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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/lib/clz_ctz.c
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@@ -1,11 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * lib/clz_ctz.c
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  *
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  * Copyright (C) 2013 Chanho Min <chanho.min@lge.com>
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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 version 2 as
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- * published by the Free Software Foundation.
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  * The functions in this file aren't called directly, but are required by
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  * GCC builtins such as __builtin_ctz, and therefore they can't be removed
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  * despite appearing unreferenced in kernel source.
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@@ -30,36 +28,16 @@
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 }
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 EXPORT_SYMBOL(__clzsi2);
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-int __weak __clzdi2(long val);
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-int __weak __ctzdi2(long val);
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-#if BITS_PER_LONG == 32
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-
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-int __weak __clzdi2(long val)
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+int __weak __clzdi2(u64 val);
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+int __weak __clzdi2(u64 val)
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 {
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-	return 32 - fls((int)val);
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+	return 64 - fls64(val);
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 }
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 EXPORT_SYMBOL(__clzdi2);
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-int __weak __ctzdi2(long val)
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+int __weak __ctzdi2(u64 val);
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+int __weak __ctzdi2(u64 val)
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 {
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-	return __ffs((u32)val);
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+	return __ffs64(val);
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 }
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 EXPORT_SYMBOL(__ctzdi2);
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-
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-#elif BITS_PER_LONG == 64
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-
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-int __weak __clzdi2(long val)
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-{
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-	return 64 - fls64((u64)val);
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-}
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-EXPORT_SYMBOL(__clzdi2);
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-
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-int __weak __ctzdi2(long val)
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-{
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-	return __ffs64((u64)val);
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-}
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-EXPORT_SYMBOL(__ctzdi2);
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-
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-#else
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-#error BITS_PER_LONG not 32 or 64
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-#endif