From: William Qiu <william.qiu@starfivetech.com>
Date: Tue, 25 Oct 2022 07:00:23 +0000 (+0800)
Subject: sec:starfive:add sec runtime PM ops
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5b335802be40faf27e4c6ef7c9c26257a83d1b54;p=platform%2Fkernel%2Flinux-starfive.git

sec:starfive:add sec runtime PM ops

add sec runtime PM ops.

Signed-off-by: William Qiu <william.qiu@starfivetech.com>
---

diff --git a/drivers/crypto/starfive/jh7110/jh7110-aes.c b/drivers/crypto/starfive/jh7110/jh7110-aes.c
index b609174..84174ec 100755
--- a/drivers/crypto/starfive/jh7110/jh7110-aes.c
+++ b/drivers/crypto/starfive/jh7110/jh7110-aes.c
@@ -480,6 +480,8 @@ static int jh7110_cryp_hw_init(struct jh7110_sec_ctx *ctx)
 	int ret;
 	u32 hw_mode;
 
+	pm_runtime_resume_and_get(ctx->sdev->dev);
+
 	jh7110_aes_reset(ctx);
 
 	hw_mode = get_aes_mode(ctx->rctx);
@@ -642,6 +644,9 @@ static void jh7110_cryp_finish_req(struct jh7110_sec_ctx *ctx, int err)
 		free_pages((unsigned long)buf_out, pages);
 	}
 
+	pm_runtime_mark_last_busy(ctx->sdev->dev);
+	pm_runtime_put_autosuspend(ctx->sdev->dev);
+
 	if (is_gcm(rctx) || is_ccm(rctx))
 		crypto_finalize_aead_request(ctx->sdev->engine, rctx->req.areq, err);
 	else
diff --git a/drivers/crypto/starfive/jh7110/jh7110-sec.c b/drivers/crypto/starfive/jh7110/jh7110-sec.c
index afefd27..aa6e54f 100755
--- a/drivers/crypto/starfive/jh7110/jh7110-sec.c
+++ b/drivers/crypto/starfive/jh7110/jh7110-sec.c
@@ -223,6 +223,13 @@ static int jh7110_cryp_probe(struct platform_device *pdev)
 		return PTR_ERR(sdev->sec_ahb);
 	}
 
+	pm_runtime_set_autosuspend_delay(dev, 50);
+	pm_runtime_use_autosuspend(dev);
+
+	pm_runtime_get_noresume(dev);
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+
 	sdev->rst_hresetn = devm_reset_control_get_shared(sdev->dev, "sec_hre");
 	if (IS_ERR(sdev->rst_hresetn)) {
 		dev_err(sdev->dev, "failed to get sec reset\n");
@@ -295,6 +302,8 @@ static int jh7110_cryp_probe(struct platform_device *pdev)
 
 	dev_info(dev, "Initialized\n");
 
+	pm_runtime_put_sync(dev);
+
 	return 0;
  err_algs_pka:
 	jh7110_aes_unregister_algs();
@@ -323,10 +332,15 @@ static int jh7110_cryp_probe(struct platform_device *pdev)
 static int jh7110_cryp_remove(struct platform_device *pdev)
 {
 	struct jh7110_sec_dev *sdev = platform_get_drvdata(pdev);
+	int ret;
 
 	if (!sdev)
 		return -ENODEV;
 
+	ret = pm_runtime_resume_and_get(sdev->dev);
+	if (ret < 0)
+		return ret;
+
 	jh7110_pka_unregister_algs();
 	jh7110_aes_unregister_algs();
 	jh7110_hash_unregister_algs();
@@ -347,8 +361,12 @@ static int jh7110_cryp_remove(struct platform_device *pdev)
 	list_del(&sdev->list);
 	spin_unlock(&dev_list.lock);
 
+	pm_runtime_disable(sdev->dev);
+	pm_runtime_put_noidle(sdev->dev);
+
 	clk_disable_unprepare(sdev->sec_hclk);
 	clk_disable_unprepare(sdev->sec_ahb);
+	reset_control_assert(sdev->rst_hresetn);
 
 	return 0;
 }
@@ -392,6 +410,8 @@ static const struct dev_pm_ops jh7110_cryp_pm_ops = {
 			   jh7110_cryp_runtime_resume, NULL)
 };
 
+
+
 static struct platform_driver jh7110_cryp_driver = {
 	.probe  = jh7110_cryp_probe,
 	.remove = jh7110_cryp_remove,
diff --git a/drivers/crypto/starfive/jh7110/jh7110-sha.c b/drivers/crypto/starfive/jh7110/jh7110-sha.c
index dc4422c..6f678fe 100644
--- a/drivers/crypto/starfive/jh7110/jh7110-sha.c
+++ b/drivers/crypto/starfive/jh7110/jh7110-sha.c
@@ -659,6 +659,8 @@ static int jh7110_hash_cra_init_algs(struct crypto_tfm *tfm,
 	if (algs_hmac_name)
 		ctx->sha_mode |= JH7110_SHA_HMAC_FLAGS;
 
+	pm_runtime_resume_and_get(ctx->sdev->dev);
+
 	ctx->enginectx.op.do_one_request = jh7110_hash_one_request;
 	ctx->enginectx.op.prepare_request = jh7110_hash_prepare_req;
 	ctx->enginectx.op.unprepare_request = NULL;
@@ -672,6 +674,8 @@ static void jh7110_hash_cra_exit(struct crypto_tfm *tfm)
 
 	crypto_free_shash(ctx->fallback.shash);
 
+	pm_runtime_put_sync_suspend(ctx->sdev->dev);
+
 	ctx->fallback.shash = NULL;
 	ctx->enginectx.op.do_one_request = NULL;
 	ctx->enginectx.op.prepare_request = NULL;