Differential D10385 Diff 38027 head/sys/dev/usb/controller/xhci.c

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return (err);		return (err);
}		}

static void		static void
xhci_xfer_setup(struct usb_setup_params *parm)		xhci_xfer_setup(struct usb_setup_params *parm)
{		{
struct usb_page_search page_info;		struct usb_page_search page_info;
struct usb_page_cache *pc;		struct usb_page_cache *pc;
struct xhci_softc *sc;
struct usb_xfer *xfer;		struct usb_xfer *xfer;
void *last_obj;		void *last_obj;
uint32_t ntd;		uint32_t ntd;
uint32_t n;		uint32_t n;

sc = XHCI_BUS2SC(parm->udev->bus);
xfer = parm->curr_xfer;		xfer = parm->curr_xfer;

/*		/*
* The proof for the "ntd" formula is illustrated like this:		* The proof for the "ntd" formula is illustrated like this:
*		*
* +------------------------------------+		* +------------------------------------+
* \| \|		* \| \|
* \| \|remainder -> \|		* \| \|remainder -> \|
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