Re: [PATCH] arm: rename CLOCK_TICK_RATE to ARM_TICK_RATE
From: Arnd Bergmann
Date: Wed May 13 2009 - 13:11:44 EST
On Tuesday 12 May 2009, Arnd Bergmann wrote:
> Most of the users of CLOCK_TICK_RATE in the kernel outside
> of ARM assume that it refers to the i8253 base frequency
> of 1.193182 Mhz, while in ARM it actually is the clock
> frequency of the timer.
>
> By renaming it to ARM_TICK_RATE for all arm specific
> device drivers, we can hopefully reduce the amount
> of confusion slightly.
My patch was missing one important change to make this
a nonintrusive change:
--- a/arch/arm/include/asm/timex.h
+++ b/arch/arm/include/asm/timex.h
@@ -14,6 +14,8 @@
#include <mach/timex.h>
+#define CLOCK_TICK_RATE ARM_TICK_RATE
+
typedef unsigned long cycles_t;
static inline cycles_t get_cycles (void)
Arnd <><
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