Re: Nokia N900: Proper C-states

From	Pali Rohár <pali.rohar@gmail.com>
Newsgroups	linux.kernel
Subject	Re: Nokia N900: Proper C-states
Date	2016-02-15 11:20 +0100
Message-ID	<r2oq6-7YN-13@gated-at.bofh.it> (permalink)
References	(1 earlier) <qMCx4-5l2-15@gated-at.bofh.it> <r0iRQ-678-13@gated-at.bofh.it> <r0jXA-76q-23@gated-at.bofh.it> <r112y-23q-3@gated-at.bofh.it> <r13xo-3yp-13@gated-at.bofh.it>
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On Thursday 11 February 2016 09:47:50 Tony Lindgren wrote:
> * Pali Rohár <pali.rohar@gmail.com> [160211 07:03]:
> > > On 02/09/2016 04:56 PM, Tony Lindgren wrote:
> > > >I'm almost certain those values are not n900 specific but should be
> > > >used for omap3430 in general.
> > 
> > cpuidle parameters for Nokia N900 were added by this commit:
> > 
> > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5a1b1d3a9efad6bd53d01ff02e86626d1a51d697
> > 
> > which says:
> > 
> > Numbers based on measurements made in October 2009 for PM optimized
> > kernel with CPU freq enabled.
> > 
> > Tony, do you have any other omap3430 device?
> 
> Yes I can make sure it works for omap3-ldp for a minimal case.
> That's a 3430 ES 3.0 that's a GP SoC.
> 
> Regards,
> 
> Tony

Ok. If it works and you think those values are not Nokia N900 specific,
but omap3430, we can add them into kernel.

Do you want me to prepare patch? Or will you do it?

-- 
Pali Rohár
pali.rohar@gmail.com

Thread

Re: Nokia N900: Proper C-states Tony Lindgren <tony@atomide.com> - 2016-02-09 17:00 +0100
  Re: Nokia N900: Proper C-states Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-02-09 18:10 +0100
    Re: Nokia N900: Proper C-states Pali Rohár <pali.rohar@gmail.com> - 2016-02-11 16:10 +0100
      Re: Nokia N900: Proper C-states Tony Lindgren <tony@atomide.com> - 2016-02-11 18:50 +0100
        Re: Nokia N900: Proper C-states Pali Rohár <pali.rohar@gmail.com> - 2016-02-15 11:20 +0100
          Re: Nokia N900: Proper C-states Tony Lindgren <tony@atomide.com> - 2016-02-15 16:30 +0100
            [PATCH] omap3: Add cpuidle parameters table for omap3430 Pali Rohár <pali.rohar@gmail.com> - 2016-02-15 19:10 +0100
              Re: [PATCH] omap3: Add cpuidle parameters table for omap3430 Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-02-16 11:10 +0100
                Re: [PATCH] omap3: Add cpuidle parameters table for omap3430 Pali Rohár <pali.rohar@gmail.com> - 2016-02-16 11:10 +0100
                Re: [PATCH] omap3: Add cpuidle parameters table for omap3430 Tony Lindgren <tony@atomide.com> - 2016-02-16 17:10 +0100
                Re: [PATCH] omap3: Add cpuidle parameters table for omap3430 Tony Lindgren <tony@atomide.com> - 2016-02-19 19:40 +0100
      Re: Nokia N900: Proper C-states Pali Rohár <pali.rohar@gmail.com> - 2016-02-15 11:20 +0100

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