add at24 driver

hc

2023-11-06 15ade055295d13f95d49e3d99b09f3bbfb4a43e7

 kernel/drivers/crypto/rockchip/rk_crypto_core.c
..
..
@@ -281,9 +281,11 @@
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 static irqreturn_t rk_crypto_irq_handle(int irq, void *dev_id)
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 {
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 	struct rk_crypto_dev *rk_dev  = platform_get_drvdata(dev_id);
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-	struct rk_alg_ctx *alg_ctx = rk_alg_ctx_cast(rk_dev->async_req);
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+	struct rk_alg_ctx *alg_ctx;
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 	spin_lock(&rk_dev->lock);
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+
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+	alg_ctx = rk_alg_ctx_cast(rk_dev->async_req);
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 	rk_dev->stat.irq_cnt++;
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..
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@@ -390,23 +392,22 @@
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 	struct crypto_async_request *async_req, *backlog;
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 	unsigned long flags;
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+	spin_lock_irqsave(&rk_dev->lock, flags);
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 	if (rk_dev->async_req) {
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 		dev_err(rk_dev->dev, "%s: Unexpected crypto paths.\n", __func__);
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-		return;
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+		goto exit;
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 	}
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 	rk_dev->err = 0;
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-	spin_lock_irqsave(&rk_dev->lock, flags);
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+
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 	backlog   = crypto_get_backlog(&rk_dev->queue);
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 	async_req = crypto_dequeue_request(&rk_dev->queue);
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 	if (!async_req) {
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 		rk_dev->busy = false;
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-		spin_unlock_irqrestore(&rk_dev->lock, flags);
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-		return;
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+		goto exit;
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 	}
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 	rk_dev->stat.dequeue_cnt++;
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-	spin_unlock_irqrestore(&rk_dev->lock, flags);
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 	if (backlog) {
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 		backlog->complete(backlog, -EINPROGRESS);
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@@ -417,12 +418,26 @@
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 	rk_dev->err = rk_start_op(rk_dev);
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 	if (rk_dev->err)
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 		rk_complete_op(rk_dev, rk_dev->err);
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+
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+exit:
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+	spin_unlock_irqrestore(&rk_dev->lock, flags);
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 }
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 static void rk_crypto_done_task_cb(unsigned long data)
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 {
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 	struct rk_crypto_dev *rk_dev = (struct rk_crypto_dev *)data;
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-	struct rk_alg_ctx *alg_ctx = rk_alg_ctx_cast(rk_dev->async_req);
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+	struct rk_alg_ctx *alg_ctx;
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+	unsigned long flags;
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+
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+	spin_lock_irqsave(&rk_dev->lock, flags);
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+
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+	if (!rk_dev->async_req) {
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+		dev_err(rk_dev->dev, "done task receive invalid async_req\n");
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+		spin_unlock_irqrestore(&rk_dev->lock, flags);
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+		return;
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+	}
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+
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+	alg_ctx = rk_alg_ctx_cast(rk_dev->async_req);
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 	rk_dev->stat.done_cnt++;
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443
 
..
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@@ -440,9 +455,12 @@
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 	if (rk_dev->err)
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 		goto exit;
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+	spin_unlock_irqrestore(&rk_dev->lock, flags);
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+
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 	return;
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 exit:
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 	rk_complete_op(rk_dev, rk_dev->err);
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+	spin_unlock_irqrestore(&rk_dev->lock, flags);
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 }
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465
 
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 static struct rk_crypto_algt *rk_crypto_find_algs(struct rk_crypto_dev *rk_dev,
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@@ -663,6 +681,12 @@
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 static const struct of_device_id crypto_of_id_table[] = {
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 #if IS_ENABLED(CONFIG_CRYPTO_DEV_ROCKCHIP_V3)
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+	/* crypto v4 in belows same with crypto-v3*/
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+	{
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+		.compatible = "rockchip,crypto-v4",
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+		.data = (void *)&cryto_v3_soc_data,
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+	},
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+
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 	/* crypto v3 in belows */
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 	{
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 		.compatible = "rockchip,crypto-v3",