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
--- a/drivers/net/dsa/mv88e6123.c
+++ b/drivers/net/dsa/mv88e6123.c
@@ -51,17 +51,6 @@
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 @@
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
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -61,22 +61,6 @@
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
--- a/drivers/net/dsa/mv88e6171.c
+++ b/drivers/net/dsa/mv88e6171.c
@@ -58,17 +58,6 @@
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 @@
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
--- a/drivers/net/dsa/mv88e6352.c
+++ b/drivers/net/dsa/mv88e6352.c
@@ -77,16 +77,6 @@
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 @@
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
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2950,6 +2950,13 @@
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.