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-rw-r--r--drivers/cpufreq/cpufreq.c35
-rw-r--r--drivers/cpufreq/exynos-cpufreq.c14
-rw-r--r--drivers/cpufreq/exynos5250-cpufreq.c55
-rw-r--r--drivers/cpufreq/omap-cpufreq.c4
-rw-r--r--drivers/cpufreq/pcc-cpufreq.c1
-rw-r--r--drivers/cpufreq/s3c2416-cpufreq.c4
-rw-r--r--drivers/cpufreq/speedstep-ich.c2
7 files changed, 70 insertions, 45 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 7f2f149ae40f..fb8a5279c5d8 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -138,7 +138,7 @@ void disable_cpufreq(void)
static LIST_HEAD(cpufreq_governor_list);
static DEFINE_MUTEX(cpufreq_governor_mutex);
-struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
+static struct cpufreq_policy *__cpufreq_cpu_get(unsigned int cpu, bool sysfs)
{
struct cpufreq_policy *data;
unsigned long flags;
@@ -162,7 +162,7 @@ struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
if (!data)
goto err_out_put_module;
- if (!kobject_get(&data->kobj))
+ if (!sysfs && !kobject_get(&data->kobj))
goto err_out_put_module;
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
@@ -175,16 +175,35 @@ err_out_unlock:
err_out:
return NULL;
}
+
+struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
+{
+ return __cpufreq_cpu_get(cpu, false);
+}
EXPORT_SYMBOL_GPL(cpufreq_cpu_get);
+static struct cpufreq_policy *cpufreq_cpu_get_sysfs(unsigned int cpu)
+{
+ return __cpufreq_cpu_get(cpu, true);
+}
-void cpufreq_cpu_put(struct cpufreq_policy *data)
+static void __cpufreq_cpu_put(struct cpufreq_policy *data, bool sysfs)
{
- kobject_put(&data->kobj);
+ if (!sysfs)
+ kobject_put(&data->kobj);
module_put(cpufreq_driver->owner);
}
+
+void cpufreq_cpu_put(struct cpufreq_policy *data)
+{
+ __cpufreq_cpu_put(data, false);
+}
EXPORT_SYMBOL_GPL(cpufreq_cpu_put);
+static void cpufreq_cpu_put_sysfs(struct cpufreq_policy *data)
+{
+ __cpufreq_cpu_put(data, true);
+}
/*********************************************************************
* EXTERNALLY AFFECTING FREQUENCY CHANGES *
@@ -617,7 +636,7 @@ static ssize_t show(struct kobject *kobj, struct attribute *attr, char *buf)
struct cpufreq_policy *policy = to_policy(kobj);
struct freq_attr *fattr = to_attr(attr);
ssize_t ret = -EINVAL;
- policy = cpufreq_cpu_get(policy->cpu);
+ policy = cpufreq_cpu_get_sysfs(policy->cpu);
if (!policy)
goto no_policy;
@@ -631,7 +650,7 @@ static ssize_t show(struct kobject *kobj, struct attribute *attr, char *buf)
unlock_policy_rwsem_read(policy->cpu);
fail:
- cpufreq_cpu_put(policy);
+ cpufreq_cpu_put_sysfs(policy);
no_policy:
return ret;
}
@@ -642,7 +661,7 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr,
struct cpufreq_policy *policy = to_policy(kobj);
struct freq_attr *fattr = to_attr(attr);
ssize_t ret = -EINVAL;
- policy = cpufreq_cpu_get(policy->cpu);
+ policy = cpufreq_cpu_get_sysfs(policy->cpu);
if (!policy)
goto no_policy;
@@ -656,7 +675,7 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr,
unlock_policy_rwsem_write(policy->cpu);
fail:
- cpufreq_cpu_put(policy);
+ cpufreq_cpu_put_sysfs(policy);
no_policy:
return ret;
}
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index b243a7ee01f6..af2d81e10f71 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -62,8 +62,18 @@ static int exynos_target(struct cpufreq_policy *policy,
goto out;
}
- if (cpufreq_frequency_table_target(policy, freq_table,
- freqs.old, relation, &old_index)) {
+ /*
+ * The policy max have been changed so that we cannot get proper
+ * old_index with cpufreq_frequency_table_target(). Thus, ignore
+ * policy and get the index from the raw freqeuncy table.
