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| author | Ching Huang <ching2048@areca.com.tw> | 2017-12-12 18:50:51 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-12-20 21:11:50 -0500 |
| commit | 22c4ae5b9906afcaea6184092a78b9164dfebcae (patch) | |
| tree | 7ab109e66f735e07f0d95243bb74cafbf692ccea /drivers/scsi/arcmsr | |
| parent | b6b3084acb58cced555cd6710a345f0080c31737 (diff) | |
| download | lwn-22c4ae5b9906afcaea6184092a78b9164dfebcae.tar.gz lwn-22c4ae5b9906afcaea6184092a78b9164dfebcae.zip | |
scsi: arcmsr: simplify arcmsr_hbaE_get_config function
Simplify arcmsr_hbaE_get_config function.
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/arcmsr')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index dfaea8f4d425..b7a56e8e5f6c 100644 --- 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 *)(®->msgcode_rwbuffer[15]); char __iomem *iop_firm_version = (char __iomem *)(®->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(®->host_int_mask); /* disable outbound message0 int */ writel(intmask_org | ARCMSR_HBEMU_ALL_INTMASKENABLE, ®->host_int_mask); /* wait firmware ready */ - do { - firmware_state = readl(®->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, ®->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, ®->iobound_doorbell); /* wait message ready */ - for (Index = 0; Index < 2000; Index++) { - read_doorbell = readl(®->iobound_doorbell); - if ((read_doorbell ^ pACB->in_doorbell) & ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE) { - writel(0, ®->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; |