diff options
Diffstat (limited to 'arch/arm/mach-pxa/cpufreq-pxa2xx.c')
| -rw-r--r-- | arch/arm/mach-pxa/cpufreq-pxa2xx.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c index 1f272ea83f3..6bb678db537 100644 --- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c +++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c @@ -109,6 +109,10 @@ static struct cpufreq_frequency_table static struct cpufreq_frequency_table pxa255_turbo_freq_table[NUM_PXA25x_TURBO_FREQS+1]; +static unsigned int pxa255_turbo_table; +module_param(pxa255_turbo_table, uint, 0); +MODULE_PARM_DESC(pxa255_turbo_table, "Selects the frequency table (0 = run table, !0 = turbo table)"); + /* * PXA270 definitions * @@ -158,22 +162,16 @@ static struct cpufreq_frequency_table extern unsigned get_clk_frequency_khz(int info); -static void find_freq_tables(struct cpufreq_policy *policy, - struct cpufreq_frequency_table **freq_table, +static void find_freq_tables(struct cpufreq_frequency_table **freq_table, pxa_freqs_t **pxa_freqs) { if (cpu_is_pxa25x()) { - if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) { + if (!pxa255_turbo_table) { *pxa_freqs = pxa255_run_freqs; *freq_table = pxa255_run_freq_table; - } else if (policy->policy == CPUFREQ_POLICY_POWERSAVE) { + } else { *pxa_freqs = pxa255_turbo_freqs; *freq_table = pxa255_turbo_freq_table; - } else { - printk("CPU PXA: Unknown policy found. " - "Using CPUFREQ_POLICY_PERFORMANCE\n"); - *pxa_freqs = pxa255_run_freqs; - *freq_table = pxa255_run_freq_table; } } if (cpu_is_pxa27x()) { @@ -212,7 +210,7 @@ static int pxa_verify_policy(struct cpufreq_policy *policy) pxa_freqs_t *pxa_freqs; int ret; - find_freq_tables(policy, &pxa_freqs_table, &pxa_freqs); + find_freq_tables(&pxa_freqs_table, &pxa_freqs); ret = cpufreq_frequency_table_verify(policy, pxa_freqs_table); if (freq_debug) @@ -240,7 +238,7 @@ static int pxa_set_target(struct cpufreq_policy *policy, unsigned int unused, preset_mdrefr, postset_mdrefr, cclkcfg; /* Get the current policy */ - find_freq_tables(policy, &pxa_freqs_table, &pxa_freq_settings); + find_freq_tables(&pxa_freqs_table, &pxa_freq_settings); /* Lookup the next frequency */ if (cpufreq_frequency_table_target(policy, pxa_freqs_table, @@ -329,6 +327,8 @@ static __init int pxa_cpufreq_init(struct cpufreq_policy *policy) { int i; unsigned int freq; + struct cpufreq_frequency_table *pxa255_freq_table; + pxa_freqs_t *pxa255_freqs; /* try to guess pxa27x cpu */ if (cpu_is_pxa27x()) @@ -354,6 +354,8 @@ static __init int pxa_cpufreq_init(struct cpufreq_policy *policy) } pxa255_turbo_freq_table[i].frequency = CPUFREQ_TABLE_END; + pxa255_turbo_table = !!pxa255_turbo_table; + /* Generate the pxa27x cpufreq_frequency_table struct */ for (i = 0; i < NUM_PXA27x_FREQS; i++) { freq = pxa27x_freqs[i].khz; @@ -368,8 +370,12 @@ static __init int pxa_cpufreq_init(struct cpufreq_policy *policy) * Set the policy's minimum and maximum frequencies from the tables * just constructed. This sets cpuinfo.mxx_freq, min and max. */ - if (cpu_is_pxa25x()) - cpufreq_frequency_table_cpuinfo(policy, pxa255_run_freq_table); + if (cpu_is_pxa25x()) { + find_freq_tables(&pxa255_freq_table, &pxa255_freqs); + pr_info("PXA255 cpufreq using %s frequency table\n", + pxa255_turbo_table ? "turbo" : "run"); + cpufreq_frequency_table_cpuinfo(policy, pxa255_freq_table); + } else if (cpu_is_pxa27x()) cpufreq_frequency_table_cpuinfo(policy, pxa27x_freq_table); |