diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-29 03:51:15 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-29 03:51:15 -0500 |
| commit | 4ab432677957e0a064bba3690004d3244de8ad6c (patch) | |
| tree | 4ef5785f20be6f62bfc7fbe4f124e1751c9cabf5 /drivers/usb/host/ehci-hub.c | |
| parent | 30765528d156e58d41ed07cae8726c9105111b9d (diff) | |
| parent | 624f54be206adf970cd8eece16446b027913e533 (diff) | |
Merge branch 'master'
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 88cb4ada686..82caf336e9b 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 |