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yaml
---
r: 303798
b: refs/heads/master
c: f3d8bf3
h: refs/heads/master
v: v3
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Sebastian Andrzej Siewior authored and Felipe Balbi committed May 4, 2012
1 parent e81a07e commit 2579907
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Showing 2 changed files with 15 additions and 47 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 955846a60a9db884d6a5b644876a96b806a48a8d
refs/heads/master: f3d8bf34c2c925867322197096ed501ceab8085a
60 changes: 14 additions & 46 deletions trunk/drivers/usb/gadget/at91_udc.c
Original file line number Diff line number Diff line change
Expand Up @@ -977,18 +977,18 @@ static int at91_set_selfpowered(struct usb_gadget *gadget, int is_on)
return 0;
}

static int at91_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *));
static int at91_stop(struct usb_gadget_driver *driver);

static int at91_start(struct usb_gadget *gadget,
struct usb_gadget_driver *driver);
static int at91_stop(struct usb_gadget *gadget,
struct usb_gadget_driver *driver);
static const struct usb_gadget_ops at91_udc_ops = {
.get_frame = at91_get_frame,
.wakeup = at91_wakeup,
.set_selfpowered = at91_set_selfpowered,
.vbus_session = at91_vbus_session,
.pullup = at91_pullup,
.start = at91_start,
.stop = at91_stop,
.udc_start = at91_start,
.udc_stop = at91_stop,

/*
* VBUS-powered devices may also also want to support bigger
Expand Down Expand Up @@ -1626,66 +1626,34 @@ static void at91_vbus_timer(unsigned long data)
schedule_work(&udc->vbus_timer_work);
}

static int at91_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
static int at91_start(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
struct at91_udc *udc = &controller;
int retval;
unsigned long flags;

if (!driver
|| driver->max_speed < USB_SPEED_FULL
|| !bind
|| !driver->setup) {
DBG("bad parameter.\n");
return -EINVAL;
}

if (udc->driver) {
DBG("UDC already has a gadget driver\n");
return -EBUSY;
}
struct at91_udc *udc;

udc = container_of(gadget, struct at91_udc, gadget);
udc->driver = driver;
udc->gadget.dev.driver = &driver->driver;
dev_set_drvdata(&udc->gadget.dev, &driver->driver);
udc->enabled = 1;
udc->selfpowered = 1;

retval = bind(&udc->gadget);
if (retval) {
DBG("bind() returned %d\n", retval);
udc->driver = NULL;
udc->gadget.dev.driver = NULL;
dev_set_drvdata(&udc->gadget.dev, NULL);
udc->enabled = 0;
udc->selfpowered = 0;
return retval;
}

spin_lock_irqsave(&udc->lock, flags);
pullup(udc, 1);
spin_unlock_irqrestore(&udc->lock, flags);

DBG("bound to %s\n", driver->driver.name);
return 0;
}

static int at91_stop(struct usb_gadget_driver *driver)
static int at91_stop(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
struct at91_udc *udc = &controller;
struct at91_udc *udc;
unsigned long flags;

if (!driver || driver != udc->driver || !driver->unbind)
return -EINVAL;

udc = container_of(gadget, struct at91_udc, gadget);
spin_lock_irqsave(&udc->lock, flags);
udc->enabled = 0;
at91_udp_write(udc, AT91_UDP_IDR, ~0);
pullup(udc, 0);
spin_unlock_irqrestore(&udc->lock, flags);

driver->unbind(&udc->gadget);
udc->gadget.dev.driver = NULL;
dev_set_drvdata(&udc->gadget.dev, NULL);
udc->driver = NULL;
Expand Down

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