diff mbox series

[2/4] megaraid_sas: Enable msix_load_balance for Invader and later controllers

Message ID 1561715441-1428-3-git-send-email-shivasharan.srikanteshwara@broadcom.com (mailing list archive)
State Accepted
Headers show
Series megaraid_sas: driver updates | expand

Commit Message

Shivasharan Srikanteshwara June 28, 2019, 9:50 a.m. UTC 
Load balancing IO completions across all available MSI-X vectors should be
enabled for Invader and later generation controllers only.
This needs to be disabled for older controllers.
Add an adapter type check before setting msix_load_balance flag.

Fixes: 1d15d9098ad1 ("scsi: megaraid_sas: Load balance completions across all MSI-X")
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
---
 drivers/scsi/megaraid/megaraid_sas_base.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 9321878..96b6510 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -5945,7 +5945,8 @@  static int megasas_init_fw(struct megasas_instance *instance)
 					instance->is_rdpq = (scratch_pad_1 & MR_RDPQ_MODE_OFFSET) ?
 								1 : 0;
 
-				if (!instance->msix_combined) {
+				if (instance->adapter_type >= INVADER_SERIES &&
+				    !instance->msix_combined) {
 					instance->msix_load_balance = true;
 					instance->smp_affinity_enable = false;
 				}