Tejun Heo 77fa83cf74
usb: don't use PREPARE_DELAYED_WORK ...
PREPARE_[DELAYED_]WORK() are being phased out. They have few users
and a nasty surprise in terms of reentrancy guarantee as workqueue
considers work items to be different if they don't have the same work
function.
usb_hub->init_work is multiplexed with multiple work functions;
however, the work item is never queued while in-flight, so we can
simply use INIT_DELAYED_WORK() before each queueing.
It would probably be best to route this with other related updates
through the workqueue tree.
Lightly tested.
v2: Greg and Alan confirm that the work item is never queued while
in-flight. Simply use INIT_DELAYED_WORK().
Signed-off-by: Tejun Heo <tj@kernel.org >
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org >
Cc: Alan Stern <stern@rowland.harvard.edu >
Cc: linux-usb@vger.kernel.org
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77fa83cf74