Re: patch to shift memory allocations to usb_alloc_urb ()

Hi Oliver!

What you're trying to do is what the HPS USB stack for FreeBSD has been doing 
for a while. See for example:

http://www.turbocat.net/~hselasky/isdn4bsd/sources/src/sys/dev/usb/ohci.c

Look at the function:

static usbd_status
ohci_xfer_setup(struct usbd_device *udev,
		u_int8_t iface_index,
		struct usbd_xfer **pxfer,
		const struct usbd_config *setup_start,
		const struct usbd_config *setup_end)

Maybe you want to take your approach one step further and allow allocation of 
multiple "URB" structures in the same go ?

--HPS

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