[PATCH] synclink_gt: add GT2 adapter support

Add support for SyncLink GT2 adapter to driver.

Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 8 insertions, 1 deletions

diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 41eab9831ad5..4e35d4181224 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -101,6 +101,7 @@ MODULE_LICENSE("GPL");
 
 static struct pci_device_id pci_table[] = {
         {PCI_VENDOR_ID_MICROGATE, SYNCLINK_GT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
+        {PCI_VENDOR_ID_MICROGATE, SYNCLINK_GT2_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
         {PCI_VENDOR_ID_MICROGATE, SYNCLINK_GT4_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
         {PCI_VENDOR_ID_MICROGATE, SYNCLINK_AC_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
         {0,}, /* terminate list */
@@ -3277,6 +3278,9 @@ static void add_device(struct slgt_info *info)
         case SYNCLINK_GT_DEVICE_ID:
                 devstr = "GT";
                 break;
+        case SYNCLINK_GT2_DEVICE_ID:
+                devstr = "GT2";
+                break;
         case SYNCLINK_GT4_DEVICE_ID:
                 devstr = "GT4";
                 break;
@@ -3354,7 +3358,9 @@ static void device_init(int adapter_num, struct pci_dev *pdev)
         int i;
         int port_count = 1;
 
-        if (pdev->device == SYNCLINK_GT4_DEVICE_ID)
+        if (pdev->device == SYNCLINK_GT2_DEVICE_ID)
+                port_count = 2;
+        else if (pdev->device == SYNCLINK_GT4_DEVICE_ID)
                 port_count = 4;
 
         /* allocate device instances for all ports */
diff --git a/include/linux/synclink.h b/include/linux/synclink.h
index b0e3535c38bf..0577f5284cbc 100644
--- a/include/linux/synclink.h
+++ b/include/linux/synclink.h
@@ -172,6 +172,7 @@ typedef struct _MGSL_PARAMS
 #define SYNCLINK_GT_DEVICE_ID 0x0070
 #define SYNCLINK_GT4_DEVICE_ID 0x0080
 #define SYNCLINK_AC_DEVICE_ID  0x0090
+#define SYNCLINK_GT2_DEVICE_ID 0x00A0
 #define MGSL_MAX_SERIAL_NUMBER 30
 
 /*