2 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index d2439b85a790..e3fd74b871a3 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -536,6 +536,7 @@ static int tg3_ape_lock(struct tg3 *tp, int locknum)
                 return 0;
 
         switch (locknum) {
+                case TG3_APE_LOCK_GRC:
                 case TG3_APE_LOCK_MEM:
                         break;
                 default:
@@ -573,6 +574,7 @@ static void tg3_ape_unlock(struct tg3 *tp, int locknum)
                 return;
 
         switch (locknum) {
+                case TG3_APE_LOCK_GRC:
                 case TG3_APE_LOCK_MEM:
                         break;
                 default:
@@ -5760,6 +5762,8 @@ static int tg3_chip_reset(struct tg3 *tp)
 
         tg3_mdio_stop(tp);
 
+        tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
+
         /* No matching tg3_nvram_unlock() after this because
          * chip reset below will undo the nvram lock.
          */
@@ -5914,6 +5918,8 @@ static int tg3_chip_reset(struct tg3 *tp)
 
         tg3_mdio_start(tp);
 
+        tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
+
         err = tg3_poll_fw(tp);
         if (err)
                 return err;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index df07842172b7..dd1af508023a 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1889,6 +1889,7 @@
 #define  APE_EVENT_STATUS_EVENT_PENDING  0x80000000
 
 /* APE convenience enumerations. */
+#define TG3_APE_LOCK_GRC                1
 #define TG3_APE_LOCK_MEM                4
 
 #define TG3_EEPROM_SB_F1R2_MBA_OFF      0x10