修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/process/volatile-considered-harmful.rst
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@@ -109,9 +109,9 @@
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 References
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 ==========
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-[1] http://lwn.net/Articles/233481/
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+[1] https://lwn.net/Articles/233481/
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-[2] http://lwn.net/Articles/233482/
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+[2] https://lwn.net/Articles/233482/
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 Credits
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 =======