From 87d87adcd797291e553fcfca32bc7b257a041d95 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Mon, 20 May 2013 14:27:48 -0700 Subject: [PATCH] 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 Cc Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/dt9812.c | 15 +++++---------- 1 file 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; -- 2.20.1