Re: [PATCH] clocksource: pass clocksource to read() callback

From: Magnus Damm
Date: Fri Dec 19 2008 - 02:30:48 EST


On Thu, Dec 18, 2008 at 10:56 AM, Andrew Morton
<akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 11 Dec 2008 20:48:02 +0900
> Magnus Damm <magnus.damm@xxxxxxxxx> wrote:
>
>> Pass clocksource pointer to the read() callback for clocksources.
>> This allows us to share the callback between multiple instances.
>
> sparc64 allmodconfig:
>
>
> CHK include/linux/version.h
> CHK include/linux/utsrelease.h
> SYMLINK include/asm -> include/asm-sparc
> CC arch/sparc/kernel/asm-offsets.s
> In file included from include/linux/ktime.h:25,
> from include/linux/timer.h:5,
> from include/linux/clocksource.h:16,
> from /usr/src/devel/arch/sparc/include/asm/timer_64.h:11,
> from /usr/src/devel/arch/sparc/include/asm/timer.h:4,
> from /usr/src/devel/arch/sparc/include/asm/timex_64.h:9,
> from /usr/src/devel/arch/sparc/include/asm/timex.h:4,
> from include/linux/timex.h:170,
> from include/linux/sched.h:54,
> from arch/sparc/kernel/asm-offsets.c:13:
> include/linux/jiffies.h:247:31: warning: "CLOCK_TICK_RATE" is not defined
[lot's of warning snipped]

How about the (unfortunately most likely mangled) patch below? Does it
help? If not then i'll setup a cross compiler.

Dave, do you want me to rework the patch somehow?

Thanks!

/ magnus

--- 0001/arch/sparc/include/asm/timex_64.h
+++ work/arch/sparc/include/asm/timex_64.h 2008-12-19 16:21:53.000000000 +0900
@@ -6,10 +6,10 @@
#ifndef _ASMsparc64_TIMEX_H
#define _ASMsparc64_TIMEX_H

-#include <asm/timer.h>
-
#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */

+#include <asm/timer.h>
+
/* Getting on the cycle counter on sparc64. */
typedef unsigned long cycles_t;
#define get_cycles() tick_ops->get_tick()
--
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