Re: [PATCH 6/6 v6] cpufreq, highbank: add support for highbankcpufreq

[Shawn Guo]

On Tue, Nov 27, 2012 at 02:04:32PM -0600, Mark Langsdorf wrote:
> Highbank processors depend on the external ECME to perform voltage
> management based on a requested frequency. Communication between the
> A9 cores and the ECME happens over the pl320 IPC channel.

...

> +static int hb_voltage_change(unsigned int freq)
> +{
> +	int i;
> +	u32 msg[7];
> +
> +	msg[0] = HB_CPUFREQ_CHANGE_NOTE;
> +	msg[1] = freq / 1000;
> +	for (i = 2; i < 7; i++)
> +		msg[i] = 0;
> +
> +	return pl320_ipc_transmit(msg);

Is it possible to have this handled inside clk_set_rate() call of cpu
clock?

Shawn

> +}

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