target/linux/generic/backport-6.1/790-22-v6.8-net-dsa-mt7530-fix-10M-100M-speed-on-MT7988-switch.patch

   1 From 022a254fafce88367914dfc8168fe687fc528cdb Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Wed, 24 Jan 2024 05:17:25 +0000
   4 Subject: [PATCH 22/48] net: dsa: mt7530: fix 10M/100M speed on MT7988 switch
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 Setup PMCR port register for actual speed and duplex on internally
  10 connected PHYs of the MT7988 built-in switch. This fixes links with
  11 speeds other than 1000M.
  12
  13 Fixes: 110c18bfed41 ("net: dsa: mt7530: introduce driver for MT7988 built-in switch")
  14 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  15 Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
  16 Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
  17 Link: https://lore.kernel.org/r/a5b04dfa8256d8302f402545a51ac4c626fdba25.1706071272.git.daniel@makrotopia.org
  18 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
  19 ---
  20  drivers/net/dsa/mt7530.c | 3 +--
  21  1 file changed, 1 insertion(+), 2 deletions(-)
  22
  23 --- a/drivers/net/dsa/mt7530.c
  24 +++ b/drivers/net/dsa/mt7530.c
  25 @@ -2883,8 +2883,7 @@ static void mt753x_phylink_mac_link_up(s
  26         /* MT753x MAC works in 1G full duplex mode for all up-clocked
  27          * variants.
  28          */
  29 -       if (interface == PHY_INTERFACE_MODE_INTERNAL ||
  30 -           interface == PHY_INTERFACE_MODE_TRGMII ||
  31 +       if (interface == PHY_INTERFACE_MODE_TRGMII ||
  32             (phy_interface_mode_is_8023z(interface))) {
  33                 speed = SPEED_1000;
  34                 duplex = DUPLEX_FULL;