[PATCH] ARM: Clarify do_div() usage
From: Gregory Fong <hidden>
Date: 2014-10-28 01:30:42
Also in:
lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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 <redacted> --- 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