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scsi: dc395x: Remove a few unused variables 

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

 drivers/scsi/dc395x.c: In function ‘data_io_transfer’:
 drivers/scsi/dc395x.c:2400:16: warning: variable ‘data2’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/dc395x.c:2400:6: warning: variable ‘data’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/dc395x.c: In function ‘reselect’:
 drivers/scsi/dc395x.c:2992:5: warning: variable ‘arblostflag’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/dc395x.c: In function ‘doing_srb_done’:
 drivers/scsi/dc395x.c:3393:28: warning: variable ‘dir’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20201102142359.561122-18-lee.jones@linaro.org
Cc: Oliver Neukum <oliver@neukum.org>
Cc: Ali Akcaagac <aliakc@web.de>
Cc: Jamie Lenehan <lenehan@twibble.org>
Cc: "C.L. Huang" <ching@tekram.com.tw>
Cc: Erich Chen <erich@tekram.com.tw>
Cc: Kurt Garloff <garloff@suse.de>
Cc: dc395x@twibble.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Lee Jones 2020-11-02 14:23:57 +00:00 committed by Martin K. Petersen
parent 90ab11234d
commit 67056d90f1
1 changed files with 4 additions and 9 deletions
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13
drivers/scsi/dc395x.c
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@ -2397,7 +2397,6 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
}
#endif /* DC395x_LASTPIO */
else { /* xfer pad */
u8 data = 0, data2 = 0;
if (srb->sg_count) {
srb->adapter_status = H_OVER_UNDER_RUN;
srb->status |= OVER_RUN;
@ -2412,8 +2411,8 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
DC395x_write8(acb, TRM_S1040_SCSI_CONFIG2,
CFG2_WIDEFIFO);
if (io_dir & DMACMD_DIR) {
data = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
data2 = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
} else {
/* Danger, Robinson: If you find KGs
* scattered over the wide disk, the driver
@ -2427,7 +2426,7 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
/* Danger, Robinson: If you find a collection of Ks on your disk
* something broke :-( */
if (io_dir & DMACMD_DIR)
data = DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
DC395x_read8(acb, TRM_S1040_SCSI_FIFO);
else
DC395x_write8(acb, TRM_S1040_SCSI_FIFO, 'K');
}
@ -2989,7 +2988,6 @@ static void reselect(struct AdapterCtlBlk *acb)
struct ScsiReqBlk *srb = NULL;
u16 rsel_tar_lun_id;
u8 id, lun;
u8 arblostflag = 0;
dprintkdbg(DBG_0, "reselect: acb=%p\n", acb);
clear_fifo(acb, "reselect");
@ -3011,7 +3009,6 @@ static void reselect(struct AdapterCtlBlk *acb)
srb->cmd, dcb->target_id,
dcb->target_lun, rsel_tar_lun_id,
DC395x_read16(acb, TRM_S1040_SCSI_STATUS));
arblostflag = 1;
/*srb->state |= SRB_DISCONNECT; */
srb->state = SRB_READY;
@ -3042,7 +3039,7 @@ static void reselect(struct AdapterCtlBlk *acb)
"disconnection? <%02i-%i>\n",
dcb->target_id, dcb->target_lun);
if (dcb->sync_mode & EN_TAG_QUEUEING /*&& !arblostflag */) {
if (dcb->sync_mode & EN_TAG_QUEUEING) {
srb = acb->tmp_srb;
dcb->active_srb = srb;
} else {
@ -3390,11 +3387,9 @@ static void doing_srb_done(struct AdapterCtlBlk *acb, u8 did_flag,
struct scsi_cmnd *p;
list_for_each_entry_safe(srb, tmp, &dcb->srb_going_list, list) {
enum dma_data_direction dir;
int result;
p = srb->cmd;
dir = p->sc_data_direction;
result = MK_RES(0, did_flag, 0, 0);
printk("G:%p(%02i-%i) ", p,
p->device->id, (u8)p->device->lun);