[PATCH V2 1/4] cpufreq: add arm soc generic cpufreq driver
Mark Brown
broonie at opensource.wolfsonmicro.com
Wed Jan 18 22:39:50 EST 2012
On Fri, Dec 16, 2011 at 06:30:59PM +0800, Richard Zhao wrote:
> + if (higher && cpu_reg)
> + regulator_set_voltage(cpu_reg,
> + cpu_volts[index], cpu_volts[index]);
> +
> + ret = clk_set_rate(cpu_clk, freq);
> + if (ret != 0) {
> + printk(KERN_DEBUG "cannot set CPU clock rate\n");
> + return ret;
> + }
> +
> + if (!higher && cpu_reg)
> + regulator_set_voltage(cpu_reg,
> + cpu_volts[index], cpu_volts[index]);
This appears to reintroduce the setting of an exact voltage which I'm
sure was fixed in previous versions of the patch.
> +static struct cpufreq_driver arm_cpufreq_driver = {
> + .flags = CPUFREQ_STICKY,
> + .verify = arm_verify_speed,
> + .target = arm_set_target,
> + .get = arm_get_speed,
> + .init = arm_cpufreq_init,
> + .exit = arm_cpufreq_exit,
> + .name = "arm",
> +};
This code doesn't actually look terribly ARM specific...
> + printk(KERN_INFO "ARM SoC generic CPU frequency driver\n");
Do we need this?
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