| From | Lukasz Majewski <> | Subject | [PATCH v5 4/7] cpufreq:exynos:Extend Exynos cpufreq driver to support boost framework | Date | Thu, 04 Jul 2013 10:50:27 +0200 |
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The struct cpufreq_driver has been extended to embrace the information related to boost support.
When "boost_mode" device tree attribute is defined for a platform, the boost_supported flag is set. Moreover boost related attributes were exported.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
--- Changes for v5: - None
Changes for v4: - None
Changes for v3: - Remove low level boost code - Move boost management code to cpufreq core code - Use boost_supported flag to indicate if driver supports over clocking
Changes for v2: - Removal of struct cpufreq_boost - Removal of the CONFIG_CPU_FREQ_BOOST flag - low_level_boost with valid address when boost is supported
drivers/cpufreq/exynos-cpufreq.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c index 0d32f02..4f42fcc 100644 --- a/drivers/cpufreq/exynos-cpufreq.c +++ b/drivers/cpufreq/exynos-cpufreq.c @@ -267,6 +267,7 @@ static int exynos_cpufreq_cpu_exit(struct cpufreq_policy *policy) static struct freq_attr *exynos_cpufreq_attr[] = { &cpufreq_freq_attr_scaling_available_freqs, + &cpufreq_freq_attr_scaling_boost_freqs, NULL, }; @@ -287,6 +288,7 @@ static struct cpufreq_driver exynos_driver = { static int __init exynos_cpufreq_init(void) { + struct device_node *node = pdev->dev.of_node; int ret = -EINVAL; exynos_info = kzalloc(sizeof(struct exynos_dvfs_info), GFP_KERNEL); @@ -317,6 +319,8 @@ static int __init exynos_cpufreq_init(void) } locking_frequency = exynos_getspeed(0); + if (of_property_read_bool(node, "boost_mode")) + exynos_driver.boost_supported = 1; register_pm_notifier(&exynos_cpufreq_nb); -- 1.7.10.4
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