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usb.h: Always declare usb function prototypes

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There is no harm in declaring the function prototypes even if nothing
implements them, and when CONFIG_DM_USB=y the various usb functions are
available regardless of any controller drivers being enabled.

This fixes compile warnings due to missing prototypes on ARCHs where
the ARCH Kconfig always enables CONFIG_DM_USB and various usb drivers.

One could argue that in the case of no controllers CONFIG_DM_USB should not
be set, but this problem is typically seen during bringup of boards which
do actually have usb controllers.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2015-06-10 17:04:04 +02:00 committed by Marek Vasut
parent c6265f7f34
commit b335fe6810
1 changed files with 0 additions and 15 deletions
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15
include/usb.h
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@ -171,17 +171,6 @@ enum usb_init_type {
* this is how the lowlevel part communicate with the outer world
*/
#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || \
defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_OHCI_NEW) || \
defined(CONFIG_USB_SL811HS) || defined(CONFIG_USB_ISP116X_HCD) || \
defined(CONFIG_USB_R8A66597_HCD) || defined(CONFIG_USB_DAVINCI) || \
defined(CONFIG_USB_OMAP3) || defined(CONFIG_USB_DA8XX) || \
defined(CONFIG_USB_BLACKFIN) || defined(CONFIG_USB_AM35X) || \
defined(CONFIG_USB_MUSB_DSPS) || defined(CONFIG_USB_MUSB_AM35X) || \
defined(CONFIG_USB_MUSB_OMAP2PLUS) || defined(CONFIG_USB_MUSB_SUNXI) || \
defined(CONFIG_USB_XHCI) || defined(CONFIG_USB_DWC2) || \
defined(CONFIG_USB_EMUL)
int usb_lowlevel_init(int index, enum usb_init_type init, void **controller);
int usb_lowlevel_stop(int index);
@ -216,12 +205,8 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue);
* 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);
#endif
/*
* board-specific hardware initialization, called by
* usb drivers and u-boot commands