summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/NCR5380.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/NCR5380.c')
-rw-r--r--drivers/scsi/NCR5380.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 43908bbb3b23..790babc5ef66 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -230,13 +230,6 @@ static int NCR5380_poll_politely2(struct Scsi_Host *instance,
return -ETIMEDOUT;
}
-static inline int NCR5380_poll_politely(struct Scsi_Host *instance,
- int reg, int bit, int val, int wait)
-{
- return NCR5380_poll_politely2(instance, reg, bit, val,
- reg, bit, val, wait);
-}
-
#if NDEBUG
static struct {
unsigned char mask;
@@ -360,7 +353,7 @@ static void NCR5380_print_phase(struct Scsi_Host *instance)
#endif
-static int probe_irq __initdata;
+static int probe_irq;
/**
* probe_intr - helper for IRQ autoprobe
@@ -372,7 +365,7 @@ static int probe_irq __initdata;
* used by the IRQ probe code.
*/
-static irqreturn_t __init probe_intr(int irq, void *dev_id)
+static irqreturn_t probe_intr(int irq, void *dev_id)
{
probe_irq = irq;
return IRQ_HANDLED;
@@ -387,7 +380,7 @@ static irqreturn_t __init probe_intr(int irq, void *dev_id)
* and then looking to see what interrupt actually turned up.
*/
-static int __init __maybe_unused NCR5380_probe_irq(struct Scsi_Host *instance,
+static int __maybe_unused NCR5380_probe_irq(struct Scsi_Host *instance,
int possible)
{
struct NCR5380_hostdata *hostdata = shost_priv(instance);
@@ -1854,11 +1847,11 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance)
/* XXX - need to source or sink data here, as appropriate */
}
} else {
- /* Break up transfer into 3 ms chunks,
- * presuming 6 accesses per handshake.
+ /* Transfer a small chunk so that the
+ * irq mode lock is not held too long.
*/
- transfersize = min((unsigned long)cmd->SCp.this_residual,
- hostdata->accesses_per_ms / 2);
+ transfersize = min(cmd->SCp.this_residual,
+ NCR5380_PIO_CHUNK_SIZE);
len = transfersize;
NCR5380_transfer_pio(instance, &phase, &len,
(unsigned char **)&cmd->SCp.ptr);
OpenPOWER on IntegriCloud