diff --git a/[refs] b/[refs]
index 9e0363cc1944..705c8869e23f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d8c4019b41aaf4d6401a4ceb3819b8e1afe21595
+refs/heads/master: 3579812373aba92b2f3b632bdf99329bc3c05d62
diff --git a/trunk/drivers/tty/serial/8250/8250_pci.c b/trunk/drivers/tty/serial/8250/8250_pci.c
index da2b0b0a183f..1d4ccf8c8874 100644
--- a/trunk/drivers/tty/serial/8250/8250_pci.c
+++ b/trunk/drivers/tty/serial/8250/8250_pci.c
@@ -1118,18 +1118,6 @@ pci_xr17c154_setup(struct serial_private *priv,
 	return pci_default_setup(priv, board, port, idx);
 }
 
-static int try_enable_msi(struct pci_dev *dev)
-{
-	/* use msi if available, but fallback to legacy otherwise */
-	pci_enable_msi(dev);
-	return 0;
-}
-
-static void disable_msi(struct pci_dev *dev)
-{
-	pci_disable_msi(dev);
-}
-
 #define PCI_VENDOR_ID_SBSMODULARIO	0x124B
 #define PCI_SUBVENDOR_ID_SBSMODULARIO	0x124B
 #define PCI_DEVICE_ID_OCTPRO		0x0001
@@ -1249,9 +1237,7 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
 		.device		= PCI_DEVICE_ID_INTEL_PATSBURG_KT,
 		.subvendor	= PCI_ANY_ID,
 		.subdevice	= PCI_ANY_ID,
-		.init		= try_enable_msi,
 		.setup		= kt_serial_setup,
-		.exit		= disable_msi,
 	},
 	/*
 	 * ITE