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path: root/drivers/scsi/sata_mv.c
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Diffstat (limited to 'drivers/scsi/sata_mv.c')
-rw-r--r--drivers/scsi/sata_mv.c11
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);