修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/include/linux/signal.h
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@@ -265,7 +265,6 @@
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 }
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 extern void flush_sigqueue(struct sigpending *queue);
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-extern void flush_task_sigqueue(struct task_struct *tsk);
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 /* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */
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 static inline int valid_signal(unsigned long sig)