Hello Santosh, On Fri, 28 Jan 2011, Santosh Shilimkar wrote: > On OMAP4, one can explicitly program INACTIVE as the power state of > the logic area inside the power domain. Techincally PD state programmed > to ON and if all the clock domains within the PD are idled, is equivalent > tp PD programmed to INACTIVE and all the clock domains within the PD are > idled. There won't be any power difference in above two. > > Since the CPUIDLE C-states explicitly make use of INACTIVE as a PD > targeted state and also there is some additional latancy involved > with PD INACTIVE vs PD ON, it's better to support it as an explcit > PD state. > > This patch adds the support to allow explicit PD INACTIVE > programming if supported. What does the hardware do when the powerdomain is programmed to INACTIVE? Does it actually force the clockdomains idle? - Paul -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html