diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp.h')
| -rw-r--r-- | drivers/pci/hotplug/pciehp.h | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 0aac6a61337d..92c1f0f1e1ad 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -34,6 +34,7 @@ #include <linux/delay.h> #include <linux/sched.h> /* signal_pending() */ #include <linux/pcieport_if.h> +#include <linux/mutex.h> #include "pci_hotplug.h" #define MY_NAME "pciehp" @@ -49,12 +50,6 @@ extern int pciehp_force; #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg) #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg) -struct hotplug_params { - u8 cache_line_size; - u8 latency_timer; - u8 enable_serr; - u8 enable_perr; -}; struct slot { struct slot *next; @@ -96,7 +91,7 @@ struct php_ctlr_state_s { #define MAX_EVENTS 10 struct controller { struct controller *next; - struct semaphore crit_sect; /* critical section semaphore */ + struct mutex crit_sect; /* critical section mutex */ struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */ int num_slots; /* Number of slots on ctlr */ int slot_num_inc; /* 1 or -1 */ @@ -191,9 +186,6 @@ extern u8 pciehp_handle_power_fault (u8 hp_slot, void *inst_id); /* pci functions */ extern int pciehp_configure_device (struct slot *p_slot); extern int pciehp_unconfigure_device (struct slot *p_slot); -extern int pciehp_get_hp_hw_control_from_firmware(struct pci_dev *dev); -extern void pciehp_get_hp_params_from_firmware(struct pci_dev *dev, - struct hotplug_params *hpp); @@ -285,4 +277,19 @@ struct hpc_ops { int (*check_lnk_status) (struct controller *ctrl); }; + +#ifdef CONFIG_ACPI +#define pciehp_get_hp_hw_control_from_firmware(dev) \ + pciehp_acpi_get_hp_hw_control_from_firmware(dev) +static inline int pciehp_get_hp_params_from_firmware(struct pci_dev *dev, + struct hotplug_params *hpp) +{ + if (ACPI_FAILURE(acpi_get_hp_params_from_firmware(dev, hpp))) + return -ENODEV; + return 0; +} +#else +#define pciehp_get_hp_hw_control_from_firmware(dev) 0 +#define pciehp_get_hp_params_from_firmware(dev, hpp) (-ENODEV) +#endif /* CONFIG_ACPI */ #endif /* _PCIEHP_H */ |