target/linux/generic/backport-5.15/705-13-v6.0-net-dsa-mt7530-get-cpu-port-via-dp-cpu_dp-instead-of.patch

   1 From ad2606f6fafae3a7d41c4f2af5554c8f6adecbc7 Mon Sep 17 00:00:00 2001
   2 From: Frank Wunderlich <frank-w@public-files.de>
   3 Date: Fri, 10 Jun 2022 19:05:39 +0200
   4 Subject: [PATCH 13/13] net: dsa: mt7530: get cpu-port via dp->cpu_dp instead
   5  of constant
   6
   7 Replace last occurences of hardcoded cpu-port by cpu_dp member of
   8 dsa_port struct.
   9
  10 Now the constant can be dropped.
  11
  12 Suggested-by: Vladimir Oltean <olteanv@gmail.com>
  13 Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
  14 Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
  15 Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
  16 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
  17 ---
  18  drivers/net/dsa/mt7530.c | 27 ++++++++++++++++++++-------
  19  drivers/net/dsa/mt7530.h |  1 -
  20  2 files changed, 20 insertions(+), 8 deletions(-)
  21
  22 --- a/drivers/net/dsa/mt7530.c
  23 +++ b/drivers/net/dsa/mt7530.c
  24 @@ -1048,6 +1048,7 @@ static int
  25  mt7530_port_enable(struct dsa_switch *ds, int port,
  26                    struct phy_device *phy)
  27  {
  28 +       struct dsa_port *dp = dsa_to_port(ds, port);
  29         struct mt7530_priv *priv = ds->priv;
  30
  31         mutex_lock(&priv->reg_mutex);
  32 @@ -1056,7 +1057,11 @@ mt7530_port_enable(struct dsa_switch *ds
  33          * restore the port matrix if the port is the member of a certain
  34          * bridge.
  35          */
  36 -       priv->ports[port].pm |= PCR_MATRIX(BIT(MT7530_CPU_PORT));
  37 +       if (dsa_port_is_user(dp)) {
  38 +               struct dsa_port *cpu_dp = dp->cpu_dp;
  39 +
  40 +               priv->ports[port].pm |= PCR_MATRIX(BIT(cpu_dp->index));
  41 +       }
  42         priv->ports[port].enable = true;
  43         mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
  44                    priv->ports[port].pm);
  45 @@ -1204,7 +1209,8 @@ mt7530_port_bridge_join(struct dsa_switc
  46                         struct net_device *bridge)
  47  {
  48         struct dsa_port *dp = dsa_to_port(ds, port), *other_dp;
  49 -       u32 port_bitmap = BIT(MT7530_CPU_PORT);
  50 +       struct dsa_port *cpu_dp = dp->cpu_dp;
  51 +       u32 port_bitmap = BIT(cpu_dp->index);
  52         struct mt7530_priv *priv = ds->priv;
  53
  54         mutex_lock(&priv->reg_mutex);
  55 @@ -1281,9 +1287,12 @@ mt7530_port_set_vlan_unaware(struct dsa_
  56          * the CPU port get out of VLAN filtering mode.
  57          */
  58         if (all_user_ports_removed) {
  59 -               mt7530_write(priv, MT7530_PCR_P(MT7530_CPU_PORT),
  60 +               struct dsa_port *dp = dsa_to_port(ds, port);
  61 +               struct dsa_port *cpu_dp = dp->cpu_dp;
  62 +
  63 +               mt7530_write(priv, MT7530_PCR_P(cpu_dp->index),
  64                              PCR_MATRIX(dsa_user_ports(priv->ds)));
  65 -               mt7530_write(priv, MT7530_PVC_P(MT7530_CPU_PORT), PORT_SPEC_TAG
  66 +               mt7530_write(priv, MT7530_PVC_P(cpu_dp->index), PORT_SPEC_TAG
  67                              | PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT));
  68         }
  69  }
  70 @@ -1333,6 +1342,7 @@ mt7530_port_bridge_leave(struct dsa_swit
  71                          struct net_device *bridge)
  72  {
  73         struct dsa_port *dp = dsa_to_port(ds, port), *other_dp;
  74 +       struct dsa_port *cpu_dp = dp->cpu_dp;
  75         struct mt7530_priv *priv = ds->priv;
  76
  77         mutex_lock(&priv->reg_mutex);
  78 @@ -1361,8 +1371,8 @@ mt7530_port_bridge_leave(struct dsa_swit
  79          */
  80         if (priv->ports[port].enable)
  81                 mt7530_rmw(priv, MT7530_PCR_P(port), PCR_MATRIX_MASK,
  82 -                          PCR_MATRIX(BIT(MT7530_CPU_PORT)));
  83 -       priv->ports[port].pm = PCR_MATRIX(BIT(MT7530_CPU_PORT));
  84 +                          PCR_MATRIX(BIT(cpu_dp->index)));
  85 +       priv->ports[port].pm = PCR_MATRIX(BIT(cpu_dp->index));
  86
  87         /* When a port is removed from the bridge, the port would be set up
  88          * back to the default as is at initial boot which is a VLAN-unaware
  89 @@ -1525,6 +1535,9 @@ static int
  90  mt7530_port_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,
  91                            struct netlink_ext_ack *extack)
  92  {
  93 +       struct dsa_port *dp = dsa_to_port(ds, port);
  94 +       struct dsa_port *cpu_dp = dp->cpu_dp;
  95 +
  96         if (vlan_filtering) {
  97                 /* The port is being kept as VLAN-unaware port when bridge is
  98                  * set up with vlan_filtering not being set, Otherwise, the
  99 @@ -1532,7 +1545,7 @@ mt7530_port_vlan_filtering(struct dsa_sw
 100                  * for becoming a VLAN-aware port.
 101                  */
 102                 mt7530_port_set_vlan_aware(ds, port);
 103 -               mt7530_port_set_vlan_aware(ds, MT7530_CPU_PORT);
 104 +               mt7530_port_set_vlan_aware(ds, cpu_dp->index);
 105         } else {
 106                 mt7530_port_set_vlan_unaware(ds, port);
 107         }
 108 --- a/drivers/net/dsa/mt7530.h
 109 +++ b/drivers/net/dsa/mt7530.h
 110 @@ -8,7 +8,6 @@
 111
 112  #define MT7530_NUM_PORTS               7
 113  #define MT7530_NUM_PHYS                        5
 114 -#define MT7530_CPU_PORT                        6
 115  #define MT7530_NUM_FDB_RECORDS         2048
 116  #define MT7530_ALL_MEMBERS             0xff
 117