diff --git a/drivers/accel/amdxdna/aie2_pci.c b/drivers/accel/amdxdna/aie2_pci.c
index 8b273bc7db44610ba4261634093e517703d2d4e2..5a058e565b0161627c299115a1342524d08f93bb 100644
--- a/drivers/accel/amdxdna/aie2_pci.c
+++ b/drivers/accel/amdxdna/aie2_pci.c
@@ -25,7 +25,7 @@
 #include "amdxdna_mailbox.h"
 #include "amdxdna_pci_drv.h"
 
-int aie2_max_col = XRS_MAX_COL;
+static int aie2_max_col = XRS_MAX_COL;
 module_param(aie2_max_col, uint, 0600);
 MODULE_PARM_DESC(aie2_max_col, "Maximum column could be used");