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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-28 01:29:34 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-28 01:29:34 +0100 |
commit | 93658cb8597ab76655220be43d3d7f74c66e9e4e (patch) | |
tree | e6da56aac9cda2c80315cc73ee31ef4c47af8472 /drivers/cpufreq/pxa3xx-cpufreq.c | |
parent | 6e0ca95aa3c83c47d13f9f400bfaaa853d0b224b (diff) | |
parent | ad7722dab7292dbc1c4586d701ac226b68122d39 (diff) | |
download | talos-obmc-linux-93658cb8597ab76655220be43d3d7f74c66e9e4e.tar.gz talos-obmc-linux-93658cb8597ab76655220be43d3d7f74c66e9e4e.zip |
Merge branch 'pm-cpufreq'
* pm-cpufreq: (167 commits)
cpufreq: create per policy rwsem instead of per CPU cpu_policy_rwsem
intel_pstate: Add Baytrail support
intel_pstate: Refactor driver to support CPUs with different MSR layouts
cpufreq: Implement light weight ->target_index() routine
PM / OPP: rename header to linux/pm_opp.h
PM / OPP: rename data structures to dev_pm equivalents
PM / OPP: rename functions to dev_pm_opp*
cpufreq / governor: Remove fossil comment
cpufreq: exynos4210: Use the common clock framework to set APLL clock rate
cpufreq: exynos4x12: Use the common clock framework to set APLL clock rate
cpufreq: Detect spurious invocations of update_policy_cpu()
cpufreq: pmac64: enable cpufreq on iMac G5 (iSight) model
cpufreq: pmac64: provide cpufreq transition latency for older G5 models
cpufreq: pmac64: speed up frequency switch
cpufreq: highbank-cpufreq: Enable Midway/ECX-2000
exynos-cpufreq: fix false return check from "regulator_set_voltage"
speedstep-centrino: Remove unnecessary braces
acpi-cpufreq: Add comment under ACPI_ADR_SPACE_SYSTEM_IO case
cpufreq: arm-big-little: use clk_get instead of clk_get_sys
cpufreq: exynos: Show a list of available frequencies
...
Conflicts:
drivers/devfreq/exynos/exynos5_bus.c
Diffstat (limited to 'drivers/cpufreq/pxa3xx-cpufreq.c')
-rw-r--r-- | drivers/cpufreq/pxa3xx-cpufreq.c | 34 |
1 files changed, 9 insertions, 25 deletions
diff --git a/drivers/cpufreq/pxa3xx-cpufreq.c b/drivers/cpufreq/pxa3xx-cpufreq.c index d26306fb00d2..132e37d578c2 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) @@ -150,34 +150,21 @@ 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]; + next = &pxa3xx_freqs[index]; freqs.old = policy->cur; freqs.new = next->cpufreq_mhz * 1000; @@ -186,9 +173,6 @@ static int pxa3xx_cpufreq_set(struct cpufreq_policy *policy, 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); local_irq_save(flags); @@ -206,11 +190,10 @@ 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 +213,10 @@ 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", }; |