From: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Date: Wed, 9 Jan 2019 05:08:37 -0800
Subject: [PATCH] scsi: megaraid_sas: Retry reads of outbound_intr_status reg
References: bsc#1136271
Git-commit: c65bfc8163696dd171e081488b0321beb630b708
Patch-mainline: v5.0-rc3
commit 272652fcbf1a ("scsi: megaraid_sas: add retry logic in megasas_readl")
missed changing readl to megasas_readl in megasas_clear_intr_fusion(). For
Aero controllers, reads of outbound_intr_status register needs to be
retried.
Reported-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/megaraid/megaraid_sas_fusion.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 91e673212582..3cecee38b192 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -175,7 +175,8 @@ megasas_clear_intr_fusion(struct megasas_instance *instance)
/*
* Check if it is our interrupt
*/
- status = readl(®s->outbound_intr_status);
+ status = megasas_readl(instance,
+ ®s->outbound_intr_status);
if (status & 1) {
writel(status, ®s->outbound_intr_status);
--
2.16.4