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math64: fix kernel-doc return value warnings 

Fix the following kernel-doc warnings by adding a description for return
values of div_[us]64.

	math64.h:126: warning: No description found for return value of 'div_u64'
	math64.h:139: warning: No description found for return value of 'div_s64'

Signed-off-by: Liam Beguin <liambeguin@gmail.com>
Link: https://lore.kernel.org/r/20221118182309.3824530-3-liambeguin@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Liam Beguin 2022-11-18 13:23:09 -05:00 committed by Jonathan Corbet
parent 090f13cac8
commit a898db21cc
1 changed files with 4 additions and 0 deletions
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include/linux/math64.h
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@ -120,6 +120,8 @@ extern s64 div64_s64(s64 dividend, s64 divisor);
* This is the most common 64bit divide and should be used if possible,
* as many 32bit archs can optimize this variant better than a full 64bit
* divide.
*
* Return: dividend / divisor
*/
#ifndef div_u64
static inline u64 div_u64(u64 dividend, u32 divisor)
@ -133,6 +135,8 @@ static inline u64 div_u64(u64 dividend, u32 divisor)
* div_s64 - signed 64bit divide with 32bit divisor
* @dividend: signed 64bit dividend
* @divisor: signed 32bit divisor
*
* Return: dividend / divisor
*/
#ifndef div_s64
static inline s64 div_s64(s64 dividend, s32 divisor)