Tony Lindgren <tony@xxxxxxxxxxx> writes: > * Pali Rohár <pali.rohar@xxxxxxxxx> [160124 12:24]: >> Hello, >> >> make menuconfig allows me to choose "OMAP PM layer selection" and the >> only one option is CONFIG_OMAP_PM_NOOP "No-op/debug PM layer". >> >> What does it mean? Power manager is noop? >> >> I see that it has only two corresponding files in mainline kernel: >> arch/arm/mach-omap2/omap-pm.h >> arch/arm/mach-omap2/omap-pm-noop.c >> >> Nokia's kernels (for N900 and N950) had also: >> arch/arm/mach-omap2/omap-pm-srf.c >> >> Can somebody explain it what happened with omap power management? >> >> Looks like that omap-pm.h provides some API, but the only implementation >> is noop which do nothing. > > I believe none of that is needed any longer in mainline. > > Kevin, care to descrbibe what should be done here? We had created the OMAP PM layer as a pluggable layer where we could experiment with different approaches for adding constratints, etc. I can't remember anymore what all was in there, but we gutted most of it after switching to runtime PM. The SRF was a "shared resource framework" that came out of a TI kernel that was never accepted upstream either, but was one of the implementation of the OMAP PM layer. Kevin -- 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
