Standby/Deepsleep による低消費電力待機

現在、実装中

[  130.318202] PM: Syncing filesystems ... done.
[  130.321935] PM: Preparing system for standby sleep
[  130.330313] Freezing user space processes ... (elapsed 0.001 seconds) done.
[  130.332050] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[  130.333238] PM: Entering standby sleep
[  130.333266] Suspending console(s) (use no_console_suspend to debug)
[  130.444181] PM: suspend of devices complete after 110.144 msecs
[  130.444851] PM: late suspend of devices complete after 0.656 msecs
[  130.445625] PM: noirq suspend of devices complete after 0.755 msecs
[  130.445680] PM: Successfully put all powerdomains to target state
[  130.445680] PM: Wakeup source UART
[  130.459573] PM: noirq resume of devices complete after 13.731 msecs
[  130.460159] PM: early resume of devices complete after 0.490 msecs
[  130.460633] net eth0: initializing cpsw version 1.12 (0)
[  130.523030] net eth0: phy found, phy addr = 2
[  130.687900] PM: resume of devices complete after 227.718 msecs
[  130.688623] PM: Finishing wakeup.
[  130.688632] Restarting tasks ... done.
[  139.387690] libphy: 4a101000.mdio:02 - Link is Up - 1000/Full

現状、動作・IDLE時 2.7W → STANDBY時 1.0W (FOMA着信待受中、効率75% のACアダプター AC側で計測)