scsi: aic7xxx: aic79xx_core: Remove a bunch of unused variables

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic79xx_core.c: In function ‘ahd_dump_sglist’:
 drivers/scsi/aic7xxx/aic79xx_core.c:1738:14: warning: variable ‘len’ set but not used [-Wunused-but-set-variable]
 1738 | uint32_t len;
 | ^~~
 drivers/scsi/aic7xxx/aic79xx_core.c: In function ‘ahd_handle_seqint’:
 drivers/scsi/aic7xxx/aic79xx_core.c:1911:26: warning: variable ‘tinfo’ set but not used [-Wunused-but-set-variable]
 1911 | struct ahd_transinfo *tinfo;
 | ^~~~~
 drivers/scsi/aic7xxx/aic79xx_core.c: In function ‘ahd_handle_transmission_error’:
 drivers/scsi/aic7xxx/aic79xx_core.c:2672:8: warning: variable ‘lqistat2’ set but not used [-Wunused-but-set-variable]
 2672 | u_int lqistat2;
 | ^~~~~~~~
 drivers/scsi/aic7xxx/aic79xx_core.c: In function ‘ahd_update_pending_scbs’:
 drivers/scsi/aic7xxx/aic79xx_core.c:4221:31: warning: variable ‘tinfo’ set but not used [-Wunused-but-set-variable]
 4221 | struct ahd_initiator_tinfo *tinfo;
 | ^~~~~

Link: https://lore.kernel.org/r/20200721164148.2617584-3-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index e4a09b93d00cec7002fb5ca279ed87b4efe9ec73..243e763085a612707e9afba7ad647315dca04dd7 100644 (file)
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -1735,10 +1735,8 @@ ahd_dump_sglist(struct scb *scb)
                        sg_list = (struct ahd_dma64_seg*)scb->sg_list;
                        for (i = 0; i < scb->sg_count; i++) {
                                uint64_t addr;
-                               uint32_t len;
 
                                addr = ahd_le64toh(sg_list[i].addr);
-                               len = ahd_le32toh(sg_list[i].len);
                                printk("sg[%d] - Addr 0x%x%x : Length %d%s\n",
                                       i,
                                       (uint32_t)((addr >> 32) & 0xFFFFFFFF),
@@ -1908,7 +1906,6 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat)
                        struct  scb *scb;
                        struct  ahd_initiator_tinfo *targ_info;
                        struct  ahd_tmode_tstate *tstate;
-                       struct  ahd_transinfo *tinfo;
                        u_int   scbid;
 
                        /*
@@ -1941,7 +1938,6 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat)
                                                        devinfo.our_scsiid,
                                                        devinfo.target,
                                                        &tstate);
-                       tinfo = &targ_info->curr;
                        ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
                                      AHD_TRANS_ACTIVE, /*paused*/TRUE);
                        ahd_set_syncrate(ahd, &devinfo, /*period*/0,
@@ -2669,7 +2665,6 @@ ahd_handle_transmission_error(struct ahd_softc *ahd)
        struct  scb *scb;
        u_int   scbid;
        u_int   lqistat1;
-       u_int   lqistat2;
        u_int   msg_out;
        u_int   curphase;
        u_int   lastphase;
@@ -2680,7 +2675,7 @@ ahd_handle_transmission_error(struct ahd_softc *ahd)
        scb = NULL;
        ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
        lqistat1 = ahd_inb(ahd, LQISTAT1) & ~(LQIPHASE_LQ|LQIPHASE_NLQ);
-       lqistat2 = ahd_inb(ahd, LQISTAT2);
+       ahd_inb(ahd, LQISTAT2);
        if ((lqistat1 & (LQICRCI_NLQ|LQICRCI_LQ)) == 0
         && (ahd->bugs & AHD_NLQICRC_DELAYED_BUG) != 0) {
                u_int lqistate;
@@ -4218,13 +4213,11 @@ ahd_update_pending_scbs(struct ahd_softc *ahd)
        pending_scb_count = 0;
        LIST_FOREACH(pending_scb, &ahd->pending_scbs, pending_links) {
                struct ahd_devinfo devinfo;
-               struct ahd_initiator_tinfo *tinfo;
                struct ahd_tmode_tstate *tstate;
 
                ahd_scb_devinfo(ahd, &devinfo, pending_scb);
-               tinfo = ahd_fetch_transinfo(ahd, devinfo.channel,
-                                           devinfo.our_scsiid,
-                                           devinfo.target, &tstate);
+               ahd_fetch_transinfo(ahd, devinfo.channel, devinfo.our_scsiid,
+                                   devinfo.target, &tstate);
                if ((tstate->auto_negotiate & devinfo.target_mask) == 0
                 && (pending_scb->flags & SCB_AUTO_NEGOTIATE) != 0) {
                        pending_scb->flags &= ~SCB_AUTO_NEGOTIATE;