diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp_core.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_core.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 53b58debc28..a2297db8081 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; @@ -265,8 +266,7 @@ static int pciehp_probe(struct pcie_device *dev) rc = init_slot(ctrl); if (rc) { if (rc == -EBUSY) - ctrl_warn(ctrl, "Slot already registered by another " - "hotplug driver\n"); + ctrl_warn(ctrl, "Slot already registered by another hotplug driver\n"); else ctrl_err(ctrl, "Slot initialization failed\n"); goto err_out_release_ctlr; @@ -283,8 +283,11 @@ 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); @@ -308,12 +311,12 @@ static void pciehp_remove(struct pcie_device *dev) } #ifdef CONFIG_PM -static int pciehp_suspend (struct pcie_device *dev) +static int pciehp_suspend(struct pcie_device *dev) { return 0; } -static int pciehp_resume (struct pcie_device *dev) +static int pciehp_resume(struct pcie_device *dev) { struct controller *ctrl; struct slot *slot; @@ -328,10 +331,12 @@ 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 */ |