[PATCH v4 1/6] cpufreq: make scaling_boost_freqs sysfs attr available when boost is enabled
From: Bartlomiej Zolnierkiewicz <hidden>
Date: 2015-08-06 13:43:20
Also in:
linux-clk, linux-pm, linux-samsung-soc, lkml
Subsystem:
cpu frequency scaling framework, the rest · Maintainers:
"Rafael J. Wysocki", Viresh Kumar, Linus Torvalds
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 <redacted> Cc: Javier Martinez Canillas <redacted> Cc: Krzysztof Kozlowski <redacted> Signed-off-by: Bartlomiej Zolnierkiewicz <redacted> --- 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