summaryrefslogtreecommitdiff
path: root/include/uapi/linux/usb/ch11.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/usb/ch11.h')
-rw-r--r--include/uapi/linux/usb/ch11.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/ch11.h b/include/uapi/linux/usb/ch11.h
index 29c120c88747..fb0cd24c392c 100644
--- a/include/uapi/linux/usb/ch11.h
+++ b/include/uapi/linux/usb/ch11.h
@@ -197,6 +197,11 @@ struct usb_port_status {
#define USB_EXT_PORT_STAT_RX_LANES 0x00000f00
#define USB_EXT_PORT_STAT_TX_LANES 0x0000f000
+#define USB_EXT_PORT_RX_LANES(p) \
+ (((p) & USB_EXT_PORT_STAT_RX_LANES) >> 8)
+#define USB_EXT_PORT_TX_LANES(p) \
+ (((p) & USB_EXT_PORT_STAT_TX_LANES) >> 12)
+
/*
* wHubCharacteristics (masks)
* See USB 2.0 spec Table 11-13, offset 3