diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firewire/ohci.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 4888935..673c897 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -3712,11 +3712,16 @@ static int pci_probe(struct pci_dev *dev, static void pci_remove(struct pci_dev *dev) { - struct fw_ohci *ohci; + struct fw_ohci *ohci = pci_get_drvdata(dev); - ohci = pci_get_drvdata(dev); - reg_write(ohci, OHCI1394_IntMaskClear, ~0); - flush_writes(ohci); + /* + * If the removal is happening from the suspend state, LPS won't be + * enabled and host registers (eg., IntMaskClear) won't be accessible. + */ + if (reg_read(ohci, OHCI1394_HCControlSet) & OHCI1394_HCControl_LPS) { + reg_write(ohci, OHCI1394_IntMaskClear, ~0); + flush_writes(ohci); + } cancel_work_sync(&ohci->bus_reset_work); fw_core_remove_card(&ohci->card); |
