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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-05-11 18:08:10 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-05-11 18:08:10 +0200
commit94cc2fde365fb4484080ea6675bb1e0c933f8002 (patch)
treea249c6f6b12ff2dbe39d78bfb050e9c28619bee9 /drivers/cpufreq/cppc_cpufreq.c
parent900aa8ad21587e909603f471b6cd81fd5338ec45 (diff)
parent8eb008c80841e3410ef2c043093478ea36bb5ff1 (diff)
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
drm-misc-next is still based on v4.16-rc7, and was getting a bit stale. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/cpufreq/cppc_cpufreq.c')
-rw-r--r--drivers/cpufreq/cppc_cpufreq.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index a1c3025f9df7..bc5fc1630876 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -20,6 +20,7 @@
#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <linux/dmi.h>
+#include <linux/time.h>
#include <linux/vmalloc.h>
#include <asm/unaligned.h>
@@ -161,12 +162,23 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
cpu->perf_caps.highest_perf;
policy->cpuinfo.max_freq = cppc_dmi_max_khz;
- policy->cpuinfo.transition_latency = cppc_get_transition_latency(cpu_num);
+ policy->transition_delay_us = cppc_get_transition_latency(cpu_num) /
+ NSEC_PER_USEC;
policy->shared_type = cpu->shared_type;
- if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
+ if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) {
+ int i;
+
cpumask_copy(policy->cpus, cpu->shared_cpu_map);
- else if (policy->shared_type == CPUFREQ_SHARED_TYPE_ALL) {
+
+ for_each_cpu(i, policy->cpus) {
+ if (unlikely(i == policy->cpu))
+ continue;
+
+ memcpy(&all_cpu_data[i]->perf_caps, &cpu->perf_caps,
+ sizeof(cpu->perf_caps));
+ }
+ } else if (policy->shared_type == CPUFREQ_SHARED_TYPE_ALL) {
/* Support only SW_ANY for now. */
pr_debug("Unsupported CPU co-ord type\n");
return -EFAULT;
@@ -230,8 +242,13 @@ static int __init cppc_cpufreq_init(void)
return ret;
out:
- for_each_possible_cpu(i)
- kfree(all_cpu_data[i]);
+ for_each_possible_cpu(i) {
+ cpu = all_cpu_data[i];
+ if (!cpu)
+ break;
+ free_cpumask_var(cpu->shared_cpu_map);
+ kfree(cpu);
+ }
kfree(all_cpu_data);
return -ENODEV;