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scsi: megaraid_sas: Print firmware interrupt status

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Add a print to dump the interrupt status in system log for debugging.

Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Shivasharan S 2019-05-07 10:05:45 -07:00 committed by Martin K. Petersen
parent b6661342f2
commit 223d5818e7
1 changed files with 7 additions and 6 deletions
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13
drivers/scsi/megaraid/megaraid_sas_fusion.c
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@ -202,7 +202,8 @@ megasas_enable_intr_fusion(struct megasas_instance *instance)
writel(~MFI_FUSION_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask);
/* Dummy readl to force pci flush */
readl(&regs->outbound_intr_mask);
dev_info(&instance->pdev->dev, "%s is called outbound_intr_mask:0x%08x\n",
__func__, readl(&regs->outbound_intr_mask));
}
/**
@ -213,14 +214,14 @@ void
megasas_disable_intr_fusion(struct megasas_instance *instance)
{
u32 mask = 0xFFFFFFFF;
u32 status;
struct megasas_register_set __iomem *regs;
regs = instance->reg_set;
instance->mask_interrupts = 1;
writel(mask, &regs->outbound_intr_mask);
/* Dummy readl to force pci flush */
status = readl(&regs->outbound_intr_mask);
dev_info(&instance->pdev->dev, "%s is called outbound_intr_mask:0x%08x\n",
__func__, readl(&regs->outbound_intr_mask));
}
int
@ -4894,9 +4895,9 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason)
atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL);
dev_info(&instance->pdev->dev, "Interrupts are enabled and"
" controller is OPERATIONAL for scsi:%d\n",
instance->host->host_no);
dev_info(&instance->pdev->dev,
"Adapter is OPERATIONAL for scsi:%d\n",
instance->host->host_no);
/* Restart SR-IOV heartbeat */
if (instance->requestorId) {