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MLK-12861-1 ARM: imx: support runtime clock management on i.mx7d when…
… M4 is enabled For i.MX7D, current runtime clock management code will skip all PLL/PFD/GATE enable/disable when M4 is enabled, this is NOT good for power number in low power idle and audio playback, as M4 only uses one high speed PFD which is from system PLL, it is never disabled runtimely, so we can just enable the hardware operation of PLL/PFD/GATE for A7. Signed-off-by: Anson Huang <[email protected]>
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