Name
usb_get_maximum_speed — 
     Get maximum requested speed for a given USB controller.
 
Synopsis
| enum usb_device_speed usb_get_maximum_speed ( | struct device * dev ); | 
 
Arguments
- dev
- 
     Pointer to the given USB controller device
     
Description
   The function gets the maximum speed string from property “maximum-speed”,
   and returns the corresponding enum usb_device_speed.