diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp.h')
| -rw-r--r-- | drivers/pci/hotplug/pciehp.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index b2801a7ee37..27fd18f019f 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -220,11 +220,23 @@ struct hpc_ops { #include <acpi/actypes.h> #include <linux/pci-acpi.h> +extern void __init pciehp_acpi_slot_detection_init(void); +extern int pciehp_acpi_slot_detection_check(struct pci_dev *dev); + +static inline void pciehp_firmware_init(void) +{ + pciehp_acpi_slot_detection_init(); +} + static inline int pciehp_get_hp_hw_control_from_firmware(struct pci_dev *dev) { + int retval; u32 flags = (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL); - return acpi_get_hp_hw_control_from_firmware(dev, flags); + retval = acpi_get_hp_hw_control_from_firmware(dev, flags); + if (retval) + return retval; + return pciehp_acpi_slot_detection_check(dev); } static inline int pciehp_get_hp_params_from_firmware(struct pci_dev *dev, @@ -235,6 +247,7 @@ static inline int pciehp_get_hp_params_from_firmware(struct pci_dev *dev, return 0; } #else +#define pciehp_firmware_init() do {} while (0) #define pciehp_get_hp_hw_control_from_firmware(dev) 0 #define pciehp_get_hp_params_from_firmware(dev, hpp) (-ENODEV) #endif /* CONFIG_ACPI */ |