scsi: megaraid_sas: Print firmware interrupt status

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>

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 7ec4920..2edb082 100644 (file)
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -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) {