add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

 kernel/drivers/block/zram/zcomp.h
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@@ -14,6 +14,7 @@
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 	/* compression/decompression buffer */
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 	void *buffer;
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 	struct crypto_comp *tfm;
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+	spinlock_t zcomp_lock;
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 };
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 /* dynamic per-device compression frontend */