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Merge back earlier cpufreq material for v4.3.

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This commit is contained in:
Rafael J. Wysocki
2015-07-28 17:21:32 +02:00
parent 559ed40752 454d3a2500
commit c6e53c69ef
15 changed files with 341 additions and 272 deletions
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11
drivers/cpufreq/intel_pstate.c
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@@ -484,12 +484,11 @@ static void __init intel_pstate_sysfs_expose_params(void)
}
/************************** sysfs end ************************/
static void intel_pstate_hwp_enable(void)
static void intel_pstate_hwp_enable(struct cpudata *cpudata)
{
hwp_active++;
pr_info("intel_pstate: HWP enabled\n");
wrmsrl( MSR_PM_ENABLE, 0x1);
wrmsrl_on_cpu(cpudata->cpu, MSR_PM_ENABLE, 0x1);
}
static int byt_get_min_pstate(void)
@@ -933,6 +932,10 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
cpu = all_cpu_data[cpunum];
cpu->cpu = cpunum;
if (hwp_active)
intel_pstate_hwp_enable(cpu);
intel_pstate_get_cpu_pstates(cpu);
init_timer_deferrable(&cpu->timer);
@@ -1246,7 +1249,7 @@ static int __init intel_pstate_init(void)
return -ENOMEM;
if (static_cpu_has_safe(X86_FEATURE_HWP) && !no_hwp)
intel_pstate_hwp_enable();
hwp_active++;
if (!hwp_active && hwp_only)
goto out;