On 10 June 2014 02:30, Stratos Karafotis <strat...@semaphore.gr> wrote:
> Simplify the code by removing the inline functions
> pstate_increase and pstate_decrease and use directly the
> intel_pstate_set_pstate.
>
> Signed-off-by: Stratos Karafotis <strat...@semaphore.gr>
> ---
> drivers/cpufreq/intel_pstate.c | 26 +++-----------------------
> 1 file changed, 3 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
> index 3a49269..26a0262 100644
> --- a/drivers/cpufreq/intel_pstate.c
> +++ b/drivers/cpufreq/intel_pstate.c
> @@ -588,21 +588,6 @@ static void intel_pstate_set_pstate(struct cpudata *cpu,
> int pstate)
> pstate_funcs.set(cpu, pstate);
> }
>
> -static inline void intel_pstate_pstate_increase(struct cpudata *cpu, int
> steps)
> -{
> - int target;
> - target = cpu->pstate.current_pstate + steps;
> -
> - intel_pstate_set_pstate(cpu, target);
> -}
> -
> -static inline void intel_pstate_pstate_decrease(struct cpudata *cpu, int
> steps)
> -{
> - int target;
> - target = cpu->pstate.current_pstate - steps;
> - intel_pstate_set_pstate(cpu, target);
> -}
> -
> static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
> {
> cpu->pstate.min_pstate = pstate_funcs.get_min();
> @@ -695,20 +680,15 @@ static inline void intel_pstate_calc_scaled_busy(struct
> cpudata *cpu)
> static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu)
> {
> struct _pid *pid;
> - signed int ctl = 0;
> - int steps;
> + signed int ctl;
>
> pid = &cpu->pid;
> intel_pstate_calc_scaled_busy(cpu);
>
> ctl = pid_calc(pid, cpu->sample.busy_scaled);
>
> - steps = abs(ctl);
> -
> - if (ctl < 0)
> - intel_pstate_pstate_increase(cpu, steps);
> - else
> - intel_pstate_pstate_decrease(cpu, steps);
> + /* Negative values of ctl increase the pstate and vice versa */
> + intel_pstate_set_pstate(cpu, cpu->pstate.current_pstate - ctl);
> }
I am not very good at this driver but there is some obvious functional
change here. Earlier we used to pass
'cpu->pstate.current_pstate {-|+} steps' and now you are doing '-ctl' only
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