Merge branch 'parisc-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...
[cascardo/linux.git] / drivers / scsi / NCR5380.c
index 43908bb..db27390 100644 (file)
@@ -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);