[SCSI] qla2xxx: Add qla82xx_rom_unlock() function.

Encapsulate the unlocking of the ROM lock in a function for better
code readability.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/qla2xxx/qla_gbl.h

@@ -552,7 +552,6 @@ extern int qla82xx_wr_32(struct qla_hw_data *, ulong, u32);
 extern int qla82xx_rd_32(struct qla_hw_data *, ulong);
 extern int qla82xx_rdmem(struct qla_hw_data *, u64, void *, int);
 extern int qla82xx_wrmem(struct qla_hw_data *, u64, void *, int);
-extern void qla82xx_rom_unlock(struct qla_hw_data *);
 
 /* ISP 8021 IDC */
 extern void qla82xx_clear_drv_active(struct qla_hw_data *);

drivers/scsi/qla2xxx/qla_nx.c

@@ -844,6 +844,12 @@ qla82xx_rom_lock(struct qla_hw_data *ha)
 	return 0;
 }
 
+static void
+qla82xx_rom_unlock(struct qla_hw_data *ha)
+{
+	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+}
+
 static int
 qla82xx_wait_rom_busy(struct qla_hw_data *ha)
 {
@@ -924,7 +930,7 @@ qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
 		return -1;
 	}
 	ret = qla82xx_do_rom_fast_read(ha, addr, valp);
-	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	qla82xx_rom_unlock(ha);
 	return ret;
 }
 
@@ -1056,7 +1062,7 @@ qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr,
 	ret = qla82xx_flash_wait_write_finish(ha);
 
 done_write:
-	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	qla82xx_rom_unlock(ha);
 	return ret;
 }
 
@@ -1144,7 +1150,7 @@ qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
 	qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val);
 	msleep(20);
 
-	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	qla82xx_rom_unlock(ha);
 
 	/* Read the signature value from the flash.
 	 * Offset 0: Contain signature (0xcafecafe)
@@ -3010,7 +3016,7 @@ qla82xx_unprotect_flash(struct qla_hw_data *ha)
 		qla_printk(KERN_WARNING, ha, "Write disable failed\n");
 
 done_unprotect:
-	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	qla82xx_rom_unlock(ha);
 	return ret;
 }
 
@@ -3039,7 +3045,7 @@ qla82xx_protect_flash(struct qla_hw_data *ha)
 	if (qla82xx_write_disable_flash(ha) != 0)
 		qla_printk(KERN_WARNING, ha, "Write disable failed\n");
 done_protect:
-	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	qla82xx_rom_unlock(ha);
 	return ret;
 }
 
@@ -3067,7 +3073,7 @@ qla82xx_erase_sector(struct qla_hw_data *ha, int addr)
 	}
 	ret = qla82xx_flash_wait_write_finish(ha);
 done:
-	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	qla82xx_rom_unlock(ha);
 	return ret;
 }
 
@@ -3247,7 +3253,7 @@ void qla82xx_rom_lock_recovery(struct qla_hw_data *ha)
 	 * else died while holding it.
 	 * In either case, unlock.
 	 */
-	qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+	qla82xx_rom_unlock(ha);
 }
 
 /*