[SCSI] aic7xxx: cleanups

- make needlessly global code static

- #if 0 the following unused global functions:
  - aic79xx_core.c: ahd_print_scb
  - aic79xx_core.c: ahd_suspend
  - aic79xx_core.c: ahd_resume
  - aic79xx_core.c: ahd_dump_scbs
  - aic79xx_osm.c: ahd_softc_comp
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/aic7xxx/aic79xx.h

@@ -964,8 +964,6 @@ int		ahd_read_seeprom(struct ahd_softc *ahd, uint16_t *buf,
 
 int		ahd_write_seeprom(struct ahd_softc *ahd, uint16_t *buf,
 				  u_int start_addr, u_int count);
-int		ahd_wait_seeprom(struct ahd_softc *ahd);
-int		ahd_verify_vpd_cksum(struct vpd_config *vpd);
 int		ahd_verify_cksum(struct seeprom_config *sc);
 int		ahd_acquire_seeprom(struct ahd_softc *ahd);
 void		ahd_release_seeprom(struct ahd_softc *ahd);
@@ -1312,8 +1310,6 @@ struct ahd_pci_identity {
 	char			*name;
 	ahd_device_setup_t	*setup;
 };
-extern struct ahd_pci_identity ahd_pci_ident_table [];
-extern const u_int ahd_num_pci_devs;
 
 /***************************** VL/EISA Declarations ***************************/
 struct aic7770_identity {
@@ -1331,15 +1327,6 @@ extern const int ahd_num_aic7770_devs;
 /*************************** Function Declarations ****************************/
 /******************************************************************************/
 void			ahd_reset_cmds_pending(struct ahd_softc *ahd);
-u_int			ahd_find_busy_tcl(struct ahd_softc *ahd, u_int tcl);
-void			ahd_busy_tcl(struct ahd_softc *ahd,
-				     u_int tcl, u_int busyid);
-static __inline void	ahd_unbusy_tcl(struct ahd_softc *ahd, u_int tcl);
-static __inline void
-ahd_unbusy_tcl(struct ahd_softc *ahd, u_int tcl)
-{
-	ahd_busy_tcl(ahd, tcl, SCB_LIST_NULL);
-}
 
 /***************************** PCI Front End *********************************/
 struct	ahd_pci_identity *ahd_find_pci_device(ahd_dev_softc_t);
@@ -1348,7 +1335,6 @@ int			  ahd_pci_config(struct ahd_softc *,
 int	ahd_pci_test_register_access(struct ahd_softc *);
 
 /************************** SCB and SCB queue management **********************/
-int		ahd_probe_scbs(struct ahd_softc *);
 void		ahd_qinfifo_requeue_tail(struct ahd_softc *ahd,
 					 struct scb *scb);
 int		ahd_match_scb(struct ahd_softc *ahd, struct scb *scb,
@@ -1366,33 +1352,20 @@ int			 ahd_parse_vpddata(struct ahd_softc *ahd,
 int			 ahd_parse_cfgdata(struct ahd_softc *ahd,
 					   struct seeprom_config *sc);
 void			 ahd_intr_enable(struct ahd_softc *ahd, int enable);
-void			 ahd_update_coalescing_values(struct ahd_softc *ahd,
-						      u_int timer,
-						      u_int maxcmds,
-						      u_int mincmds);
-void			 ahd_enable_coalescing(struct ahd_softc *ahd,
-					       int enable);
 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_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);
 void			 ahd_free_scb(struct ahd_softc *ahd, struct scb *scb);
-void			 ahd_alloc_scbs(struct ahd_softc *ahd);
 void			 ahd_free(struct ahd_softc *ahd);
 int			 ahd_reset(struct ahd_softc *ahd, int reinit);
-void			 ahd_shutdown(void *arg);
 int			 ahd_write_flexport(struct ahd_softc *ahd,
 					    u_int addr, u_int value);
 int			 ahd_read_flexport(struct ahd_softc *ahd, u_int addr,
 					   uint8_t *value);
-int			 ahd_wait_flexport(struct ahd_softc *ahd);
 
