diff options
Diffstat (limited to 'drivers/cpufreq/sa1110-cpufreq.c')
-rw-r--r-- | drivers/cpufreq/sa1110-cpufreq.c | 46 |
1 files changed, 7 insertions, 39 deletions
diff --git a/drivers/cpufreq/sa1110-cpufreq.c b/drivers/cpufreq/sa1110-cpufreq.c index 39c90b6..2c2b2e6 100644 --- a/drivers/cpufreq/sa1110-cpufreq.c +++ b/drivers/cpufreq/sa1110-cpufreq.c @@ -229,36 +229,14 @@ sdram_update_refresh(u_int cpu_khz, struct sdram_params *sdram) /* * Ok, set the CPU frequency. */ -static int sa1110_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) +static int sa1110_target(struct cpufreq_policy *policy, unsigned int ppcr) { struct sdram_params *sdram = &sdram_params; - struct cpufreq_freqs freqs; struct sdram_info sd; unsigned long flags; - unsigned int ppcr, unused; - - switch (relation) { - case CPUFREQ_RELATION_L: - ppcr = sa11x0_freq_to_ppcr(target_freq); - if (sa11x0_ppcr_to_freq(ppcr) > policy->max) - ppcr--; - break; - case CPUFREQ_RELATION_H: - ppcr = sa11x0_freq_to_ppcr(target_freq); - if (ppcr && (sa11x0_ppcr_to_freq(ppcr) > target_freq) && - (sa11x0_ppcr_to_freq(ppcr-1) >= policy->min)) - ppcr--; - break; - default: - return -EINVAL; - } - - freqs.old = sa11x0_getspeed(0); - freqs.new = sa11x0_ppcr_to_freq(ppcr); + unsigned int unused; - sdram_calculate_timing(&sd, freqs.new, sdram); + sdram_calculate_timing(&sd, sa11x0_freq_table[ppcr].frequency, sdram); #if 0 /* @@ -277,8 +255,6 @@ static int sa1110_target(struct cpufreq_policy *policy, sd.mdcas[2] = 0xaaaaaaaa; #endif - cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); - /* * The clock could be going away for some time. Set the SDRAMs * to refresh rapidly (every 64 memory clock cycles). To get @@ -323,30 +299,22 @@ static int sa1110_target(struct cpufreq_policy *policy, /* * Now, return the SDRAM refresh back to normal. */ - sdram_update_refresh(freqs.new, sdram); - - cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE); + sdram_update_refresh(sa11x0_freq_table[ppcr].frequency, sdram); return 0; } static int __init sa1110_cpu_init(struct cpufreq_policy *policy) { - if (policy->cpu != 0) - return -EINVAL; - policy->cur = policy->min = policy->max = sa11x0_getspeed(0); - policy->cpuinfo.min_freq = 59000; - policy->cpuinfo.max_freq = 287000; - policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; - return 0; + return cpufreq_generic_init(policy, sa11x0_freq_table, CPUFREQ_ETERNAL); } /* sa1110_driver needs __refdata because it must remain after init registers * it with cpufreq_register_driver() */ static struct cpufreq_driver sa1110_driver __refdata = { .flags = CPUFREQ_STICKY, - .verify = sa11x0_verify_speed, - .target = sa1110_target, + .verify = cpufreq_generic_frequency_table_verify, + .target_index = sa1110_target, .get = sa11x0_getspeed, .init = sa1110_cpu_init, .name = "sa1110", |