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Commit 903f4fde authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: usbdux: remove 'ifnum' from the private data 



The 'ifnum' is only used during the attach of the device. Remove it
from the private data.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0b20d613

drivers/staging/comedi/drivers/usbdux.c

+2 −4
Original line number Diff line number Diff line
@@ -223,8 +223,6 @@ struct usbdux_private { 
	int16_t *insn_buffer;

	/* output buffer for single DA outputs */

	int16_t *out_buffer;

	/* interface number */

	int ifnum;

	/* is it USB_SPEED_HIGH or not? */

	short int high_speed;

	/* asynchronous command is running */
@@ -1896,7 +1894,6 @@ static int usbdux_auto_attach(struct comedi_device *dev, 


	sema_init(&devpriv->sem, 1);



	devpriv->ifnum = intf->altsetting->desc.bInterfaceNumber;

	usb_set_intfdata(intf, devpriv);



	devpriv->high_speed = (usb->speed == USB_SPEED_HIGH);
@@ -1914,7 +1911,8 @@ static int usbdux_auto_attach(struct comedi_device *dev, 
		return ret;



	/* setting to alternate setting 3: enabling iso ep and bulk ep. */

	ret = usb_set_interface(usb, devpriv->ifnum, 3);

	ret = usb_set_interface(usb, intf->altsetting->desc.bInterfaceNumber,

				3);

	if (ret < 0) {

		dev_err(dev->class_dev,

			"could not set alternate setting 3 in high speed\n");