net: dsa: mv88e6xxx: factorize GLOBAL_CONTROL_2 setup

All switch models setup the GLOBAL_CONTROL_2 register with slightly
differences.

Since the cascade mode is valid even in a single chip setup, factorize
such configuration.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/dsa/mv88e6123.c b/drivers/net/dsa/mv88e6123.c
index 5df06d8..8f3a7c5 100644 (file)
--- a/drivers/net/dsa/mv88e6123.c
+++ b/drivers/net/dsa/mv88e6123.c
@@ -51,17 +51,6 @@ static const char *mv88e6123_drv_probe(struct device *dsa_dev,
                                   ARRAY_SIZE(mv88e6123_table));
 }
 
-static int mv88e6123_setup_global(struct dsa_switch *ds)
-{
-       struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-
-       /* Disable remote management for now, and set the switch's
-        * DSA device number.
-        */
-       return mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2,
-                                  ds->index & 0x1f);
-}
-
 static int mv88e6123_setup(struct dsa_switch *ds)
 {
        struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
@@ -73,10 +62,6 @@ static int mv88e6123_setup(struct dsa_switch *ds)
        if (ret < 0)
                return ret;
 
-       ret = mv88e6123_setup_global(ds);
-       if (ret < 0)
-               return ret;
-
        return mv88e6xxx_setup_ports(ds);
 }
 

diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index c8e3974..b6ca07b 100644 (file)
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -61,22 +61,6 @@ static const char *mv88e6131_drv_probe(struct device *dsa_dev,
 static int mv88e6131_setup_global(struct dsa_switch *ds)
 {
        struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-       int ret;
-
-       /* Disable cascade port functionality unless this device
-        * is used in a cascade configuration, and set the switch's
-        * DSA device number.
-        */
-       if (ds->dst->pd->nr_chips > 1)
-               ret = mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2,
-                                         GLOBAL_CONTROL_2_MULTIPLE_CASCADE |
-                                         (ds->index & 0x1f));
-       else
-               ret = mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2,
-                                         GLOBAL_CONTROL_2_NO_CASCADE |
-                                         (ds->index & 0x1f));
-       if (ret)
-               return ret;
 
        /* Force the priority of IGMP/MLD snoop frames and ARP frames
         * to the highest setting.

diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c
index a848aef..83678ad 100644 (file)
--- a/drivers/net/dsa/mv88e6171.c
+++ b/drivers/net/dsa/mv88e6171.c
@@ -58,17 +58,6 @@ static const char *mv88e6171_drv_probe(struct device *dsa_dev,
                                   ARRAY_SIZE(mv88e6171_table));
 }
 
-static int mv88e6171_setup_global(struct dsa_switch *ds)
-{
-       struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-
-       /* Disable remote management for now, and set the switch's
-        * DSA device number.
-        */
-       return mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2,
-                                  ds->index & 0x1f);
-}
-
 static int mv88e6171_setup(struct dsa_switch *ds)
 {
        struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
@@ -80,10 +69,6 @@ static int mv88e6171_setup(struct dsa_switch *ds)
        if (ret < 0)
                return ret;
 
-       ret = mv88e6171_setup_global(ds);
-       if (ret < 0)
-               return ret;
-
        return mv88e6xxx_setup_ports(ds);
 }
 

diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c
index e098870..81810dd 100644 (file)
--- a/drivers/net/dsa/mv88e6352.c
+++ b/drivers/net/dsa/mv88e6352.c
@@ -77,16 +77,6 @@ static const char *mv88e6352_drv_probe(struct device *dsa_dev,
                                   ARRAY_SIZE(mv88e6352_table));
 }
 
-static int mv88e6352_setup_global(struct dsa_switch *ds)
-{
-       struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
-
-       /* Disable remote management for now, and set the switch's
-        * DSA device number.
-        */
-       return mv88e6xxx_reg_write(ps, REG_GLOBAL, 0x1c, ds->index & 0x1f);
-}
-
 static int mv88e6352_setup(struct dsa_switch *ds)
 {
        struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
@@ -98,10 +88,6 @@ static int mv88e6352_setup(struct dsa_switch *ds)
        if (ret < 0)
                return ret;
 
-       ret = mv88e6352_setup_global(ds);
-       if (ret < 0)
-               return ret;
-
        return mv88e6xxx_setup_ports(ds);
 }
 

diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 27551c1..d8bb4c8 100644 (file)
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2950,6 +2950,13 @@ static int mv88e6xxx_setup_global(struct mv88e6xxx_priv_state *ps)
        if (err)
                return err;
 
+       /* Disable remote management, and set the switch's DSA device number. */
+       err = _mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2,
+                                  GLOBAL_CONTROL_2_MULTIPLE_CASCADE |
+                                  (ds->index & 0x1f));
+       if (err)
+               return err;
+
        /* Set the default address aging time to 5 minutes, and
         * enable address learn messages to be sent to all message
         * ports.