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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-03-14 12:53:08 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-03-14 12:53:08 +0300 |
| commit | 75f3e2395430ad6416a7d35e892db7ff60e012e1 (patch) | |
| tree | 2ebcbc5e680e98df393696341e36926ff365b585 /drivers/base | |
| parent | 4650b2792944e4cee86df6b016f2b7338a0b33f1 (diff) | |
| parent | d9dfca7f81246db9a2c28ac1c811fc1085fbd478 (diff) | |
| download | linux-75f3e2395430ad6416a7d35e892db7ff60e012e1.tar.xz | |
Merge branch 'pm-domains'
* pm-domains:
PM / domains: Remove one unnecessary blank line
PM / Domains: Return early for all errors in _genpd_power_off()
PM / Domains: Improve warn for multiple states but no governor
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/power/domain.c | 8 | ||||
| -rw-r--r-- | drivers/base/power/domain_governor.c | 1 |
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 764e0f28979e..76c9969b7124 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -459,19 +459,19 @@ static int _genpd_power_off(struct generic_pm_domain *genpd, bool timed) time_start = ktime_get(); ret = genpd->power_off(genpd); - if (ret == -EBUSY) + if (ret) return ret; elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start)); if (elapsed_ns <= genpd->states[state_idx].power_off_latency_ns) - return ret; + return 0; genpd->states[state_idx].power_off_latency_ns = elapsed_ns; genpd->max_off_time_changed = true; pr_debug("%s: Power-%s latency exceeded, new value %lld ns\n", genpd->name, "off", elapsed_ns); - return ret; + return 0; } /** @@ -1768,7 +1768,7 @@ int pm_genpd_init(struct generic_pm_domain *genpd, ret = genpd_set_default_power_state(genpd); if (ret) return ret; - } else if (!gov) { + } else if (!gov && genpd->state_count > 1) { pr_warn("%s: no governor for states\n", genpd->name); } diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c index 99896fbf18e4..4d07e38a8247 100644 --- a/drivers/base/power/domain_governor.c +++ b/drivers/base/power/domain_governor.c @@ -128,7 +128,6 @@ static bool __default_power_down_ok(struct dev_pm_domain *pd, off_on_time_ns = genpd->states[state].power_off_latency_ns + genpd->states[state].power_on_latency_ns; - min_off_time_ns = -1; /* * Check if subdomains can be off for enough time. |