| Message ID | 20220207073036.14901-3-lukasz.luba@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Daniel Lezcano |
| Headers | show |
| Series | Ignore Energy Model with abstract scale in IPA and DTPM | expand |
diff --git a/drivers/powercap/dtpm_cpu.c b/drivers/powercap/dtpm_cpu.c index b740866b228d..e6bcde081de4 100644 --- a/drivers/powercap/dtpm_cpu.c +++ b/drivers/powercap/dtpm_cpu.c @@ -188,7 +188,7 @@ static int cpuhp_dtpm_cpu_online(unsigned int cpu) return 0; pd = em_cpu_get(cpu); - if (!pd) + if (!pd || !(pd->flags & EM_PERF_DOMAIN_MILLIWATTS)) return -EINVAL; dtpm_cpu = per_cpu(dtpm_per_cpu, cpu);
The Energy Model power values might be in an abstract scale. 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(-)