| Message ID | 914cddcb07a8aa1a9ec984f436dd2bba69cfd128.1400302114.git.viresh.kumar@linaro.org |
|---|---|
| State | New |
| Headers | show |
Viresh, On Fri, May 16, 2014 at 9:51 PM, Viresh Kumar <viresh.kumar@linaro.org> wrote: > Handling calls to ->target_index() has got complex over time and might become > more complex. So, its better to take target_index() bits out in another routine > __target_index() for better code readability. Shouldn't have any functional > impact. > > Tested-by: Stephen Warren <swarren@nvidia.com> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > --- > drivers/cpufreq/cpufreq.c | 56 ++++++++++++++++++++++++++++------------------- > 1 file changed, 33 insertions(+), 23 deletions(-) > > diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c > index a05c921..9bf12a2 100644 > --- a/drivers/cpufreq/cpufreq.c > +++ b/drivers/cpufreq/cpufreq.c > @@ -1816,12 +1816,43 @@ EXPORT_SYMBOL(cpufreq_unregister_notifier); > * GOVERNORS * > *********************************************************************/ > > +static int __target_index(struct cpufreq_policy *policy, > + struct cpufreq_frequency_table *freq_table, int index) > +{ > + struct cpufreq_freqs freqs; > + int retval = -EINVAL; > + bool notify; > + > + notify = !(cpufreq_driver->flags & CPUFREQ_ASYNC_NOTIFICATION); > + > + if (notify) { > + freqs.old = policy->cur; > + freqs.new = freq_table[index].frequency; > + freqs.flags = 0; > + > + pr_debug("%s: cpu: %d, oldfreq: %u, new freq: %u\n", > + __func__, policy->cpu, freqs.old, freqs.new); > + > + cpufreq_freq_transition_begin(policy, &freqs); > + } > + > + retval = cpufreq_driver->target_index(policy, index); > + if (retval) > + pr_err("%s: Failed to change cpu frequency: %d\n", > + __func__, retval); > + > + if (notify) > + cpufreq_freq_transition_end(policy, &freqs, retval); > + > + return retval; > +} > + > int __cpufreq_driver_target(struct cpufreq_policy *policy, > unsigned int target_freq, > unsigned int relation) > { > - int retval = -EINVAL; > unsigned int old_target_freq = target_freq; > + int retval = -EINVAL; I'm not sure that this shuffling was really necessary, but I guess it doesn't hurt. ...and I guess a CL that's shuffling code anyway is the place to put it... Reviewed-by: Doug Anderson <dianders@chromium.org> -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index a05c921..9bf12a2 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1816,12 +1816,43 @@ EXPORT_SYMBOL(cpufreq_unregister_notifier); * GOVERNORS * *********************************************************************/ +static int __target_index(struct cpufreq_policy *policy, + struct cpufreq_frequency_table *freq_table, int index) +{ + struct cpufreq_freqs freqs; + int retval = -EINVAL; + bool notify; + + notify = !(cpufreq_driver->flags & CPUFREQ_ASYNC_NOTIFICATION); + + if (notify) { + freqs.old = policy->cur; + freqs.new = freq_table[index].frequency; + freqs.flags = 0; + + pr_debug("%s: cpu: %d, oldfreq: %u, new freq: %u\n", + __func__, policy->cpu, freqs.old, freqs.new); + + cpufreq_freq_transition_begin(policy, &freqs); + } + + retval = cpufreq_driver->target_index(policy, index); + if (retval) + pr_err("%s: Failed to change cpu frequency: %d\n", + __func__, retval); + + if (notify) + cpufreq_freq_transition_end(policy, &freqs, retval); + + return retval; +} + int __cpufreq_driver_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) { - int retval = -EINVAL; unsigned int old_target_freq = target_freq; + int retval = -EINVAL; if (cpufreq_disabled()) return -ENODEV; @@ -1848,8 +1879,6 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy, retval = cpufreq_driver->target(policy, target_freq, relation); else if (cpufreq_driver->target_index) { struct cpufreq_frequency_table *freq_table; - struct cpufreq_freqs freqs; - bool notify; int index; freq_table = cpufreq_frequency_get_table(policy->cpu); @@ -1870,26 +1899,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy, goto out; } - notify = !(cpufreq_driver->flags & CPUFREQ_ASYNC_NOTIFICATION); - - if (notify) { - freqs.old = policy->cur; - freqs.new = freq_table[index].frequency; - freqs.flags = 0; - - pr_debug("%s: cpu: %d, oldfreq: %u, new freq: %u\n", - __func__, policy->cpu, freqs.old, freqs.new); - - cpufreq_freq_transition_begin(policy, &freqs); - } - - retval = cpufreq_driver->target_index(policy, index); - if (retval) - pr_err("%s: Failed to change cpu frequency: %d\n", - __func__, retval); - - if (notify) - cpufreq_freq_transition_end(policy, &freqs, retval); + retval = __target_index(policy, freq_table, index); } out: