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| author | Stefan Koch <stefan.koch10@gmail.com> | 2015-08-25 21:10:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-09-22 12:08:40 -0700 |
| commit | 7f59c150ad9ae017abcff16775ccdd0bdefb963d (patch) | |
| tree | 790d93be49f94dfb80b445159b122b67d62c090a /Documentation/ABI | |
| parent | 310d2b4124c073a2057ef9d952d4d938e9b1dfd9 (diff) | |
| download | linux-7f59c150ad9ae017abcff16775ccdd0bdefb963d.tar.bz2 | |
usb: interface authorization: Documentation part
This part adds the documentation for the interface authorization.
Signed-off-by: Stefan Koch <stefan.koch10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index 864637f25bee..3a4abfc44f5e 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -1,3 +1,23 @@ +What: /sys/bus/usb/devices/INTERFACE/authorized +Date: August 2015 +Description: + This allows to authorize (1) or deauthorize (0) + individual interfaces instead a whole device + in contrast to the device authorization. + If a deauthorized interface will be authorized + so the driver probing must be triggered manually + by writing INTERFACE to /sys/bus/usb/drivers_probe + This allows to avoid side-effects with drivers + that need multiple interfaces. + A deauthorized interface cannot be probed or claimed. + +What: /sys/bus/usb/devices/usbX/interface_authorized_default +Date: August 2015 +Description: + This is used as value that determines if interfaces + would be authorized by default. + The value can be 1 or 0. It's by default 1. + What: /sys/bus/usb/device/.../authorized Date: July 2008 KernelVersion: 2.6.26 |