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PM / domains: quieten down generic pm domains

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PM domains are rather noisy; scheduling behaviour can cause callbacks
to take longer, which causes them to spit out a warning-level message
each time a callback takes a little longer than the previous time.
There really isn't a need for this, except when debugging.

Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Russell King 2015-03-20 17:20:28 +00:00 committed by Rafael J. Wysocki
parent 632f7ce3f9
commit 6d7d5c3266
1 changed files with 4 additions and 4 deletions
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8
drivers/base/power/domain.c
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@ -173,8 +173,8 @@ static int genpd_power_on(struct generic_pm_domain *genpd)
genpd->power_on_latency_ns = elapsed_ns;
genpd->max_off_time_changed = true;
genpd_recalc_cpu_exit_latency(genpd);
pr_warn("%s: Power-%s latency exceeded, new value %lld ns\n",
genpd->name, "on", elapsed_ns);
pr_debug("%s: Power-%s latency exceeded, new value %lld ns\n",
genpd->name, "on", elapsed_ns);
return ret;
}
@ -199,8 +199,8 @@ static int genpd_power_off(struct generic_pm_domain *genpd)
genpd->power_off_latency_ns = elapsed_ns;
genpd->max_off_time_changed = true;
pr_warn("%s: Power-%s latency exceeded, new value %lld ns\n",
genpd->name, "off", elapsed_ns);
pr_debug("%s: Power-%s latency exceeded, new value %lld ns\n",
genpd->name, "off", elapsed_ns);
return ret;
}