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scsi: arcmsr: simplify arcmsr_hbaC_get_config function 

Simplify arcmsr_hbaC_get_config function.

Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ching Huang 2017-12-12 18:42:29 +08:00 committed by Martin K. Petersen
parent 2f7005debe
commit df9f0ee9d5
1 changed files with 3 additions and 12 deletions
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15
drivers/scsi/arcmsr/arcmsr_hba.c
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@ -3082,7 +3082,7 @@ static bool arcmsr_hbaB_get_config(struct AdapterControlBlock *acb)
static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB) 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; struct MessageUnit_C __iomem *reg = pACB->pmuC;
char *acb_firm_model = pACB->firm_model; char *acb_firm_model = pACB->firm_model;
char *acb_firm_version = pACB->firm_version; char *acb_firm_version = pACB->firm_version;
@ -3093,21 +3093,12 @@ static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB)
intmask_org = readl(&reg->host_int_mask); /* disable outbound message0 int */ intmask_org = readl(&reg->host_int_mask); /* disable outbound message0 int */
writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, &reg->host_int_mask); writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, &reg->host_int_mask);
/* wait firmware ready */ /* wait firmware ready */
do { arcmsr_wait_firmware_ready(pACB);
firmware_state = readl(&reg->outbound_msgaddr1);
} while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
/* post "get config" instruction */ /* post "get config" instruction */
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0); writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell); writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
/* wait message ready */ /* wait message ready */
for (Index = 0; Index < 2000; Index++) { if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
if (readl(&reg->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &reg->outbound_doorbell_clear);/*clear interrupt*/
break;
}
udelay(10);
} /*max 1 seconds*/
if (Index >= 2000) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", pACB->host->host_no); miscellaneous data' timeout \n", pACB->host->host_no);
return false; return false;