diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-02-25 09:40:22 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-02-25 09:40:26 +0100 |
| commit | 996de8c6fe95c5a9fc524241cc8f142ef0605d3d (patch) | |
| tree | 0f637ab0d80d6d7e213707ac2d8c1cc16b69523c /drivers/usb/host/uhci-hcd.c | |
| parent | 017c426138122c8e9b9f5057fbd0567c37b35247 (diff) | |
| parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) | |
Merge commit 'v2.6.33' into core/rcu
Merge reason: Update from -rc4 to -final.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/host/uhci-hcd.c')
| -rw-r--r-- | drivers/usb/host/uhci-hcd.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 5cd0e48f67fb..99cd00fd3514 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -749,7 +749,20 @@ static int uhci_rh_suspend(struct usb_hcd *hcd) spin_lock_irq(&uhci->lock); if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) rc = -ESHUTDOWN; - else if (!uhci->dead) + else if (uhci->dead) + ; /* Dead controllers tell no tales */ + + /* Once the controller is stopped, port resumes that are already + * in progress won't complete. Hence if remote wakeup is enabled + * for the root hub and any ports are in the middle of a resume or + * remote wakeup, we must fail the suspend. + */ + else if (hcd->self.root_hub->do_remote_wakeup && + uhci->resuming_ports) { + dev_dbg(uhci_dev(uhci), "suspend failed because a port " + "is resuming\n"); + rc = -EBUSY; + } else suspend_rh(uhci, UHCI_RH_SUSPENDED); spin_unlock_irq(&uhci->lock); return rc; |