wrdk/testudo/linux-gpib-svn/drivers/gpib/include/linux/usb.h

/*

    linux/usb.h compatibility header

    Copyright (C) 2003 Bernd Porr, Bernd.Porr@cn.stir.ac.uk

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __COMPAT_LINUX_USB_H_
#define __COMPAT_LINUX_USB_H_

#include <linux/version.h>
#include <linux/time.h>

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define USB_ALLOC_URB(x) usb_alloc_urb(x)
#define USB_SUBMIT_URB(x) usb_submit_urb(x)
#define URB_ISO_ASAP USB_ISO_ASAP
#define PROBE_ERR_RETURN(x) NULL
#else
#define USB_ALLOC_URB(x) usb_alloc_urb(x,GFP_KERNEL)
#define USB_SUBMIT_URB(x) usb_submit_urb(x,GFP_ATOMIC)
#define PROBE_ERR_RETURN(x) x
#endif


#include_next <linux/usb.h>

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,12)
static inline int USB_CONTROL_MSG(struct usb_device *dev, unsigned int pipe,
	__u8 request, __u8 requesttype, __u16 value, __u16 index,
	void *data, __u16 size, int millisec_timeout)
{
	return usb_control_msg(dev, pipe, request, requesttype, value, index,
		data, size, msecs_to_jiffies(millisec_timeout));
}
static inline int USB_BULK_MSG(struct usb_device *usb_dev, unsigned int pipe,
	void *data, int len, int *actual_length,
	int millisec_timeout)
{
	return usb_bulk_msg(usb_dev, pipe, data, len, actual_length, msecs_to_jiffies(millisec_timeout));
}
#else
#define USB_CONTROL_MSG usb_control_msg
#define USB_BULK_MSG usb_bulk_msg
#endif

static inline uint16_t USBID_TO_CPU(uint16_t id)
{
	#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)
		return id;
	#else
		return le16_to_cpu(id);
	#endif // LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)
};
#endif