#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/sched.h> /* signal_pending(), struct timer_list */
+#include <linux/mutex.h>
#include "pci_hotplug.h"
#define SLOT_MAGIC 0x67267321
struct slot {
u32 magic;
- struct slot *next;
u8 bus;
u8 device;
u16 status;
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 */
struct pci_dev *pci_dev;
struct pci_bus *pci_bus;
struct event_info event_queue[10];
- struct slot *slot;
+ struct list_head slot_list;
struct hpc_ops *hpc_ops;
wait_queue_head_t queue; /* sleep & wake process */
u8 next_event;
static inline struct slot *shpchp_find_slot (struct controller *ctrl, u8 device)
{
- struct slot *p_slot, *tmp_slot = NULL;
+ struct slot *slot;
if (!ctrl)
return NULL;
- p_slot = ctrl->slot;
-
- while (p_slot && (p_slot->device != device)) {
- tmp_slot = p_slot;
- p_slot = p_slot->next;
- }
- if (p_slot == NULL) {
- err("ERROR: shpchp_find_slot device=0x%x\n", device);
- p_slot = tmp_slot;
+ list_for_each_entry(slot, &ctrl->slot_list, slot_list) {
+ if (slot->device == device)
+ return slot;
}
- return (p_slot);
+ err("%s: slot (device=0x%x) not found\n", __FUNCTION__, device);
+
+ return NULL;
}
static inline int wait_for_ctrl_irq (struct controller *ctrl)
pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MISCII_OFFSET, pcix_misc2_temp);
}
-#define SLOT_NAME_SIZE 10
-
-static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot)
-{
- snprintf(buffer, buffer_size, "%04d_%04d", slot->bus, slot->number);
-}
-
enum php_ctlr_type {
PCI,
ISA,