Commit 6fffdb35 authored by Mariusz Kozlowski's avatar Mariusz Kozlowski Committed by Greg Kroah-Hartman
Browse files

Staging: comedi: usbduxfast: remove kernel version checks



This patch removes kernel version checks from usbduxfast driver as the
driver is in the main kernel tree now.

Signed-off-by: default avatarMariusz Kozlowski <m.kozlowski@tuxland.pl>
Cc: Bernd Porr <BerndPorr@f2s.com>
Cc: David Schleef <ds@schleef.org>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 48a4d521
Loading
Loading
Loading
Loading
+4 −42
Original line number Diff line number Diff line
@@ -154,10 +154,8 @@ typedef struct {
	int16_t *insnBuffer;
	// interface number
	int ifnum;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
	// interface structure in 2.6
	// interface structure
	struct usb_interface *interface;
#endif
	// comedi device for the interrupt context
	comedi_device *comedidev;
	// asynchronous command is running
@@ -222,16 +220,9 @@ static int usbduxfastsub_unlink_InURBs(usbduxfastsub_t * usbduxfastsub_tmp)

	if (usbduxfastsub_tmp && usbduxfastsub_tmp->urbIn) {
		usbduxfastsub_tmp->ai_cmd_running = 0;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
		j = usb_unlink_urb(usbduxfastsub_tmp->urbIn);
		if (j < 0) {
			err = j;
		}
#else
		// waits until a running transfer is over
		usb_kill_urb(usbduxfastsub_tmp->urbIn);
		j = 0;
#endif
	}
#ifdef CONFIG_COMEDI_DEBUG
	printk("comedi: usbduxfast: unlinked InURB: res=%d\n", j);
@@ -296,11 +287,7 @@ static int usbduxfast_ai_cancel(comedi_device * dev, comedi_subdevice * s)

// analogue IN
// interrupt service routine
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
static void usbduxfastsub_ai_Irq(struct urb *urb)
#else
static void usbduxfastsub_ai_Irq(struct urb *urb PT_REGS_ARG)
#endif
{
	int n, err;
	usbduxfastsub_t *this_usbduxfastsub;
@@ -1401,22 +1388,17 @@ static void tidy_up(usbduxfastsub_t * usbduxfastsub_tmp)
	if (!usbduxfastsub_tmp) {
		return;
	}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)

	// shows the usb subsystem that the driver is down
	if (usbduxfastsub_tmp->interface) {
		usb_set_intfdata(usbduxfastsub_tmp->interface, NULL);
	}
#endif

	usbduxfastsub_tmp->probed = 0;

	if (usbduxfastsub_tmp->urbIn) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,8)
		// waits until a running transfer is over
		// thus, under 2.4 hotplugging while a command
		// is running is not safe
		usb_kill_urb(usbduxfastsub_tmp->urbIn);
#endif
		if (usbduxfastsub_tmp->transfer_buffer) {
			kfree(usbduxfastsub_tmp->transfer_buffer);
			usbduxfastsub_tmp->transfer_buffer = NULL;
@@ -1436,16 +1418,10 @@ static void tidy_up(usbduxfastsub_t * usbduxfastsub_tmp)
}

// allocate memory for the urbs and initialise them
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
static void *usbduxfastsub_probe(struct usb_device *udev,
	unsigned int interfnum, const struct usb_device_id *id)
{
#else
static int usbduxfastsub_probe(struct usb_interface *uinterf,
	const struct usb_device_id *id)
{
	struct usb_device *udev = interface_to_usbdev(uinterf);
#endif
	int i;
	int index;

@@ -1480,18 +1456,13 @@ static int usbduxfastsub_probe(struct usb_interface *uinterf,
	// save a pointer to the usb device
	usbduxfastsub[index].usbdev = udev;

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
	// save the interface number
	usbduxfastsub[index].ifnum = interfnum;
#else
	// 2.6: save the interface itself
	// save the interface itself
	usbduxfastsub[index].interface = uinterf;
	// get the interface number from the interface
	usbduxfastsub[index].ifnum = uinterf->altsetting->desc.bInterfaceNumber;
	// hand the private data over to the usb subsystem
	// will be needed for disconnect
	usb_set_intfdata(uinterf, &(usbduxfastsub[index]));
#endif

#ifdef CONFIG_COMEDI_DEBUG
	printk("comedi_: usbduxfast: ifnum=%d\n", usbduxfastsub[index].ifnum);
@@ -1542,24 +1513,15 @@ static int usbduxfastsub_probe(struct usb_interface *uinterf,
	up(&start_stop_sem);
	printk("comedi_: usbduxfast%d has been successfully initialized.\n",
		index);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
	return (void *)(&usbduxfastsub[index]);
#else
	// success
	return 0;
#endif
}

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
static void usbduxfastsub_disconnect(struct usb_device *udev, void *ptr)
{
	usbduxfastsub_t *usbduxfastsub_tmp = (usbduxfastsub_t *) ptr;
#else
static void usbduxfastsub_disconnect(struct usb_interface *intf)
{
	usbduxfastsub_t *usbduxfastsub_tmp = usb_get_intfdata(intf);
	struct usb_device *udev = interface_to_usbdev(intf);
#endif

	if (!usbduxfastsub_tmp) {
		printk("comedi_: usbduxfast: disconnect called with null pointer.\n");
		return;