diff options
Diffstat (limited to 'drivers/usb/gadget/u_fs.h')
| -rw-r--r-- | drivers/usb/gadget/u_fs.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u_fs.h b/drivers/usb/gadget/u_fs.h index 5d9229a0156..2d00f9d296a 100644 --- a/drivers/usb/gadget/u_fs.h +++ b/drivers/usb/gadget/u_fs.h @@ -17,12 +17,36 @@ #define U_FFS_H #include <linux/usb/composite.h> +#include <linux/list.h> +#include <linux/mutex.h> struct ffs_dev { const char *name; bool mounted; bool desc_ready; + bool single; struct ffs_data *ffs_data; + struct list_head entry; + + int (*ffs_ready_callback)(struct ffs_data *ffs); + void (*ffs_closed_callback)(struct ffs_data *ffs); }; +extern struct mutex ffs_lock; + +static inline void ffs_dev_lock(void) +{ + mutex_lock(&ffs_lock); +} + +static inline void ffs_dev_unlock(void) +{ + mutex_unlock(&ffs_lock); +} + +struct ffs_dev *ffs_alloc_dev(void); +int ffs_name_dev(struct ffs_dev *dev, const char *name); +int ffs_single_dev(struct ffs_dev *dev); +void ffs_free_dev(struct ffs_dev *dev); + #endif /* U_FFS_H */ |