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usb: gadget: composite: add usb_remove_function()

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This will be used to remove a single function from a given config. Right
now "ignore" that an error at ->bind() time and cleanup later during
composite_unbind() / remove_config().

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Sebastian Andrzej Siewior 2012-12-23 21:10:05 +01:00 • committed by Felipe Balbi
parent 3249ca22c0
commit b473577854
2 changed files with 13 additions and 0 deletions
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1
include/linux/usb/composite.h
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@ -461,6 +461,7 @@ struct usb_configuration *usb_get_config(struct usb_composite_dev *cdev,
int val);
int usb_add_config_only(struct usb_composite_dev *cdev,
struct usb_configuration *config);
void usb_remove_function(struct usb_configuration *c, struct usb_function *f);
#define DECLARE_USB_FUNCTION(_name, _inst_alloc, _func_alloc) \
static struct usb_function_driver _name ## usb_func = { \