Messages in this thread | | | From | Chen-Yu Tsai <> | Date | Mon, 26 May 2014 12:47:30 +0800 | Subject | Re: [PATCH 03/22] clk: sunxi: add "pll6" to sun6i protected clock list |
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On Mon, May 26, 2014 at 2:48 AM, Maxime Ripard <maxime.ripard@free-electrons.com> 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
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