Mechanical change making use of the new (can we
still call it new ?) interface for registering
UDC drivers.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/gadget/fsl_udc_core.c | 58 ++++++++-------------------------------
1 file changed, 11 insertions(+), 47 deletions(-)
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index c19f7f1..49642d4 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -1254,9 +1254,10 @@ static int fsl_pullup(struct usb_gadget *gadget, int is_on)
return 0;
}
-static int fsl_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *, struct usb_gadget_driver *));
-static int fsl_stop(struct usb_gadget_driver *driver);
+static int fsl_udc_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver);
+static int fsl_udc_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver);
/* defined in gadget.h */
static struct usb_gadget_ops fsl_gadget_ops = {
.get_frame = fsl_get_frame,
@@ -1265,8 +1266,8 @@ static struct usb_gadget_ops fsl_gadget_ops = {
.vbus_session = fsl_vbus_session,
.vbus_draw = fsl_vbus_draw,
.pullup = fsl_pullup,
- .start = fsl_start,
- .stop = fsl_stop,
+ .udc_start = fsl_udc_start,
+ .udc_stop = fsl_udc_stop,
};
/* Set protocol stall on ep0, protocol stall will automatically be cleared
@@ -1950,22 +1951,12 @@ static irqreturn_t fsl_udc_irq(int irq, void *_udc)
* Hook to gadget drivers
* Called by initialization code of gadget drivers
*----------------------------------------------------------------*/
-static int fsl_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *, struct usb_gadget_driver *))
+static int fsl_udc_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
- int retval = -ENODEV;
+ int retval = 0;
unsigned long flags = 0;
- if (!udc_controller)
- return -ENODEV;
-
- if (!driver || driver->max_speed < USB_SPEED_FULL
- || !bind || !driver->disconnect || !driver->setup)
- return -EINVAL;
-
- if (udc_controller->driver)
- return -EBUSY;
-
/* lock is needed but whether should use this lock or another */
spin_lock_irqsave(&udc_controller->lock, flags);
@@ -1975,15 +1966,6 @@ static int fsl_start(struct usb_gadget_driver *driver,
udc_controller->gadget.dev.driver = &driver->driver;
spin_unlock_irqrestore(&udc_controller->lock, flags);
- /* bind udc driver to gadget driver */
- retval = bind(&udc_controller->gadget, driver);
- if (retval) {
- VDBG("bind to %s --> %d", driver->driver.name, retval);
- udc_controller->gadget.dev.driver = NULL;
- udc_controller->driver = NULL;
- goto out;
- }
-
if (!IS_ERR_OR_NULL(udc_controller->transceiver)) {
/* Suspend the controller until OTG enable it */
udc_controller->stopped = 1;
@@ -2009,28 +1991,17 @@ static int fsl_start(struct usb_gadget_driver *driver,
udc_controller->ep0_state = WAIT_FOR_SETUP;
udc_controller->ep0_dir = 0;
}
- printk(KERN_INFO "%s: bind to driver %s\n",
- udc_controller->gadget.name, driver->driver.name);
-out:
- if (retval)
- printk(KERN_WARNING "gadget driver register failed %d\n",
- retval);
return retval;
}
/* Disconnect from gadget driver */
-static int fsl_stop(struct usb_gadget_driver *driver)
+static int fsl_udc_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
struct fsl_ep *loop_ep;
unsigned long flags;
- if (!udc_controller)
- return -ENODEV;
-
- if (!driver || driver != udc_controller->driver || !driver->unbind)
- return -EINVAL;
-
if (!IS_ERR_OR_NULL(udc_controller->transceiver))
otg_set_peripheral(udc_controller->transceiver->otg, NULL);
@@ -2051,16 +2022,9 @@ static int fsl_stop(struct usb_gadget_driver *driver)
nuke(loop_ep, -ESHUTDOWN);
spin_unlock_irqrestore(&udc_controller->lock, flags);
- /* report disconnect; the controller is already quiesced */
- driver->disconnect(&udc_controller->gadget);
-
- /* unbind gadget and unhook driver. */
- driver->unbind(&udc_controller->gadget);
udc_controller->gadget.dev.driver = NULL;
udc_controller->driver = NULL;
- printk(KERN_WARNING "unregistered gadget driver '%s'\n",
- driver->driver.name);
return 0;
}
--
1.8.1.rc1.5.g7e0651a
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