"val" is declared as a u64 so static checkers complain that this shift
can wrap.  I don't have the hardware but probably it's doesn't have over
31 ports.  Still we may as well silence the warning even if it's not a
real bug.

Signed-off-by: Dan Carpenter <redacted>

diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 713a13c..9fb6948 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c

@@ -1257,9 +1257,9 @@ static void rocker_port_set_enable(struct rocker_port *rocker_port, bool enable)
        u64 val = rocker_read64(rocker_port->rocker, PORT_PHYS_ENABLE);

        if (enable)
-               val |= 1 << rocker_port->lport;
+               val |= 1ULL << rocker_port->lport;
        else
-               val &= ~(1 << rocker_port->lport);
+               val &= ~(1ULL << rocker_port->lport);
        rocker_write64(rocker_port->rocker, PORT_PHYS_ENABLE, val);
 }