1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index cd54244058b5..6fddf17a3b70 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -510,6 +510,12 @@ static const struct mv_hw_ops mv6xxx_ops = {
 };
 
 /*
+ * module options
+ */
+static int msi;       /* Use PCI msi; either zero (off, default) or non-zero */
+
+
+/*
  * Functions
  */
 
@@ -2191,7 +2197,7 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         }
 
         /* Enable interrupts */
-        if (pci_enable_msi(pdev) == 0) {
+        if (msi && pci_enable_msi(pdev) == 0) {
                 hpriv->hp_flags |= MV_HP_FLAG_MSI;
         } else {
                 pci_intx(pdev, 1);
@@ -2246,5 +2252,8 @@ MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
 MODULE_VERSION(DRV_VERSION);
 
+module_param(msi, int, 0444);
+MODULE_PARM_DESC(msi, "Enable use of PCI MSI (0=off, 1=on)");
+
 module_init(mv_init);
 module_exit(mv_exit);