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Commit 6ec72e61 authored by Randy Dunlap's avatar Randy Dunlap Committed by Jonathan Corbet
Browse files

div64: add missing kernel-doc 



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

Signed-off-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent a1c4d24e

include/asm-generic/div64.h

+14 −0
Original line number Diff line number Diff line
@@ -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;						\

lib/div64.c

+6 −0
Original line number Diff line number Diff line
@@ -60,6 +60,12 @@ 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)

{