diff options
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index d1d1c055b48e..43d183aeb25b 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -124,7 +124,7 @@ struct bus_type { const struct dev_pm_ops *pm; - struct iommu_ops *iommu_ops; + const struct iommu_ops *iommu_ops; struct subsys_private *p; struct lock_class_key lock_key; @@ -605,6 +605,10 @@ extern int devres_release_group(struct device *dev, void *id); /* managed devm_k.alloc/kfree for device drivers */ extern void *devm_kmalloc(struct device *dev, size_t size, gfp_t gfp); +extern char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, + va_list ap); +extern char *devm_kasprintf(struct device *dev, gfp_t gfp, + const char *fmt, ...); static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp) { return devm_kmalloc(dev, size, gfp | __GFP_ZERO); @@ -623,10 +627,14 @@ static inline void *devm_kcalloc(struct device *dev, } extern void devm_kfree(struct device *dev, void *p); extern char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp); +extern void *devm_kmemdup(struct device *dev, const void *src, size_t len, + gfp_t gfp); + +extern unsigned long devm_get_free_pages(struct device *dev, + gfp_t gfp_mask, unsigned int order); +extern void devm_free_pages(struct device *dev, unsigned long addr); void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res); -void __iomem *devm_request_and_ioremap(struct device *dev, - struct resource *res); /* allows to add/remove a custom action to devres stack */ int devm_add_action(struct device *dev, void (*action)(void *), void *data); @@ -673,6 +681,7 @@ struct acpi_dev_node { * variants, which GPIO pins act in what additional roles, and so * on. This shrinks the "Board Support Packages" (BSPs) and * minimizes board-specific #ifdefs in drivers. + * @driver_data: Private pointer for driver specific info. * @power: For device power management. * See Documentation/power/devices.txt for details. * @pm_domain: Provide callbacks that are executed during system suspend, @@ -685,6 +694,7 @@ struct acpi_dev_node { * @coherent_dma_mask: Like dma_mask, but for alloc_coherent mapping as not all * hardware supports 64-bit addresses for consistent allocations * such descriptors. + * @dma_pfn_offset: offset of DMA memory range relatively of RAM * @dma_parms: A low level driver may set these to teach IOMMU code about * segment limitations. * @dma_pools: Dma pools (if dma'ble device). @@ -734,6 +744,8 @@ struct device { device */ void *platform_data; /* Platform specific data, device core doesn't touch it */ + void *driver_data; /* Driver data, set and get with + dev_set/get_drvdata */ struct dev_pm_info power; struct dev_pm_domain *pm_domain; @@ -750,6 +762,7 @@ struct device { not all hardware supports 64 bit addresses for consistent allocations such descriptors. */ + unsigned long dma_pfn_offset; struct device_dma_parameters *dma_parms; @@ -823,6 +836,16 @@ static inline void set_dev_node(struct device *dev, int node) } #endif +static inline void *dev_get_drvdata(const struct device *dev) +{ + return dev->driver_data; +} + +static inline void dev_set_drvdata(struct device *dev, void *data) +{ + dev->driver_data = data; +} + static inline struct pm_subsys_data *dev_to_psd(struct device *dev) { return dev ? dev->power.subsys_data : NULL; @@ -907,8 +930,6 @@ extern int device_move(struct device *dev, struct device *new_parent, extern const char *device_get_devnode(struct device *dev, umode_t *mode, kuid_t *uid, kgid_t *gid, const char **tmp); -extern void *dev_get_drvdata(const struct device *dev); -extern int dev_set_drvdata(struct device *dev, void *data); static inline bool device_supports_offline(struct device *dev) { |