linux-kernel - [PATCH 1/2] scsi: arcmsr: Fix error of resuming from hibernation for adapter type E

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Message-ID: <1531131893.5779.13.camel@Centos6.3-64>
Date:   Mon, 09 Jul 2018 18:24:53 +0800
From:   Ching Huang <ching2048@...ca.com.tw>
To:     martin.petersen@...cle.com, James.Bottomley@...senPartnership.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     dan.carpenter@...cle.com, hch@...radead.org,
        colin.king@...onical.com
Subject: [PATCH 1/2] scsi: arcmsr: Fix error of resuming from hibernation
 for adapter type E

>From Ching Huang <ching2048@...ca.com.tw>

Fix error of resuming from hibernation for adapter type E.

Signed-off-by: Ching Huang <ching2048@...ca.com.tw>
---

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 732b5d9..12316ef 100755
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1061,6 +1061,13 @@ static int arcmsr_resume(struct pci_dev *pdev)
 	pci_set_master(pdev);
 	if (arcmsr_request_irq(pdev, acb) == FAILED)
 		goto controller_stop;
+	if (acb->adapter_type == ACB_ADAPTER_TYPE_E) {
+		writel(0, &acb->pmuE->host_int_status);
+		writel(ARCMSR_HBEMU_DOORBELL_SYNC, &acb->pmuE->iobound_doorbell);
+		acb->in_doorbell = 0;
+		acb->out_doorbell = 0;
+		acb->doneq_index = 0;
+	}
 	arcmsr_iop_init(acb);
 	arcmsr_init_get_devmap_timer(acb);
 	if (set_date_time)