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scsi: ncr53c8xx: Remove unused code

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Link: https://lore.kernel.org/r/20210820095405.12801-4-hare@suse.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2021-08-20 11:54:05 +02:00 committed by Martin K. Petersen
parent f434e4984f
commit 1c22e32754
1 changed files with 0 additions and 163 deletions
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163
drivers/scsi/ncr53c8xx.c
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@ -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.