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authorThomas Gleixner2017-06-21 09:07:52 +0200
committerThomas Gleixner2017-06-21 09:07:52 +0200
commitf0cd9ae5d0df8668e76359a3e0e99856aa9c53b9 (patch)
tree84d3297b16fa7e373f2eabef56cd12ae5a9b8a29 /drivers/cpufreq
parentposix-cpu-timers: Make timespec to nsec conversion safe (diff)
parentMerge branch 'clockevents/4.12-fixes' of https://git.linaro.org/people/daniel... (diff)
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Merge branch 'timers/urgent' into timers/core
Pick up dependent changes.
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c4
-rw-r--r--drivers/cpufreq/intel_pstate.c5
2 files changed, 5 insertions, 4 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 992f7c20760f..88220ff3e1c2 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -185,8 +185,8 @@ static ssize_t store_down_threshold(struct gov_attr_set *attr_set,
int ret;
ret = sscanf(buf, "%u", &input);
- /* cannot be lower than 11 otherwise freq will not fall */
- if (ret != 1 || input < 11 || input > 100 ||
+ /* cannot be lower than 1 otherwise freq will not fall */
+ if (ret != 1 || input < 1 || input > 100 ||
input >= dbs_data->up_threshold)
return -EINVAL;
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index b7de5bd76a31..eb1158532de3 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -571,9 +571,10 @@ static inline void update_turbo_state(void)
static int min_perf_pct_min(void)
{
struct cpudata *cpu = all_cpu_data[0];
+ int turbo_pstate = cpu->pstate.turbo_pstate;
- return DIV_ROUND_UP(cpu->pstate.min_pstate * 100,
- cpu->pstate.turbo_pstate);
+ return turbo_pstate ?
+ DIV_ROUND_UP(cpu->pstate.min_pstate * 100, turbo_pstate) : 0;
}
static s16 intel_pstate_get_epb(struct cpudata *cpu_data)