Messages in this thread Patch in this message | | | From | "Rafael J. Wysocki" <> | Subject | [PATCH] cpufreq: intel_pstate: Do not expose PID parameters in passive mode | Date | Sat, 24 Dec 2016 00:29:56 +0100 |
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From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
If intel_pstate works in the passive mode in which it acts as a regular cpufreq driver and collaborates with generic cpufreq governors, the PID parameters are not used, so do not expose them via debugfs in that case.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> --- drivers/cpufreq/intel_pstate.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)
Index: linux-pm/drivers/cpufreq/intel_pstate.c =================================================================== --- linux-pm.orig/drivers/cpufreq/intel_pstate.c +++ linux-pm/drivers/cpufreq/intel_pstate.c @@ -1018,10 +1018,6 @@ static void __init intel_pstate_debug_ex struct dentry *debugfs_parent; int i = 0; - if (hwp_active || - pstate_funcs.get_target_pstate == get_target_pstate_use_cpu_load) - return; - debugfs_parent = debugfs_create_dir("pstate_snb", NULL); if (IS_ERR_OR_NULL(debugfs_parent)) return; @@ -2487,7 +2483,10 @@ hwp_cpu_matched: if (rc) goto out; - intel_pstate_debug_expose_params(); + if (intel_pstate_driver == &intel_pstate && !hwp_active && + pstate_funcs.get_target_pstate != get_target_pstate_use_cpu_load) + intel_pstate_debug_expose_params(); + intel_pstate_sysfs_expose_params(); if (hwp_active)
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