diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2013-05-20 14:20:30 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-21 10:59:10 -0700 |
| commit | 0a92de24200f8acc2846f575fa7965d3dd7e4017 (patch) | |
| tree | 23fdde9c7c33331e65f1d3f61aacc672f5ede844 | |
| parent | 61dd149b102d00cea3815a161e07cd41fcc0d737 (diff) | |
staging: comedi: usbduxfast: use comedi_to_usb_dev()
Use the helper function to get a usb_device pointer from a
comedi_device pointer. This removes the need for also getting
the usb_interface pointer in some cases.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/comedi/drivers/usbduxfast.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c index 10c48d2385a8..f4546b3c4d6d 100644 --- a/drivers/staging/comedi/drivers/usbduxfast.c +++ b/drivers/staging/comedi/drivers/usbduxfast.c @@ -168,8 +168,7 @@ struct usbduxfast_private { static int usbduxfast_send_cmd(struct comedi_device *dev, int cmd_type) { - struct usb_interface *intf = comedi_to_usb_interface(dev); - struct usb_device *usb = interface_to_usbdev(intf); + struct usb_device *usb = comedi_to_usb_dev(dev); struct usbduxfast_private *devpriv = dev->private; int nsent; int ret; @@ -239,8 +238,7 @@ static void usbduxfast_ai_interrupt(struct urb *urb) struct comedi_device *dev = urb->context; struct comedi_subdevice *s = dev->read_subdev; struct comedi_async *async = s->async; - struct usb_interface *intf = comedi_to_usb_interface(dev); - struct usb_device *usb = interface_to_usbdev(intf); + struct usb_device *usb = comedi_to_usb_dev(dev); struct usbduxfast_private *devpriv = dev->private; int n, err; @@ -341,8 +339,7 @@ static void usbduxfast_ai_interrupt(struct urb *urb) static int usbduxfast_submit_urb(struct comedi_device *dev) { - struct usb_interface *intf = comedi_to_usb_interface(dev); - struct usb_device *usb = interface_to_usbdev(intf); + struct usb_device *usb = comedi_to_usb_dev(dev); struct usbduxfast_private *devpriv = dev->private; int ret; @@ -871,8 +868,7 @@ static int usbduxfast_ai_insn_read(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { - struct usb_interface *intf = comedi_to_usb_interface(dev); - struct usb_device *usb = interface_to_usbdev(intf); + struct usb_device *usb = comedi_to_usb_dev(dev); struct usbduxfast_private *devpriv = dev->private; unsigned int chan = CR_CHAN(insn->chanspec); unsigned int range = CR_RANGE(insn->chanspec); @@ -984,8 +980,7 @@ static int usbduxfast_attach_common(struct comedi_device *dev) static int usbduxfast_upload_firmware(struct comedi_device *dev, const struct firmware *fw) { - struct usb_interface *intf = comedi_to_usb_interface(dev); - struct usb_device *usb = interface_to_usbdev(intf); + struct usb_device *usb = comedi_to_usb_dev(dev); uint8_t *buf; unsigned char *tmp; int ret; @@ -1054,8 +1049,7 @@ done: static int usbduxfast_request_firmware(struct comedi_device *dev) { - struct usb_interface *intf = comedi_to_usb_interface(dev); - struct usb_device *usb = interface_to_usbdev(intf); + struct usb_device *usb = comedi_to_usb_dev(dev); const struct firmware *fw; int ret; @@ -1073,7 +1067,7 @@ static int usbduxfast_auto_attach(struct comedi_device *dev, unsigned long context_unused) { struct usb_interface *intf = comedi_to_usb_interface(dev); - struct usb_device *usb = interface_to_usbdev(intf); + struct usb_device *usb = comedi_to_usb_dev(dev); struct usbduxfast_private *devpriv; int ret; |