| #ifndef __BACKPORT__LINUX_USB_CH9_H |
| #define __BACKPORT__LINUX_USB_CH9_H |
| |
| #include <linux/version.h> |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31) |
| #define usb_device_speed old_usb_device_speed |
| #define USB_SPEED_UNKNOWN OLD_USB_SPEED_UNKNOWN |
| #define USB_SPEED_LOW OLD_USB_SPEED_LOW |
| #define USB_SPEED_FULL OLD_USB_SPEED_FULL |
| #define USB_SPEED_HIGH OLD_USB_SPEED_HIGH |
| #include_next <linux/usb/ch9.h> |
| #undef usb_device_speed |
| #undef USB_SPEED_UNKNOWN |
| #undef USB_SPEED_LOW |
| #undef USB_SPEED_FULL |
| #undef USB_SPEED_HIGH |
| enum usb_device_speed { |
| USB_SPEED_UNKNOWN = 0, /* enumerating */ |
| USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */ |
| USB_SPEED_HIGH, /* usb 2.0 */ |
| USB_SPEED_WIRELESS, /* wireless (usb 2.5) */ |
| USB_SPEED_SUPER, /* usb 3.0 */ |
| }; |
| #else |
| #include_next <linux/usb/ch9.h> |
| #endif /* < 2.6.30 */ |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(3,2,0) |
| #include <linux/types.h> /* __u8 etc */ |
| #include <asm/byteorder.h> /* le16_to_cpu */ |
| |
| /** |
| * usb_endpoint_maxp - get endpoint's max packet size |
| * @epd: endpoint to be checked |
| * |
| * Returns @epd's max packet |
| */ |
| #define usb_endpoint_maxp LINUX_BACKPORT(usb_endpoint_maxp) |
| static inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd) |
| { |
| return __le16_to_cpu(epd->wMaxPacketSize); |
| } |
| #endif /* < 3.2 */ |
| |
| #endif /* __BACKPORT__LINUX_USB_CH9_H */ |
