diff options
Diffstat (limited to 'include/linux/usb/gadget.h')
| -rw-r--r-- | include/linux/usb/gadget.h | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 9517466abab..5b6e5088824 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -474,7 +474,8 @@ struct usb_gadget_ops { /* Those two are deprecated */ int (*start)(struct usb_gadget_driver *, - int (*bind)(struct usb_gadget *)); + int (*bind)(struct usb_gadget *, + struct usb_gadget_driver *driver)); int (*stop)(struct usb_gadget_driver *); }; @@ -502,6 +503,8 @@ struct usb_gadget_ops { * @name: Identifies the controller hardware type. Used in diagnostics * and sometimes configuration. * @dev: Driver model state for this abstract device. + * @out_epnum: last used out ep number + * @in_epnum: last used in ep number * * Gadgets have a mostly-portable "gadget driver" implementing device * functions, handling all usb configurations and interfaces. Gadget @@ -536,6 +539,8 @@ struct usb_gadget { unsigned a_alt_hnp_support:1; const char *name; struct device dev; + unsigned out_epnum; + unsigned in_epnum; }; static inline void set_gadget_data(struct usb_gadget *gadget, void *data) @@ -558,14 +563,7 @@ static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev) */ static inline int gadget_is_dualspeed(struct usb_gadget *g) { -#ifdef CONFIG_USB_GADGET_DUALSPEED - /* runtime test would check "g->max_speed" ... that might be - * useful to work around hardware bugs, but is mostly pointless - */ - return 1; -#else - return 0; -#endif + return g->max_speed >= USB_SPEED_HIGH; } /** @@ -575,15 +573,7 @@ static inline int gadget_is_dualspeed(struct usb_gadget *g) */ static inline int gadget_is_superspeed(struct usb_gadget *g) { -#ifdef CONFIG_USB_GADGET_SUPERSPEED - /* - * runtime test would check "g->max_speed" ... that might be - * useful to work around hardware bugs, but is mostly pointless - */ - return 1; -#else - return 0; -#endif + return g->max_speed >= USB_SPEED_SUPER; } /** @@ -781,6 +771,7 @@ static inline int usb_gadget_disconnect(struct usb_gadget *gadget) * when the host is disconnected. May be called in_interrupt; this * may not sleep. Some devices can't detect disconnect, so this might * not be called except as part of controller shutdown. + * @bind: the driver's bind callback * @unbind: Invoked when the driver is unbound from a gadget, * usually from rmmod (after a disconnect is reported). * Called in a context that permits sleeping. @@ -835,6 +826,8 @@ static inline int usb_gadget_disconnect(struct usb_gadget *gadget) struct usb_gadget_driver { char *function; enum usb_device_speed max_speed; + int (*bind)(struct usb_gadget *gadget, + struct usb_gadget_driver *driver); void (*unbind)(struct usb_gadget *); int (*setup)(struct usb_gadget *, const struct usb_ctrlrequest *); @@ -860,7 +853,6 @@ struct usb_gadget_driver { /** * usb_gadget_probe_driver - probe a gadget driver * @driver: the driver being registered - * @bind: the driver's bind callback * Context: can sleep * * Call this in your gadget driver's module initialization function, @@ -869,8 +861,7 @@ struct usb_gadget_driver { * registration call returns. It's expected that the @bind() function will * be in init sections. */ -int usb_gadget_probe_driver(struct usb_gadget_driver *driver, - int (*bind)(struct usb_gadget *)); +int usb_gadget_probe_driver(struct usb_gadget_driver *driver); /** * usb_gadget_unregister_driver - unregister a gadget driver |