target/linux/generic/backport-5.4/712-v5.3-net-sfp-remove-sfp-bus-use-of-netdevs.patch

   1 From 60d756717d772be90d07a07cd2cc140c76da3e4a Mon Sep 17 00:00:00 2001
   2 From: Russell King <rmk+kernel@armlinux.org.uk>
   3 Date: Tue, 28 May 2019 10:57:39 +0100
   4 Subject: [PATCH 610/660] net: sfp: remove sfp-bus use of netdevs
   5
   6 The sfp-bus code now no longer has any use for the network device
   7 structure, so remove its use.
   8
   9 Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
  10 Reviewed-by: Andrew Lunn <andrew@lunn.ch>
  11 Signed-off-by: David S. Miller <davem@davemloft.net>
  12 Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
  13 ---
  14  drivers/net/phy/phylink.c |  3 +--
  15  drivers/net/phy/sfp-bus.c | 10 +++-------
  16  include/linux/sfp.h       |  6 ++----
  17  3 files changed, 6 insertions(+), 13 deletions(-)
  18
  19 --- a/drivers/net/phy/phylink.c
  20 +++ b/drivers/net/phy/phylink.c
  21 @@ -555,8 +555,7 @@ static int phylink_register_sfp(struct p
  22                 return ret;
  23         }
  24
  25 -       pl->sfp_bus = sfp_register_upstream(ref.fwnode, pl->netdev, pl,
  26 -                                           &sfp_phylink_ops);
  27 +       pl->sfp_bus = sfp_register_upstream(ref.fwnode, pl, &sfp_phylink_ops);
  28         if (!pl->sfp_bus)
  29                 return -ENOMEM;
  30
  31 --- a/drivers/net/phy/sfp-bus.c
  32 +++ b/drivers/net/phy/sfp-bus.c
  33 @@ -23,7 +23,6 @@ struct sfp_bus {
  34
  35         const struct sfp_upstream_ops *upstream_ops;
  36         void *upstream;
  37 -       struct net_device *netdev;
  38         struct phy_device *phydev;
  39
  40         bool registered;
  41 @@ -442,13 +441,11 @@ static void sfp_upstream_clear(struct sf
  42  {
  43         bus->upstream_ops = NULL;
  44         bus->upstream = NULL;
  45 -       bus->netdev = NULL;
  46  }
  47
  48  /**
  49   * sfp_register_upstream() - Register the neighbouring device
  50   * @fwnode: firmware node for the SFP bus
  51 - * @ndev: network device associated with the interface
  52   * @upstream: the upstream private data
  53   * @ops: the upstream's &struct sfp_upstream_ops
  54   *
  55 @@ -459,7 +456,7 @@ static void sfp_upstream_clear(struct sf
  56   * On error, returns %NULL.
  57   */
  58  struct sfp_bus *sfp_register_upstream(struct fwnode_handle *fwnode,
  59 -                                     struct net_device *ndev, void *upstream,
  60 +                                     void *upstream,
  61                                       const struct sfp_upstream_ops *ops)
  62  {
  63         struct sfp_bus *bus = sfp_bus_get(fwnode);
  64 @@ -469,7 +466,6 @@ struct sfp_bus *sfp_register_upstream(st
  65                 rtnl_lock();
  66                 bus->upstream_ops = ops;
  67                 bus->upstream = upstream;
  68 -               bus->netdev = ndev;
  69
  70                 if (bus->sfp) {
  71                         ret = sfp_register_bus(bus);
  72 @@ -591,7 +587,7 @@ struct sfp_bus *sfp_register_socket(stru
  73                 bus->sfp = sfp;
  74                 bus->socket_ops = ops;
  75
  76 -               if (bus->netdev) {
  77 +               if (bus->upstream_ops) {
  78                         ret = sfp_register_bus(bus);
  79                         if (ret)
  80                                 sfp_socket_clear(bus);
  81 @@ -611,7 +607,7 @@ EXPORT_SYMBOL_GPL(sfp_register_socket);
  82  void sfp_unregister_socket(struct sfp_bus *bus)
  83  {
  84         rtnl_lock();
  85 -       if (bus->netdev)
  86 +       if (bus->upstream_ops)
  87                 sfp_unregister_bus(bus);
  88         sfp_socket_clear(bus);
  89         rtnl_unlock();
  90 --- a/include/linux/sfp.h
  91 +++ b/include/linux/sfp.h
  92 @@ -464,7 +464,6 @@ enum {
  93  struct fwnode_handle;
  94  struct ethtool_eeprom;
  95  struct ethtool_modinfo;
  96 -struct net_device;
  97  struct sfp_bus;
  98
  99  /**
 100 @@ -510,7 +509,7 @@ int sfp_get_module_eeprom(struct sfp_bus
 101  void sfp_upstream_start(struct sfp_bus *bus);
 102  void sfp_upstream_stop(struct sfp_bus *bus);
 103  struct sfp_bus *sfp_register_upstream(struct fwnode_handle *fwnode,
 104 -                                     struct net_device *ndev, void *upstream,
 105 +                                     void *upstream,
 106                                       const struct sfp_upstream_ops *ops);
 107  void sfp_unregister_upstream(struct sfp_bus *bus);
 108  #else
 109 @@ -555,8 +554,7 @@ static inline void sfp_upstream_stop(str
 110  }
 111
 112  static inline struct sfp_bus *sfp_register_upstream(
 113 -       struct fwnode_handle *fwnode,
 114 -       struct net_device *ndev, void *upstream,
 115 +       struct fwnode_handle *fwnode, void *upstream,
 116         const struct sfp_upstream_ops *ops)
 117  {
 118         return (struct sfp_bus *)-1;