generic: drop support for get_port_stats() on ar8xxx

[librecmc/librecmc.git] / target / linux / generic / files / drivers / net / phy / ar8216.c

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index f3c953b808ee924493a4de9204bba2fb7906b0bf..61811370de6029c86c1a69a1629e2635de29813f 100644 (file)
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -1194,6 +1194,7 @@ ar8xxx_sw_reset_switch(struct switch_dev *dev)
        priv->arl_age_time = AR8XXX_DEFAULT_ARL_AGE_TIME;
 
        chip->init_globals(priv);
+       chip->atu_flush(priv);
 
        mutex_unlock(&priv->reg_mutex);
 
@@ -1695,6 +1696,16 @@ static const struct switch_dev_ops ar8xxx_sw_ops = {
        .apply_config = ar8xxx_sw_hw_apply,
        .reset_switch = ar8xxx_sw_reset_switch,
        .get_port_link = ar8xxx_sw_get_port_link,
+/* The following op is disabled as it hogs the CPU and degrades performance.
+   An implementation has been attempted in 4d8a66d but reading MIB data is slow
+   on ar8xxx switches.
+
+   The high CPU load has been traced down to the ar8xxx_reg_wait() call in
+   ar8xxx_mib_op(), which has to usleep_range() till the MIB busy flag set by
+   the request to update the MIB counter is cleared. */
+#if 0
+       .get_port_stats = ar8xxx_sw_get_port_stats,
+#endif
 };
 
 static const struct ar8xxx_chip ar8216_chip = {