Messages in this thread Patch in this message | | | Date | Mon, 4 Apr 2022 17:03:05 +0100 | From | Ionela Voinescu <> | Subject | Re: [RESEND][PATCH 8/8] powercap: DTPM: Check for Energy Model type |
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On Monday 21 Mar 2022 at 09:57:29 (+0000), Lukasz Luba wrote: > 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(-) > > 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);
Reviewed-by: Ionela Voinescu <ionela.voinescu@arm.com>
> -- > 2.17.1 >
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