aic7xxx: remove ahc_tailq

Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic7770.c
===================================================================
@@ -254,19 +254,12 @@
 	if (error != 0)
 		return (error);
 
-	ahc_list_lock(&l);
-	/*
-	 * Link this softc in with all other ahc instances.
-	 */
-	ahc_softc_insert(ahc);
+	ahc->init_level++;
 
 	/*
 	 * Enable the board's BUS drivers
 	 */
 	ahc_outb(ahc, BCTL, ENABLE);
-
-	ahc_list_unlock(&l);
-
 	return (0);
 }
 

Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx.h
===================================================================
@@ -1023,9 +1023,6 @@
 	struct cs		 *critical_sections;
 	u_int			  num_critical_sections;
 
-	/* Links for chaining softcs */
-	TAILQ_ENTRY(ahc_softc)	  links;
-
 	/* Channel Names ('A', 'B', etc.) */
 	char			  channel;
 	char			  channel_b;

@@ -1110,9 +1107,6 @@
 	uint16_t		  user_tagenable;/* Tagged Queuing allowed */
 };
 
-TAILQ_HEAD(ahc_softc_tailq, ahc_softc);
-extern struct ahc_softc_tailq ahc_tailq;
-
 /************************ Active Device Information ***************************/
 typedef enum {
 	ROLE_UNKNOWN,

@@ -1198,7 +1192,6 @@
 void			 ahc_pause_and_flushwork(struct ahc_softc *ahc);
 int			 ahc_suspend(struct ahc_softc *ahc); 
 int			 ahc_resume(struct ahc_softc *ahc);
-void			 ahc_softc_insert(struct ahc_softc *);
 void			 ahc_set_unit(struct ahc_softc *, int);
 void			 ahc_set_name(struct ahc_softc *, char *);
 void			 ahc_alloc_scbs(struct ahc_softc *ahc);

Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx_core.c
===================================================================
@@ -52,9 +52,6 @@
 #include <dev/aic7xxx/aicasm/aicasm_insformat.h>
 #endif
 
-/****************************** Softc Data ************************************/
-struct ahc_softc_tailq ahc_tailq = TAILQ_HEAD_INITIALIZER(ahc_tailq);
-
 /***************************** Lookup Tables **********************************/
 char *ahc_chip_names[] =
 {

@@ -3879,25 +3876,6 @@
 }
 
 void
-ahc_softc_insert(struct ahc_softc *ahc)
-{
-	struct ahc_softc *list_ahc;
-
-	/*
-	 * Insertion sort into our list of softcs.
-	 */
-	list_ahc = TAILQ_FIRST(&ahc_tailq);
-	while (list_ahc != NULL
-	    && ahc_softc_comp(ahc, list_ahc) <= 0)
-		list_ahc = TAILQ_NEXT(list_ahc, links);
-	if (list_ahc != NULL)
-		TAILQ_INSERT_BEFORE(list_ahc, ahc, links);
-	else
-		TAILQ_INSERT_TAIL(&ahc_tailq, ahc, links);
-	ahc->init_level++;
-}
-
-void
 ahc_set_unit(struct ahc_softc *ahc, int unit)
 {
 	ahc->unit = unit;

200 lines not on this page · raw message

Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx_osm.h
===================================================================
@@ -509,15 +509,6 @@
 
 /******************************** Locking *************************************/
 /* Lock protecting internal data structures */
-static __inline void ahc_lockinit(struct ahc_softc *);
-static __inline void ahc_lock(struct ahc_softc *, unsigned long *flags);
-static __inline void ahc_unlock(struct ahc_softc *, unsigned long *flags);
-
-/* Lock held during ahc_list manipulation and ahc softc frees */
-extern spinlock_t ahc_list_spinlock;
-static __inline void ahc_list_lockinit(void);
-static __inline void ahc_list_lock(unsigned long *flags);
-static __inline void ahc_list_unlock(unsigned long *flags);
 
 static __inline void
 ahc_lockinit(struct ahc_softc *ahc)

@@ -537,24 +528,6 @@
 	spin_unlock_irqrestore(&ahc->platform_data->spin_lock, *flags);
 }
 
-static __inline void
-ahc_list_lockinit(void)
-{
-	spin_lock_init(&ahc_list_spinlock);
-}
-
-static __inline void
-ahc_list_lock(unsigned long *flags)
-{
-	spin_lock_irqsave(&ahc_list_spinlock, *flags);
-}
-
-static __inline void
-ahc_list_unlock(unsigned long *flags)
-{
-	spin_unlock_irqrestore(&ahc_list_spinlock, *flags);
-}
-
 /******************************* PCI Definitions ******************************/
 /*
  * PCIM_xxx: mask to locate subfield in register

@@ -891,7 +864,6 @@
 irqreturn_t
 	ahc_linux_isr(int irq, void *dev_id, struct pt_regs * regs);
 void	ahc_platform_flushwork(struct ahc_softc *ahc);
-int	ahc_softc_comp(struct ahc_softc *, struct ahc_softc *);
 void	ahc_done(struct ahc_softc*, struct scb*);
 void	ahc_send_async(struct ahc_softc *, char channel,
 		       u_int target, u_int lun, ac_code, void *);

Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
===================================================================
@@ -143,10 +143,6 @@
 	struct ahc_softc *ahc = pci_get_drvdata(pdev);
 	u_long s;
 
-	ahc_list_lock(&s);
-	TAILQ_REMOVE(&ahc_tailq, ahc, links);
-	ahc_list_unlock(&s);
-
 	ahc_lock(ahc, &s);
 	ahc_intr_enable(ahc, FALSE);
 	ahc_unlock(ahc, &s);

Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx_pci.c
===================================================================
@@ -704,7 +704,6 @@
 int
 ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry)
 {
-	u_long	 l;
 	u_int	 command;
 	u_int	 our_id;
 	u_int	 sxfrctl1;

@@ -964,12 +963,7 @@
 	if (error != 0)
 		return (error);
 
-	ahc_list_lock(&l);
-	/*
-	 * Link this softc in with all other ahc instances.
-	 */
-	ahc_softc_insert(ahc);
-	ahc_list_unlock(&l);
+	ahc->init_level++;
 	return (0);
 }