PNPACPI: Add support for remote wakeup

This patch (as1354) adds remote-wakeup support to the pnpacpi driver.
The new can_wakeup method also allows other PNP protocol drivers
(pnpbios or iaspnp) to add wakeup support, but I don't know enough
about how they work to actually do it.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
index 5dba90995d9e..88b3cde52596 100644
--- a/drivers/pnp/core.c
+++ b/drivers/pnp/core.c
@@ -164,6 +164,9 @@ int __pnp_add_device(struct pnp_dev *dev)
         list_add_tail(&dev->global_list, &pnp_global);
         list_add_tail(&dev->protocol_list, &dev->protocol->devices);
         spin_unlock(&pnp_lock);
+        if (dev->protocol->can_wakeup)
+                device_set_wakeup_capable(&dev->dev,
+                                dev->protocol->can_wakeup(dev));
         return device_register(&dev->dev);
 }