[patch net-next 5/5] mlxsw: use devlink helper to generate physical port name

[Jiri Pirko]

From: Jiri Pirko <j...@mellanox.com>

Since devlink knows the info needed to generate the physical port name
in a generic way for all devlink users, use the helper to do the job.

Signed-off-by: Jiri Pirko <j...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/core.c     | 11 +++++++++++
 drivers/net/ethernet/mellanox/mlxsw/core.h     |  2 ++
 drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 17 +++--------------
 drivers/net/ethernet/mellanox/mlxsw/switchx2.c |  9 +++------
 4 files changed, 19 insertions(+), 20 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c 
b/drivers/net/ethernet/mellanox/mlxsw/core.c
index a720aa11bcc0..a38faec45b30 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -1763,6 +1763,17 @@ enum devlink_port_type mlxsw_core_port_type_get(struct 
mlxsw_core *mlxsw_core,
 }
 EXPORT_SYMBOL(mlxsw_core_port_type_get);
 
+int mlxsw_core_port_get_phys_port_name(struct mlxsw_core *mlxsw_core,
+                                      u8 local_port, char *name, size_t len)
+{
+       struct mlxsw_core_port *mlxsw_core_port =
+                                       &mlxsw_core->ports[local_port];
+       struct devlink_port *devlink_port = &mlxsw_core_port->devlink_port;
+
+       return devlink_port_get_phys_port_name(devlink_port, name, len);
+}
+EXPORT_SYMBOL(mlxsw_core_port_get_phys_port_name);
+
 static void mlxsw_core_buf_dump_dbg(struct mlxsw_core *mlxsw_core,
                                    const char *buf, size_t size)
 {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h 
b/drivers/net/ethernet/mellanox/mlxsw/core.h
index e65287c15afd..4eac7fbd07d5 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.h
@@ -209,6 +209,8 @@ void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, 
u8 local_port,
                           void *port_driver_priv);
 enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core,
                                                u8 local_port);
+int mlxsw_core_port_get_phys_port_name(struct mlxsw_core *mlxsw_core,
+                                      u8 local_port, char *name, size_t len);
 
 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
 bool mlxsw_core_schedule_work(struct work_struct *work);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c 
b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 96f6d8af1fd8..bb252b36994d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1238,21 +1238,10 @@ static int mlxsw_sp_port_get_phys_port_name(struct 
net_device *dev, char *name,
                                            size_t len)
 {
        struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
-       u8 module = mlxsw_sp_port->mapping.module;
-       u8 width = mlxsw_sp_port->mapping.width;
-       u8 lane = mlxsw_sp_port->mapping.lane;
-       int err;
-
-       if (!mlxsw_sp_port->split)
-               err = snprintf(name, len, "p%d", module + 1);
-       else
-               err = snprintf(name, len, "p%ds%d", module + 1,
-                              lane / width);
 
-       if (err >= len)
-               return -EINVAL;
-
-       return 0;
+       return mlxsw_core_port_get_phys_port_name(mlxsw_sp_port->mlxsw_sp->core,
+                                                 mlxsw_sp_port->local_port,
+                                                 name, len);
 }
 
 static struct mlxsw_sp_port_mall_tc_entry *
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c 
b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
index 551e05067b1e..3922c1cfe5f5 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
@@ -417,13 +417,10 @@ static int mlxsw_sx_port_get_phys_port_name(struct 
net_device *dev, char *name,
                                            size_t len)
 {
        struct mlxsw_sx_port *mlxsw_sx_port = netdev_priv(dev);
-       int err;
-
-       err = snprintf(name, len, "p%d", mlxsw_sx_port->mapping.module + 1);
-       if (err >= len)
-               return -EINVAL;
 
-       return 0;
+       return mlxsw_core_port_get_phys_port_name(mlxsw_sx_port->mlxsw_sx->core,
+                                                 mlxsw_sx_port->local_port,
+                                                 name, len);
 }
 
 static const struct net_device_ops mlxsw_sx_port_netdev_ops = {
-- 
2.14.3