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authorSarah Sharp <sarah.a.sharp@linux.intel.com>2012-01-06 16:27:25 -0800
committerSarah Sharp <sarah.a.sharp@linux.intel.com>2012-02-14 12:12:28 -0800
commit2839f5bcfcfc61f69a36c262107e3cfd6eee9f53 (patch)
treea47d1280014303d7cea4232439e66cb2d30537a3 /drivers/usb/core/hub.c
parent72937e1e342f5631d08df4ef0629e55bdcf74c76 (diff)
USB: Turn on auto-suspend for USB 3.0 hubs.
Now that USB 3.0 hub remote wakeup on port status changes is enabled, and USB 3.0 device remote wakeup is handled in the USB core properly, let's turn on auto-suspend for all USB 3.0 hubs. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Diffstat (limited to 'drivers/usb/core/hub.c')
-rw-r--r--drivers/usb/core/hub.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 994aa8853ba..d4f06247279 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1315,14 +1315,8 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
desc = intf->cur_altsetting;
hdev = interface_to_usbdev(intf);
- /* Hubs have proper suspend/resume support. USB 3.0 device suspend is
- * different from USB 2.0/1.1 device suspend, and unfortunately we
- * don't support it yet. So leave autosuspend disabled for USB 3.0
- * external hubs for now. Enable autosuspend for USB 3.0 roothubs,
- * since that isn't a "real" hub.
- */
- if (!hub_is_superspeed(hdev) || !hdev->parent)
- usb_enable_autosuspend(hdev);
+ /* Hubs have proper suspend/resume support. */
+ usb_enable_autosuspend(hdev);
if (hdev->level == MAX_TOPO_LEVEL) {
dev_err(&intf->dev,