[SCSI] hpsa: factor out hpsa_enter_performant_mode

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/hpsa.c

@@ -3808,36 +3808,16 @@ static void  calc_bucket_map(int bucket[], int num_buckets,
 	}
 }
 
-static __devinit void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)
+static __devinit void hpsa_enter_performant_mode(struct ctlr_info *h)
 {
-	u32 trans_support;
+	int i;
+	unsigned long register_value;
+	int bft[8] = {5, 6, 8, 10, 12, 20, 28, 35}; /* for scatter/gathers */
 	/*  5 = 1 s/g entry or 4k
 	 *  6 = 2 s/g entry or 8k
 	 *  8 = 4 s/g entry or 16k
 	 * 10 = 6 s/g entry or 24k
 	 */
-	int bft[8] = {5, 6, 8, 10, 12, 20, 28, 35}; /* for scatter/gathers */
-	int i = 0;
-	unsigned long register_value;
-
-	trans_support = readl(&(h->cfgtable->TransportSupport));
-	if (!(trans_support & PERFORMANT_MODE))
-		return;
-
-	h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
-	h->max_sg_entries = 32;
-	/* Performant mode ring buffer and supporting data structures */
-	h->reply_pool_size = h->max_commands * sizeof(u64);
-	h->reply_pool = pci_alloc_consistent(h->pdev, h->reply_pool_size,
-				&(h->reply_pool_dhandle));
-
-	/* Need a block fetch table for performant mode */
-	h->blockFetchTable = kmalloc(((h->max_sg_entries+1) *
-				sizeof(u32)), GFP_KERNEL);
-
-	if ((h->reply_pool == NULL)
-		|| (h->blockFetchTable == NULL))
-		goto clean_up;
 
 	h->reply_pool_wraparound = 1; /* spec: init to 1 */
 
@@ -3867,6 +3847,32 @@ static __devinit void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)
 					" performant mode\n");
 		return;
 	}
+}
+
+static __devinit void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)
+{
+	u32 trans_support;
+
+	trans_support = readl(&(h->cfgtable->TransportSupport));
+	if (!(trans_support & PERFORMANT_MODE))
+		return;
+
+	h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
+	h->max_sg_entries = 32;
+	/* Performant mode ring buffer and supporting data structures */
+	h->reply_pool_size = h->max_commands * sizeof(u64);
+	h->reply_pool = pci_alloc_consistent(h->pdev, h->reply_pool_size,
+				&(h->reply_pool_dhandle));
+
+	/* Need a block fetch table for performant mode */
+	h->blockFetchTable = kmalloc(((h->max_sg_entries+1) *
+				sizeof(u32)), GFP_KERNEL);
+
+	if ((h->reply_pool == NULL)
+		|| (h->blockFetchTable == NULL))
+		goto clean_up;
+
+	hpsa_enter_performant_mode(h);
 
 	/* Change the access methods to the performant access methods */
 	h->access = SA5_performant_access;