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usb.h: Add udc_disconnect prototype to usb.h

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PXA25x gadget implements common function usb_disconnect().
This patch adds this function prototype into usb.h for boards using it.

Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
This commit is contained in:
Lukasz Dalek 2012-10-02 17:04:33 +02:00 committed by Tom Rini
parent 3c09a2836d
commit e5f24753c9
1 changed files with 11 additions and 0 deletions
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11
include/usb.h
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@ -169,6 +169,17 @@ int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
#define USB_UHCI_VEND_ID 0x8086
#define USB_UHCI_DEV_ID 0x7112
/*
* PXA25x can only act as USB device. There are drivers
* which works with USB CDC gadgets implementations.
* Some of them have common routines which can be used
* in boards init functions e.g. udc_disconnect() used for
* forced device disconnection from host.
*/
#elif defined(CONFIG_USB_GADGET_PXA2XX)
extern void udc_disconnect(void);
#else
#error USB Lowlevel not defined
#endif