[PATCH 1/4] scsi: arcmsr: simplify arcmsr_hbaC_get_config function
From: Ching Huang
Date: Tue Dec 12 2017 - 05:42:41 EST
From: Ching Huang <ching2048@xxxxxxxxxxxx>
simplify arcmsr_hbaC_get_config function
Signed-off-by: Ching Huang <ching2048@xxxxxxxxxxxx>
---
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index e4258b6..9b587ca 100755
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -3082,7 +3082,7 @@ static bool arcmsr_hbaB_get_config(struct AdapterControlBlock *acb)
static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB)
{
- uint32_t intmask_org, Index, firmware_state = 0;
+ uint32_t intmask_org;
struct MessageUnit_C __iomem *reg = pACB->pmuC;
char *acb_firm_model = pACB->firm_model;
char *acb_firm_version = pACB->firm_version;
@@ -3093,21 +3093,12 @@ static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB)
intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */
writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask);
/* wait firmware ready */
- do {
- firmware_state = readl(®->outbound_msgaddr1);
- } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
+ arcmsr_wait_firmware_ready(pACB);
/* post "get config" instruction */
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
/* wait message ready */
- for (Index = 0; Index < 2000; Index++) {
- if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
- writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/
- break;
- }
- udelay(10);
- } /*max 1 seconds*/
- if (Index >= 2000) {
+ if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", pACB->host->host_no);
return false;