Re: ideas about idle loop and power management

2014-09-23 Thread Ran Shalit
On Tue, Sep 23, 2014 at 11:37 PM, Tony Lindgren wrote: > * Ran Shalit [140923 12:24]: >> Hello, >> >> I have a system which is required to have 2 modes operation: >> 1. idle - in which devices in Soc and on board should be off. >> 2. active mode > > Hmm we do this already with the mainline kernel

Re: ideas about idle loop and power management

2014-09-23 Thread Tony Lindgren
* Ran Shalit [140923 12:24]: > Hello, > > I have a system which is required to have 2 modes operation: > 1. idle - in which devices in Soc and on board should be off. > 2. active mode Hmm we do this already with the mainline kernel since v3.16-rc6 for device tree based systems too. Some devices

ideas about idle loop and power management

2014-09-23 Thread Ran Shalit
Hello, I have a system which is required to have 2 modes operation: 1. idle - in which devices in Soc and on board should be off. 2. active mode Moving from idle to active on interrupt, and moving from active to idle when there is inactivity. After reading and re-reading about PM various mechanis