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authorRussell King <rmk+kernel@arm.linux.org.uk>2015-03-20 17:20:28 +0000
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-03-22 22:19:12 +0100
commit6d7d5c3266aa946b2049d9fed02186c1a378621b (patch)
tree1b732f17f501442538ad215d8de2f0bc6d7c3022 /drivers/base/power
parent632f7ce3f9b65039ac6c4f14ef91a0a1f3bdff59 (diff)
downloadlinux-6d7d5c3266aa946b2049d9fed02186c1a378621b.tar.gz
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>
Diffstat (limited to 'drivers/base/power')
-rw-r--r--drivers/base/power/domain.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 295ff7189504..2e2e6af1f3fe 100644
--- 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;
 }