diff options
| author | Lukasz Luba <lukasz.luba@arm.com> | 2022-03-21 09:57:29 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-04-13 16:26:18 +0200 |
| commit | 985a67709a66c456414182ed179544786e00321e (patch) | |
| tree | 4ce839aa5b083443ae7d762b1ac9c6b6c347f481 /drivers/powercap | |
| parent | 9926bbec3ae6c10d4e6fc297afde6a7ef7ad640b (diff) | |
| download | ath-985a67709a66c456414182ed179544786e00321e.tar.gz | |
powercap: DTPM: Check for Energy Model type
The Energy Model power values might be artificial. In such case
it's safe to bail out during the registration, since the PowerCap
framework supports only micro-Watts.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: Ionela Voinescu <ionela.voinescu@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/powercap')
| -rw-r--r-- | drivers/powercap/dtpm_cpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/powercap/dtpm_cpu.c b/drivers/powercap/dtpm_cpu.c index bca2f912d3496..f5eced0842b36 100644 --- a/drivers/powercap/dtpm_cpu.c +++ b/drivers/powercap/dtpm_cpu.c @@ -211,7 +211,7 @@ static int __dtpm_cpu_setup(int cpu, struct dtpm *parent) return 0; pd = em_cpu_get(cpu); - if (!pd) + if (!pd || em_is_artificial(pd)) return -EINVAL; dtpm_cpu = kzalloc(sizeof(*dtpm_cpu), GFP_KERNEL); |