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path: root/drivers/scsi/NCR5380.c
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Diffstat (limited to 'drivers/scsi/NCR5380.c')
-rw-r--r--drivers/scsi/NCR5380.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 43908bbb3b23..db2739079cbb 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;
@@ -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);