cpufreq: powernv: Fix uninitialized lpstate_idx in gpstates_timer_handler()

lpstate_idx remains uninitialized in the case when elapsed_time
is greater than MAX_RAMP_DOWN_TIME.  At the end of rampdown the
global pstate should be equal to the local pstate.

Fixes: 20b15b766354 (cpufreq: powernv: Use PMCR to verify global and localpstate)
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index c82304b7a4c0..c5c5bc35eece 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -624,6 +624,7 @@ void gpstate_timer_handler(unsigned long data)
 
         if (gpstates->elapsed_time > MAX_RAMP_DOWN_TIME) {
                 gpstate_idx = pstate_to_idx(freq_data.pstate_id);
+                lpstate_idx = gpstate_idx;
                 reset_gpstates(policy);
                 gpstates->highest_lpstate_idx = gpstate_idx;
         } else {