Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Subject | [PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled | Date | Thu, 06 Aug 2015 15:41:49 +0200 |
| |
Add cpufreq_boost_enabled_generic_attr table and use it in cpufreq-dt driver instead of cpufreq_generic_attr one when boost support is enabled. As a result scaling_boost_freqs sysfs attribute is available when cpufreq-dt driver is used and boost support is enabled.
Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Thomas Abraham <thomas.ab@samsung.com> Cc: Javier Martinez Canillas <javier@osg.samsung.com> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> --- drivers/cpufreq/cpufreq-dt.c | 3 +++ drivers/cpufreq/freq_table.c | 7 +++++++ include/linux/cpufreq.h | 1 + 3 files changed, 11 insertions(+)
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index b9259ab..7b091c0 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -182,6 +182,8 @@ try_again: return ret; } +static struct cpufreq_driver dt_cpufreq_driver; + static int cpufreq_init(struct cpufreq_policy *policy) { struct cpufreq_frequency_table *freq_table; @@ -336,6 +338,7 @@ static int cpufreq_init(struct cpufreq_policy *policy) ret = cpufreq_enable_boost_support(); if (ret) goto out_free_cpufreq_table; + dt_cpufreq_driver.attr = cpufreq_boost_enabled_generic_attr; } policy->cpuinfo.transition_latency = transition_latency; diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index a8f1daf..5a00a09 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -300,6 +300,13 @@ struct freq_attr *cpufreq_generic_attr[] = { }; EXPORT_SYMBOL_GPL(cpufreq_generic_attr); +struct freq_attr *cpufreq_boost_enabled_generic_attr[] = { + &cpufreq_freq_attr_scaling_available_freqs, + &cpufreq_freq_attr_scaling_boost_freqs, + NULL, +}; +EXPORT_SYMBOL_GPL(cpufreq_boost_enabled_generic_attr); + int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table) { diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 95f0186..25937ff 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -610,6 +610,7 @@ struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu); /* the following are really really optional */ extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs; extern struct freq_attr *cpufreq_generic_attr[]; +extern struct freq_attr *cpufreq_boost_enabled_generic_attr[]; int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table); -- 1.9.1
| |