 /*************************** Interrupt Services *******************************/
-void			ahd_pci_intr(struct ahd_softc *ahd);
-void			ahd_clear_intstat(struct ahd_softc *ahd);
-void			ahd_flush_qoutfifo(struct ahd_softc *ahd);
 void			ahd_run_qoutfifo(struct ahd_softc *ahd);
 #ifdef AHD_TARGET_MODE
 void			ahd_run_tqinfifo(struct ahd_softc *ahd, int paused);
@@ -1401,7 +1374,6 @@ void			ahd_handle_hwerrint(struct ahd_softc *ahd);
 void			ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat);
 void			ahd_handle_scsiint(struct ahd_softc *ahd,
 					   u_int intstat);
-void			ahd_clear_critical_section(struct ahd_softc *ahd);
 
 /***************************** Error Recovery *********************************/
 typedef enum {
@@ -1418,23 +1390,9 @@ int			ahd_search_disc_list(struct ahd_softc *ahd, int target,
 					     char channel, int lun, u_int tag,
 					     int stop_on_first, int remove,
 					     int save_state);
-void			ahd_freeze_devq(struct ahd_softc *ahd, struct scb *scb);
 int			ahd_reset_channel(struct ahd_softc *ahd, char channel,
 					  int initiate_reset);
-int			ahd_abort_scbs(struct ahd_softc *ahd, int target,
-				       char channel, int lun, u_int tag,
-				       role_t role, uint32_t status);
-void			ahd_restart(struct ahd_softc *ahd);
-void			ahd_clear_fifo(struct ahd_softc *ahd, u_int fifo);
-void			ahd_handle_scb_status(struct ahd_softc *ahd,
-					      struct scb *scb);
-void			ahd_handle_scsi_status(struct ahd_softc *ahd,
-					       struct scb *scb);
-void			ahd_calc_residual(struct ahd_softc *ahd,
-					  struct scb *scb);
 /*************************** Utility Functions ********************************/
-struct ahd_phase_table_entry*
-			ahd_lookup_phase_entry(int phase);
 void			ahd_compile_devinfo(struct ahd_devinfo *devinfo,
 					    u_int our_id, u_int target,
 					    u_int lun, char channel,
@@ -1442,14 +1400,6 @@ void			ahd_compile_devinfo(struct ahd_devinfo *devinfo,
 /************************** Transfer Negotiation ******************************/
 void			ahd_find_syncrate(struct ahd_softc *ahd, u_int *period,
 					  u_int *ppr_options, u_int maxsync);
-void			ahd_validate_offset(struct ahd_softc *ahd,
-					    struct ahd_initiator_tinfo *tinfo,
-					    u_int period, u_int *offset,
-					    int wide, role_t role);
-void			ahd_validate_width(struct ahd_softc *ahd,
-					   struct ahd_initiator_tinfo *tinfo,
-					   u_int *bus_width,
-					   role_t role);
 /*
  * Negotiation types.  These are used to qualify if we should renegotiate
  * even if our goal and current transport parameters are identical.
@@ -1520,10 +1470,8 @@ extern uint32_t ahd_debug;
 #define AHD_SHOW_INT_COALESCING	0x10000
 #define AHD_DEBUG_SEQUENCER	0x20000
 #endif
-void			ahd_print_scb(struct scb *scb);
 void			ahd_print_devinfo(struct ahd_softc *ahd,
 					  struct ahd_devinfo *devinfo);
-void			ahd_dump_sglist(struct scb *scb);
 void			ahd_dump_card_state(struct ahd_softc *ahd);
 int			ahd_print_register(ahd_reg_parse_entry_t *table,
 					   u_int num_entries,
@@ -1532,5 +1480,4 @@ int			ahd_print_register(ahd_reg_parse_entry_t *table,
 					   u_int value,
 					   u_int *cur_column,
 					   u_int wrap_point);
-void			ahd_dump_scbs(struct ahd_softc *ahd);
 #endif /* _AIC79XX_H_ */

drivers/scsi/aic7xxx/aic79xx_inline.h

@@ -418,10 +418,6 @@ ahd_targetcmd_offset(struct ahd_softc *ahd, u_int index)
 }
 
 /*********************** Miscelaneous Support Functions ***********************/
-static __inline void	ahd_complete_scb(struct ahd_softc *ahd,
-					 struct scb *scb);
-static __inline void	ahd_update_residual(struct ahd_softc *ahd,
-					    struct scb *scb);
 static __inline struct ahd_initiator_tinfo *
 			ahd_fetch_transinfo(struct ahd_softc *ahd,
 					    char channel, u_int our_id,
@@ -467,32 +463,6 @@ static __inline uint32_t
 			ahd_get_sense_bufaddr(struct ahd_softc *ahd,
 					      struct scb *scb);
 
