PCI: pciehp: Drop slot workqueue
Previously the slot workqueue was used to handle events and enable or disable the slot. That's no longer the case as those tasks are done synchronously in the IRQ thread. The slot workqueue is thus merely used to handle a button press after the 5 second delay and only one such work item may be in flight at any given time. A separate workqueue isn't necessary for this simple task, so use the system workqueue instead. Signed-off-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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