From: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
hpsa: factor out hpsa_enable_scsi_prefetch
Signed-off-by: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
---
drivers/scsi/hpsa.c | 22 +++++++++++++---------
1 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 35b47ba..84c0294 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3392,6 +3392,18 @@ 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;
@@ -3439,15 +3451,7 @@ 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
--
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