[SCSI] hpsa: factor out hpsa_enable_scsi_prefetch

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

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index f2a9af64dfaaf57201171510592861c72f6dc15e..62f9784ecf8f203a7e79f1b5cb203683f22e1a5a 100644 (file)
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3384,6 +3384,18 @@ static inline bool hpsa_CISS_signature_present(struct ctlr_info *h)
        return true;
 }
 
+/* Need to enable prefetch in the SCSI core for 6400 in x86 */
+static inline void hpsa_enable_scsi_prefetch(struct ctlr_info *h)
+{
+#ifdef CONFIG_X86
+       u32 prefetch;
+
+       prefetch = readl(&(h->cfgtable->SCSI_Prefetch));
+       prefetch |= 0x100;
+       writel(prefetch, &(h->cfgtable->SCSI_Prefetch));
+#endif
+}
+
 static int __devinit hpsa_pci_init(struct ctlr_info *h)
 {
        int i, prod_index, err;
@@ -3431,15 +3443,7 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
                err = -ENODEV;
                goto err_out_free_res;
        }
-#ifdef CONFIG_X86
-       {
-               /* Need to enable prefetch in the SCSI core for 6400 in x86 */
-               u32 prefetch;
-               prefetch = readl(&(h->cfgtable->SCSI_Prefetch));
-               prefetch |= 0x100;
-               writel(prefetch, &(h->cfgtable->SCSI_Prefetch));
-       }
-#endif
+       hpsa_enable_scsi_prefetch(h);
 
        /* Disabling DMA prefetch for the P600
         * An ASIC bug may result in a prefetch beyond