1 files changed, 21 insertions, 2 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index d1d1c055b48e..af424acd393d 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -623,6 +623,12 @@ 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,
@@ -673,6 +679,7 @@ 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 +692,7 @@ 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 +742,8 @@ 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 +760,7 @@ 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 +834,16 @@ 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 +928,6 @@ 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)
 {