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div64: add missing kernel-doc

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Add missing kernel-doc notation for 2 div() functions.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Randy Dunlap 2017-09-30 08:43:42 -07:00 • committed by Jonathan Corbet
parent a1c4d24e02
commit 6ec72e61cb
2 changed files with 20 additions and 0 deletions
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14
include/asm-generic/div64.h
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@ -25,6 +25,20 @@
#if BITS_PER_LONG == 64
/**
* do_div - returns 2 values: calculate remainder and update new dividend
* @n: pointer to uint64_t dividend (will be updated)
* @base: uint32_t divisor
*
* Summary:
* ``uint32_t remainder = *n % base;``
* ``*n = *n / base;``
*
* Return: (uint32_t)remainder
*
* NOTE: macro parameter @n is evaluated multiple times,
* beware of side effects!
*/
# define do_div(n,base) ({ \
uint32_t __base = (base); \
uint32_t __rem; \