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Powerdown mode in ARM - Linux #10

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aolofsson opened this issue Apr 14, 2014 · 1 comment
Open

Powerdown mode in ARM - Linux #10

aolofsson opened this issue Apr 14, 2014 · 1 comment

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@aolofsson
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We need to bring the standby power down for the Parallella to make sure people don't burn up the board just by turning it on. Can we try turning on the following features in parallella_defconfig and check the effect?

CONFIG_CPU_IDLE
CONFIG_CPU_IDLE_GOV_LADDER
CONFIG_CPU_IDLE_GOV_MENU

http://www.wiki.xilinx.com/Zynq+Power+Management
@kgugala
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kgugala commented Apr 15, 2014

I added this cpu_idle_pm to the parallella_defconfig.
During the tests I didn't see any difference in power consumption either with this option enabled or not.

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@aolofsson @kgugala