diff options
| author |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-10-22 13:57:45 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-11-02 18:32:39 +0100 |
| commit | 56a7ff75cd08987812209971e319f78156ea2bb1 (patch) | |
| tree | a8dd7db37b17d0c10327bf90833a56136ffba104 | |
| parent | Linux 5.10-rc2 (diff) | |
| download | linux-dev-56a7ff75cd08987812209971e319f78156ea2bb1.tar.xz linux-dev-56a7ff75cd08987812209971e319f78156ea2bb1.zip | |
cpufreq: Drop restore_freq from struct cpufreq_policy
The restore_freq field in struct cpufreq_policy is only used by
__target_index() in one place and a local variable in that function
may as well be used instead of it, so drop it and modify
__target_index() accordingly.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 10 | ||||
| -rw-r--r-- | include/linux/cpufreq.h | 5 |
2 files changed, 5 insertions, 10 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 336b5e94cbc8..f2d96175f62d 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2123,7 +2123,7 @@ static int __target_intermediate(struct cpufreq_policy *policy, static int __target_index(struct cpufreq_policy *policy, int index) { struct cpufreq_freqs freqs = {.old = policy->cur, .flags = 0}; - unsigned int intermediate_freq = 0; + unsigned int restore_freq, intermediate_freq = 0; unsigned int newfreq = policy->freq_table[index].frequency; int retval = -EINVAL; bool notify; @@ -2131,6 +2131,9 @@ static int __target_index(struct cpufreq_policy *policy, int index) if (newfreq == policy->cur) return 0; + /* Save last value to restore later on errors */ + restore_freq = policy->cur; + notify = !(cpufreq_driver->flags & CPUFREQ_ASYNC_NOTIFICATION); if (notify) { /* Handle switching to intermediate frequency */ @@ -2168,7 +2171,7 @@ static int __target_index(struct cpufreq_policy *policy, int index) */ if (unlikely(retval && intermediate_freq)) { freqs.old = intermediate_freq; - freqs.new = policy->restore_freq; + freqs.new = restore_freq; cpufreq_freq_transition_begin(policy, &freqs); cpufreq_freq_transition_end(policy, &freqs, 0); } @@ -2203,9 +2206,6 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy, !(cpufreq_driver->flags & CPUFREQ_NEED_UPDATE_LIMITS)) return 0; - /* Save last value to restore later on errors */ - policy->restore_freq = policy->cur; - if (cpufreq_driver->target) return cpufreq_driver->target(policy, target_freq, relation); diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 1eaa04f1bae6..9779a6cd8baa 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -65,7 +65,6 @@ struct cpufreq_policy { unsigned int max; /* in kHz */ unsigned int cur; /* in kHz, only needed if cpufreq * governors are used */ - unsigned int restore_freq; /* = policy->cur before transition */ unsigned int suspend_freq; /* freq to set during suspend */ unsigned int policy; /* see above */ @@ -308,10 +307,6 @@ struct cpufreq_driver { /* define one out of two */ int (*setpolicy)(struct cpufreq_policy *policy); - /* - * On failure, should always restore frequency to policy->restore_freq - * (i.e. old freq). - */ int (*target)(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation); /* Deprecated */ |