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usb: gadget: move bind() callback back to struct usb_gadget_driver

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This partly reverts 07a18bd7 ("usb gadget: don't save bind callback in
struct usb_composite_driver") and fixes new drivers. The section missmatch
problems was solved by whitelisting bind callback in modpost.

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Sebastian Andrzej Siewior
2012-09-06 20:11:05 +02:00
committed by Felipe Balbi
parent 03e42bd593
commit 93952956c7
6 changed files with 19 additions and 13 deletions
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6
include/linux/usb/gadget.h
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@@ -766,6 +766,7 @@ 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.
@@ -820,6 +821,7 @@ 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);
void (*unbind)(struct usb_gadget *);
int (*setup)(struct usb_gadget *,
const struct usb_ctrlrequest *);
@@ -845,7 +847,6 @@ 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,
@@ -854,8 +855,7 @@ 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