diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/device.h | 6 | ||||
| -rw-r--r-- | include/linux/pm_runtime.h | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 9cae2feaf5cb..49f453892ca5 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -730,9 +730,13 @@ enum device_link_state { * * STATELESS: The core won't track the presence of supplier/consumer drivers. * AUTOREMOVE: Remove this link automatically on consumer driver unbind. + * PM_RUNTIME: If set, the runtime PM framework will use this link. + * RPM_ACTIVE: Run pm_runtime_get_sync() on the supplier during link creation. */ #define DL_FLAG_STATELESS BIT(0) #define DL_FLAG_AUTOREMOVE BIT(1) +#define DL_FLAG_PM_RUNTIME BIT(2) +#define DL_FLAG_RPM_ACTIVE BIT(3) /** * struct device_link - Device link representation. @@ -742,6 +746,7 @@ enum device_link_state { * @c_node: Hook to the consumer device's list of links to suppliers. * @status: The state of the link (with respect to the presence of drivers). * @flags: Link flags. + * @rpm_active: Whether or not the consumer device is runtime-PM-active. * @rcu_head: An RCU head to use for deferred execution of SRCU callbacks. */ struct device_link { @@ -751,6 +756,7 @@ struct device_link { struct list_head c_node; enum device_link_state status; u32 flags; + bool rpm_active; #ifdef CONFIG_SRCU struct rcu_head rcu_head; #endif diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 2e14d2667b6c..c2ee87138e4a 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -55,6 +55,9 @@ extern unsigned long pm_runtime_autosuspend_expiration(struct device *dev); extern void pm_runtime_update_max_time_suspended(struct device *dev, s64 delta_ns); extern void pm_runtime_set_memalloc_noio(struct device *dev, bool enable); +extern void pm_runtime_clean_up_links(struct device *dev); +extern void pm_runtime_get_suppliers(struct device *dev); +extern void pm_runtime_put_suppliers(struct device *dev); static inline void pm_suspend_ignore_children(struct device *dev, bool enable) { @@ -186,6 +189,9 @@ static inline unsigned long pm_runtime_autosuspend_expiration( struct device *dev) { return 0; } static inline void pm_runtime_set_memalloc_noio(struct device *dev, bool enable){} +static inline void pm_runtime_clean_up_links(struct device *dev) {} +static inline void pm_runtime_get_suppliers(struct device *dev) {} +static inline void pm_runtime_put_suppliers(struct device *dev) {} #endif /* !CONFIG_PM */ |