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cpufreq-dt: make scaling_boost_freqs sysfs attr available when boost is enabled

PATCH In review Bartlomiej Zolnierkiewicz 2 participants 2 messages Aug 7, 2015 – Aug 8, 2015

Subsystems (3)
Common clk Arm Samsung Exynos CPU frequency scaling framework
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Bartlomiej Zolnierkiewicz

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PATCH v3 1/1 cpufreq-dt: make scaling_boost_freqs sysfs attr available when boost is enabled

Make scaling_boost_freqs sysfs attribute is available when cpufreq-dt driver is used and boost support is enabled.

Cc Thomas Abraham <[email protected]>
Cc Javier Martinez Canillas <[email protected]>
Cc Krzysztof Kozlowski <[email protected]>
Suggested-by Viresh Kumar <[email protected]>
Acked-by Viresh Kumar <[email protected]>
Signed-off-by Bartlomiej Zolnierkiewicz <[email protected]>

---
v2: Removed leftover prototype.
v3: added missing Acked-by
Sorry for two resends, this is not my day..
Rafael, please apply for v4.3.

 drivers/cpufreq/cpufreq-dt.c | 9 ++++++++-
 include/linux/cpufreq.h      | 1 +
 2 files changed, 9 insertions(+), 1 deletion(-)
drivers/cpufreq/cpufreq-dt.c +8 -1
index b9259ab..c3583cd 100644
@@ -36,6 +36,12 @@ struct private_data {
 	unsigned int voltage_tolerance; /* in percentage */
 };
 
+static struct freq_attr *cpufreq_dt_attr[] = {
+	&cpufreq_freq_attr_scaling_available_freqs,
+	NULL,   /* Extra space for boost-attr if required */
+	NULL,
+};
+
 static int set_target(struct cpufreq_policy *policy, unsigned int index)
 {
 	struct dev_pm_opp *opp;

@@ -336,6 +342,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
 		ret = cpufreq_enable_boost_support();
 		if (ret)
 			goto out_free_cpufreq_table;
+		cpufreq_dt_attr[1] = &cpufreq_freq_attr_scaling_boost_freqs;
 	}
 
 	policy->cpuinfo.transition_latency = transition_latency;

@@ -411,7 +418,7 @@ static struct cpufreq_driver dt_cpufreq_driver = {
 	.exit = cpufreq_exit,
 	.ready = cpufreq_ready,
 	.name = "cpufreq-dt",
-	.attr = cpufreq_generic_attr,
+	.attr = cpufreq_dt_attr,
 };
 
 static int dt_cpufreq_probe(struct platform_device *pdev)
include/linux/cpufreq.h +1 -0
index 95f0186..657542d 100644
@@ -609,6 +609,7 @@ 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_freq_attr_scaling_boost_freqs;
 extern struct freq_attr *cpufreq_generic_attr[];
 int cpufreq_table_validate_and_show(struct cpufreq_policy *policy,
 				      struct cpufreq_frequency_table *table);
Signature · 1 line
1.9.1
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#1 lore raw
Quoted 9 lines · Bartlomiej Zolnierkiewicz

Make scaling_boost_freqs sysfs attribute is available when cpufreq-dt driver is used and boost support is enabled.

Cc Thomas Abraham <[email protected]>
Cc Javier Martinez Canillas <[email protected]>
Cc Krzysztof Kozlowski <[email protected]>
Suggested-by Viresh Kumar <[email protected]>
Acked-by Viresh Kumar <[email protected]>
Signed-off-by Bartlomiej Zolnierkiewicz <[email protected]>
Quoted 5 lines

---
v2: Removed leftover prototype.
v3: added missing Acked-by
Sorry for two resends, this is not my day..
Rafael, please apply for v4.3.

Yeah, please apply only this patch from the series.

Signature · 1 line
viresh