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SubjectRe: [PATCH v4 4/7] cpufreq: add driver for Raspberry Pi
On 12-06-19, 20:24, Nicolas Saenz Julienne wrote:
> Raspberry Pi's firmware offers and interface though which update it's
> performance requirements. It allows us to request for specific runtime
> frequencies, which the firmware might or might not respect, depending on
> the firmware configuration and thermals.
> As the maximum and minimum frequencies are configurable in the firmware
> there is no way to know in advance their values. So the Raspberry Pi
> cpufreq driver queries them, builds an opp frequency table to then
> launch cpufreq-dt.
> Also, as the firmware interface might be configured as a module, making
> the cpu clock unavailable during init, this implements a full fledged
> driver, as opposed to most drivers registering cpufreq-dt, which only
> make use of an init routine.
> Signed-off-by: Nicolas Saenz Julienne <>
> Acked-by: Eric Anholt <>
> Reviewed-by: Stephen Boyd <>

Applied. Thanks.


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