--- zzzz-none-000/linux-3.10.107/drivers/cpufreq/sc520_freq.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/cpufreq/sc520_freq.c 2021-02-04 17:41:59.000000000 +0000 @@ -33,9 +33,9 @@ #define PFX "sc520_freq: " static struct cpufreq_frequency_table sc520_freq_table[] = { - {0x01, 100000}, - {0x02, 133000}, - {0, CPUFREQ_TABLE_END}, + {0, 0x01, 100000}, + {0, 0x02, 133000}, + {0, 0, CPUFREQ_TABLE_END}, }; static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu) @@ -53,52 +53,21 @@ } } -static void sc520_freq_set_cpu_state(struct cpufreq_policy *policy, - unsigned int state) +static int sc520_freq_target(struct cpufreq_policy *policy, unsigned int state) { - struct cpufreq_freqs freqs; u8 clockspeed_reg; - freqs.old = sc520_freq_get_cpu_frequency(0); - freqs.new = sc520_freq_table[state].frequency; - - cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); - - pr_debug("attempting to set frequency to %i kHz\n", - sc520_freq_table[state].frequency); - local_irq_disable(); clockspeed_reg = *cpuctl & ~0x03; - *cpuctl = clockspeed_reg | sc520_freq_table[state].index; + *cpuctl = clockspeed_reg | sc520_freq_table[state].driver_data; local_irq_enable(); - cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE); -}; - -static int sc520_freq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, &sc520_freq_table[0]); -} - -static int sc520_freq_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - unsigned int newstate = 0; - - if (cpufreq_frequency_table_target(policy, sc520_freq_table, - target_freq, relation, &newstate)) - return -EINVAL; - - sc520_freq_set_cpu_state(policy, newstate); - return 0; } - /* * Module init and exit code */ @@ -106,7 +75,6 @@ static int sc520_freq_cpu_init(struct cpufreq_policy *policy) { struct cpuinfo_x86 *c = &cpu_data(0); - int result; /* capability check */ if (c->x86_vendor != X86_VENDOR_AMD || @@ -115,40 +83,18 @@ /* cpuinfo and default policy values */ policy->cpuinfo.transition_latency = 1000000; /* 1ms */ - policy->cur = sc520_freq_get_cpu_frequency(0); - - result = cpufreq_frequency_table_cpuinfo(policy, sc520_freq_table); - if (result) - return result; - - cpufreq_frequency_table_get_attr(sc520_freq_table, policy->cpu); - - return 0; -} - -static int sc520_freq_cpu_exit(struct cpufreq_policy *policy) -{ - cpufreq_frequency_table_put_attr(policy->cpu); - return 0; + return cpufreq_table_validate_and_show(policy, sc520_freq_table); } -static struct freq_attr *sc520_freq_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - - static struct cpufreq_driver sc520_freq_driver = { .get = sc520_freq_get_cpu_frequency, - .verify = sc520_freq_verify, - .target = sc520_freq_target, + .verify = cpufreq_generic_frequency_table_verify, + .target_index = sc520_freq_target, .init = sc520_freq_cpu_init, - .exit = sc520_freq_cpu_exit, .name = "sc520_freq", - .owner = THIS_MODULE, - .attr = sc520_freq_attr, + .attr = cpufreq_generic_attr, }; static const struct x86_cpu_id sc520_ids[] = {