On Mon, May 26, 2014 at 2:48 AM, Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote: > On Fri, May 23, 2014 at 03:51:06PM +0800, Chen-Yu Tsai wrote: >> PLL6 is used by some important but undocumented module, most likely >> memory related, such as mbus or the actual memory controller. As we >> do not have a driver for that, add pll6 to the list of protected >> clocks, so that it won't be disabled and leave us with a non-responsive >> system. > > What issue have you seen? Completely unresponsive after PLL6 is gated (on the A23). > The system actually works pretty great on the A31. Does it work when there aren't any other PLL6 consumers? Maybe the boot0 on A31 and A23 setup some DRAM-related modules differently. If the A31 works without protecting PLL6, I'll add a separate list for the A23. Thanks, ChenYu -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html