+ */
+ for (old_index = 0;
+ freq_table[old_index].frequency != CPUFREQ_TABLE_END;
+ old_index++)
+ if (freq_table[old_index].frequency == freqs.old)
+ break;
+
+ if (freq_table[old_index].frequency == CPUFREQ_TABLE_END) {
ret = -EINVAL;
goto out;
}
diff --git a/drivers/cpufreq/exynos5250-cpufreq.c b/drivers/cpufreq/exynos5250-cpufreq.c
index a88331644ebf..e64c253cb169 100644
--- a/drivers/cpufreq/exynos5250-cpufreq.c
+++ b/drivers/cpufreq/exynos5250-cpufreq.c
@@ -65,20 +65,20 @@ static unsigned int clkdiv_cpu0_5250[CPUFREQ_LEVEL_END][8] = {
* Clock divider value for following
* { ARM, CPUD, ACP, PERIPH, ATB, PCLK_DBG, APLL, ARM2 }
*/
- { 0, 3, 7, 7, 6, 1, 3, 0 }, /* 1700 MHz - N/A */
- { 0, 3, 7, 7, 6, 1, 3, 0 }, /* 1600 MHz - N/A */
- { 0, 3, 7, 7, 5, 1, 3, 0 }, /* 1500 MHz - N/A */
- { 0, 3, 7, 7, 6, 1, 3, 0 }, /* 1400 MHz */
- { 0, 3, 7, 7, 6, 1, 3, 0 }, /* 1300 MHz */
- { 0, 3, 7, 7, 5, 1, 3, 0 }, /* 1200 MHz */
- { 0, 2, 7, 7, 5, 1, 2, 0 }, /* 1100 MHz */
- { 0, 2, 7, 7, 4, 1, 2, 0 }, /* 1000 MHz */
- { 0, 2, 7, 7, 4, 1, 2, 0 }, /* 900 MHz */
- { 0, 2, 7, 7, 3, 1, 1, 0 }, /* 800 MHz */
+ { 0, 3, 7, 7, 7, 3, 5, 0 }, /* 1700 MHz */
+ { 0, 3, 7, 7, 7, 1, 4, 0 }, /* 1600 MHz */
+ { 0, 2, 7, 7, 7, 1, 4, 0 }, /* 1500 MHz */
+ { 0, 2, 7, 7, 6, 1, 4, 0 }, /* 1400 MHz */
+ { 0, 2, 7, 7, 6, 1, 3, 0 }, /* 1300 MHz */
+ { 0, 2, 7, 7, 5, 1, 3, 0 }, /* 1200 MHz */
+ { 0, 3, 7, 7, 5, 1, 3, 0 }, /* 1100 MHz */
+ { 0, 1, 7, 7, 4, 1, 2, 0 }, /* 1000 MHz */
+ { 0, 1, 7, 7, 4, 1, 2, 0 }, /* 900 MHz */
+ { 0, 1, 7, 7, 4, 1, 2, 0 }, /* 800 MHz */
{ 0, 1, 7, 7, 3, 1, 1, 0 }, /* 700 MHz */
- { 0, 1, 7, 7, 2, 1, 1, 0 }, /* 600 MHz */
+ { 0, 1, 7, 7, 3, 1, 1, 0 }, /* 600 MHz */
{ 0, 1, 7, 7, 2, 1, 1, 0 }, /* 500 MHz */
- { 0, 1, 7, 7, 1, 1, 1, 0 }, /* 400 MHz */
+ { 0, 1, 7, 7, 2, 1, 1, 0 }, /* 400 MHz */
{ 0, 1, 7, 7, 1, 1, 1, 0 }, /* 300 MHz */
{ 0, 1, 7, 7, 1, 1, 1, 0 }, /* 200 MHz */
};
@@ -87,9 +87,9 @@ static unsigned int clkdiv_cpu1_5250[CPUFREQ_LEVEL_END][2] = {
/* Clock divider value for following
* { COPY, HPM }
*/
- { 0, 2 }, /* 1700 MHz - N/A */
- { 0, 2 }, /* 1600 MHz - N/A */
- { 0, 2 }, /* 1500 MHz - N/A */
+ { 0, 2 }, /* 1700 MHz */
+ { 0, 2 }, /* 1600 MHz */
+ { 0, 2 }, /* 1500 MHz */
{ 0, 2 }, /* 1400 MHz */
{ 0, 2 }, /* 1300 MHz */
{ 0, 2 }, /* 1200 MHz */
@@ -106,10 +106,10 @@ static unsigned int clkdiv_cpu1_5250[CPUFREQ_LEVEL_END][2] = {
};
static unsigned int exynos5_apll_pms_table[CPUFREQ_LEVEL_END] = {
- (0), /* 1700 MHz - N/A */
- (0), /* 1600 MHz - N/A */
- (0), /* 1500 MHz - N/A */
- (0), /* 1400 MHz */
+ ((425 << 16) | (6 << 8) | 0), /* 1700 MHz */
+ ((200 << 16) | (3 << 8) | 0), /* 1600 MHz */
+ ((250 << 16) | (4 << 8) | 0), /* 1500 MHz */
+ ((175 << 16) | (3 << 8) | 0), /* 1400 MHz */
((325 << 16) | (6 << 8) | 0), /* 1300 MHz */
((200 << 16) | (4 << 8) | 0), /* 1200 MHz */
((275 << 16) | (6 << 8) | 0), /* 1100 MHz */
@@ -126,9 +126,10 @@ static unsigned int exynos5_apll_pms_table[CPUFREQ_LEVEL_END] = {
/* ASV group voltage table */
static const unsigned int asv_voltage_5250[CPUFREQ_LEVEL_END] = {
- 0, 0, 0, 0, 0, 0, 0, /* 1700 MHz ~ 1100 MHz Not supported */
- 1175000, 1125000, 1075000, 1050000, 1000000,
- 950000, 925000, 925000, 900000
+ 1300000, 1250000, 1225000, 1200000, 1150000,
+ 1125000, 1100000, 1075000, 1050000, 1025000,
