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path: root/drivers/devfreq/devfreq.c
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Diffstat (limited to 'drivers/devfreq/devfreq.c')
-rw-r--r--drivers/devfreq/devfreq.c76
1 files changed, 37 insertions, 39 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 01474daf4548..9602141bb8ec 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -123,7 +123,7 @@ void devfreq_get_freq_range(struct devfreq *devfreq,
unsigned long *min_freq,
unsigned long *max_freq)
{
- unsigned long *freq_table = devfreq->profile->freq_table;
+ unsigned long *freq_table = devfreq->freq_table;
s32 qos_min_freq, qos_max_freq;
lockdep_assert_held(&devfreq->lock);
@@ -133,11 +133,11 @@ void devfreq_get_freq_range(struct devfreq *devfreq,
* The devfreq drivers can initialize this in either ascending or
* descending order and devfreq core supports both.
*/
- if (freq_table[0] < freq_table[devfreq->profile->max_state - 1]) {
+ if (freq_table[0] < freq_table[devfreq->max_state - 1]) {
*min_freq = freq_table[0];
- *max_freq = freq_table[devfreq->profile->max_state - 1];
+ *max_freq = freq_table[devfreq->max_state - 1];
} else {
- *min_freq = freq_table[devfreq->profile->max_state - 1];
+ *min_freq = freq_table[devfreq->max_state - 1];
*max_freq = freq_table[0];
}
@@ -169,8 +169,8 @@ static int devfreq_get_freq_level(struct devfreq *devfreq, unsigned long freq)
{
int lev;
- for (lev = 0; lev < devfreq->profile->max_state; lev++)
- if (freq == devfreq->profile->freq_table[lev])
+ for (lev = 0; lev < devfreq->max_state; lev++)
+ if (freq == devfreq->freq_table[lev])
return lev;
return -EINVAL;
@@ -178,7 +178,6 @@ static int devfreq_get_freq_level(struct devfreq *devfreq, unsigned long freq)
static int set_freq_table(struct devfreq *devfreq)
{
- struct devfreq_dev_profile *profile = devfreq->profile;
struct dev_pm_opp *opp;
unsigned long freq;
int i, count;
@@ -188,25 +187,22 @@ static int set_freq_table(struct devfreq *devfreq)
if (count <= 0)
return -EINVAL;
- profile->max_state = count;
- profile->freq_table = devm_kcalloc(devfreq->dev.parent,
- profile->max_state,
- sizeof(*profile->freq_table),
- GFP_KERNEL);
- if (!profile->freq_table) {
- profile->max_state = 0;
+ devfreq->max_state = count;
+ devfreq->freq_table = devm_kcalloc(devfreq->dev.parent,
+ devfreq->max_state,
+ sizeof(*devfreq->freq_table),
+ GFP_KERNEL);
+ if (!devfreq->freq_table)
return -ENOMEM;
- }
- for (i = 0, freq = 0; i < profile->max_state; i++, freq++) {
+ for (i = 0, freq = 0; i < devfreq->max_state; i++, freq++) {
opp = dev_pm_opp_find_freq_ceil(devfreq->dev.parent, &freq);
if (IS_ERR(opp)) {
- devm_kfree(devfreq->dev.parent, profile->freq_table);
- profile->max_state = 0;
+ devm_kfree(devfreq->dev.parent, devfreq->freq_table);
return PTR_ERR(opp);
}
dev_pm_opp_put(opp);
- profile->freq_table[i] = freq;
+ devfreq->freq_table[i] = freq;
}
return 0;
@@ -246,7 +242,7 @@ int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
if (lev != prev_lev) {
devfreq->stats.trans_table[
- (prev_lev * devfreq->profile->max_state) + lev]++;
+ (prev_lev * devfreq->max_state) + lev]++;
devfreq->stats.total_trans++;
}
@@ -835,6 +831,9 @@ struct devfreq *devfreq_add_device(struct device *dev,
if (err < 0)
goto err_dev;
mutex_lock(&devfreq->lock);
+ } else {
