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-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 = {
510}; 510};
511 511
512/* 512/*
513 * module options
514 */
515static int msi; /* Use PCI msi; either zero (off, default) or non-zero */
516
517
518/*
513 * Functions 519 * Functions
514 */ 520 */
515 521
@@ -2191,7 +2197,7 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2191 } 2197 }
2192 2198
2193 /* Enable interrupts */ 2199 /* Enable interrupts */
2194 if (pci_enable_msi(pdev) == 0) { 2200 if (msi && pci_enable_msi(pdev) == 0) {
2195 hpriv->hp_flags |= MV_HP_FLAG_MSI; 2201 hpriv->hp_flags |= MV_HP_FLAG_MSI;
2196 } else { 2202 } else {
2197 pci_intx(pdev, 1); 2203 pci_intx(pdev, 1);
@@ -2246,5 +2252,8 @@ MODULE_LICENSE("GPL");
2246MODULE_DEVICE_TABLE(pci, mv_pci_tbl); 2252MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
2247MODULE_VERSION(DRV_VERSION); 2253MODULE_VERSION(DRV_VERSION);
2248 2254
2255module_param(msi, int, 0444);
2256MODULE_PARM_DESC(msi, "Enable use of PCI MSI (0=off, 1=on)");
2257
2249module_init(mv_init); 2258module_init(mv_init);
2250module_exit(mv_exit); 2259module_exit(mv_exit);