Merge branch 'pm-cpufreq'

* pm-cpufreq:
  intel_pstate: Add support for Baytrail turbo P states
  intel_pstate: Use LFM bus ratio as min ratio/P state
  cpufreq: powernow-k8: Initialize per-cpu data-structures properly
  cpufreq: remove sysfs link when a cpu != policy->cpu, is removed

3 files changed, 21 insertions, 9 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 08ca8c9f41cd..cb003a6b72c8 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1323,8 +1323,7 @@ static int __cpufreq_remove_dev_prepare(struct device *dev,
         up_read(&policy->rwsem);
 
         if (cpu != policy->cpu) {
-                if (!frozen)
-                        sysfs_remove_link(&dev->kobj, "cpufreq");
+                sysfs_remove_link(&dev->kobj, "cpufreq");
         } else if (cpus > 1) {
                 new_cpu = cpufreq_nominate_new_policy_cpu(policy, cpu);
                 if (new_cpu >= 0) {
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index c788abf1c457..e90816105921 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -34,8 +34,10 @@
 
 #define SAMPLE_COUNT            3
 
-#define BYT_RATIOS      0x66a
-#define BYT_VIDS        0x66b
+#define BYT_RATIOS              0x66a
+#define BYT_VIDS                0x66b
+#define BYT_TURBO_RATIOS        0x66c
+
 
 #define FRAC_BITS 8
 #define int_tofp(X) ((int64_t)(X) << FRAC_BITS)
@@ -357,7 +359,7 @@ static int byt_get_min_pstate(void)
 {
         u64 value;
         rdmsrl(BYT_RATIOS, value);
-        return value & 0xFF;
+        return (value >> 8) & 0xFF;
 }
 
 static int byt_get_max_pstate(void)
@@ -367,6 +369,13 @@ static int byt_get_max_pstate(void)
         return (value >> 16) & 0xFF;
 }
 
+static int byt_get_turbo_pstate(void)
+{
+        u64 value;
+        rdmsrl(BYT_TURBO_RATIOS, value);
+        return value & 0x3F;
+}
+
 static void byt_set_pstate(struct cpudata *cpudata, int pstate)
 {
         u64 val;
@@ -469,7 +478,7 @@ static struct cpu_defaults byt_params = {
         .funcs = {
                 .get_max = byt_get_max_pstate,
                 .get_min = byt_get_min_pstate,
-                .get_turbo = byt_get_max_pstate,
+                .get_turbo = byt_get_turbo_pstate,
                 .set = byt_set_pstate,
                 .get_vid = byt_get_vid,
         },
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index e10b646634d7..6684e0342792 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -1076,7 +1076,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol)
 {
         struct powernow_k8_data *data;
         struct init_on_cpu init_on_cpu;
-        int rc;
+        int rc, cpu;
 
         smp_call_function_single(pol->cpu, check_supported_cpu, &rc, 1);
         if (rc)
@@ -1140,7 +1140,9 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol)
         pr_debug("cpu_init done, current fid 0x%x, vid 0x%x\n",
                  data->currfid, data->currvid);
 
-        per_cpu(powernow_data, pol->cpu) = data;
+        /* Point all the CPUs in this policy to the same data */
+        for_each_cpu(cpu, pol->cpus)
+                per_cpu(powernow_data, cpu) = data;
 
         return 0;
 
@@ -1155,6 +1157,7 @@ err_out:
 static int powernowk8_cpu_exit(struct cpufreq_policy *pol)
 {
         struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
+        int cpu;
 
         if (!data)
                 return -EINVAL;
@@ -1165,7 +1168,8 @@ static int powernowk8_cpu_exit(struct cpufreq_policy *pol)
 
         kfree(data->powernow_table);
         kfree(data);
-        per_cpu(powernow_data, pol->cpu) = NULL;
+        for_each_cpu(cpu, pol->cpus)
+                per_cpu(powernow_data, cpu) = NULL;
 
         return 0;
 }