USB: teach "devices" file about Wireless and SuperSpeed USB

The /sys/kernel/debug/usb/devices file doesn't know about Wireless or
SuperSpeed USB.  This patch (as1416b) teaches it, and updates the
Documentation/usb/proc_sub_info.txt file accordingly.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: David Vrabel <david.vrabel@csr.com>
CC: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 3449742c00e1..ddb4dc980923 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -66,8 +66,8 @@
 #define ALLOW_SERIAL_NUMBER
 
 static const char *format_topo =
-/* T:  Bus=dd Lev=dd Prnt=dd Port=dd Cnt=dd Dev#=ddd Spd=ddd MxCh=dd */
-"\nT:  Bus=%2.2d Lev=%2.2d Prnt=%2.2d Port=%2.2d Cnt=%2.2d Dev#=%3d Spd=%3s MxCh=%2d\n";
+/* T:  Bus=dd Lev=dd Prnt=dd Port=dd Cnt=dd Dev#=ddd Spd=dddd MxCh=dd */
+"\nT:  Bus=%2.2d Lev=%2.2d Prnt=%2.2d Port=%2.2d Cnt=%2.2d Dev#=%3d Spd=%-4s MxCh=%2d\n";
 
 static const char *format_string_manufacturer =
 /* S:  Manufacturer=xxxx */
@@ -520,11 +520,14 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes,
                 speed = "1.5"; break;
         case USB_SPEED_UNKNOWN:         /* usb 1.1 root hub code */
         case USB_SPEED_FULL:
-                speed = "12 "; break;
+                speed = "12"; break;
+        case USB_SPEED_WIRELESS:        /* Wireless has no real fixed speed */
         case USB_SPEED_HIGH:
                 speed = "480"; break;
+        case USB_SPEED_SUPER:
+                speed = "5000"; break;
         default:
-                speed = "?? ";
+                speed = "??";
         }
         data_end = pages_start + sprintf(pages_start, format_topo,
                         bus->busnum, level, parent_devnum,