summaryrefslogtreecommitdiffstats
path: root/include/linux/usb/gadget.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/usb/gadget.h')
-rw-r--r--include/linux/usb/gadget.h33
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