[SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it

Performing pci_free_consistent in tasklet had result in a core dump. So
allocated a new memory region for it. Fix for passing proper address
and operation in firmware flash update.

Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com>
Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index e522e59..64168eb 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -341,6 +341,9 @@
 	pm8001_ha->memoryMap.region[CCB_MEM].total_len = PM8001_MAX_CCB *
 		sizeof(struct pm8001_ccb_info);
 
+	/* Memory region for fw flash */
+	pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096;
+
 	for (i = 0; i < USI_MAX_MEMCNT; i++) {
 		if (pm8001_mem_alloc(pm8001_ha->pdev,
 			&pm8001_ha->memoryMap.region[i].virt_ptr,