PM / domains: quieten down generic pm domains

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>

diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 295ff7189504bf9b1ba3806b173424fa9e0a71ea..2e2e6af1f3fea5196f04e82ac2a497a0d037e637 100644 (file)
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -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;
 }