[PATCH] cpufreq: fix latency comment in cpufreq.h [Was: Re: [PATCH] AMD Elan SC520 cpufreq driver]

[Dominik Brodowski <linux@dominikbrodowski.net>]

On Mon, Apr 04, 2005 at 01:53:04AM +0200, Eric Piel wrote:
> Sean Young a écrit :
> >-	policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
> >+	policy->cpuinfo.transition_latency = 1000; /* 1ms */
> 
> transition_latency is expressed in nanoseconds, so it should be 1000000.
> I guess the confusion comes from cpufreq.h, where there are two comments 
> about it, one saying it's nanosecond, another one (older) saying it's 
> microseconds. Dominik, maybe this typo should be fixed, do you want me 
> to send a patch?

Nice catch.


Fix up comment in cpufreq.h stating transition latency should be passed
in microseconds -- it was decided long ago to switch to nanoseconds.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

Index: 2.6.12-rc2/include/linux/cpufreq.h
===================================================================
--- 2.6.12-rc2.orig/include/linux/cpufreq.h	2005-03-02 18:23:48.000000000 +0100
+++ 2.6.12-rc2/include/linux/cpufreq.h	2005-04-09 22:19:04.000000000 +0200
@@ -49,7 +49,7 @@
 /* Frequency values here are CPU kHz so that hardware which doesn't run 
  * with some frequencies can complain without having to guess what per 
  * cent / per mille means. 
- * Maximum transition latency is in microseconds - if it's unknown,
+ * Maximum transition latency is in nanoseconds - if it's unknown,
  * CPUFREQ_ETERNAL shall be used.
  */