aboutsummaryrefslogtreecommitdiff
path: root/drivers/opp/core.c
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-02-12 12:14:33 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-02-12 12:14:33 +0100
commit78317ed93a5865889cc1471df2afc9d7bc59f6e2 (patch)
tree34d0ce5d8a0a9ac7abda60f708874883adf9c6d6 /drivers/opp/core.c
parentd13937116f1e82bf508a6325111b322c30c85eb9 (diff)
parenta9a744dd5b82843a9c99d9f97794fb51bc2ed8dd (diff)
Merge branch 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm into pm-opp
Pull operating performance points (OPP) framework updates for v5.1 from Viresh Kumar: "This pull request contains following changes: - Introduced new OPP helper for power-estimation and used it in several cpufreq drivers (Quentin Perret, Matthias Kaehlcke, Dietmar Eggemann, and Yangtao Li). - OPP Debugfs cleanup (Greg KH). - OPP core cleanup (Viresh Kumar)." * 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: cpufreq: OMAP: Register an Energy Model cpufreq: imx6q: Register an Energy Model opp: no need to check return value of debugfs_create functions cpufreq: mediatek: Register an Energy Model cpufreq: scmi: Register an Energy Model cpufreq: arm_big_little: Register an Energy Model cpufreq: scpi: Register an Energy Model cpufreq: dt: Register an Energy Model PM / OPP: Introduce a power estimation helper PM / OPP: Remove unused parameter of _generic_set_opp_clk_only()
Diffstat (limited to 'drivers/opp/core.c')
-rw-r--r--drivers/opp/core.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 18f1639dbc4a..410892d54bc4 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -533,9 +533,8 @@ static int _set_opp_voltage(struct device *dev, struct regulator *reg,
return ret;
}
-static inline int
-_generic_set_opp_clk_only(struct device *dev, struct clk *clk,
- unsigned long old_freq, unsigned long freq)
+static inline int _generic_set_opp_clk_only(struct device *dev, struct clk *clk,
+ unsigned long freq)
{
int ret;
@@ -572,7 +571,7 @@ static int _generic_set_opp_regulator(const struct opp_table *opp_table,
}
/* Change frequency */
- ret = _generic_set_opp_clk_only(dev, opp_table->clk, old_freq, freq);
+ ret = _generic_set_opp_clk_only(dev, opp_table->clk, freq);
if (ret)
goto restore_voltage;
@@ -586,7 +585,7 @@ static int _generic_set_opp_regulator(const struct opp_table *opp_table,
return 0;
restore_freq:
- if (_generic_set_opp_clk_only(dev, opp_table->clk, freq, old_freq))
+ if (_generic_set_opp_clk_only(dev, opp_table->clk, old_freq))
dev_err(dev, "%s: failed to restore old-freq (%lu Hz)\n",
__func__, old_freq);
restore_voltage:
@@ -759,7 +758,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
opp->supplies);
} else {
/* Only frequency scaling */
- ret = _generic_set_opp_clk_only(dev, clk, old_freq, freq);
+ ret = _generic_set_opp_clk_only(dev, clk, freq);
}
/* Scaling down? Configure required OPPs after frequency */
@@ -793,7 +792,6 @@ static struct opp_device *_add_opp_dev_unlocked(const struct device *dev,
struct opp_table *opp_table)
{
struct opp_device *opp_dev;
- int ret;
opp_dev = kzalloc(sizeof(*opp_dev), GFP_KERNEL);
if (!opp_dev)
@@ -805,10 +803,7 @@ static struct opp_device *_add_opp_dev_unlocked(const struct device *dev,
list_add(&opp_dev->node, &opp_table->dev_list);
/* Create debugfs entries for the opp_table */
- ret = opp_debug_register(opp_dev, opp_table);
- if (ret)
- dev_err(dev, "%s: Failed to register opp debugfs (%d)\n",
- __func__, ret);
+ opp_debug_register(opp_dev, opp_table);
return opp_dev;
}
@@ -1229,10 +1224,7 @@ int _opp_add(struct device *dev, struct dev_pm_opp *new_opp,
new_opp->opp_table = opp_table;
kref_init(&new_opp->kref);
- ret = opp_debug_create_one(new_opp, opp_table);
- if (ret)
- dev_err(dev, "%s: Failed to register opp to debugfs (%d)\n",
- __func__, ret);
+ opp_debug_create_one(new_opp, opp_table);
if (!_opp_supported_by_regulators(new_opp, opp_table)) {
new_opp->available = false;