diff options
Diffstat (limited to 'drivers/cpufreq/pasemi-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/pasemi-cpufreq.c | 52 |
1 files changed, 7 insertions, 45 deletions
diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c index 534e43a60d1..0426008380d 100644 --- a/drivers/cpufreq/pasemi-cpufreq.c +++ b/drivers/cpufreq/pasemi-cpufreq.c @@ -28,6 +28,7 @@ #include <linux/cpufreq.h> #include <linux/timer.h> #include <linux/module.h> +#include <linux/of_address.h> #include <asm/hw_irq.h> #include <asm/io.h> @@ -51,8 +52,6 @@ static void __iomem *sdcpwr_mapbase; static void __iomem *sdcasr_mapbase; -static DEFINE_MUTEX(pas_switch_mutex); - /* Current astate, is used when waking up from power savings on * one core, in case the other core has switched states during * the idle time. @@ -69,11 +68,6 @@ static struct cpufreq_frequency_table pas_freqs[] = { {0, CPUFREQ_TABLE_END}, }; -static struct freq_attr *pas_cpu_freqs_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - /* * hardware specific functions */ @@ -209,22 +203,13 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) pr_debug("%d: %d\n", i, pas_freqs[i].frequency); } - policy->cpuinfo.transition_latency = get_gizmo_latency(); - cur_astate = get_cur_astate(policy->cpu); pr_debug("current astate is at %d\n",cur_astate); policy->cur = pas_freqs[cur_astate].frequency; - cpumask_copy(policy->cpus, cpu_online_mask); - ppc_proc_freq = policy->cur * 1000ul; - cpufreq_frequency_table_get_attr(pas_freqs, policy->cpu); - - /* this ensures that policy->cpuinfo_min and policy->cpuinfo_max - * are set correctly - */ - return cpufreq_frequency_table_cpuinfo(policy, pas_freqs); + return cpufreq_generic_init(policy, pas_freqs, get_gizmo_latency()); out_unmap_sdcpwr: iounmap(sdcpwr_mapbase); @@ -253,31 +238,11 @@ static int pas_cpufreq_cpu_exit(struct cpufreq_policy *policy) return 0; } -static int pas_cpufreq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, pas_freqs); -} - static int pas_cpufreq_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) + unsigned int pas_astate_new) { - struct cpufreq_freqs freqs; - int pas_astate_new; int i; - cpufreq_frequency_table_target(policy, - pas_freqs, - target_freq, - relation, - &pas_astate_new); - - freqs.old = policy->cur; - freqs.new = pas_freqs[pas_astate_new].frequency; - - mutex_lock(&pas_switch_mutex); - cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); - pr_debug("setting frequency for cpu %d to %d kHz, 1/%d of max frequency\n", policy->cpu, pas_freqs[pas_astate_new].frequency, @@ -288,10 +253,7 @@ static int pas_cpufreq_target(struct cpufreq_policy *policy, for_each_online_cpu(i) set_astate(i, pas_astate_new); - cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE); - mutex_unlock(&pas_switch_mutex); - - ppc_proc_freq = freqs.new * 1000ul; + ppc_proc_freq = pas_freqs[pas_astate_new].frequency * 1000ul; return 0; } @@ -300,9 +262,9 @@ static struct cpufreq_driver pas_cpufreq_driver = { .flags = CPUFREQ_CONST_LOOPS, .init = pas_cpufreq_cpu_init, .exit = pas_cpufreq_cpu_exit, - .verify = pas_cpufreq_verify, - .target = pas_cpufreq_target, - .attr = pas_cpu_freqs_attr, + .verify = cpufreq_generic_frequency_table_verify, + .target_index = pas_cpufreq_target, + .attr = cpufreq_generic_attr, }; /* |