add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/include/asm-generic/bitops/atomic.h
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@@ -11,19 +11,19 @@
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  * See Documentation/atomic_bitops.txt for details.
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  */
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-static inline void set_bit(unsigned int nr, volatile unsigned long *p)
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+static __always_inline void set_bit(unsigned int nr, volatile unsigned long *p)
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 {
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 	p += BIT_WORD(nr);
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 	atomic_long_or(BIT_MASK(nr), (atomic_long_t *)p);
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 }
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-static inline void clear_bit(unsigned int nr, volatile unsigned long *p)
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+static __always_inline void clear_bit(unsigned int nr, volatile unsigned long *p)
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 {
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 	p += BIT_WORD(nr);
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 	atomic_long_andnot(BIT_MASK(nr), (atomic_long_t *)p);
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 }
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-static inline void change_bit(unsigned int nr, volatile unsigned long *p)
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+static __always_inline void change_bit(unsigned int nr, volatile unsigned long *p)
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 {
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 	p += BIT_WORD(nr);
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 	atomic_long_xor(BIT_MASK(nr), (atomic_long_t *)p);
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@@ -35,9 +35,6 @@
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 	unsigned long mask = BIT_MASK(nr);
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 	p += BIT_WORD(nr);
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-	if (READ_ONCE(*p) & mask)
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-		return 1;
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-
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 	old = atomic_long_fetch_or(mask, (atomic_long_t *)p);
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 	return !!(old & mask);
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 }
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@@ -48,9 +45,6 @@
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 	unsigned long mask = BIT_MASK(nr);
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 	p += BIT_WORD(nr);
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-	if (!(READ_ONCE(*p) & mask))
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-		return 0;
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-
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 	old = atomic_long_fetch_andnot(mask, (atomic_long_t *)p);
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 	return !!(old & mask);
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 }