Commit 0cb19e50 authored by Ulf Hansson's avatar Ulf Hansson
Browse files

pmdomain: arm: Avoid polling for scmi_perf_domain 



It was a mistake to prefer polling based mode when setting a performance
level for a domain. Let's instead rely on the protocol to decide what is
best and thus avoid polling when possible.

Reported-by: default avatarNikunj Kela <nkela@quicinc.com>
Fixes: 2af23ceb ("pmdomain: arm: Add the SCMI performance domain")
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Reviewed-by: default avatarSudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20231127135033.136442-1-ulf.hansson@linaro.org
parent 98b1cc82

drivers/pmdomain/arm/scmi_perf_domain.c

+1 −1
Original line number Diff line number Diff line
@@ -35,7 +35,7 @@ scmi_pd_set_perf_state(struct generic_pm_domain *genpd, unsigned int state) 
	if (!state)

		return -EINVAL;



	ret = pd->perf_ops->level_set(pd->ph, pd->domain_id, state, true);

	ret = pd->perf_ops->level_set(pd->ph, pd->domain_id, state, false);

	if (ret)

		dev_warn(&genpd->dev, "Failed with %d when trying to set %d perf level",

			 ret, state);