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asm-generic/div64: Fix documentation of do_div() parameter 

Contrary to the description, the first parameter (n) should not be passed
as a pointer, but directly as an lvalue. This is possible because do_div() is
a macro.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lkml.kernel.org/r/20190808181948.27659-1-j.neuschaefer@gmx.net
This commit is contained in:
Jonathan Neuschäfer 2019-08-08 20:19:48 +02:00 committed by Thomas Gleixner
parent a55aa89aab
commit e8e4eb0fbe
1 changed files with 3 additions and 3 deletions
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6
include/asm-generic/div64.h
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@ -28,12 +28,12 @@
/**
* do_div - returns 2 values: calculate remainder and update new dividend
* @n: pointer to uint64_t dividend (will be updated)
* @n: uint64_t dividend (will be updated)
* @base: uint32_t divisor
*
* Summary:
* ``uint32_t remainder = *n % base;``
* ``*n = *n / base;``
* ``uint32_t remainder = n % base;``
* ``n = n / base;``
*
* Return: (uint32_t)remainder
*