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math64: favor kernel-doc from header files

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Fix the kernel-doc markings for div64 functions to point to the header
file instead of the lib/ directory.  This avoids having implementation
specific comments in generic documentation.  Furthermore, given that
some kernel-doc comments are identical, drop them from lib/math64 and
only keep there comments that add implementation details.

Signed-off-by: Liam Beguin <liambeguin@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20221118182309.3824530-1-liambeguin@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Liam Beguin 2022-11-18 13:23:07 -05:00 committed by Jonathan Corbet
parent 1f050e904d
commit d28a1de5d1
3 changed files with 8 additions and 22 deletions
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3
Documentation/core-api/kernel-api.rst
View File

@ -165,9 +165,6 @@ Division Functions
.. kernel-doc:: include/linux/math64.h
:internal:
.. kernel-doc:: lib/math/div64.c
:functions: div_s64_rem div64_u64_rem div64_u64 div64_s64
.. kernel-doc:: lib/math/gcd.c
:export:

12
include/linux/math64.h
View File

@ -29,7 +29,7 @@ static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
return dividend / divisor;
}
/*
/**
* div_s64_rem - signed 64bit divide with 32bit divisor with remainder
* @dividend: signed 64bit dividend
* @divisor: signed 32bit divisor
@ -43,7 +43,7 @@ static inline s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder)
return dividend / divisor;
}
/*
/**
* div64_u64_rem - unsigned 64bit divide with 64bit divisor and remainder
* @dividend: unsigned 64bit dividend
* @divisor: unsigned 64bit divisor
@ -57,7 +57,7 @@ static inline u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder)
return dividend / divisor;
}
/*
/**
* div64_u64 - unsigned 64bit divide with 64bit divisor
* @dividend: unsigned 64bit dividend
* @divisor: unsigned 64bit divisor
@ -69,7 +69,7 @@ static inline u64 div64_u64(u64 dividend, u64 divisor)
return dividend / divisor;
}
/*
/**
* div64_s64 - signed 64bit divide with 64bit divisor
* @dividend: signed 64bit dividend
* @divisor: signed 64bit divisor
@ -300,7 +300,7 @@ u64 mul_u64_u64_div_u64(u64 a, u64 mul, u64 div);
#define DIV64_U64_ROUND_CLOSEST(dividend, divisor) \
({ u64 _tmp = (divisor); div64_u64((dividend) + _tmp / 2, _tmp); })
/*
/**
* DIV_U64_ROUND_CLOSEST - unsigned 64bit divide with 32bit divisor rounded to nearest integer
* @dividend: unsigned 64bit dividend
* @divisor: unsigned 32bit divisor
@ -313,7 +313,7 @@ u64 mul_u64_u64_div_u64(u64 a, u64 mul, u64 div);
#define DIV_U64_ROUND_CLOSEST(dividend, divisor) \
({ u32 _tmp = (divisor); div_u64((u64)(dividend) + _tmp / 2, _tmp); })
/*
/**
* DIV_S64_ROUND_CLOSEST - signed 64bit divide with 32bit divisor rounded to nearest integer
* @dividend: signed 64bit dividend
* @divisor: signed 32bit divisor

15
lib/math/div64.c
View File

@ -63,12 +63,6 @@ uint32_t __attribute__((weak)) __div64_32(uint64_t *n, uint32_t base)
EXPORT_SYMBOL(__div64_32);
#endif
/**
* div_s64_rem - signed 64bit divide with 64bit divisor and remainder
* @dividend: 64bit dividend
* @divisor: 64bit divisor
* @remainder: 64bit remainder
*/
#ifndef div_s64_rem
s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder)
{
@ -89,7 +83,7 @@ s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder)
EXPORT_SYMBOL(div_s64_rem);
#endif
/**
/*
* div64_u64_rem - unsigned 64bit divide with 64bit divisor and remainder
* @dividend: 64bit dividend
* @divisor: 64bit divisor
@ -129,7 +123,7 @@ u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder)
EXPORT_SYMBOL(div64_u64_rem);
#endif
/**
/*
* div64_u64 - unsigned 64bit divide with 64bit divisor
* @dividend: 64bit dividend
* @divisor: 64bit divisor
@ -163,11 +157,6 @@ u64 div64_u64(u64 dividend, u64 divisor)
EXPORT_SYMBOL(div64_u64);
#endif
/**
* div64_s64 - signed 64bit divide with 64bit divisor
* @dividend: 64bit dividend
* @divisor: 64bit divisor
*/
#ifndef div64_s64
s64 div64_s64(s64 dividend, s64 divisor)
{