From 97fe222524f8fdbcc528b44d160d1df71d96af86 Mon Sep 17 00:00:00 2001
From: Ching Huang <ching2048@areca.com.tw>
Date: Mon, 9 Jul 2018 18:24:53 +0800
Subject: [Backport 97fe222524f8] scsi: arcmsr: Fix error of resuming from
 hibernation for adapter type E

Fix error of resuming from hibernation for adapter type E.

Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
 src/arcmsr_hba.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/arcmsr_hba.c b/src/arcmsr_hba.c
index 732b5d9242f16551b525b43023b4dcae8a94cc65..12316ef4c89318536f88e6b84f7f92d7d887d8f2 100644
--- a/src/arcmsr_hba.c
+++ b/src/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)
-- 
2.31.1