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usb: gadget: udc-core: remove unused usb_udc_attach_driver() 

Now when last user of usb_udc_attach_driver() is switched
to passing UDC name via usb_gadget_driver struct, it's safe
to remove this function

Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Ruslan Bilovol 2015-11-23 09:56:37 +01:00 committed by Felipe Balbi
parent afdaadc3c8
commit 88f73ebdfa
2 changed files with 0 additions and 28 deletions
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26
drivers/usb/gadget/udc/udc-core.c
View File

@ -520,32 +520,6 @@ static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *dri
return ret;
}
int usb_udc_attach_driver(const char *name, struct usb_gadget_driver *driver)
{
struct usb_udc *udc = NULL;
int ret = -ENODEV;
mutex_lock(&udc_lock);
list_for_each_entry(udc, &udc_list, list) {
ret = strcmp(name, dev_name(&udc->dev));
if (!ret)
break;
}
if (ret) {
ret = -ENODEV;
goto out;
}
if (udc->driver) {
ret = -EBUSY;
goto out;
}
ret = udc_bind_to_driver(udc, driver);
out:
mutex_unlock(&udc_lock);
return ret;
}
EXPORT_SYMBOL_GPL(usb_udc_attach_driver);
int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
{
struct usb_udc *udc = NULL;

2
include/linux/usb/gadget.h
View File

@ -1121,8 +1121,6 @@ extern int usb_add_gadget_udc_release(struct device *parent,
struct usb_gadget *gadget, void (*release)(struct device *dev));
extern int usb_add_gadget_udc(struct device *parent, struct usb_gadget *gadget);
extern void usb_del_gadget_udc(struct usb_gadget *gadget);
extern int usb_udc_attach_driver(const char *name,
struct usb_gadget_driver *driver);
/*-------------------------------------------------------------------------*/