On 08/19/2016 12:26 AM, Gautham R. Shenoy wrote: > From: "Gautham R. Shenoy" <e...@linux.vnet.ibm.com> > > Currently all the idle states registered by a cpu-idle driver are > enabled by default. This patch adds a mechanism which allows the > driver to hint if an idle-state should start in a disabled state. The > cpu-idle core will use this hint to appropriately initialize the > usage->disable knob of the CPU device idle state.
Why do you need to do that ? > The state can be enabled at run time by echo'ing a zero to the sysfs > "disable" control file. ... for each cpu. -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog
