdev, dev);  in stm32_hash_probe()
1476 					dev_name(dev), hdev);  in stm32_hash_probe()
1482 	hdev->clk = devm_clk_get(&pdev->dev, NULL);  in stm32_hash_probe()
1483 	if (IS_ERR(hdev->clk)) {  in stm32_hash_probe()
1485 			PTR_ERR(hdev->clk));  in stm32_hash_probe()
1486 		return PTR_ERR(hdev->clk);  in stm32_hash_probe()
1489 	ret = clk_prepare_enable(hdev->clk);  in stm32_hash_probe()
1502 	hdev->rst = devm_reset_control_get(&pdev->dev, NULL);  in stm32_hash_probe()
1503 	if (!IS_ERR(hdev->rst)) {  in stm32_hash_probe()
1504 		reset_control_assert(hdev->rst);  in stm32_hash_probe()
1506 		reset_control_deassert(hdev->rst);  in stm32_hash_probe()
1509 	hdev->dev = dev;  in stm32_hash_probe()
1511 	platform_set_drvdata(pdev, hdev);  in stm32_hash_probe()
1513 	ret = stm32_hash_dma_init(hdev);  in stm32_hash_probe()
1518 	list_add_tail(&hdev->list, &stm32_hash.dev_list);  in stm32_hash_probe()
1522 	hdev->engine = crypto_engine_alloc_init(dev, 1);  in stm32_hash_probe()
1523 	if (!hdev->engine) {  in stm32_hash_probe()
1528 	ret = crypto_engine_start(hdev->engine);  in stm32_hash_probe()
1532 	hdev->dma_mode = stm32_hash_read(hdev, HASH_HWCFGR);  in stm32_hash_probe()
1535 	ret = stm32_hash_register_algs(hdev);  in stm32_hash_probe()
1540 		 stm32_hash_read(hdev, HASH_VER), hdev->dma_mode);  in stm32_hash_probe()
1548 	crypto_engine_exit(hdev->engine);  in stm32_hash_probe()
1551 	list_del(&hdev->list);  in stm32_hash_probe()
1554 	if (hdev->dma_lch)  in stm32_hash_probe()
1555 		dma_release_channel(hdev->dma_lch);  in stm32_hash_probe()
1560 	clk_disable_unprepare(hdev->clk);  in stm32_hash_probe()
1567 	static struct stm32_hash_dev *hdev;  in stm32_hash_remove()  local
1570 	hdev = platform_get_drvdata(pdev);  in stm32_hash_remove()
1571 	if (!hdev)  in stm32_hash_remove()
1574 	ret = pm_runtime_get_sync(hdev->dev);  in stm32_hash_remove()
1578 	stm32_hash_unregister_algs(hdev);  in stm32_hash_remove()
1580 	crypto_engine_exit(hdev->engine);  in stm32_hash_remove()
1583 	list_del(&hdev->list);  in stm32_hash_remove()
1586 	if (hdev->dma_lch)  in stm32_hash_remove()
1587 		dma_release_channel(hdev->dma_lch);  in stm32_hash_remove()
1589 	pm_runtime_disable(hdev->dev);  in stm32_hash_remove()
1590 	pm_runtime_put_noidle(hdev->dev);  in stm32_hash_remove()
1592 	clk_disable_unprepare(hdev->clk);  in stm32_hash_remove()
1600 	struct stm32_hash_dev *hdev = dev_get_drvdata(dev);  in stm32_hash_runtime_suspend()  local
1602 	clk_disable_unprepare(hdev->clk);  in stm32_hash_runtime_suspend()
1609 	struct stm32_hash_dev *hdev = dev_get_drvdata(dev);  in stm32_hash_runtime_resume()  local
1612 	ret = clk_prepare_enable(hdev->clk);  in stm32_hash_runtime_resume()
1614 		dev_err(hdev->dev, "Failed to prepare_enable clock\n");  in stm32_hash_runtime_resume()