-static __inline void
-ahd_complete_scb(struct ahd_softc *ahd, struct scb *scb)
-{
-	uint32_t sgptr;
-
-	sgptr = ahd_le32toh(scb->hscb->sgptr);
-	if ((sgptr & SG_STATUS_VALID) != 0)
-		ahd_handle_scb_status(ahd, scb);
-	else
-		ahd_done(ahd, scb);
-}
-
-/*
- * Determine whether the sequencer reported a residual
- * for this SCB/transaction.
- */
-static __inline void
-ahd_update_residual(struct ahd_softc *ahd, struct scb *scb)
-{
-	uint32_t sgptr;
-
-	sgptr = ahd_le32toh(scb->hscb->sgptr);
-	if ((sgptr & SG_STATUS_VALID) != 0)
-		ahd_calc_residual(ahd, scb);
-}
-
 /*
  * Return pointers to the transfer negotiation information
  * for the specified our_id/remote_id pair.

drivers/scsi/aic7xxx/aic79xx_osm.c

@@ -293,7 +293,7 @@ static uint32_t aic79xx_seltime;
  * force all outstanding transactions to be serviced prior to a new
  * transaction.
  */
-uint32_t aic79xx_periodic_otag;
+static uint32_t aic79xx_periodic_otag;
 
 /* Some storage boxes are using an LSI chip which has a bug making it
  * impossible to use aic79xx Rev B chip in 320 speeds.  The following

drivers/scsi/aic7xxx/aic79xx_osm.h

@@ -506,9 +506,6 @@ struct info_str {
 	int pos;
 };
 
-void	ahd_format_transinfo(struct info_str *info,
-			     struct ahd_transinfo *tinfo);
-
 /******************************** Locking *************************************/
 static __inline void
 ahd_lockinit(struct ahd_softc *ahd)
@@ -582,8 +579,6 @@ ahd_unlock(struct ahd_softc *ahd, unsigned long *flags)
 #define PCIXM_STATUS_MAXCRDS	0x1C00	/* Maximum Cumulative Read Size */
 #define PCIXM_STATUS_RCVDSCEM	0x2000	/* Received a Split Comp w/Error msg */
 
-extern struct pci_driver aic79xx_pci_driver;
-
 typedef enum
 {
 	AHD_POWER_STATE_D0,

drivers/scsi/aic7xxx/aic79xx_osm_pci.c

@@ -82,7 +82,7 @@ static struct pci_device_id ahd_linux_pci_id_table[] = {
 
 MODULE_DEVICE_TABLE(pci, ahd_linux_pci_id_table);
 
-struct pci_driver aic79xx_pci_driver = {
+static struct pci_driver aic79xx_pci_driver = {
 	.name		= "aic79xx",
 	.probe		= ahd_linux_pci_dev_probe,
 	.remove		= ahd_linux_pci_dev_remove,

drivers/scsi/aic7xxx/aic79xx_pci.c

@@ -97,7 +97,7 @@ static ahd_device_setup_t ahd_aic7901A_setup;
 static ahd_device_setup_t ahd_aic7902_setup;
 static ahd_device_setup_t ahd_aic790X_setup;
 
-struct ahd_pci_identity ahd_pci_ident_table [] =
+static struct ahd_pci_identity ahd_pci_ident_table [] =
 {
 	/* aic7901 based controllers */
 	{
@@ -201,7 +201,7 @@ struct ahd_pci_identity ahd_pci_ident_table [] =
 	}
 };
 
