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usb: gadget: pch_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>
This commit is contained in:
Felipe Balbi 2013-01-24 10:55:59 +02:00
parent 1bf0cf6040
commit 1fb3b1cffc
1 changed files with 14 additions and 53 deletions
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67
drivers/usb/gadget/pch_udc.c
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@ -375,6 +375,7 @@ struct pch_udc_dev {
struct pch_udc_cfg_data cfg_data;
struct pch_vbus_gpio_data vbus_gpio;
};
#define to_pch_udc(g) (container_of((g), struct pch_udc_dev, gadget))
#define PCH_UDC_PCI_BAR 1
#define PCI_DEVICE_ID_INTEL_EG20T_UDC 0x8808
@ -384,7 +385,6 @@ struct pch_udc_dev {
static const char ep0_string[] = "ep0in";
static DEFINE_SPINLOCK(udc_stall_spinlock); /* stall spin lock */
struct pch_udc_dev *pch_udc; /* pointer to device object */
static bool speed_fs;
module_param_named(speed_fs, speed_fs, bool, S_IRUGO);
MODULE_PARM_DESC(speed_fs, "true for Full speed operation");
@ -1235,9 +1235,10 @@ static int pch_udc_pcd_vbus_draw(struct usb_gadget *gadget, unsigned int mA)
return -EOPNOTSUPP;
}
static int pch_udc_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *, struct usb_gadget_driver *));
static int pch_udc_stop(struct usb_gadget_driver *driver);
static int pch_udc_start(struct usb_gadget *g,
struct usb_gadget_driver *driver);
static int pch_udc_stop(struct usb_gadget *g,
struct usb_gadget_driver *driver);
static const struct usb_gadget_ops pch_udc_ops = {
.get_frame = pch_udc_pcd_get_frame,
.wakeup = pch_udc_pcd_wakeup,
@ -1245,8 +1246,8 @@ static const struct usb_gadget_ops pch_udc_ops = {
.pullup = pch_udc_pcd_pullup,
.vbus_session = pch_udc_pcd_vbus_session,
.vbus_draw = pch_udc_pcd_vbus_draw,
.start = pch_udc_start,
.stop = pch_udc_stop,
.udc_start = pch_udc_start,
.udc_stop = pch_udc_stop,
};
/**
@ -2981,40 +2982,15 @@ static int init_dma_pools(struct pch_udc_dev *dev)
return 0;
}
static int pch_udc_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *, struct usb_gadget_driver *))
static int pch_udc_start(struct usb_gadget *g,
struct usb_gadget_driver *driver)
{
struct pch_udc_dev *dev = pch_udc;
int retval;
struct pch_udc_dev *dev = to_pch_udc(g);
if (!driver || (driver->max_speed == USB_SPEED_UNKNOWN) || !bind ||
!driver->setup || !driver->unbind || !driver->disconnect) {
dev_err(&dev->pdev->dev,
"%s: invalid driver parameter\n", __func__);
return -EINVAL;
}
if (!dev)
return -ENODEV;
if (dev->driver) {
dev_err(&dev->pdev->dev, "%s: already bound\n", __func__);
return -EBUSY;
}
driver->driver.bus = NULL;
dev->driver = driver;
dev->gadget.dev.driver = &driver->driver;
/* Invoke the bind routine of the gadget driver */
retval = bind(&dev->gadget, driver);
if (retval) {
dev_err(&dev->pdev->dev, "%s: binding to %s returning %d\n",
__func__, driver->driver.name, retval);
dev->driver = NULL;
dev->gadget.dev.driver = NULL;
return retval;
}
/* get ready for ep0 traffic */
pch_udc_setup_ep0(dev);
@ -3026,30 +3002,21 @@ static int pch_udc_start(struct usb_gadget_driver *driver,
return 0;
}
static int pch_udc_stop(struct usb_gadget_driver *driver)
static int pch_udc_stop(struct usb_gadget *g,
struct usb_gadget_driver *driver)
{
struct pch_udc_dev *dev = pch_udc;
if (!dev)
return -ENODEV;
if (!driver || (driver != dev->driver)) {
dev_err(&dev->pdev->dev,
"%s: invalid driver parameter\n", __func__);
return -EINVAL;
}
struct pch_udc_dev *dev = to_pch_udc(g);
pch_udc_disable_interrupts(dev, UDC_DEVINT_MSK);
/* Assures that there are no pending requests with this driver */
driver->disconnect(&dev->gadget);
driver->unbind(&dev->gadget);
dev->gadget.dev.driver = NULL;
dev->driver = NULL;
dev->connected = 0;
/* set SD */
pch_udc_set_disconnect(dev);
return 0;
}
@ -3164,11 +3131,6 @@ static int pch_udc_probe(struct pci_dev *pdev,
int retval;
struct pch_udc_dev *dev;
/* one udc only */
if (pch_udc) {
pr_err("%s: already probed\n", __func__);
return -EBUSY;
}
/* init */
dev = kzalloc(sizeof *dev, GFP_KERNEL);
if (!dev) {
@ -3207,7 +3169,6 @@ static int pch_udc_probe(struct pci_dev *pdev,
retval = -ENODEV;
goto finished;
}
pch_udc = dev;
/* initialize the hardware */
if (pch_udc_pcd_init(dev)) {
retval = -ENODEV;