Merge branch 'upstream-fixes'

drivers/scsi/sata_mv.c

@@ -568,6 +568,12 @@ static const struct mv_hw_ops mv6xxx_ops = {
 	.reset_bus		= mv_reset_pci_bus,
 };
 
+/*
+ * module options
+ */
+static int msi;	      /* Use PCI msi; either zero (off, default) or non-zero */
+
+
 /*
  * Functions
  */
@@ -2369,7 +2375,7 @@ 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);
@@ -2424,5 +2430,8 @@ 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);