* Adam Ford <aford173@xxxxxxxxx> [191108 20:03]: > On Wed, Oct 23, 2019 at 9:36 AM Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > My guess is we need to call clk_disable() and call > > ti_bandgap_save_ctxt() on CPU_CLUSTER_PM_ENTER similar to > > what ti_bandgap_suspend does. And then restore it on > > CPU_CLUSTER_PM_EXIT. > > > > There's a similar example already in gpio_omap_cpu_notifier(). > > Not sure if there is some related errata to deal with too, > > probably the old Nokia n900 or n9 would provide some hints > > on what exactly needs to be done. > > I 'think' I have a patch ready that does what you're asking, but I > will fully admit that I don't completely grasp what's going on. > > I'll submit it as an RFC, but I am not even sure I understand what to > put into the description, so if you're OK with reviewing the RFC, feel > free to mark up the actual commit message as well. > > From what I can see, the changes haven't negatively impact stuff. I > didn't see the power consumption go up before, so I am not sure I can > replicate your findings. > > It'll be posted shortly. Yeah seems to do the job, thanks for fixing this issue. Tony
