diff options
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 66fe271c2544..9d32000725da 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -97,6 +97,8 @@ extern void bus_remove_file(struct bus_type *, struct bus_attribute *); * @p: The private data of the driver core, only the driver core can * touch this. * @lock_key: Lock class key for use by the lock validator + * @force_dma: Assume devices on this bus should be set up by dma_configure() + * even if DMA capability is not explicitly described by firmware. * * A bus is a channel between the processor and one or more devices. For the * purposes of the device model, all devices are connected via a bus, even if @@ -135,6 +137,8 @@ struct bus_type { struct subsys_private *p; struct lock_class_key lock_key; + + bool force_dma; }; extern int __must_check bus_register(struct bus_type *bus); @@ -370,9 +374,6 @@ int subsys_virtual_register(struct bus_type *subsys, * @devnode: Callback to provide the devtmpfs. * @class_release: Called to release this class. * @dev_release: Called to release the device. - * @suspend: Used to put the device to sleep mode, usually to a low power - * state. - * @resume: Used to bring the device from the sleep mode. * @shutdown_pre: Called at shut-down time before driver shutdown. * @ns_type: Callbacks so sysfs can detemine namespaces. * @namespace: Namespace of the device belongs to this class. @@ -400,8 +401,6 @@ struct class { void (*class_release)(struct class *class); void (*dev_release)(struct device *dev); - int (*suspend)(struct device *dev, pm_message_t state); - int (*resume)(struct device *dev); int (*shutdown_pre)(struct device *dev); const struct kobj_ns_type_operations *ns_type; @@ -1075,6 +1074,16 @@ static inline void dev_pm_syscore_device(struct device *dev, bool val) #endif } +static inline void dev_pm_set_driver_flags(struct device *dev, u32 flags) +{ + dev->power.driver_flags = flags; +} + +static inline bool dev_pm_test_driver_flags(struct device *dev, u32 flags) +{ + return !!(dev->power.driver_flags & flags); +} + static inline void device_lock(struct device *dev) { mutex_lock(&dev->mutex); |