cpufreq: intel_pstate: Use __ro_after_init for three variables

There are at least 3 variables in intel_pstate that do not get updated
after they have been initialized, so annotate them with __ro_after_init.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index fa707a207c8e5c6efb74eeeaa32fe4784a364d1c..a9e36bbea4faa8017adc2478585833ec199bab0a 100644 (file)
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -293,10 +293,10 @@ struct pstate_funcs {
 static struct pstate_funcs pstate_funcs __read_mostly;
 
 static bool hwp_active __ro_after_init;
-static int hwp_mode_bdw __read_mostly;
-static bool per_cpu_limits __read_mostly;
+static int hwp_mode_bdw __ro_after_init;
+static bool per_cpu_limits __ro_after_init;
+static bool hwp_forced __ro_after_init;
 static bool hwp_boost __read_mostly;
-static bool hwp_forced __read_mostly;
 
 static struct cpufreq_driver *intel_pstate_driver __read_mostly;