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cpuidle: riscv-sbi: Fix code to allow a genpd governor to be used 

[ Upstream commit a6653fb584 ]

The intent is to use a genpd governor when there are some states that needs
to be managed. Although, the current code ends up to never assign a
governor, let's fix this.

Fixes: 6abf32f1d9 ("cpuidle: Add RISC-V SBI CPU idle driver")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Anup Patel <anup@brainfault.org>
Tested-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ulf Hansson 2022-05-14 17:20:44 +02:00 committed by Greg Kroah-Hartman
parent 831a17e035
commit d84a513ec8
1 changed files with 2 additions and 2 deletions
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4
drivers/cpuidle/cpuidle-riscv-sbi.c
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@ -414,7 +414,7 @@ static int sbi_pd_init(struct device_node *np)
struct generic_pm_domain *pd;
struct sbi_pd_provider *pd_provider;
struct dev_power_governor *pd_gov;
int ret = -ENOMEM, state_count = 0;
int ret = -ENOMEM;
pd = dt_idle_pd_alloc(np, sbi_dt_parse_state_node);
if (!pd)
@ -433,7 +433,7 @@ static int sbi_pd_init(struct device_node *np)
pd->flags |= GENPD_FLAG_ALWAYS_ON;
/* Use governor for CPU PM domains if it has some states to manage. */
pd_gov = state_count > 0 ? &pm_domain_cpu_gov : NULL;
pd_gov = pd->states ? &pm_domain_cpu_gov : NULL;
ret = pm_genpd_init(pd, pd_gov, false);
if (ret)