mx27 running too slow

Sebastian Andrzej Siewior bigeasy at linutronix.de
Tue Apr 8 09:27:02 PDT 2014


On 04/08/2014 06:22 PM, Fabio Estevam wrote:
>> Calibrating delay loop (skipped), value calculated using timer frequency.. 29.55 BogoMIPS (lpj=147777)
>>
>> Can you inspect code with "git-bisect"?
> 
> This is the result:
> 
> $ git bisect bad
> 1119c84aa3053bd415ba731ada1ecef24c8f82a2 is the first bad commit
> commit 1119c84aa3053bd415ba731ada1ecef24c8f82a2
> Author: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
> Date:   Wed Jan 22 12:35:44 2014 +0100
> 
>     ARM: imx: enable delaytimer on the imx timer
> 
>     The imx can support timer-based delays, so implement this.
>     Skips past jiffy calibration.
> 
>     Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
>     Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
> 

The BogoMIPS output is different and based on the timer clock. The
delay loop now check the timer instead of counting cycles / loops.
The different output is not a bug.

Sebastian



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