target/linux/layerscape/patches-5.4/701-net-0277-net-phylink-call-mac_an_restart-for-SGMII-QSGMII-inb.patch

   1 From d526228a8159d136c914c8f71d5944cda2f93d9a Mon Sep 17 00:00:00 2001
   2 From: Vladimir Oltean <vladimir.oltean@nxp.com>
   3 Date: Thu, 28 Nov 2019 03:21:53 +0200
   4 Subject: [PATCH] net: phylink: call mac_an_restart for SGMII/QSGMII inband
   5  interfaces too
   6
   7 It doesn't quite make sense why restarting the AN process should be
   8 unique to 802.3z (1000Base-X) modes. It is valid to put an SGMII PCS in
   9 in-band AN mode, therefore also make PHYLINK re-trigger an
  10 auto-negotiation if needed.
  11
  12 Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
  13 ---
  14  drivers/net/phy/phylink.c | 4 +++-
  15  1 file changed, 3 insertions(+), 1 deletion(-)
  16
  17 --- a/drivers/net/phy/phylink.c
  18 +++ b/drivers/net/phy/phylink.c
  19 @@ -360,7 +360,9 @@ static void phylink_mac_config_up(struct
  20  static void phylink_mac_an_restart(struct phylink *pl)
  21  {
  22         if (pl->link_config.an_enabled &&
  23 -           phy_interface_mode_is_8023z(pl->link_config.interface))
  24 +           (phy_interface_mode_is_8023z(pl->link_config.interface) ||
  25 +            pl->link_config.interface == PHY_INTERFACE_MODE_SGMII ||
  26 +            pl->link_config.interface == PHY_INTERFACE_MODE_QSGMII))
  27                 pl->ops->mac_an_restart(pl->config);
  28  }
  29