[PATCH v1 1/2] math64: favor kernel-doc from header files

From: Liam Beguin
Date: Wed Nov 16 2022 - 21:36:03 EST


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@xxxxxxxxx>
---
Documentation/core-api/kernel-api.rst | 3 ---
include/linux/math64.h | 12 ++++++------
lib/math/div64.c | 15 ++-------------
3 files changed, 8 insertions(+), 22 deletions(-)

diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst
index 06f4ab122697..c9412eb85552 100644
--- a/Documentation/core-api/kernel-api.rst
+++ b/Documentation/core-api/kernel-api.rst
@@ -171,9 +171,6 @@ 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:

diff --git a/include/linux/math64.h b/include/linux/math64.h
index a14f40de1dca..1538844fcb51 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -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
diff --git a/lib/math/div64.c b/lib/math/div64.c
index 46866394fc84..55a81782e271 100644
--- a/lib/math/div64.c
+++ b/lib/math/div64.c
@@ -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)
{

base-commit: 59d0d52c30d4991ac4b329f049cc37118e00f5b0
--
2.37.1.223.g6a475b71f8c4