Some OpenPOWER boxes can have same pstate values for nominal and
pmin pstates. In these boxes the current code will not initialize
'powernv_pstate_info.min' variable and result in erroneous CPU
frequency reporting. This patch fixes this problem.
Fixes: 09ca4c9b5958 ("cpufreq: powernv: Replacing pstate_id with frequency table index")
Reported-by: Alvin Wang <[email protected]>
Signed-off-by: Shilpasri G Bhat <[email protected]>
---
drivers/cpufreq/powernv-cpufreq.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index b6d7c4c..da7fdb4 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -288,9 +288,9 @@ static int init_powernv_pstates(void)
if (id == pstate_max)
powernv_pstate_info.max = i;
- else if (id == pstate_nominal)
+ if (id == pstate_nominal)
powernv_pstate_info.nominal = i;
- else if (id == pstate_min)
+ if (id == pstate_min)
powernv_pstate_info.min = i;
if (powernv_pstate_info.wof_enabled && id == pstate_turbo) {
--
1.8.3.1
On 12-01-18, 12:43, Shilpasri G Bhat wrote:
> Some OpenPOWER boxes can have same pstate values for nominal and
> pmin pstates. In these boxes the current code will not initialize
> 'powernv_pstate_info.min' variable and result in erroneous CPU
> frequency reporting. This patch fixes this problem.
>
> Fixes: 09ca4c9b5958 ("cpufreq: powernv: Replacing pstate_id with frequency table index")
> Reported-by: Alvin Wang <[email protected]>
> Signed-off-by: Shilpasri G Bhat <[email protected]>
> ---
> drivers/cpufreq/powernv-cpufreq.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
> index b6d7c4c..da7fdb4 100644
> --- a/drivers/cpufreq/powernv-cpufreq.c
> +++ b/drivers/cpufreq/powernv-cpufreq.c
> @@ -288,9 +288,9 @@ static int init_powernv_pstates(void)
>
> if (id == pstate_max)
> powernv_pstate_info.max = i;
> - else if (id == pstate_nominal)
> + if (id == pstate_nominal)
> powernv_pstate_info.nominal = i;
> - else if (id == pstate_min)
> + if (id == pstate_min)
> powernv_pstate_info.min = i;
>
> if (powernv_pstate_info.wof_enabled && id == pstate_turbo) {
Acked-by: Viresh Kumar <[email protected]>
--
viresh