Restart 802.3z negotiation when the net device is brought up to ensure that the link partner has our current link modes. Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx> --- drivers/net/phy/phylink.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 560486463930..40563c8d7352 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -751,6 +751,12 @@ void phylink_start(struct phylink *pl) phylink_resolve_flow(pl, &pl->link_config); phylink_mac_config(pl, &pl->link_config); + /* Restart autonegotiation if using 802.3z to ensure that the link + * parameters are properly negotiated. This is necessary for DSA + * switches using 802.3z negotiation to ensure they see our modes. + */ + phylink_mac_an_restart(pl); + clear_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state); phylink_run_resolve(pl); -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
