diff options
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index c20dfbfc49b4..85e78fc7d7fd 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -33,6 +33,7 @@ struct class; struct subsys_private; struct bus_type; struct device_node; +struct iommu_ops; struct bus_attribute { struct attribute attr; @@ -67,6 +68,9 @@ extern void bus_remove_file(struct bus_type *, struct bus_attribute *); * @resume: Called to bring a device on this bus out of sleep mode. * @pm: Power management operations of this bus, callback the specific * device driver's pm-ops. + * @iommu_ops IOMMU specific operations for this bus, used to attach IOMMU + * driver implementations to a bus and allow the driver to do + * bus-specific setup * @p: The private data of the driver core, only the driver core can * touch this. * @@ -96,6 +100,8 @@ struct bus_type { const struct dev_pm_ops *pm; + struct iommu_ops *iommu_ops; + struct subsys_private *p; }; @@ -350,6 +356,8 @@ struct class_attribute { char *buf); ssize_t (*store)(struct class *class, struct class_attribute *attr, const char *buf, size_t count); + const void *(*namespace)(struct class *class, + const struct class_attribute *attr); }; #define CLASS_ATTR(_name, _mode, _show, _store) \ @@ -636,6 +644,11 @@ static inline void set_dev_node(struct device *dev, int node) } #endif +static inline struct pm_subsys_data *dev_to_psd(struct device *dev) +{ + return dev ? dev->power.subsys_data : NULL; +} + static inline unsigned int dev_get_uevent_suppress(const struct device *dev) { return dev->kobj.uevent_suppress; @@ -785,6 +798,8 @@ extern const char *dev_driver_string(const struct device *dev); #ifdef CONFIG_PRINTK +extern int __dev_printk(const char *level, const struct device *dev, + struct va_format *vaf); extern int dev_printk(const char *level, const struct device *dev, const char *fmt, ...) __attribute__ ((format (printf, 3, 4))); @@ -805,6 +820,9 @@ extern int _dev_info(const struct device *dev, const char *fmt, ...) #else +static inline int __dev_printk(const char *level, const struct device *dev, + struct va_format *vaf) + { return 0; } static inline int dev_printk(const char *level, const struct device *dev, const char *fmt, ...) __attribute__ ((format (printf, 3, 4))); |