| Message ID | 20220316235211.29370-9-lukasz.luba@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Introduce support for artificial Energy Model | expand |
diff --git a/drivers/powercap/dtpm_cpu.c b/drivers/powercap/dtpm_cpu.c index bca2f912d349..f5eced0842b3 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);
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> --- drivers/powercap/dtpm_cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)