+ 1012500, 1000000, 975000, 950000, 937500,
+ 925000
};
static void set_clkdiv(unsigned int div_index)
@@ -248,15 +249,7 @@ static void __init set_volt_table(void)
{
unsigned int i;
- exynos5250_freq_table[L0].frequency = CPUFREQ_ENTRY_INVALID;
- exynos5250_freq_table[L1].frequency = CPUFREQ_ENTRY_INVALID;
- exynos5250_freq_table[L2].frequency = CPUFREQ_ENTRY_INVALID;
- exynos5250_freq_table[L3].frequency = CPUFREQ_ENTRY_INVALID;
- exynos5250_freq_table[L4].frequency = CPUFREQ_ENTRY_INVALID;
- exynos5250_freq_table[L5].frequency = CPUFREQ_ENTRY_INVALID;
- exynos5250_freq_table[L6].frequency = CPUFREQ_ENTRY_INVALID;
-
- max_support_idx = L7;
+ max_support_idx = L0;
for (i = 0 ; i < CPUFREQ_LEVEL_END ; i++)
exynos5250_volt_table[i] = asv_voltage_5250[i];
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 17fa04d08be9..b47034e650a5 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -218,7 +218,7 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
policy->cur = policy->min = policy->max = omap_getspeed(policy->cpu);
- if (atomic_inc_return(&freq_table_users) == 1)
+ if (!freq_table)
result = opp_init_cpufreq_table(mpu_dev, &freq_table);
if (result) {
@@ -227,6 +227,8 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
goto fail_ck;
}
+ atomic_inc_return(&freq_table_users);
+
result = cpufreq_frequency_table_cpuinfo(policy, freq_table);
if (result)
goto fail_table;
diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
index cdc02ac8f41a..503996a94a6a 100644
--- a/drivers/cpufreq/pcc-cpufreq.c
+++ b/drivers/cpufreq/pcc-cpufreq.c
@@ -454,6 +454,7 @@ static int __init pcc_cpufreq_probe(void)
mem_resource->address_length);
if (pcch_virt_addr == NULL) {
pr_debug("probe: could not map shared mem region\n");
+ ret = -ENOMEM;
goto out_free;
}
pcch_hdr = pcch_virt_addr;
diff --git a/drivers/cpufreq/s3c2416-cpufreq.c b/drivers/cpufreq/s3c2416-cpufreq.c
index 50d2f15a3c8a..bcc053bc02c4 100644
--- a/drivers/cpufreq/s3c2416-cpufreq.c
+++ b/drivers/cpufreq/s3c2416-cpufreq.c
@@ -153,7 +153,7 @@ static int s3c2416_cpufreq_enter_dvs(struct s3c2416_data *s3c_freq, int idx)
if (s3c_freq->vddarm) {
dvfs = &s3c2416_dvfs_table[idx];
- pr_debug("cpufreq: setting regultor to %d-%d\n",
+ pr_debug("cpufreq: setting regulator to %d-%d\n",
dvfs->vddarm_min, dvfs->vddarm_max);
ret = regulator_set_voltage(s3c_freq->vddarm,
dvfs->vddarm_min,
@@ -186,7 +186,7 @@ static int s3c2416_cpufreq_leave_dvs(struct s3c2416_data *s3c_freq, int idx)
if (s3c_freq->vddarm) {
dvfs = &s3c2416_dvfs_table[idx];
- pr_debug("cpufreq: setting regultor to %d-%d\n",
+ pr_debug("cpufreq: setting regulator to %d-%d\n",
dvfs->vddarm_min, dvfs->vddarm_max);
ret = regulator_set_voltage(s3c_freq->vddarm,
dvfs->vddarm_min,
diff --git a/drivers/cpufreq/speedstep-ich.c b/drivers/cpufreq/speedstep-ich.c
index 7432b3a72cd4..e29b59aa68a8 100644
--- a/drivers/cpufreq/speedstep-ich.c
+++ b/drivers/cpufreq/speedstep-ich.c
@@ -203,7 +203,7 @@ static unsigned int speedstep_detect_chipset(void)
if (speedstep_chipset_dev) {
/* speedstep.c causes lockups on Dell Inspirons 8000 and
* 8100 which use a pretty old revision of the 82815
- * host brige. Abort on these systems.
+ * host bridge. Abort on these systems.
*/
static struct pci_dev *hostbridge;
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-31 07:52:24 +0300