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authorFelipe Balbi <balbi@ti.com>2013-01-24 10:49:17 +0200
committerFelipe Balbi <balbi@ti.com>2013-01-24 21:11:29 +0200
commit3381fb602d4ae0a6388ba336a29bf999c1744cd6 (patch)
treebea5fa0a0f32ce940b2f40bfc708ee0ec040facc /drivers/usb/gadget/m66592-udc.c
parenteb65796ef161f1b2f959a6ab4b818976054b235d (diff)
usb: gadget: m66592-udc: convert to udc_start/udc_stop
Mechanical change making use of the new (can we still call it new ?) interface for registering UDC drivers. Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/m66592-udc.c')
-rw-r--r--drivers/usb/gadget/m66592-udc.c70
1 files changed, 19 insertions, 51 deletions
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index b6401f1b56ce..0a35db1ae029 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -1463,42 +1463,16 @@ static struct usb_ep_ops m66592_ep_ops = {
};
/*-------------------------------------------------------------------------*/
-static struct m66592 *the_controller;
-
-static int m66592_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *, struct usb_gadget_driver *))
+static int m66592_udc_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
- struct m66592 *m66592 = the_controller;
- int retval;
-
- if (!driver
- || driver->max_speed < USB_SPEED_HIGH
- || !bind
- || !driver->setup)
- return -EINVAL;
- if (!m66592)
- return -ENODEV;
- if (m66592->driver)
- return -EBUSY;
+ struct m66592 *m66592 = to_m66592(g);
/* hook up the driver */
driver->driver.bus = NULL;
m66592->driver = driver;
m66592->gadget.dev.driver = &driver->driver;
- retval = device_add(&m66592->gadget.dev);
- if (retval) {
- pr_err("device_add error (%d)\n", retval);
- goto error;
- }
-
- retval = bind(&m66592->gadget, driver);
- if (retval) {
- pr_err("bind to driver error (%d)\n", retval);
- device_del(&m66592->gadget.dev);
- goto error;
- }
-
m66592_bset(m66592, M66592_VBSE | M66592_URST, M66592_INTENB0);
if (m66592_read(m66592, M66592_INTSTS0) & M66592_VBSTS) {
m66592_start_xclock(m66592);
@@ -1510,26 +1484,12 @@ static int m66592_start(struct usb_gadget_driver *driver,
}
return 0;
-
-error:
- m66592->driver = NULL;
- m66592->gadget.dev.driver = NULL;
-
- return retval;
}
-static int m66592_stop(struct usb_gadget_driver *driver)
+static int m66592_udc_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
- struct m66592 *m66592 = the_controller;
- unsigned long flags;
-
- if (driver != m66592->driver || !driver->unbind)
- return -EINVAL;
-
- spin_lock_irqsave(&m66592->lock, flags);
- if (m66592->gadget.speed != USB_SPEED_UNKNOWN)
- m66592_usb_disconnect(m66592);
- spin_unlock_irqrestore(&m66592->lock, flags);
+ struct m66592 *m66592 = to_m66592(g);
m66592_bclr(m66592, M66592_VBSE | M66592_URST, M66592_INTENB0);
@@ -1539,8 +1499,8 @@ static int m66592_stop(struct usb_gadget_driver *driver)
init_controller(m66592);
disable_controller(m66592);
- device_del(&m66592->gadget.dev);
m66592->driver = NULL;
+
return 0;
}
@@ -1568,8 +1528,8 @@ static int m66592_pullup(struct usb_gadget *gadget, int is_on)
static struct usb_gadget_ops m66592_gadget_ops = {
.get_frame = m66592_get_frame,
- .start = m66592_start,
- .stop = m66592_stop,
+ .udc_start = m66592_udc_start,
+ .udc_stop = m66592_udc_stop,
.pullup = m66592_pullup,
};
@@ -1578,6 +1538,7 @@ static int __exit m66592_remove(struct platform_device *pdev)
struct m66592 *m66592 = dev_get_drvdata(&pdev->dev);
usb_del_gadget_udc(&m66592->gadget);
+ device_del(&m66592->gadget.dev);
del_timer_sync(&m66592->timer);
iounmap(m66592->reg);
@@ -1706,8 +1667,6 @@ static int __init m66592_probe(struct platform_device *pdev)
m66592->pipenum2ep[0] = &m66592->ep[0];
m66592->epaddr2ep[0] = &m66592->ep[0];
- the_controller = m66592;
-
m66592->ep0_req = m66592_alloc_request(&m66592->ep[0].ep, GFP_KERNEL);
if (m66592->ep0_req == NULL)
goto clean_up3;
@@ -1715,6 +1674,12 @@ static int __init m66592_probe(struct platform_device *pdev)
init_controller(m66592);
+ ret = device_add(&m66592->gadget.dev);
+ if (ret) {
+ pr_err("device_add error (%d)\n", ret);
+ goto err_device_add;
+ }
+
ret = usb_add_gadget_udc(&pdev->dev, &m66592->gadget);
if (ret)
goto err_add_udc;
@@ -1723,6 +1688,9 @@ static int __init m66592_probe(struct platform_device *pdev)
return 0;
err_add_udc:
+ device_del(&m66592->gadget.dev);
+
+err_device_add:
m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
clean_up3:

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