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Documentation: sysfs-bus-usb: update power/persist description 

There's no power/persist file for hubs. And CONFIG_USB_PERSIST was
removed in v2.6.26. Update the description of power/persist accordingly.
Also remove the line on its default value. It is not entirely correct, as
CONFIG_USB_DEFAULT_PERSIST and the USB_QUIRK_RESET flag influence the
default. It is not needed to understand this file anyhow.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paul Bolle 2014-07-02 12:10:45 +02:00 committed by Greg Kroah-Hartman
parent 6c0f36954b
commit cc583db3d7
1 changed files with 7 additions and 7 deletions
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14
Documentation/ABI/stable/sysfs-bus-usb
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@ -3,13 +3,13 @@ Date: May 2007
KernelVersion: 2.6.23
Contact: Alan Stern <stern@rowland.harvard.edu>
Description:
If CONFIG_USB_PERSIST is set, then each USB device directory
will contain a file named power/persist. The file holds a
boolean value (0 or 1) indicating whether or not the
"USB-Persist" facility is enabled for the device. Since the
facility is inherently dangerous, it is disabled by default
for all devices except hubs. For more information, see
Documentation/usb/persist.txt.
USB device directories can contain a file named power/persist.
The file holds a boolean value (0 or 1) indicating whether or
not the "USB-Persist" facility is enabled for the device. For
hubs this facility is always enabled and their device
directories will not contain this file.
For more information, see Documentation/usb/persist.txt.
What: /sys/bus/usb/devices/.../power/autosuspend
Date: March 2007