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Subject[PATCH] cpufreq: powernv: Increase the verbosity of OCC console messages
Date
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>
---
This patch is based on top of linux-next/master

drivers/cpufreq/powernv-cpufreq.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index 546e056..64994e1 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;
--
1.9.3


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