On 08/12/14 12:43, Lina Iyer wrote: > This is version #2 of the patches for cpuidle driver and its dependencies. > > Changes from version #1/RFC: > > - Remove hotplug from the patch series. Will submit it seprately. > - Fix SPM drivers per the review comments > - Modify patch sequence to compile SPM drivers independent of msm-pm, so as to > allow wfi() calls to use SPM even without SoC interface driver. > > 8074 like any ARM SoC can do architectural clock gating, that helps save on > power, but not enough of leakage power. Leakage power of the SoC can be > further reduced by turning off power to the core. To aid this, every core (cpu > and L2) is accompanied by a Sub-system Power Manager (SPM), that can be > configured to indicate the low power mode, the core would be put into and the > SPM programs the peripheral h/w accordingly to enter low power and turn off the > power rail to the core. > General question before I go diving into the code, can this code use the pending generic cpuidle state bindings[1]? Last I saw those bindings looked pretty good. [1] http://lwn.net/Articles/606080/ -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
