From: Sagar Biradar <sagar.biradar@microsemi.com>
Date: Fri, 7 Dec 2018 16:29:12 -0600
Subject: scsi: smartpqi: enhance numa node detection
Git-commit: 62dc51fb946697c896e47df7187862c310a3d21c
Patch-mainline: v5.0-rc1
References: bsc#1133547

- set pci_dev->dev to 0 only if the node is NO_NUMA_NODE.
  If not, do not reset the value but retain it.

Reviewed-by: Murthy Bhat <murthy.bhat@microsemi.com>
Reviewed-by: Mahesh Rajashekhara <mahesh.rajashekhara@microsemi.com>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Sagar Biradar <sagar.biradar@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Lee Duncan <lduncan@suse.com>
---
 drivers/scsi/smartpqi/smartpqi_init.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 273daa2c2b68..ed4dd71426be 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -7130,7 +7130,7 @@ static int pqi_pci_probe(struct pci_dev *pci_dev,
 	const struct pci_device_id *id)
 {
 	int rc;
-	int node;
+	int node, cp_node;
 	struct pqi_ctrl_info *ctrl_info;
 
 	pqi_print_ctrl_info(pci_dev, id);
@@ -7148,8 +7148,12 @@ static int pqi_pci_probe(struct pci_dev *pci_dev,
 			"controller device ID matched using wildcards\n");
 
 	node = dev_to_node(&pci_dev->dev);
-	if (node == NUMA_NO_NODE)
-		set_dev_node(&pci_dev->dev, 0);
+	if (node == NUMA_NO_NODE) {
+		cp_node = cpu_to_node(0);
+		if (cp_node == NUMA_NO_NODE)
+			cp_node = 0;
+		set_dev_node(&pci_dev->dev, cp_node);
+	}
 
 	ctrl_info = pqi_alloc_ctrl_info(node);
 	if (!ctrl_info) {