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Subject[RESEND 17/19] scsi: dc395x: Remove a few unused variables
Date
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]

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>
---
drivers/scsi/dc395x.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
index fa16894d8758c..f838fe8d74578 100644
--- a/drivers/scsi/dc395x.c
+++ b/drivers/scsi/dc395x.c
@@ -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);
--
2.25.1
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