diff options
Diffstat (limited to 'drivers/usb/gadget/function/u_eem.h')
| -rw-r--r-- | drivers/usb/gadget/function/u_eem.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/usb/gadget/function/u_eem.h b/drivers/usb/gadget/function/u_eem.h index 3bd85dfcd71c..78ef55815219 100644 --- a/drivers/usb/gadget/function/u_eem.h +++ b/drivers/usb/gadget/function/u_eem.h @@ -15,17 +15,26 @@ #include <linux/usb/composite.h> +/** + * struct f_eem_opts - EEM function options + * @func_inst: USB function instance. + * @net: The net_device associated with the EEM function. + * @bound: True if the net_device is shared and pre-registered during the + * legacy composite driver's bind phase (e.g., multi.c). If false, + * the EEM function will register the net_device during its own + * bind phase. + * @bind_count: Tracks the number of configurations the EEM function is + * bound to, preventing double-registration of the @net device. + * @lock: Protects the data from concurrent access by configfs read/write + * and create symlink/remove symlink operations. + * @refcnt: Reference counter for the function instance. + */ struct f_eem_opts { struct usb_function_instance func_inst; struct net_device *net; bool bound; + int bind_count; - /* - * Read/write access to configfs attributes is handled by configfs. - * - * This is to protect the data from concurrent access by read/write - * and create symlink/remove symlink. - */ struct mutex lock; int refcnt; }; |