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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/linux/unaligned/generic.h
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@@ -2,6 +2,8 @@
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 #ifndef _LINUX_UNALIGNED_GENERIC_H
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 #define _LINUX_UNALIGNED_GENERIC_H
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+#include <linux/types.h>
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+
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 /*
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  * Cause a link-time error if we try an unaligned access other than
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  * 1,2,4 or 8 bytes long
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@@ -66,4 +68,48 @@
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 	}								\
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 	(void)0; })
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+static inline u32 __get_unaligned_be24(const u8 *p)
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+{
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+	return p[0] << 16 | p[1] << 8 | p[2];
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+}
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+
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+static inline u32 get_unaligned_be24(const void *p)
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+{
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+	return __get_unaligned_be24(p);
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+}
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+
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+static inline u32 __get_unaligned_le24(const u8 *p)
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+{
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+	return p[0] | p[1] << 8 | p[2] << 16;
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+}
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+
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+static inline u32 get_unaligned_le24(const void *p)
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+{
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+	return __get_unaligned_le24(p);
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+}
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+
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+static inline void __put_unaligned_be24(const u32 val, u8 *p)
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+{
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+	*p++ = val >> 16;
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+	*p++ = val >> 8;
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+	*p++ = val;
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+}
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+
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+static inline void put_unaligned_be24(const u32 val, void *p)
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+{
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+	__put_unaligned_be24(val, p);
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+}
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+
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+static inline void __put_unaligned_le24(const u32 val, u8 *p)
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+{
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+	*p++ = val;
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+	*p++ = val >> 8;
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+	*p++ = val >> 16;
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+}
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+
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+static inline void put_unaligned_le24(const u32 val, void *p)
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+{
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+	__put_unaligned_le24(val, p);
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+}
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+
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 #endif /* _LINUX_UNALIGNED_GENERIC_H */