-const u_int ahd_num_pci_devs = ARRAY_SIZE(ahd_pci_ident_table);
+static const u_int ahd_num_pci_devs = ARRAY_SIZE(ahd_pci_ident_table);
 		
 #define	DEVCONFIG		0x40
 #define		PCIXINITPAT	0x0000E000ul
@@ -245,6 +245,7 @@ static int	ahd_check_extport(struct ahd_softc *ahd);
 static void	ahd_configure_termination(struct ahd_softc *ahd,
 					  u_int adapter_control);
 static void	ahd_pci_split_intr(struct ahd_softc *ahd, u_int intstat);
+static void	ahd_pci_intr(struct ahd_softc *ahd);
 
 struct ahd_pci_identity *
 ahd_find_pci_device(ahd_dev_softc_t pci)
@@ -757,7 +758,7 @@ static const char *pci_status_strings[] =
 	"%s: Address or Write Phase Parity Error Detected in %s.\n"
 };
 
-void
+static void
 ahd_pci_intr(struct ahd_softc *ahd)
 {
 	uint8_t		pci_status[8];

drivers/scsi/aic7xxx/aic79xx_proc.c

@@ -136,7 +136,7 @@ copy_info(struct info_str *info, char *fmt, ...)
 	return (len);
 }
 
-void
+static void
 ahd_format_transinfo(struct info_str *info, struct ahd_transinfo *tinfo)
 {
 	u_int speed;

drivers/scsi/aic7xxx/aic7xxx.h

@@ -1127,8 +1127,6 @@ struct ahc_pci_identity {
 	char			*name;
 	ahc_device_setup_t	*setup;
 };
-extern struct ahc_pci_identity ahc_pci_ident_table[];
-extern const u_int ahc_num_pci_devs;
 
 /***************************** VL/EISA Declarations ***************************/
 struct aic7770_identity {

drivers/scsi/aic7xxx/aic7xxx_osm.c

@@ -328,7 +328,7 @@ static uint32_t aic7xxx_seltime;
  * force all outstanding transactions to be serviced prior to a new
  * transaction.
  */
-uint32_t aic7xxx_periodic_otag;
+static uint32_t aic7xxx_periodic_otag;
 
 /*
  * Module information and settable options.

drivers/scsi/aic7xxx/aic7xxx_osm.h

@@ -533,8 +533,6 @@ ahc_unlock(struct ahc_softc *ahc, unsigned long *flags)
 #define PCIR_SUBVEND_0	0x2c
 #define PCIR_SUBDEV_0	0x2e
 
-extern struct pci_driver aic7xxx_pci_driver;
-
 typedef enum
 {
 	AHC_POWER_STATE_D0,

drivers/scsi/aic7xxx/aic7xxx_osm_pci.c

@@ -130,7 +130,7 @@ static struct pci_device_id ahc_linux_pci_id_table[] = {
 
 MODULE_DEVICE_TABLE(pci, ahc_linux_pci_id_table);
 
-struct pci_driver aic7xxx_pci_driver = {
+static struct pci_driver aic7xxx_pci_driver = {
 	.name		= "aic7xxx",
 	.probe		= ahc_linux_pci_dev_probe,
 	.remove		= ahc_linux_pci_dev_remove,

drivers/scsi/aic7xxx/aic7xxx_pci.c

@@ -168,7 +168,7 @@ static ahc_device_setup_t ahc_aha394XX_setup;
 static ahc_device_setup_t ahc_aha494XX_setup;
 static ahc_device_setup_t ahc_aha398XX_setup;
 
-struct ahc_pci_identity ahc_pci_ident_table [] =
+static struct ahc_pci_identity ahc_pci_ident_table [] =
 {
 	/* aic7850 based controllers */
 	{
@@ -559,7 +559,7 @@ struct ahc_pci_identity ahc_pci_ident_table [] =
 	}
 };
 
-const u_int ahc_num_pci_devs = ARRAY_SIZE(ahc_pci_ident_table);
+static const u_int ahc_num_pci_devs = ARRAY_SIZE(ahc_pci_ident_table);
 		
 #define AHC_394X_SLOT_CHANNEL_A	4
 #define AHC_394X_SLOT_CHANNEL_B	5