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opp: Add dev_pm_opp_of_add_table_noclk()

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A few drivers have device's clk but they don't want the OPP core to
handle that. Add a new helper for them, dev_pm_opp_of_add_table_noclk().

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
This commit is contained in:
Viresh Kumar 2021-01-27 14:23:45 +05:30
parent 32439ac753
commit 559fef0dfd
2 changed files with 24 additions and 0 deletions
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18
drivers/opp/of.c
View File

@ -1030,6 +1030,24 @@ int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
}
EXPORT_SYMBOL_GPL(dev_pm_opp_of_add_table_indexed);
/**
* dev_pm_opp_of_add_table_noclk() - Initialize indexed opp table from device
* tree without getting clk for device.
* @dev: device pointer used to lookup OPP table.
* @index: Index number.
*
* Register the initial OPP table with the OPP library for given device only
* using the "operating-points-v2" property. Do not try to get the clk for the
* device.
*
* Return: Refer to dev_pm_opp_of_add_table() for return values.
*/
int dev_pm_opp_of_add_table_noclk(struct device *dev, int index)
{
return _of_add_table_indexed(dev, index, false);
}
EXPORT_SYMBOL_GPL(dev_pm_opp_of_add_table_noclk);
/* CPU device specific helpers */
/**

6
include/linux/pm_opp.h
View File

@ -395,6 +395,7 @@ static inline int dev_pm_opp_sync_regulators(struct device *dev)
#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
int dev_pm_opp_of_add_table(struct device *dev);
int dev_pm_opp_of_add_table_indexed(struct device *dev, int index);
int dev_pm_opp_of_add_table_noclk(struct device *dev, int index);
void dev_pm_opp_of_remove_table(struct device *dev);
int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
@ -419,6 +420,11 @@ static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
return -ENOTSUPP;
}
static inline int dev_pm_opp_of_add_table_noclk(struct device *dev, int index)
{
return -ENOTSUPP;
}
static inline void dev_pm_opp_of_remove_table(struct device *dev)
{
}