Commit a6653fb5 authored by Ulf Hansson's avatar Ulf Hansson Committed by Rafael J. Wysocki
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cpuidle: riscv-sbi: Fix code to allow a genpd governor to be used 



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: 6abf32f1 ("cpuidle: Add RISC-V SBI CPU idle driver")
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Reviewed-by: default avatarAnup Patel <anup@brainfault.org>
Tested-by: default avatarAnup Patel <anup@brainfault.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 34be2751

drivers/cpuidle/cpuidle-riscv-sbi.c

+2 −2
Original line number Diff line number Diff line
@@ -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)