modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/tools/arch/powerpc/include/asm/barrier.h
..
..
@@ -27,4 +27,20 @@
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 #define rmb()  __asm__ __volatile__ ("sync" : : : "memory")
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 #define wmb()  __asm__ __volatile__ ("sync" : : : "memory")
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+#if defined(__powerpc64__)
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+#define smp_lwsync()	__asm__ __volatile__ ("lwsync" : : : "memory")
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+
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+#define smp_store_release(p, v)			\
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+do {						\
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+	smp_lwsync();				\
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+	WRITE_ONCE(*p, v);			\
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+} while (0)
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+
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+#define smp_load_acquire(p)			\
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+({						\
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+	typeof(*p) ___p1 = READ_ONCE(*p);	\
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+	smp_lwsync();				\
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+	___p1;					\
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+})
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+#endif /* defined(__powerpc64__) */
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 #endif /* _TOOLS_LINUX_ASM_POWERPC_BARRIER_H */