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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2015-12-09 08:01:46 +0530 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-10 23:08:51 +0100 |
| commit | 7de36b0aa51a5a59e28fb2da768fa3ab07de0674 (patch) | |
| tree | a46061b13b61ebf6c8c31ddb92f95590828dedae /include/linux/pm_opp.h | |
| parent | dc4e7b1fa20a840d2317fcfdaa1064fc09d2afcb (diff) | |
| download | lwn-7de36b0aa51a5a59e28fb2da768fa3ab07de0674.tar.gz lwn-7de36b0aa51a5a59e28fb2da768fa3ab07de0674.zip | |
PM / OPP: Parse 'opp-supported-hw' binding
OPP bindings allow a platform to enable OPPs based on the version of the
hardware they are used for.
Add support to the OPP-core to parse these bindings, by introducing
dev_pm_opp_{set|put}_supported_hw() APIs.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/pm_opp.h')
| -rw-r--r-- | include/linux/pm_opp.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 9a2e50337af9..3a85110242f0 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -55,6 +55,9 @@ int dev_pm_opp_enable(struct device *dev, unsigned long freq); int dev_pm_opp_disable(struct device *dev, unsigned long freq); struct srcu_notifier_head *dev_pm_opp_get_notifier(struct device *dev); +int dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, + unsigned int count); +void dev_pm_opp_put_supported_hw(struct device *dev); #else static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp) { @@ -129,6 +132,16 @@ static inline struct srcu_notifier_head *dev_pm_opp_get_notifier( { return ERR_PTR(-EINVAL); } + +static inline int dev_pm_opp_set_supported_hw(struct device *dev, + const u32 *versions, + unsigned int count) +{ + return -EINVAL; +} + +static inline void dev_pm_opp_put_supported_hw(struct device *dev) {} + #endif /* CONFIG_PM_OPP */ #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) |