aic79xx: sane pci probing

Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic79xx.h
===================================================================
@@ -1247,9 +1247,6 @@
 	uint16_t		  user_tagenable;/* Tagged Queuing allowed */
 };
 
-TAILQ_HEAD(ahd_softc_tailq, ahd_softc);
-extern struct ahd_softc_tailq ahd_tailq;
-
 /*************************** IO Cell Configuration ****************************/
 #define	AHD_PRECOMP_SLEW_INDEX						\
     (AHD_ANNEXCOL_PRECOMP_SLEW - AHD_ANNEXCOL_PER_DEV0)

@@ -1374,8 +1371,6 @@
 void			 ahd_pause_and_flushwork(struct ahd_softc *ahd);
 int			 ahd_suspend(struct ahd_softc *ahd); 
 int			 ahd_resume(struct ahd_softc *ahd);
-void			 ahd_softc_insert(struct ahd_softc *);
-struct ahd_softc	*ahd_find_softc(struct ahd_softc *ahd);
 void			 ahd_set_unit(struct ahd_softc *, int);
 void			 ahd_set_name(struct ahd_softc *, char *);
 struct scb		*ahd_get_scb(struct ahd_softc *ahd, u_int col_idx);

@@ -1524,7 +1519,6 @@
 void			ahd_print_devinfo(struct ahd_softc *ahd,
 					  struct ahd_devinfo *devinfo);
 void			ahd_dump_sglist(struct scb *scb);
-void			ahd_dump_all_cards_state(void);
 void			ahd_dump_card_state(struct ahd_softc *ahd);
 int			ahd_print_register(ahd_reg_parse_entry_t *table,
 					   u_int num_entries,

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Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic79xx_proc.c
===================================================================
@@ -285,21 +285,13 @@
 ahd_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
 		    off_t offset, int length, int inout)
 {
-	struct	ahd_softc *ahd;
+	struct	ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
 	struct	info_str info;
 	char	ahd_info[256];
-	u_long	l;
 	u_int	max_targ;
 	u_int	i;
 	int	retval;
 
-	retval = -EINVAL;
-	ahd_list_lock(&l);
-	ahd = ahd_find_softc(*(struct ahd_softc **)shost->hostdata);
-
-	if (ahd == NULL)
-		goto done;
-
 	 /* Has data been written to the file? */ 
 	if (inout == TRUE) {
 		retval = ahd_proc_write_seeprom(ahd, buffer, length);

@@ -349,6 +341,5 @@
 	}
 	retval = info.pos > info.offset ? info.pos - info.offset : 0;
 done:
-	ahd_list_unlock(&l);
 	return (retval);
 }

Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic79xx_osm.h
===================================================================
@@ -120,7 +120,6 @@
 
 /************************* Configuration Data *********************************/
 extern uint32_t aic79xx_allow_memio;
-extern int aic79xx_detect_complete;
 extern struct scsi_host_template aic79xx_driver_template;
 
 /***************************** Bus Space/DMA **********************************/

@@ -532,17 +531,6 @@
 			     struct ahd_transinfo *tinfo);
 
 /******************************** Locking *************************************/
-/* Lock protecting internal data structures */
-static __inline void ahd_lockinit(struct ahd_softc *);
-static __inline void ahd_lock(struct ahd_softc *, unsigned long *flags);
-static __inline void ahd_unlock(struct ahd_softc *, unsigned long *flags);
-
-/* Lock held during ahd_list manipulation and ahd softc frees */
-extern spinlock_t ahd_list_spinlock;
-static __inline void ahd_list_lockinit(void);
-static __inline void ahd_list_lock(unsigned long *flags);
-static __inline void ahd_list_unlock(unsigned long *flags);
-
 static __inline void
 ahd_lockinit(struct ahd_softc *ahd)
 {

@@ -561,24 +549,6 @@
 	spin_unlock_irqrestore(&ahd->platform_data->spin_lock, *flags);
 }
 
-static __inline void
-ahd_list_lockinit(void)
-{
-	spin_lock_init(&ahd_list_spinlock);
-}
-
-static __inline void
-ahd_list_lock(unsigned long *flags)
-{
-	spin_lock_irqsave(&ahd_list_spinlock, *flags);
-}
-
-static __inline void
-ahd_list_unlock(unsigned long *flags)
-{
-	spin_unlock_irqrestore(&ahd_list_spinlock, *flags);
-}
-
 /******************************* PCI Definitions ******************************/
 /*
  * PCIM_xxx: mask to locate subfield in register

Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic79xx_pci.c
===================================================================
@@ -283,7 +283,6 @@
 ahd_pci_config(struct ahd_softc *ahd, struct ahd_pci_identity *entry)
 {
 	struct scb_data *shared_scb_data;
-	u_long		 l;
 	u_int		 command;
 	uint32_t	 devconfig;
 	uint16_t	 subvendor; 

@@ -373,16 +372,9 @@
 	 * Allow interrupts now that we are completely setup.
 	 */
 	error = ahd_pci_map_int(ahd);
-	if (error != 0)
-		return (error);
-
-	ahd_list_lock(&l);
-	/*
-	 * Link this softc in with all other ahd instances.
-	 */
-	ahd_softc_insert(ahd);
-	ahd_list_unlock(&l);
-	return (0);
+	if (!error)
+		ahd->init_level++;
+	return error;
 }
 
 /*