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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/char/hw_random/iproc-rng200.c
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@@ -181,7 +181,6 @@
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 static int iproc_rng200_probe(struct platform_device *pdev)
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 {
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 	struct iproc_rng200_dev *priv;
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-	struct resource *res;
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 	struct device *dev = &pdev->dev;
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 	int ret;
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@@ -190,22 +189,16 @@
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 		return -ENOMEM;
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 	/* Map peripheral */
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	if (!res) {
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-		dev_err(dev, "failed to get rng resources\n");
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-		return -EINVAL;
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-	}
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-
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-	priv->base = devm_ioremap_resource(dev, res);
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+	priv->base = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(priv->base)) {
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 		dev_err(dev, "failed to remap rng regs\n");
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 		return PTR_ERR(priv->base);
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 	}
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-	priv->rng.name = "iproc-rng200",
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-	priv->rng.read = iproc_rng200_read,
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-	priv->rng.init = iproc_rng200_init,
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-	priv->rng.cleanup = iproc_rng200_cleanup,
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+	priv->rng.name = "iproc-rng200";
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+	priv->rng.read = iproc_rng200_read;
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+	priv->rng.init = iproc_rng200_init;
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+	priv->rng.cleanup = iproc_rng200_cleanup;
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 	/* Register driver */
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 	ret = devm_hwrng_register(dev, &priv->rng);
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@@ -220,6 +213,8 @@
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 }
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 static const struct of_device_id iproc_rng200_of_match[] = {
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+	{ .compatible = "brcm,bcm2711-rng200", },
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+	{ .compatible = "brcm,bcm7211-rng200", },
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 	{ .compatible = "brcm,bcm7278-rng200", },
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 	{ .compatible = "brcm,iproc-rng200", },
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 	{},