diff options
| author |   H Hartley Sweeten <hsweeten@visionengravers.com> | 2013-05-20 14:27:48 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-21 10:59:11 -0700 |
| commit | 87d87adcd797291e553fcfca32bc7b257a041d95 (patch) | |
| tree | 5a8ae62d7b77b985a5dbf2585645fcfcbd5d9237 | |
| parent | staging: comedi: vmk80xx: remove usb_interface from private data (diff) | |
staging: comedi: dt9812: 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/dt9812.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c index 9aab5b9a8738..6c60949d9193 100644 --- a/drivers/staging/comedi/drivers/dt9812.c +++ b/drivers/staging/comedi/drivers/dt9812.c @@ -252,8 +252,7 @@ struct dt9812_private { static int dt9812_read_info(struct comedi_device *dev, int offset, void *buf, size_t buf_size) { - 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 dt9812_private *devpriv = dev->private; struct dt9812_usb_cmd cmd; int count, ret; @@ -277,8 +276,7 @@ static int dt9812_read_multiple_registers(struct comedi_device *dev, int reg_count, u8 *address, u8 *value) { - 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 dt9812_private *devpriv = dev->private; struct dt9812_usb_cmd cmd; int i, count, ret; @@ -302,8 +300,7 @@ static int dt9812_write_multiple_registers(struct comedi_device *dev, int reg_count, u8 *address, u8 *value) { - 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 dt9812_private *devpriv = dev->private; struct dt9812_usb_cmd cmd; int i, count; @@ -324,8 +321,7 @@ static int dt9812_rmw_multiple_registers(struct comedi_device *dev, int reg_count, struct dt9812_rmw_byte *rmw) { - 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 dt9812_private *devpriv = dev->private; struct dt9812_usb_cmd cmd; int i, count; @@ -706,8 +702,7 @@ static int dt9812_find_endpoints(struct comedi_device *dev) static int dt9812_reset_device(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 dt9812_private *devpriv = dev->private; u32 serial; u16 vendor; |