diff options
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/ohci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index eb7b591e1c1b..3a908038ff62 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -3284,6 +3284,13 @@ static int pci_resume(struct pci_dev *dev) return err; } + /* Some systems don't setup GUID register on resume from ram */ + if (!reg_read(ohci, OHCI1394_GUIDLo) && + !reg_read(ohci, OHCI1394_GUIDHi)) { + reg_write(ohci, OHCI1394_GUIDLo, (u32)ohci->card.guid); + reg_write(ohci, OHCI1394_GUIDHi, (u32)(ohci->card.guid >> 32)); + } + return ohci_enable(&ohci->card, NULL, 0); } #endif |