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2024-11-01 7e970c18f85f99acc678d90128b6e01dce1bf273

 kernel/drivers/base/regmap/internal.h
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@@ -50,7 +50,10 @@
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 	union {
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 		struct mutex mutex;
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 		struct {
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-			spinlock_t spinlock;
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+			union {
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+				spinlock_t spinlock;
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+				hard_spinlock_t oob_lock;
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+			};
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 			unsigned long spinlock_flags;
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 		};
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 	};