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authorShilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>2015-08-27 14:41:44 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-09-01 15:51:25 +0200
commit309d0631cc329ca1051c631c89e0acc9b752cb4d (patch)
tree98a5c75c74f3ca67052b5a9c85c4c2171cd44095 /drivers/cpufreq/powernv-cpufreq.c
parenta482e5562e48d89ea50f41f9fc6ed3a9768de2ff (diff)
downloadlinux-309d0631cc329ca1051c631c89e0acc9b752cb4d.tar.bz2
cpufreq: powernv: Increase the verbosity of OCC console messages
Modify the OCC reset/load/active event message to make it clearer for the user to understand the event and effect of the event. Suggested-by: Stewart Smith <stewart@linux.vnet.ibm.com> Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/powernv-cpufreq.c')
-rw-r--r--drivers/cpufreq/powernv-cpufreq.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index 546e056e416d..64994e10638e 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -465,6 +465,7 @@ static int powernv_cpufreq_occ_msg(struct notifier_block *nb,
switch (omsg.type) {
case OCC_RESET:
occ_reset = true;
+ pr_info("OCC (On Chip Controller - enforces hard thermal/power limits) Resetting\n");
/*
* powernv_cpufreq_throttle_check() is called in
* target() callback which can detect the throttle state
@@ -474,12 +475,12 @@ static int powernv_cpufreq_occ_msg(struct notifier_block *nb,
*/
if (!throttled) {
throttled = true;
- pr_crit("CPU Frequency is throttled\n");
+ pr_crit("CPU frequency is throttled for duration\n");
}
- pr_info("OCC: Reset\n");
+
break;
case OCC_LOAD:
- pr_info("OCC: Loaded\n");
+ pr_info("OCC Loading, CPU frequency is throttled until OCC is started\n");
break;
case OCC_THROTTLE:
omsg.chip = be64_to_cpu(msg->params[1]);
@@ -488,7 +489,7 @@ static int powernv_cpufreq_occ_msg(struct notifier_block *nb,
if (occ_reset) {
occ_reset = false;
throttled = false;
- pr_info("OCC: Active\n");
+ pr_info("OCC Active, CPU frequency is no longer throttled\n");
for (i = 0; i < nr_chips; i++) {
chips[i].restore = true;