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path: root/drivers/usb/gadget/omap_udc.c
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Diffstat (limited to 'drivers/usb/gadget/omap_udc.c')
-rw-r--r--drivers/usb/gadget/omap_udc.c51
1 files changed, 13 insertions, 38 deletions
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 8bfe990caf1..06be85c2b23 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -1309,19 +1309,20 @@ static int omap_pullup(struct usb_gadget *gadget, int is_on)
return 0;
}
-static int omap_udc_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *, struct usb_gadget_driver *));
-static int omap_udc_stop(struct usb_gadget_driver *driver);
+static int omap_udc_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
+static int omap_udc_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver);
-static struct usb_gadget_ops omap_gadget_ops = {
+static const struct usb_gadget_ops omap_gadget_ops = {
.get_frame = omap_get_frame,
.wakeup = omap_wakeup,
.set_selfpowered = omap_set_selfpowered,
.vbus_session = omap_vbus_session,
.vbus_draw = omap_vbus_draw,
.pullup = omap_pullup,
- .start = omap_udc_start,
- .stop = omap_udc_stop,
+ .udc_start = omap_udc_start,
+ .udc_stop = omap_udc_stop,
};
/*-------------------------------------------------------------------------*/
@@ -2041,28 +2042,15 @@ static inline int machine_without_vbus_sense(void)
|| cpu_is_omap7xx();
}
-static int omap_udc_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *, struct usb_gadget_driver *))
+static int omap_udc_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
int status = -ENODEV;
struct omap_ep *ep;
unsigned long flags;
- /* basic sanity tests */
- if (!udc)
- return -ENODEV;
- if (!driver
- /* FIXME if otg, check: driver->is_otg */
- || driver->max_speed < USB_SPEED_FULL
- || !bind || !driver->setup)
- return -EINVAL;
spin_lock_irqsave(&udc->lock, flags);
- if (udc->driver) {
- spin_unlock_irqrestore(&udc->lock, flags);
- return -EBUSY;
- }
-
/* reset state */
list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
ep->irqs = 0;
@@ -2084,15 +2072,6 @@ static int omap_udc_start(struct usb_gadget_driver *driver,
if (udc->dc_clk != NULL)
omap_udc_enable_clock(1);
- status = bind(&udc->gadget, driver);
- if (status) {
- DBG("bind to %s --> %d\n", driver->driver.name, status);
- udc->gadget.dev.driver = NULL;
- udc->driver = NULL;
- goto done;
- }
- DBG("bound to driver %s\n", driver->driver.name);
-
omap_writew(UDC_IRQ_SRC_MASK, UDC_IRQ_SRC);
/* connect to bus through transceiver */
@@ -2124,19 +2103,16 @@ static int omap_udc_start(struct usb_gadget_driver *driver,
done:
if (udc->dc_clk != NULL)
omap_udc_enable_clock(0);
+
return status;
}
-static int omap_udc_stop(struct usb_gadget_driver *driver)
+static int omap_udc_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
unsigned long flags;
int status = -ENODEV;
- if (!udc)
- return -ENODEV;
- if (!driver || driver != udc->driver || !driver->unbind)
- return -EINVAL;
-
if (udc->dc_clk != NULL)
omap_udc_enable_clock(1);
@@ -2152,13 +2128,12 @@ static int omap_udc_stop(struct usb_gadget_driver *driver)
udc_quiesce(udc);
spin_unlock_irqrestore(&udc->lock, flags);
- driver->unbind(&udc->gadget);
udc->gadget.dev.driver = NULL;
udc->driver = NULL;
if (udc->dc_clk != NULL)
omap_udc_enable_clock(0);
- DBG("unregistered driver '%s'\n", driver->driver.name);
+
return status;
}