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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-05-16 14:30:43 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-05-16 14:30:43 +0200
commitc47b3bd0d3a18a93d62b91d2d02e3fe599805e6d (patch)
treee38ebf3593da76e6a63c47c979e3ebfec7b041c9 /drivers/cpufreq/cpufreq-dt.c
parent29cff1844a340f27fa8b9a47adcee880dcc3ae6f (diff)
parent1aa7a6e2b8105f22a5f7d6def281f776459c95ba (diff)
downloadlinux-c47b3bd0d3a18a93d62b91d2d02e3fe599805e6d.tar.bz2
Merge branch 'pm-cpufreq'
* pm-cpufreq: (63 commits) intel_pstate: Clean up get_target_pstate_use_performance() intel_pstate: Use sample.core_avg_perf in get_avg_pstate() intel_pstate: Clarify average performance computation intel_pstate: Avoid unnecessary synchronize_sched() during initialization cpufreq: schedutil: Make default depend on CONFIG_SMP cpufreq: powernv: del_timer_sync when global and local pstate are equal cpufreq: powernv: Move smp_call_function_any() out of irq safe block intel_pstate: Clean up intel_pstate_get() cpufreq: schedutil: Make it depend on CONFIG_SMP cpufreq: governor: Fix handling of special cases in dbs_update() cpufreq: intel_pstate: Ignore _PPC processing under HWP cpufreq: arm_big_little: use generic OPP functions for {init, free}_opp_table cpufreq: tango: Use generic platdev driver cpufreq: Fix GOV_LIMITS handling for the userspace governor cpufreq: mvebu: Move cpufreq code into drivers/cpufreq/ cpufreq: dt: Kill platform-data mvebu: Use dev_pm_opp_set_sharing_cpus() to mark OPP tables as shared cpufreq: dt: Identify cpu-sharing for platforms without operating-points-v2 cpufreq: governor: Change confusing struct field and variable names cpufreq: intel_pstate: Enable PPC enforcement for servers ...
Diffstat (limited to 'drivers/cpufreq/cpufreq-dt.c')
-rw-r--r--drivers/cpufreq/cpufreq-dt.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index 5f8dbe640a20..3957de801ae8 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -15,7 +15,6 @@
#include <linux/cpu.h>
#include <linux/cpu_cooling.h>
#include <linux/cpufreq.h>
-#include <linux/cpufreq-dt.h>
#include <linux/cpumask.h>
#include <linux/err.h>
#include <linux/module.h>
@@ -147,7 +146,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
struct clk *cpu_clk;
struct dev_pm_opp *suspend_opp;
unsigned int transition_latency;
- bool opp_v1 = false;
+ bool fallback = false;
const char *name;
int ret;
@@ -167,14 +166,16 @@ static int cpufreq_init(struct cpufreq_policy *policy)
/* Get OPP-sharing information from "operating-points-v2" bindings */
ret = dev_pm_opp_of_get_sharing_cpus(cpu_dev, policy->cpus);
if (ret) {
+ if (ret != -ENOENT)
+ goto out_put_clk;
+
/*
* operating-points-v2 not supported, fallback to old method of
- * finding shared-OPPs for backward compatibility.
+ * finding shared-OPPs for backward compatibility if the
+ * platform hasn't set sharing CPUs.
*/
- if (ret == -ENOENT)
- opp_v1 = true;
- else
- goto out_put_clk;
+ if (dev_pm_opp_get_sharing_cpus(cpu_dev, policy->cpus))
+ fallback = true;
}
/*
@@ -214,11 +215,8 @@ static int cpufreq_init(struct cpufreq_policy *policy)
goto out_free_opp;
}
- if (opp_v1) {
- struct cpufreq_dt_platform_data *pd = cpufreq_get_driver_data();
-
- if (!pd || !pd->independent_clocks)
- cpumask_setall(policy->cpus);
+ if (fallback) {
+ cpumask_setall(policy->cpus);
/*
* OPP tables are initialized only for policy->cpu, do it for