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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/char/hw_random/nomadik-rng.c
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@@ -1,11 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Nomadik RNG support
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  *  Copyright 2009 Alessandro Rubini
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; either version 2 of the License, or
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- *  (at your option) any later version.
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  */
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 #include <linux/kernel.h>
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@@ -61,7 +57,7 @@
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 	if (!base)
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 		goto out_release;
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 	nmk_rng.priv = (unsigned long)base;
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-	ret = hwrng_register(&nmk_rng);
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+	ret = devm_hwrng_register(&dev->dev, &nmk_rng);
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 	if (ret)
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 		goto out_release;
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 	return 0;
..
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@@ -69,19 +65,17 @@
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 out_release:
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 	amba_release_regions(dev);
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 out_clk:
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-	clk_disable(rng_clk);
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+	clk_disable_unprepare(rng_clk);
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 	return ret;
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 }
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-static int nmk_rng_remove(struct amba_device *dev)
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+static void nmk_rng_remove(struct amba_device *dev)
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 {
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-	hwrng_unregister(&nmk_rng);
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 	amba_release_regions(dev);
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-	clk_disable(rng_clk);
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-	return 0;
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+	clk_disable_unprepare(rng_clk);
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 }
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-static struct amba_id nmk_rng_ids[] = {
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+static const struct amba_id nmk_rng_ids[] = {
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 	{
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 		.id	= 0x000805e1,
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 		.mask	= 0x000fffff, /* top bits are rev and cfg: accept all */