diff options
Diffstat (limited to 'drivers/pci/slot.c')
| -rw-r--r-- | drivers/pci/slot.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c index fe95ce20bcbd..eddb0748b0ea 100644 --- a/drivers/pci/slot.c +++ b/drivers/pci/slot.c @@ -307,6 +307,45 @@ void pci_destroy_slot(struct pci_slot *slot) } EXPORT_SYMBOL_GPL(pci_destroy_slot); +#if defined(CONFIG_HOTPLUG_PCI) || defined(CONFIG_HOTPLUG_PCI_MODULE) +#include <linux/pci_hotplug.h> +/** + * pci_hp_create_link - create symbolic link to the hotplug driver module. + * @slot: struct pci_slot + * + * Helper function for pci_hotplug_core.c to create symbolic link to + * the hotplug driver module. + */ +void pci_hp_create_module_link(struct pci_slot *pci_slot) +{ + struct hotplug_slot *slot = pci_slot->hotplug; + struct kobject *kobj = NULL; + int no_warn; + + if (!slot || !slot->ops) + return; + kobj = kset_find_obj(module_kset, slot->ops->mod_name); + if (!kobj) + return; + no_warn = sysfs_create_link(&pci_slot->kobj, kobj, "module"); + kobject_put(kobj); +} +EXPORT_SYMBOL_GPL(pci_hp_create_module_link); + +/** + * pci_hp_remove_link - remove symbolic link to the hotplug driver module. + * @slot: struct pci_slot + * + * Helper function for pci_hotplug_core.c to remove symbolic link to + * the hotplug driver module. + */ +void pci_hp_remove_module_link(struct pci_slot *pci_slot) +{ + sysfs_remove_link(&pci_slot->kobj, "module"); +} +EXPORT_SYMBOL_GPL(pci_hp_remove_module_link); +#endif + static int pci_slot_init(void) { struct kset *pci_bus_kset; |