add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/powerpc/include/asm/user.h
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@@ -31,7 +31,7 @@
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  *	to write an integer number of pages.
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  */
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 struct user {
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-	struct pt_regs	regs;			/* entire machine state */
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+	struct user_pt_regs regs;		/* entire machine state */
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 	size_t		u_tsize;		/* text size (pages) */
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 	size_t		u_dsize;		/* data size (pages) */
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 	size_t		u_ssize;		/* stack size (pages) */