UBUNTU: SAUCE: (no-up) mei_me: Add module parameter to disable MSI

mei_me.disable_msi = 1
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

drivers/misc/mei/pci-me.c

@@ -40,6 +40,9 @@
 #include "hw-me-regs.h"
 #include "hw-me.h"
 
+static bool disable_msi;
+module_param(disable_msi, bool, 0);
+
 /* mei_pci_tbl - PCI Device ID Table */
 static const struct pci_device_id mei_me_pci_tbl[] = {
 	{MEI_PCI_DEVICE(MEI_DEV_ID_82946GZ, mei_me_legacy_cfg)},
@@ -183,7 +186,8 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		err = -ENOMEM;
 		goto free_device;
 	}
-	pci_enable_msi(pdev);
+	if (!disable_msi)
+		pci_enable_msi(pdev);
 
 	 /* request and enable interrupt */
 	irqflags = pci_dev_msi_enabled(pdev) ? IRQF_ONESHOT : IRQF_SHARED;