Messages in this thread Patch in this message | | | From | Shilpasri G Bhat <> | Subject | [PATCH] cpufreq: powernv: Dont assume distinct pstate values for nominal and pmin | Date | Fri, 12 Jan 2018 12:43:53 +0530 |
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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 <wangat@tw.ibm.com> Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> --- 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
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