[TG3]: Fix Sun tg3 variant detection.

Some Sun parts don't have PCI_VENDOR_ID_SUN in the subsystem
vendor ID.  So add another fallback test, which is the name
of the OBP firmware device tree node.  If it's a Sun part we'll
get "network", else it will be named "ethernet".

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e7dc653d5bd6..e8e92c853e89 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9408,6 +9408,15 @@ static int __devinit tg3_is_sun_570X(struct tg3 *tp)
                         return 0;
                 if (venid == PCI_VENDOR_ID_SUN)
                         return 1;
+
+                /* TG3 chips onboard the SunBlade-2500 don't have the
+                 * subsystem-vendor-id set to PCI_VENDOR_ID_SUN but they
+                 * are distinguishable from non-Sun variants by being
+                 * named "network" by the firmware.  Non-Sun cards will
+                 * show up as being named "ethernet".
+                 */
+                if (!strcmp(pcp->prom_name, "network"))
+                        return 1;
         }
         return 0;
 }