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path: root/drivers/scsi/aic7xxx
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Diffstat (limited to 'drivers/scsi/aic7xxx')
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_core.c20
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_osm.c33
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_osm.c13
3 files changed, 15 insertions, 51 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index e4a09b93d00c..c912d29b8bdf 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),
@@ -1906,9 +1904,6 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat)
{
struct ahd_devinfo devinfo;
struct scb *scb;
- struct ahd_initiator_tinfo *targ_info;
- struct ahd_tmode_tstate *tstate;
- struct ahd_transinfo *tinfo;
u_int scbid;
/*
@@ -1936,12 +1931,6 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat)
SCB_GET_LUN(scb),
SCB_GET_CHANNEL(ahd, scb),
ROLE_INITIATOR);
- targ_info = ahd_fetch_transinfo(ahd,
- devinfo.channel,
- 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 +2658,6 @@ 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 +2668,7 @@ 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 +4206,11 @@ 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;
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index dc4fe334efd0..d019e3f2bb9b 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -700,9 +700,6 @@ ahd_linux_slave_alloc(struct scsi_device *sdev)
static int
ahd_linux_slave_configure(struct scsi_device *sdev)
{
- struct ahd_softc *ahd;
-
- ahd = *((struct ahd_softc **)sdev->host->hostdata);
if (bootverbose)
sdev_printk(KERN_INFO, sdev, "Slave Configure\n");
@@ -778,16 +775,13 @@ ahd_linux_dev_reset(struct scsi_cmnd *cmd)
struct scb *reset_scb;
u_int cdb_byte;
int retval = SUCCESS;
- int paused;
- int wait;
struct ahd_initiator_tinfo *tinfo;
struct ahd_tmode_tstate *tstate;
unsigned long flags;
DECLARE_COMPLETION_ONSTACK(done);
reset_scb = NULL;
- paused = FALSE;
- wait = FALSE;
+
ahd = *(struct ahd_softc **)cmd->device->host->hostdata;
scmd_printk(KERN_INFO, cmd,
@@ -1793,10 +1787,12 @@ ahd_done(struct ahd_softc *ahd, struct scb *scb)
*/
cmd->sense_buffer[0] = 0;
if (ahd_get_transaction_status(scb) == CAM_REQ_INPROG) {
+#ifdef AHD_REPORT_UNDERFLOWS
uint32_t amount_xferred;
amount_xferred =
ahd_get_transfer_length(scb) - ahd_get_residual(scb);
+#endif
if ((scb->flags & SCB_TRANSMISSION_ERROR) != 0) {
#ifdef AHD_DEBUG
if ((ahd_debug & AHD_SHOW_MISC) != 0) {
@@ -2147,7 +2143,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
u_int last_phase;
u_int saved_scsiid;
u_int cdb_byte;
- int retval;
+ int retval = SUCCESS;
int was_paused;
int paused;
int wait;
@@ -2185,8 +2181,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
* so we must not still own the command.
*/
scmd_printk(KERN_INFO, cmd, "Is not an active device\n");
- retval = SUCCESS;
- goto no_cmd;
+ goto done;
}
/*
@@ -2199,7 +2194,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
if (pending_scb == NULL) {
scmd_printk(KERN_INFO, cmd, "Command not found\n");
- goto no_cmd;
+ goto done;
}
if ((pending_scb->flags & SCB_RECOVERY_SCB) != 0) {
@@ -2207,7 +2202,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
* We can't queue two recovery actions using the same SCB
*/
retval = FAILED;
- goto done;
+ goto done;
}
/*
@@ -2222,7 +2217,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
if ((pending_scb->flags & SCB_ACTIVE) == 0) {
scmd_printk(KERN_INFO, cmd, "Command already completed\n");
- goto no_cmd;
+ goto done;
}
printk("%s: At time of recovery, card was %spaused\n",
@@ -2239,7 +2234,6 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
printk("%s:%d:%d:%d: Cmd aborted from QINFIFO\n",
ahd_name(ahd), cmd->device->channel,
cmd->device->id, (u8)cmd->device->lun);
- retval = SUCCESS;
goto done;
}
@@ -2336,17 +2330,10 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
} else {
scmd_printk(KERN_INFO, cmd, "Unable to deliver message\n");
retval = FAILED;
- goto done;
}
-no_cmd:
- /*
- * Our assumption is that if we don't have the command, no
- * recovery action was required, so we return success. Again,
- * the semantics of the mid-layer recovery engine are not
- * well defined, so this may change in time.
- */
- retval = SUCCESS;
+
+ ahd_restore_modes(ahd, saved_modes);
done:
if (paused)
ahd_unpause(ahd);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index 2edfa0594f18..e7ccb8b80fc1 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -564,8 +564,6 @@ ahc_linux_target_alloc(struct scsi_target *starget)
struct scsi_target **ahc_targp = ahc_linux_target_in_softc(starget);
unsigned short scsirate;
struct ahc_devinfo devinfo;
- struct ahc_initiator_tinfo *tinfo;
- struct ahc_tmode_tstate *tstate;
char channel = starget->channel + 'A';
unsigned int our_id = ahc->our_id;
unsigned int target_offset;
@@ -612,9 +610,6 @@ ahc_linux_target_alloc(struct scsi_target *starget)
spi_max_offset(starget) = 0;
spi_min_period(starget) =
ahc_find_period(ahc, scsirate, maxsync);
-
- tinfo = ahc_fetch_transinfo(ahc, channel, ahc->our_id,
- starget->id, &tstate);
}
ahc_compile_devinfo(&devinfo, our_id, starget->id,
CAM_LUN_WILDCARD, channel,
@@ -671,10 +666,6 @@ ahc_linux_slave_alloc(struct scsi_device *sdev)
static int
ahc_linux_slave_configure(struct scsi_device *sdev)
{
- struct ahc_softc *ahc;
-
- ahc = *((struct ahc_softc **)sdev->host->hostdata);
-
if (bootverbose)
sdev_printk(KERN_INFO, sdev, "Slave Configure\n");
@@ -1601,7 +1592,6 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
case AC_TRANSFER_NEG:
{
struct scsi_target *starget;
- struct ahc_linux_target *targ;
struct ahc_initiator_tinfo *tinfo;
struct ahc_tmode_tstate *tstate;
int target_offset;
@@ -1635,7 +1625,6 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
starget = ahc->platform_data->starget[target_offset];
if (starget == NULL)
break;
- targ = scsi_transport_target_data(starget);
target_ppr_options =
(spi_dt(starget) ? MSG_EXT_PPR_DT_REQ : 0)
@@ -1722,10 +1711,12 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb)
*/
cmd->sense_buffer[0] = 0;
if (ahc_get_transaction_status(scb) == CAM_REQ_INPROG) {
+#ifdef AHC_REPORT_UNDERFLOWS
uint32_t amount_xferred;
amount_xferred =
ahc_get_transfer_length(scb) - ahc_get_residual(scb);
+#endif
if ((scb->flags & SCB_TRANSMISSION_ERROR) != 0) {
#ifdef AHC_DEBUG
if ((ahc_debug & AHC_SHOW_MISC) != 0) {