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authorHans de Goede <hdegoede@redhat.com>2013-08-30 11:00:22 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-30 11:13:26 -0700
commitdb187a5b500a2fdfaca099012dcd70dcd9b8071a (patch)
treeb708a3c37d546dd9b197e9b367d8bb0748bc5b88 /Documentation/ABI/stable
parent1f77fdf7866ae6228f583ba8e8376c2a6a032cc4 (diff)
Documentation sysfs-bus-usb: Document the speed file used by libusb
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/stable')
-rw-r--r--Documentation/ABI/stable/sysfs-bus-usb6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-bus-usb b/Documentation/ABI/stable/sysfs-bus-usb
index 6b59aeaee75e..a596414964c5 100644
--- a/Documentation/ABI/stable/sysfs-bus-usb
+++ b/Documentation/ABI/stable/sysfs-bus-usb
@@ -124,3 +124,9 @@ Description:
can be trusted, and can be used to seek forward one (sub)
descriptor at a time until the next config descriptor is found.
All descriptors read from this file are in bus-endian format
+
+What: /sys/bus/usb/devices/.../speed
+KernelVersion: since at least 2.6.18
+Description:
+ Speed the device is connected with to the usb-host in
+ Mbit / second. IE one of 1.5 / 12 / 480 / 5000.