diff options
Diffstat (limited to 'drivers/cpufreq/pxa3xx-cpufreq.c')
-rw-r--r-- | drivers/cpufreq/pxa3xx-cpufreq.c | 46 |
1 files changed, 9 insertions, 37 deletions
diff --git a/drivers/cpufreq/pxa3xx-cpufreq.c b/drivers/cpufreq/pxa3xx-cpufreq.c index d26306f..9384004 100644 --- a/drivers/cpufreq/pxa3xx-cpufreq.c +++ b/drivers/cpufreq/pxa3xx-cpufreq.c @@ -108,7 +108,7 @@ static int setup_freqs_table(struct cpufreq_policy *policy, pxa3xx_freqs_num = num; pxa3xx_freqs_table = table; - return cpufreq_frequency_table_cpuinfo(policy, table); + return cpufreq_table_validate_and_show(policy, table); } static void __update_core_freq(struct pxa3xx_freq_info *info) @@ -150,54 +150,26 @@ static void __update_bus_freq(struct pxa3xx_freq_info *info) cpu_relax(); } -static int pxa3xx_cpufreq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, pxa3xx_freqs_table); -} - static unsigned int pxa3xx_cpufreq_get(unsigned int cpu) { return pxa3xx_get_clk_frequency_khz(0); } -static int pxa3xx_cpufreq_set(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) +static int pxa3xx_cpufreq_set(struct cpufreq_policy *policy, unsigned int index) { struct pxa3xx_freq_info *next; - struct cpufreq_freqs freqs; unsigned long flags; - int idx; if (policy->cpu != 0) return -EINVAL; - /* Lookup the next frequency */ - if (cpufreq_frequency_table_target(policy, pxa3xx_freqs_table, - target_freq, relation, &idx)) - return -EINVAL; - - next = &pxa3xx_freqs[idx]; - - freqs.old = policy->cur; - freqs.new = next->cpufreq_mhz * 1000; - - pr_debug("CPU frequency from %d MHz to %d MHz%s\n", - freqs.old / 1000, freqs.new / 1000, - (freqs.old == freqs.new) ? " (skipped)" : ""); - - if (freqs.old == target_freq) - return 0; - - cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); + next = &pxa3xx_freqs[index]; local_irq_save(flags); __update_core_freq(next); __update_bus_freq(next); local_irq_restore(flags); - cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE); - return 0; } @@ -206,11 +178,10 @@ static int pxa3xx_cpufreq_init(struct cpufreq_policy *policy) int ret = -EINVAL; /* set default policy and cpuinfo */ - policy->cpuinfo.min_freq = 104000; - policy->cpuinfo.max_freq = (cpu_is_pxa320()) ? 806000 : 624000; + policy->min = policy->cpuinfo.min_freq = 104000; + policy->max = policy->cpuinfo.max_freq = + (cpu_is_pxa320()) ? 806000 : 624000; policy->cpuinfo.transition_latency = 1000; /* FIXME: 1 ms, assumed */ - policy->max = pxa3xx_get_clk_frequency_khz(0); - policy->cur = policy->min = policy->max; if (cpu_is_pxa300() || cpu_is_pxa310()) ret = setup_freqs_table(policy, pxa300_freqs, @@ -230,9 +201,10 @@ static int pxa3xx_cpufreq_init(struct cpufreq_policy *policy) } static struct cpufreq_driver pxa3xx_cpufreq_driver = { - .verify = pxa3xx_cpufreq_verify, - .target = pxa3xx_cpufreq_set, + .verify = cpufreq_generic_frequency_table_verify, + .target_index = pxa3xx_cpufreq_set, .init = pxa3xx_cpufreq_init, + .exit = cpufreq_generic_exit, .get = pxa3xx_cpufreq_get, .name = "pxa3xx-cpufreq", }; |