RE: change cpu_freq

[Martin Margraf <m_margraf@web.de>]

hi minjie,

thanks for the answer.
how is the syntax of this? like "echo scaling_setspeed=value > /sys/devices...." ?

martin

> -----Ursprüngliche Nachricht-----
> Von: "Minjie Lin" <MLin@EmpowerTechnologies.com>
> Gesendet: 15.06.06 20:19:01
> An:  <linux-omap-open-source@linux.omap.com>
> Betreff: RE: change cpu_freq


> Hi Martin,
> 
> You can select userspace governor for cpu_freq and change
> /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed value
> to change the cpu frequency.
> 
> Regards,
> 
> Minjie
>  
> 
> -----Original Message-----
> From:
> linux-omap-open-source-bounces+mlin=empowertechnologies.com@linux.omap.c
> om
> [mailto:linux-omap-open-source-bounces+mlin=empowertechnologies.com@linu
> x.omap.com] On Behalf Of Martin Margraf
> Sent: June 14, 2006 5:34 AM
> To: linux-omap-open-source@linux.omap.com
> Subject: change cpu_freq
> 
> hi,
> 
> how can i change the cpu frequency of my osk5912 using the
> scale_cpu_freq feature of the 2.6.16 kernel? how is the syntax of this? 
> is there a documentation available (except the ones in the documentation
> folder of my linux directory)?
> 
> my next question is, how can i read/write to the regs of the omap5912? 
> during using 2.4 kernel i was able to access the regs directly with a
> module. but now with 2.6 kernel i get a segmentation fault. maybe
> someone can help me?
> 
> regards
> 
> martin
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