+ devfreq->freq_table = devfreq->profile->freq_table;
+ devfreq->max_state = devfreq->profile->max_state;
}
devfreq->scaling_min_freq = find_available_min_freq(devfreq);
@@ -870,8 +869,8 @@ struct devfreq *devfreq_add_device(struct device *dev,
devfreq->stats.trans_table = devm_kzalloc(&devfreq->dev,
array3_size(sizeof(unsigned int),
- devfreq->profile->max_state,
- devfreq->profile->max_state),
+ devfreq->max_state,
+ devfreq->max_state),
GFP_KERNEL);
if (!devfreq->stats.trans_table) {
mutex_unlock(&devfreq->lock);
@@ -880,7 +879,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
}
devfreq->stats.time_in_state = devm_kcalloc(&devfreq->dev,
- devfreq->profile->max_state,
+ devfreq->max_state,
sizeof(*devfreq->stats.time_in_state),
GFP_KERNEL);
if (!devfreq->stats.time_in_state) {
@@ -932,8 +931,9 @@ struct devfreq *devfreq_add_device(struct device *dev,
err = devfreq->governor->event_handler(devfreq, DEVFREQ_GOV_START,
NULL);
if (err) {
- dev_err(dev, "%s: Unable to start governor for the device\n",
- __func__);
+ dev_err_probe(dev, err,
+ "%s: Unable to start governor for the device\n",
+ __func__);
goto err_init;
}
create_sysfs_files(devfreq, devfreq->governor);
@@ -1665,9 +1665,9 @@ static ssize_t available_frequencies_show(struct device *d,
mutex_lock(&df->lock);
- for (i = 0; i < df->profile->max_state; i++)
+ for (i = 0; i < df->max_state; i++)
count += scnprintf(&buf[count], (PAGE_SIZE - count - 2),
- "%lu ", df->profile->freq_table[i]);
+ "%lu ", df->freq_table[i]);
mutex_unlock(&df->lock);
/* Truncate the trailing space */
@@ -1690,7 +1690,7 @@ static ssize_t trans_stat_show(struct device *dev,
if (!df->profile)
return -EINVAL;
- max_state = df->profile->max_state;
+ max_state = df->max_state;
if (max_state == 0)
return sprintf(buf, "Not Supported.\n");
@@ -1707,19 +1707,17 @@ static ssize_t trans_stat_show(struct device *dev,
len += sprintf(buf + len, " :");
for (i = 0; i < max_state; i++)
len += sprintf(buf + len, "%10lu",
- df->profile->freq_table[i]);
+ df->freq_table[i]);
len += sprintf(buf + len, " time(ms)\n");
for (i = 0; i < max_state; i++) {
- if (df->profile->freq_table[i]
- == df->previous_freq) {
+ if (df->freq_table[i] == df->previous_freq)
len += sprintf(buf + len, "*");
- } else {
+ else
len += sprintf(buf + len, " ");
- }
- len += sprintf(buf + len, "%10lu:",
- df->profile->freq_table[i]);
+
+ len += sprintf(buf + len, "%10lu:", df->freq_table[i]);
for (j = 0; j < max_state; j++)
len += sprintf(buf + len, "%10u",
df->stats.trans_table[(i * max_state) + j]);
@@ -1743,7 +1741,7 @@ static ssize_t trans_stat_store(struct device *dev,
if (!df->profile)
return -EINVAL;
- if (df->profile->max_state == 0)
+ if (df->max_state == 0)
return count;
err = kstrtoint(buf, 10, &value);
@@ -1751,11 +1749,11 @@ static ssize_t trans_stat_store(struct device *dev,
return -EINVAL;
mutex_lock(&df->lock);
- memset(df->stats.time_in_state, 0, (df->profile->max_state *
+ memset(df->stats.time_in_state, 0, (df->max_state *
sizeof(*df->stats.time_in_state)));
memset(df->stats.trans_table, 0, array3_size(sizeof(unsigned int),
- df->profile->max_state,
- df->profile->max_state));
+ df->max_state,
+ df->max_state));
df->stats.total_trans = 0;
df->stats.last_update = get_jiffies_64();
mutex_unlock(&df->lock);
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-26 09:14:53 +0000