1 files changed, 19 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index dd28a0d56981..d4f4875fc7c6 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2253,6 +2253,25 @@ and is between 256 and 4096 characters. It is defined in the file
                         autosuspended.  Devices for which the delay is set
                         to a negative value won't be autosuspended at all.
 
+        usbcore.usbfs_snoop=
+                        [USB] Set to log all usbfs traffic (default 0 = off).
+
+        usbcore.blinkenlights=
+                        [USB] Set to cycle leds on hubs (default 0 = off).
+
+        usbcore.old_scheme_first=
+                        [USB] Start with the old device initialization
+                        scheme (default 0 = off).
+
+        usbcore.use_both_schemes=
+                        [USB] Try the other device initialization scheme
+                        if the first one fails (default 1 = enabled).
+
+        usbcore.initial_descriptor_timeout=
+                        [USB] Specifies timeout for the initial 64-byte
+                        USB_REQ_GET_DESCRIPTOR request in milliseconds
+                        (default 5000 = 5.0 seconds).
+
         usbhid.mousepoll=
                         [USBHID] The interval which mice are to be polled at.