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| author | Dave Airlie <airlied@starflyer.(none)> | 2006-01-03 08:18:01 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-01-03 08:18:01 +0100 |
| commit | 97f2aab6698f3ab2552c41c1024a65ffd0763a6d (patch) | |
| tree | bb6e3b2949459f54f884c710fc74d40eef00d834 /drivers/usb/host/ehci-hub.c | |
| parent | drm: major update from CVS for radeon and core (diff) | |
| parent | Linux v2.6.15 (diff) | |
| download | linux-97f2aab6698f3ab2552c41c1024a65ffd0763a6d.tar.xz linux-97f2aab6698f3ab2552c41c1024a65ffd0763a6d.zip | |
drm: merge in Linus mainline
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 88cb4ada686e..82caf336e9b6 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -94,6 +94,13 @@ static int ehci_bus_resume (struct usb_hcd *hcd) msleep(5); spin_lock_irq (&ehci->lock); + /* Ideally and we've got a real resume here, and no port's power + * was lost. (For PCI, that means Vaux was maintained.) But we + * could instead be restoring a swsusp snapshot -- so that BIOS was + * the last user of the controller, not reset/pm hardware keeping + * state we gave to it. + */ + /* re-init operational registers in case we lost power */ if (readl (&ehci->regs->intr_enable) == 0) { /* at least some APM implementations will try to deliver |