Icenowy Zheng 790d929b54 clk: sunxi-ng: fix PLL_CPUX adjusting on A33
When adjusting PLL_CPUX on A33, the PLL is temporarily driven too high,
and the system hangs.

Add a notifier to avoid this situation by temporarily switching to a
known stable 24 MHz oscillator.

Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2017-01-02 22:24:55 +01:00
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