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cns3xxx: fix dwc_otg driver compat with udc-core

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function.  This removes those from the dwc_otg driver and removes the patch
that comments out the linkage of udc-core so that the dwc_otg driver can
co-exist happily with other USB Device Controllers.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 34475
This commit is contained in:
Florian Fainelli 2012-12-04 16:19:18 +00:00
parent fd0729f35c
commit 822ee5053e
2 changed files with 0 additions and 94 deletions
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83
target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c
View file

@ -2416,87 +2416,4 @@ void dwc_otg_pcd_remove(struct platform_device *pdev)
otg_dev->pcd = 0;
}
/**
* This function registers a gadget driver with the PCD.
*
* When a driver is successfully registered, it will receive control
* requests including set_configuration(), which enables non-control
* requests. then usb traffic follows until a disconnect is reported.
* then a host may connect again, or the driver might get unbound.
*
* @param driver The driver being registered
*/
int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
int retval;
DWC_DEBUGPL(DBG_PCD, "registering gadget driver '%s'\n", driver->driver.name);
if (!driver || driver->max_speed == USB_SPEED_UNKNOWN ||
!bind ||
!driver->unbind ||
!driver->disconnect ||
!driver->setup) {
DWC_DEBUGPL(DBG_PCDV,"EINVAL\n");
return -EINVAL;
}
if (s_pcd == 0) {
DWC_DEBUGPL(DBG_PCDV,"ENODEV\n");
return -ENODEV;
}
if (s_pcd->driver != 0) {
DWC_DEBUGPL(DBG_PCDV,"EBUSY (%p)\n", s_pcd->driver);
return -EBUSY;
}
/* hook up the driver */
s_pcd->driver = driver;
s_pcd->gadget.dev.driver = &driver->driver;
DWC_DEBUGPL(DBG_PCD, "bind to driver %s\n", driver->driver.name);
retval = bind(&s_pcd->gadget);
if (retval) {
DWC_ERROR("bind to driver %s --> error %d\n",
driver->driver.name, retval);
s_pcd->driver = 0;
s_pcd->gadget.dev.driver = 0;
return retval;
}
DWC_DEBUGPL(DBG_ANY, "registered gadget driver '%s'\n",
driver->driver.name);
return 0;
}
EXPORT_SYMBOL(usb_gadget_probe_driver);
/**
* This function unregisters a gadget driver
*
* @param driver The driver being unregistered
*/
int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
{
//DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, _driver);
if (s_pcd == 0) {
DWC_DEBUGPL(DBG_ANY, "%s Return(%d): s_pcd==0\n", __func__,
-ENODEV);
return -ENODEV;
}
if (driver == 0 || driver != s_pcd->driver) {
DWC_DEBUGPL(DBG_ANY, "%s Return(%d): driver?\n", __func__,
-EINVAL);
return -EINVAL;
}
driver->unbind(&s_pcd->gadget);
s_pcd->driver = 0;
DWC_DEBUGPL(DBG_ANY, "unregistered driver '%s'\n",
driver->driver.name);
return 0;
}
EXPORT_SYMBOL(usb_gadget_unregister_driver);
#endif /* DWC_HOST_ONLY */

11
target/linux/cns3xxx/patches-3.3/200-dwc_otg_support.patch
View file

@ -56,14 +56,3 @@
help
A USB device uses a controller to talk to its host.
Systems should have only one such upstream link.
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -3,7 +3,7 @@
#
ccflags-$(CONFIG_USB_GADGET_DEBUG) := -DDEBUG
-obj-$(CONFIG_USB_GADGET) += udc-core.o
+#obj-$(CONFIG_USB_GADGET) += udc-core.o
obj-$(CONFIG_USB_DUMMY_HCD) += dummy_hcd.o
obj-$(CONFIG_USB_NET2272) += net2272.o
obj-$(CONFIG_USB_NET2280) += net2280.o