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authorAlan Stern <stern@rowland.harvard.edu>2007-02-20 15:00:53 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2007-02-23 15:03:46 -0800
commitb5e795f8df42936590ba9c606edc715fe3593284 (patch)
treeed0f132edc4d050407c4ba0b4582f167db86ba72 /Documentation/kernel-parameters.txt
parentaa084f3efe5fb7e9c0d5b54ce704f0de69bbf27c (diff)
USB: make autosuspend delay a module parameter
This patch (as859) makes the default USB autosuspend delay a module parameter of usbcore. By setting the delay value at boot time, users will be able to prevent the system from autosuspending devices which for some reason can't handle it. The patch also stores the autosuspend delay as a per-device value. A later patch will allow the user to change the value, tailoring the delay for each individual device. A delay value of 0 will prevent autosuspend. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c479d30eeaa3..03eb5ed503f7 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1758,6 +1758,13 @@ and is between 256 and 4096 characters. It is defined in the file
Note that genuine overcurrent events won't be
reported either.
+ usbcore.autosuspend=
+ [USB] The autosuspend time delay (in seconds) used
+ for newly-detected USB devices (default 2). This
+ is the time required before an idle device will be
+ autosuspended. Devices for which the delay is set
+ to 0 won't be autosuspended at all.
+
usbhid.mousepoll=
[USBHID] The interval which mice are to be polled at.