Question: Can 'ahd_inb(ahd, LQISTAT2);' also be safely removed?
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;
| ^~~~~
Cc: Hannes Reinecke <hare@xxxxxxxx>
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/scsi/aic7xxx/aic79xx_core.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index e4a09b93d00ce..243e763085a61 100644
--- 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;
--
2.25.1
