pciehp: Event handling rework

[linux-2.6-omap-h63xx.git] / drivers / pci / hotplug / pciehp.h

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index d19fcae8a7c0eac3c41461c7d3da15026a7a730c..c98e27128cc4ef9be650a990070517aa8e14f2a6 100644 (file)
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -43,6 +43,7 @@ extern int pciehp_poll_mode;
 extern int pciehp_poll_time;
 extern int pciehp_debug;
 extern int pciehp_force;
+extern struct workqueue_struct *pciehp_wq;
 
 #define dbg(format, arg...)                                            \
        do {                                                            \
@@ -70,14 +71,16 @@ struct slot {
        struct list_head        slot_list;
        char name[SLOT_NAME_SIZE];
        unsigned long last_emi_toggle;
+       struct delayed_work work;       /* work for button event */
+       struct mutex lock;
 };
 
 struct event_info {
        u32 event_type;
-       u8 hp_slot;
+       struct slot *p_slot;
+       struct work_struct work;
 };
 
-#define MAX_EVENTS             10
 struct controller {
        struct controller *next;
        struct mutex crit_sect;         /* critical section mutex */
@@ -86,11 +89,9 @@ struct controller {
        int slot_num_inc;               /* 1 or -1 */
        struct pci_dev *pci_dev;
        struct list_head slot_list;
-       struct event_info event_queue[MAX_EVENTS];
        struct slot *slot;
        struct hpc_ops *hpc_ops;
        wait_queue_head_t queue;        /* sleep & wake process */
-       u8 next_event;
        u8 bus;
        u8 device;
        u8 function;
@@ -149,16 +150,15 @@ struct controller {
 #define HP_SUPR_RM(cap)                (cap & HP_SUPR_RM_SUP)
 #define EMI(cap)               (cap & EMI_PRSN)
 
-extern int pciehp_event_start_thread(void);
-extern void pciehp_event_stop_thread(void);
-extern int pciehp_enable_slot(struct slot *slot);
-extern int pciehp_disable_slot(struct slot *slot);
+extern int pciehp_sysfs_enable_slot(struct slot *slot);
+extern int pciehp_sysfs_disable_slot(struct slot *slot);
 extern u8 pciehp_handle_attention_button(u8 hp_slot, struct controller *ctrl);
 extern u8 pciehp_handle_switch_change(u8 hp_slot, struct controller *ctrl);
 extern u8 pciehp_handle_presence_change(u8 hp_slot, struct controller *ctrl);
 extern u8 pciehp_handle_power_fault(u8 hp_slot, struct controller *ctrl);
 extern int pciehp_configure_device(struct slot *p_slot);
 extern int pciehp_unconfigure_device(struct slot *p_slot);
+extern void queue_pushbutton_work(struct work_struct *work);
 int pcie_init(struct controller *ctrl, struct pcie_device *dev);
 
 /* Global variables */