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authorViresh Kumar <viresh.kumar@linaro.org>2022-06-02 13:05:45 +0530
committerViresh Kumar <viresh.kumar@linaro.org>2022-07-08 11:27:50 +0530
commitc2ab2cb6379ce302dec3a017fc0de1d5bae349f8 (patch)
treec3293db5b4d897e0436171d94965a6b9f4d8ab29 /drivers/opp
parentaab8ced2210837c3f1f7f42f715cdf32729cabde (diff)
downloadlinux-c2ab2cb6379ce302dec3a017fc0de1d5bae349f8.tar.bz2
OPP: Use generic key finding helpers for level key
Use the recently added generic key findings helpers to find level key values. Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/opp')
-rw-r--r--drivers/opp/core.c63
1 files changed, 10 insertions, 53 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index c850b8691ee6..968fdbbc0693 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -433,6 +433,11 @@ static unsigned long _read_freq(struct dev_pm_opp *opp, int index)
return opp->rate;
}
+static unsigned long _read_level(struct dev_pm_opp *opp, int index)
+{
+ return opp->level;
+}
+
/* Generic comparison helpers */
static bool _compare_exact(struct dev_pm_opp **opp, struct dev_pm_opp *temp_opp,
unsigned long opp_key, unsigned long key)
@@ -656,33 +661,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_find_freq_floor);
struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev,
unsigned int level)
{
- struct opp_table *opp_table;
- struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE);
-
- opp_table = _find_opp_table(dev);
- if (IS_ERR(opp_table)) {
- int r = PTR_ERR(opp_table);
-
- dev_err(dev, "%s: OPP table not found (%d)\n", __func__, r);
- return ERR_PTR(r);
- }
-
- mutex_lock(&opp_table->lock);
-
- list_for_each_entry(temp_opp, &opp_table->opp_list, node) {
- if (temp_opp->level == level) {
- opp = temp_opp;
-
- /* Increment the reference count of OPP */
- dev_pm_opp_get(opp);
- break;
- }
- }
-
- mutex_unlock(&opp_table->lock);
- dev_pm_opp_put_opp_table(opp_table);
-
- return opp;
+ return _find_key_exact(dev, level, 0, true, _read_level);
}
EXPORT_SYMBOL_GPL(dev_pm_opp_find_level_exact);
@@ -704,33 +683,11 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_find_level_exact);
struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
unsigned int *level)
{
- struct opp_table *opp_table;
- struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE);
-
- opp_table = _find_opp_table(dev);
- if (IS_ERR(opp_table)) {
- int r = PTR_ERR(opp_table);
-
- dev_err(dev, "%s: OPP table not found (%d)\n", __func__, r);
- return ERR_PTR(r);
- }
-
- mutex_lock(&opp_table->lock);
-
- list_for_each_entry(temp_opp, &opp_table->opp_list, node) {
- if (temp_opp->available && temp_opp->level >= *level) {
- opp = temp_opp;
- *level = opp->level;
-
- /* Increment the reference count of OPP */
- dev_pm_opp_get(opp);
- break;
- }
- }
-
- mutex_unlock(&opp_table->lock);
- dev_pm_opp_put_opp_table(opp_table);
+ unsigned long temp = *level;
+ struct dev_pm_opp *opp;
+ opp = _find_key_ceil(dev, &temp, 0, true, _read_level);
+ *level = temp;
return opp;
}
EXPORT_SYMBOL_GPL(dev_pm_opp_find_level_ceil);