Messages in this thread Patch in this message | | | From | Gregory Fong <> | Subject | [PATCH] ARM: Clarify do_div() usage | Date | Mon, 27 Oct 2014 18:29:30 -0700 |
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The comment above do_div() makes it look like the first argument is supposed to be a pointer to the dividend, so add a note to explain further.
Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> --- arch/arm/include/asm/div64.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/arm/include/asm/div64.h b/arch/arm/include/asm/div64.h index 662c7bd..993489f 100644 --- a/arch/arm/include/asm/div64.h +++ b/arch/arm/include/asm/div64.h @@ -14,6 +14,9 @@ * return remainder; * } * + * Note that "*n" does not mean the first argument should be a + * pointer, but rather indicates that the value is modified in-place. + * * In other words, a 64-bit dividend with a 32-bit divisor producing * a 64-bit result and a 32-bit remainder. To accomplish this optimally * we call a special __do_div64 helper with completely non standard -- 1.9.1
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