[PATCH 2/4] scsi: arcmsr: waiting for iop firmware ready before issue get_config command to iop

[Ching Huang]

From: Ching Huang <ching2...@areca.com.tw>

waiting for iop firmware ready before issue get_config command to iop for 
adapter type A and D

Signed-off-by: Ching Huang <ching2...@areca.com.tw>
---

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 9b587ca..dfaea8f 100755
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -2966,6 +2966,7 @@ static bool arcmsr_hbaA_get_config(struct 
AdapterControlBlock *acb)
        char __iomem *iop_firm_version = (char __iomem 
*)(&reg->message_rwbuffer[17]);
        char __iomem *iop_device_map = (char __iomem 
*)(&reg->message_rwbuffer[21]);
        int count;
+       arcmsr_wait_firmware_ready(acb);
        writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
        if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
                printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
@@ -3149,6 +3150,7 @@ static bool arcmsr_hbaD_get_config(struct 
AdapterControlBlock *acb)
                writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
                        acb->pmuD->outbound_doorbell);/*clear interrupt*/
        }
+       arcmsr_wait_firmware_ready(acb);
        /* post "get config" instruction */
        writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, reg->inbound_msgaddr0);
        /* wait message ready */