From 1c22e327545c3eb4f43db5099fe8f134798d98a9 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Fri, 20 Aug 2021 11:54:05 +0200 Subject: [PATCH] scsi: ncr53c8xx: Remove unused code Link: https://lore.kernel.org/r/20210820095405.12801-4-hare@suse.de Reviewed-by: Christoph Hellwig Signed-off-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/ncr53c8xx.c | 163 --------------------------------------- 1 file changed, 163 deletions(-) diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index 37ce4b3102ef..7a4f5d4dd670 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -1453,11 +1453,6 @@ struct head { #define xerr_status phys.xerr_st #define nego_status phys.nego_st -#if 0 -#define sync_status phys.sync_st -#define wide_status phys.wide_st -#endif - /*========================================================== ** ** Declaration of structs: Data structure block @@ -1980,9 +1975,6 @@ static inline char *ncr_name (struct ncb *np) #define RELOC_SOFTC 0x40000000 #define RELOC_LABEL 0x50000000 #define RELOC_REGISTER 0x60000000 -#if 0 -#define RELOC_KVAR 0x70000000 -#endif #define RELOC_LABELH 0x80000000 #define RELOC_MASK 0xf0000000 @@ -1991,21 +1983,7 @@ static inline char *ncr_name (struct ncb *np) #define PADDRH(label) (RELOC_LABELH | offsetof(struct scripth, label)) #define RADDR(label) (RELOC_REGISTER | REG(label)) #define FADDR(label,ofs)(RELOC_REGISTER | ((REG(label))+(ofs))) -#if 0 -#define KVAR(which) (RELOC_KVAR | (which)) -#endif -#if 0 -#define SCRIPT_KVAR_JIFFIES (0) -#define SCRIPT_KVAR_FIRST SCRIPT_KVAR_JIFFIES -#define SCRIPT_KVAR_LAST SCRIPT_KVAR_JIFFIES -/* - * Kernel variables referenced in the scripts. - * THESE MUST ALL BE ALIGNED TO A 4-BYTE BOUNDARY. - */ -static void *script_kvars[] __initdata = - { (void *)&jiffies }; -#endif static struct script script0 __initdata = { /*--------------------------< START >-----------------------*/ { @@ -2162,11 +2140,6 @@ static struct script script0 __initdata = { SCR_COPY (1), RADDR (scratcha), NADDR (msgout), -#if 0 - SCR_COPY (1), - RADDR (scratcha), - NADDR (msgin), -#endif /* ** Anticipate the COMMAND phase. ** This is the normal case for initial selection. @@ -4378,10 +4351,6 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd) cp->parity_status = 0; cp->xerr_status = XE_OK; -#if 0 - cp->sync_status = tp->sval; - cp->wide_status = tp->wval; -#endif /*---------------------------------------------------- ** @@ -4580,89 +4549,6 @@ static int ncr_reset_bus (struct ncb *np) return SUCCESS; } -#if 0 /* unused and broken.. */ -/*========================================================== -** -** -** Abort an SCSI command. -** This is called from the generic SCSI driver. -** -** -**========================================================== -*/ -static int ncr_abort_command (struct ncb *np, struct scsi_cmnd *cmd) -{ -/* struct scsi_device *device = cmd->device; */ - struct ccb *cp; - int found; - int retv; - -/* - * First, look for the scsi command in the waiting list - */ - if (remove_from_waiting_list(np, cmd)) { - set_host_byte(cmd, DID_ABORT); - ncr_queue_done_cmd(np, cmd); - return SCSI_ABORT_SUCCESS; - } - -/* - * Then, look in the wakeup list - */ - for (found=0, cp=np->ccb; cp; cp=cp->link_ccb) { - /* - ** look for the ccb of this command. - */ - if (cp->host_status == HS_IDLE) continue; - if (cp->cmd == cmd) { - found = 1; - break; - } - } - - if (!found) { - return SCSI_ABORT_NOT_RUNNING; - } - - if (np->settle_time) { - return SCSI_ABORT_SNOOZE; - } - - /* - ** If the CCB is active, patch schedule jumps for the - ** script to abort the command. - */ - - switch(cp->host_status) { - case HS_BUSY: - case HS_NEGOTIATE: - printk ("%s: abort ccb=%p (cancel)\n", ncr_name (np), cp); - cp->start.schedule.l_paddr = - cpu_to_scr(NCB_SCRIPTH_PHYS (np, cancel)); - retv = SCSI_ABORT_PENDING; - break; - case HS_DISCONNECT: - cp->restart.schedule.l_paddr = - cpu_to_scr(NCB_SCRIPTH_PHYS (np, abort)); - retv = SCSI_ABORT_PENDING; - break; - default: - retv = SCSI_ABORT_NOT_RUNNING; - break; - - } - - /* - ** If there are no requests, the script - ** processor will sleep on SEL_WAIT_RESEL. - ** Let's wake it up, since it may have to work. - */ - OUTB (nc_istat, SIGP); - - return retv; -} -#endif - static void ncr_detach(struct ncb *np) { struct ccb *cp; @@ -5421,27 +5307,6 @@ static void ncr_getsync(struct ncb *np, u_char sfac, u_char *fakp, u_char *scntl */ fak = (kpc - 1) / div_10M[div] + 1; -#if 0 /* This optimization does not seem very useful */ - - per = (fak * div_10M[div]) / clk; - - /* - ** Why not to try the immediate lower divisor and to choose - ** the one that allows the fastest output speed ? - ** We don't want input speed too much greater than output speed. - */ - if (div >= 1 && fak < 8) { - u_long fak2, per2; - fak2 = (kpc - 1) / div_10M[div-1] + 1; - per2 = (fak2 * div_10M[div-1]) / clk; - if (per2 < per && fak2 <= 8) { - fak = fak2; - per = per2; - --div; - } - } -#endif - if (fak < 4) fak = 4; /* Should never happen, too bad ... */ /* @@ -5479,10 +5344,6 @@ static void ncr_set_sync_wide_status (struct ncb *np, u_char target) for (cp = np->ccb; cp; cp = cp->link_ccb) { if (!cp->cmd) continue; if (scmd_id(cp->cmd) != target) continue; -#if 0 - cp->sync_status = tp->sval; - cp->wide_status = tp->wval; -#endif cp->phys.select.sel_scntl3 = tp->wval; cp->phys.select.sel_sxfer = tp->sval; } @@ -8104,30 +7965,6 @@ static int ncr53c8xx_bus_reset(struct scsi_cmnd *cmd) return sts; } -#if 0 /* unused and broken */ -static int ncr53c8xx_abort(struct scsi_cmnd *cmd) -{ - struct ncb *np = ((struct host_data *) cmd->device->host->hostdata)->ncb; - int sts; - unsigned long flags; - struct scsi_cmnd *done_list; - - printk("ncr53c8xx_abort\n"); - - NCR_LOCK_NCB(np, flags); - - sts = ncr_abort_command(np, cmd); -out: - done_list = np->done_list; - np->done_list = NULL; - NCR_UNLOCK_NCB(np, flags); - - ncr_flush_done_cmds(done_list); - - return sts; -} -#endif - /* ** Scsi command waiting list management.