jsm: add new supported board to jsm serial driver

Add new PCI Express Neo/JSM board to the supported list of drivers in
the JSM driver.

Signed-off-by: Scott Kilau <[e-mail]>
Acked-by: Ananda V <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/serial/jsm/jsm.h

···
 #define PCI_DEVICE_NEO_2DB9PRI_PCI_NAME		"Neo 2 - DB9 Universal PCI - Powered Ring Indicator"
 #define PCI_DEVICE_NEO_2RJ45_PCI_NAME		"Neo 2 - RJ45 Universal PCI"
 #define PCI_DEVICE_NEO_2RJ45PRI_PCI_NAME	"Neo 2 - RJ45 Universal PCI - Powered Ring Indicator"
+#define PCIE_DEVICE_NEO_IBM_PCI_NAME		"Neo 4 - PCI Express - IBM"
 
 /*
  * Our Global Variables.

drivers/serial/jsm/jsm_driver.c

···
 	/* store the info for the board we've found */
 	brd->boardnum = adapter_count++;
 	brd->pci_dev = pdev;
-	brd->maxports = 2;
+	if (pdev->device == PCIE_DEVICE_ID_NEO_4_IBM)
+		brd->maxports = 4;
+	else
+		brd->maxports = 2;
 
 	spin_lock_init(&brd->bd_lock);
 	spin_lock_init(&brd->bd_intr_lock);
···
 	{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2DB9PRI), 0, 0, 1 },
 	{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45), 0, 0, 2 },
 	{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45PRI), 0, 0, 3 },
+	{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCIE_DEVICE_ID_NEO_4_IBM), 0, 0, 4 },
 	{ 0, }
 };
 MODULE_DEVICE_TABLE(pci, jsm_pci_tbl);

include/linux/pci_ids.h

···
 #define PCI_DEVICE_ID_NEO_2DB9PRI       0x00C9
 #define PCI_DEVICE_ID_NEO_2RJ45         0x00CA
 #define PCI_DEVICE_ID_NEO_2RJ45PRI      0x00CB
+#define PCIE_DEVICE_ID_NEO_4_IBM        0x00F4
 
 #define PCI_VENDOR_ID_XIRCOM		0x115d
 #define PCI_DEVICE_ID_XIRCOM_RBM56G	0x0101