serial: add support for the Lava Quattro PCI quad-port 16550A card

This seems to be a different model (with a different PCI ID) than the
"Quatro" card that is also in the list.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/serial/8250_pci.c

@@ -3139,6 +3139,12 @@ static struct pci_device_id serial_pci_tbl[] = {
 	{	PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_QUATRO_B,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 		pbn_b0_bt_2_115200 },
+	{	PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_QUATTRO_A,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_bt_2_115200 },
+	{	PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_QUATTRO_B,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_bt_2_115200 },
 	{	PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_OCTO_A,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 		pbn_b0_bt_4_460800 },

include/linux/pci_ids.h

@@ -1956,6 +1956,8 @@
 #define PCI_DEVICE_ID_LAVA_DSERIAL	0x0100 /* 2x 16550 */
 #define PCI_DEVICE_ID_LAVA_QUATRO_A	0x0101 /* 2x 16550, half of 4 port */
 #define PCI_DEVICE_ID_LAVA_QUATRO_B	0x0102 /* 2x 16550, half of 4 port */
+#define PCI_DEVICE_ID_LAVA_QUATTRO_A	0x0120 /* 2x 16550A, half of 4 port */
+#define PCI_DEVICE_ID_LAVA_QUATTRO_B	0x0121 /* 2x 16550A, half of 4 port */
 #define PCI_DEVICE_ID_LAVA_OCTO_A	0x0180 /* 4x 16550A, half of 8 port */
 #define PCI_DEVICE_ID_LAVA_OCTO_B	0x0181 /* 4x 16550A, half of 8 port */
 #define PCI_DEVICE_ID_LAVA_PORT_PLUS	0x0200 /* 2x 16650 */