Re: [RFC 3/8] cpufreq: imx6q: Set max suspend_freq to avoid changes during suspend

Viresh Kumar
2017-03-23T04:34:42Z

On 22-03-17, 18:53, Leonard Crestez wrote:
> If the cpufreq driver tries to modify voltage/freq during suspend/resume
> it might need to control an external PMIC via I2C or SPI but those
> devices might be already suspended.
>
> To avoid this scenario we just increase cpufreq to highest setpoint
> before suspend. This issue can easily be triggered by ldo-bypass but in
> theory any regulator set_voltage call can end up having to modify
> external supply voltages.
>
> Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
> ---
> drivers/cpufreq/imx6q-cpufreq.c | 2 ++
> 1 file changed, 2 insertions(+)

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

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viresh