diff options
| author | Heikki Krogerus <heikki.krogerus@linux.intel.com> | 2015-09-21 11:14:32 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-09-27 10:54:31 -0500 |
| commit | 63863b988eeca2823ce76b28b104e0b8366cafec (patch) | |
| tree | 7b30daaebfda473f60805afeef2ed696305ddf51 /include/linux/usb/ch9.h | |
| parent | 58efd4b06df4a421652cb2c8a850a9697a37915c (diff) | |
usb: common: of_usb_get_maximum_speed to usb_get_maximum_speed
By using the unified device property interface, the function
can be made available for all platforms and not just the
ones using DT.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'include/linux/usb/ch9.h')
| -rw-r--r-- | include/linux/usb/ch9.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 27603bcbb9b9..6cc96bb12ddc 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -32,9 +32,9 @@ #ifndef __LINUX_USB_CH9_H #define __LINUX_USB_CH9_H +#include <linux/device.h> #include <uapi/linux/usb/ch9.h> - /** * usb_speed_string() - Returns human readable-name of the speed. * @speed: The speed to return human-readable name for. If it's not @@ -43,6 +43,15 @@ */ extern const char *usb_speed_string(enum usb_device_speed speed); +/** + * usb_get_maximum_speed - Get maximum requested speed for a given USB + * controller. + * @dev: Pointer to the given USB controller device + * + * The function gets the maximum speed string from property "maximum-speed", + * and returns the corresponding enum usb_device_speed. + */ +extern enum usb_device_speed usb_get_maximum_speed(struct device *dev); /** * usb_state_string - Returns human readable name for the state. |