diff mbox series

[V2,09/19] megaraid_sas: For SRIOV, do not set STOP_ADP bit

Message ID 1539758277-1882-10-git-send-email-shivasharan.srikanteshwara@broadcom.com (mailing list archive)
State Accepted
Headers show
Series megaraid_sas: Driver updates | expand

Commit Message

Shivasharan S Oct. 17, 2018, 6:37 a.m. UTC 
Fix -
For SRIOV based adapters, driver should not set the STOP_ADP bit as part
of kill adapter.

Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
---
 drivers/scsi/megaraid/megaraid_sas_base.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 57899ff7ca0b..8a251d03be34 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2076,9 +2076,11 @@  void megaraid_sas_kill_hba(struct megasas_instance *instance)
 	if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
 		(instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
 		(instance->adapter_type != MFI_SERIES)) {
-		writel(MFI_STOP_ADP, &instance->reg_set->doorbell);
-		/* Flush */
-		readl(&instance->reg_set->doorbell);
+		if (!instance->requestorId) {
+			writel(MFI_STOP_ADP, &instance->reg_set->doorbell);
+			/* Flush */
+			readl(&instance->reg_set->doorbell);
+		}
 		if (instance->requestorId && instance->peerIsPresent)
 			memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
 	} else {