diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp_core.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 53b58debc288..0e0a2fff20a3 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -108,6 +108,7 @@ static int init_slot(struct controller *ctrl) ops = kzalloc(sizeof(*ops), GFP_KERNEL); if (!ops) goto out; + ops->enable_slot = enable_slot; ops->disable_slot = disable_slot; ops->get_power_status = get_power_status; @@ -283,8 +284,11 @@ static int pciehp_probe(struct pcie_device *dev) slot = ctrl->slot; pciehp_get_adapter_status(slot, &occupied); pciehp_get_power_status(slot, &poweron); - if (occupied && pciehp_force) + if (occupied && pciehp_force) { + mutex_lock(&slot->hotplug_lock); pciehp_enable_slot(slot); + mutex_unlock(&slot->hotplug_lock); + } /* If empty slot's power status is on, turn power off */ if (!occupied && poweron && POWER_CTRL(ctrl)) pciehp_power_off_slot(slot); @@ -328,10 +332,12 @@ static int pciehp_resume (struct pcie_device *dev) /* Check if slot is occupied */ pciehp_get_adapter_status(slot, &status); + mutex_lock(&slot->hotplug_lock); if (status) pciehp_enable_slot(slot); else pciehp_disable_slot(slot); + mutex_unlock(&slot->hotplug_lock); return 0; } #endif /* PM */ |