diff options
Diffstat (limited to 'drivers/cpufreq/exynos-cpufreq.c')
-rw-r--r-- | drivers/cpufreq/exynos-cpufreq.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c index f3c22874da75..fcd2914d081a 100644 --- a/drivers/cpufreq/exynos-cpufreq.c +++ b/drivers/cpufreq/exynos-cpufreq.c @@ -17,6 +17,7 @@ #include <linux/regulator/consumer.h> #include <linux/cpufreq.h> #include <linux/suspend.h> +#include <linux/platform_device.h> #include <plat/cpu.h> @@ -30,11 +31,6 @@ static unsigned int locking_frequency; static bool frequency_locked; static DEFINE_MUTEX(cpufreq_lock); -static unsigned int exynos_getspeed(unsigned int cpu) -{ - return clk_get_rate(exynos_info->cpu_clk) / 1000; -} - static int exynos_cpufreq_get_index(unsigned int freq) { struct cpufreq_frequency_table *freq_table = exynos_info->freq_table; @@ -214,25 +210,29 @@ static struct notifier_block exynos_cpufreq_nb = { static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy) { + policy->clk = exynos_info->cpu_clk; return cpufreq_generic_init(policy, exynos_info->freq_table, 100000); } static struct cpufreq_driver exynos_driver = { - .flags = CPUFREQ_STICKY, + .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK, .verify = cpufreq_generic_frequency_table_verify, .target_index = exynos_target, - .get = exynos_getspeed, + .get = cpufreq_generic_get, .init = exynos_cpufreq_cpu_init, .exit = cpufreq_generic_exit, .name = "exynos_cpufreq", .attr = cpufreq_generic_attr, +#ifdef CONFIG_ARM_EXYNOS_CPU_FREQ_BOOST_SW + .boost_supported = true, +#endif #ifdef CONFIG_PM .suspend = exynos_cpufreq_suspend, .resume = exynos_cpufreq_resume, #endif }; -static int __init exynos_cpufreq_init(void) +static int exynos_cpufreq_probe(struct platform_device *pdev) { int ret = -EINVAL; @@ -263,7 +263,7 @@ static int __init exynos_cpufreq_init(void) goto err_vdd_arm; } - locking_frequency = exynos_getspeed(0); + locking_frequency = clk_get_rate(exynos_info->cpu_clk) / 1000; register_pm_notifier(&exynos_cpufreq_nb); @@ -281,4 +281,12 @@ err_vdd_arm: kfree(exynos_info); return -EINVAL; } -late_initcall(exynos_cpufreq_init); + +static struct platform_driver exynos_cpufreq_platdrv = { + .driver = { + .name = "exynos-cpufreq", + .owner = THIS_MODULE, + }, + .probe = exynos_cpufreq_probe, +}; +module_platform_driver(exynos_cpufreq_platdrv); |