PM: domains: Add GENPD_FLAG_RPM_ALWAYS_ON for the always-on governor
authorUlf Hansson <ulf.hansson@linaro.org>
Wed, 11 May 2022 14:56:51 +0000 (16:56 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 19 May 2022 18:16:04 +0000 (20:16 +0200)
Rather than relying on the genpd provider to set the corresponding flag,
GENPD_FLAG_RPM_ALWAYS_ON, when the always-on governor is being used, let's
add it in pm_genpd_init(). In this way, it starts to benefits all genpd
providers immediately.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/base/power/domain.c

index 18cd796..262bda9 100644 (file)
@@ -2016,6 +2016,10 @@ int pm_genpd_init(struct generic_pm_domain *genpd,
                genpd->dev_ops.start = pm_clk_resume;
        }
 
+       /* The always-on governor works better with the corresponding flag. */
+       if (gov == &pm_domain_always_on_gov)
+               genpd->flags |= GENPD_FLAG_RPM_ALWAYS_ON;
+
        /* Always-on domains must be powered on at initialization. */
        if ((genpd_is_always_on(genpd) || genpd_is_rpm_always_on(genpd)) &&
                        !genpd_status_on(genpd))