1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index 6767ee381cd1..338cf8a08b43 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -82,7 +82,10 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         /* 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);
@@ -208,6 +211,7 @@ static struct pci_device_id jsm_pci_tbl[] = {
         { 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);