dsa: fix 88e6xxx statistics counter snapshotting

The bit that tells us whether a statistics counter snapshot operation
has completed is located in the GLOBAL register block, not in the
GLOBAL2 register block, so fix up mv88e6xxx_stats_wait() to poll the
right register address.

Signed-off-by: Stephane Contri <Stephane.Contri@grassvalley.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/dsa/mv88e6xxx.c b/net/dsa/mv88e6xxx.c
index 4e4d8b5..efe661a 100644 (file)
--- a/net/dsa/mv88e6xxx.c
+++ b/net/dsa/mv88e6xxx.c
@@ -418,7 +418,7 @@ static int mv88e6xxx_stats_wait(struct dsa_switch *ds)
        int i;
 
        for (i = 0; i < 10; i++) {
-               ret = REG_READ(REG_GLOBAL2, 0x1d);
+               ret = REG_READ(REG_GLOBAL, 0x1d);
                if ((ret & 0x8000) == 0)
                        return 0;
        }