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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-10-28 01:29:34 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-10-28 01:29:34 +0100
commit93658cb8597ab76655220be43d3d7f74c66e9e4e (patch)
treee6da56aac9cda2c80315cc73ee31ef4c47af8472 /drivers/cpufreq/pxa3xx-cpufreq.c
parent6e0ca95aa3c83c47d13f9f400bfaaa853d0b224b (diff)
parentad7722dab7292dbc1c4586d701ac226b68122d39 (diff)
downloadtalos-obmc-linux-93658cb8597ab76655220be43d3d7f74c66e9e4e.tar.gz
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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.c34
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",
};
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