Hi Jean, Jean Pihet <jean.pihet@xxxxxxxxxxxxxx> writes: [...] >> Based on a very quick look, I'd say the original patch 3db11fe is broken. >> I don't see how it can ensure that its PM_QOS_CPU_DMA_LATENCY request is >> honored when CONFIG_CPU_IDLE=n. CONFIG_CPU_IDLE=n is the default for >> omap2plus_defconfig. > > Withtout CPU_IDLE set the PM QoS has no influence on the power domains states. Exactly, which means there is *no* constraint set when CPUidle is disabled, and it's exactly this that is different from the behavior before your patch. Before your patch, the constraint would be set whether or not CPUidle was enabled, correct? The solution to this will probably be to make OMAPs non-CPUidle idle path check the constraints. 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