tg3: Handle NVRAM absent cases

Some 57780 ASIC revision parts do not have NVRAM.  Code the driver so
that it is tolerant of this configuration.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index ca71a49a3fd..afbabf283c5 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2636,6 +2636,7 @@ struct tg3 {
 #define TG3_FLG3_CLKREQ_BUG             0x00000800
 #define TG3_FLG3_PHY_ENABLE_APD         0x00001000
 #define TG3_FLG3_5755_PLUS              0x00002000
+#define TG3_FLG3_NO_NVRAM               0x00004000
 
         struct timer_list               timer;
         u16                             timer_counter;