[PATCH 3/4] scsi: arcmsr: simplify arcmsr_hbaE_get_config function

[Ching Huang]

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

simplify arcmsr_hbaE_get_config function

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 dfaea8f..b7a56e8 100755
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -3205,16 +3205,14 @@ static bool arcmsr_hbaE_get_config(struct 
AdapterControlBlock *pACB)
        struct MessageUnit_E __iomem *reg = pACB->pmuE;
        char __iomem *iop_firm_model = (char __iomem 
*)(&reg->msgcode_rwbuffer[15]);
        char __iomem *iop_firm_version = (char __iomem 
*)(&reg->msgcode_rwbuffer[17]);
-       uint32_t intmask_org, Index, firmware_state = 0, read_doorbell;
+       uint32_t intmask_org;
        int count;
 
        /* disable all outbound interrupt */
        intmask_org = readl(&reg->host_int_mask); /* disable outbound message0 
int */
        writel(intmask_org | ARCMSR_HBEMU_ALL_INTMASKENABLE, 
&reg->host_int_mask);
        /* wait firmware ready */
-       do {
-               firmware_state = readl(&reg->outbound_msgaddr1);
-       } while ((firmware_state & ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK) == 0);
+       arcmsr_wait_firmware_ready(pACB);
        mdelay(20);
        /* post "get config" instruction */
        writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
@@ -3222,17 +3220,7 @@ static bool arcmsr_hbaE_get_config(struct 
AdapterControlBlock *pACB)
        pACB->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
        writel(pACB->out_doorbell, &reg->iobound_doorbell);
        /* wait message ready */
-       for (Index = 0; Index < 2000; Index++) {
-               read_doorbell = readl(&reg->iobound_doorbell);
-               if ((read_doorbell ^ pACB->in_doorbell) & 
ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE) {
-                       writel(0, &reg->host_int_status);
-                       pACB->in_doorbell = read_doorbell;
-                       break;
-               }
-               mdelay(1);
-       } /*max 1 seconds*/
-
-       if (Index >= 2000) {
+       if (!arcmsr_hbaE_wait_msgint_ready(pACB)) {
                pr_notice("arcmsr%d: wait get adapter firmware "
                        "miscellaneous data timeout\n", pACB->host->host_no);
                return false;