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-rw-r--r--drivers/net/dsa/mv88e6060.c44
-rw-r--r--drivers/net/dsa/mv88e6060.h11
-rw-r--r--drivers/net/dsa/mv88e6123.c15
-rw-r--r--drivers/net/dsa/mv88e6131.c15
-rw-r--r--drivers/net/dsa/mv88e6171.c15
-rw-r--r--drivers/net/dsa/mv88e6352.c15
-rw-r--r--drivers/net/dsa/mv88e6xxx.c43
-rw-r--r--drivers/net/dsa/mv88e6xxx.h14
8 files changed, 89 insertions, 83 deletions
diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c
index 41195f1417f1..46fe5dc65a99 100644
--- a/drivers/net/dsa/mv88e6060.c
+++ b/drivers/net/dsa/mv88e6060.c
@@ -19,12 +19,9 @@
static int reg_read(struct dsa_switch *ds, int addr, int reg)
{
- struct mii_bus *bus = dsa_host_dev_to_mii_bus(ds->master_dev);
+ struct mv88e6060_priv *priv = ds_to_priv(ds);
- if (bus == NULL)
- return -EINVAL;
-
- return mdiobus_read_nested(bus, ds->pd->sw_addr + addr, reg);
+ return mdiobus_read_nested(priv->bus, priv->sw_addr + addr, reg);
}
#define REG_READ(addr, reg) \
@@ -40,12 +37,9 @@ static int reg_read(struct dsa_switch *ds, int addr, int reg)
static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
{
- struct mii_bus *bus = dsa_host_dev_to_mii_bus(ds->master_dev);
-
- if (bus == NULL)
- return -EINVAL;
+ struct mv88e6060_priv *priv = ds_to_priv(ds);
- return mdiobus_write_nested(bus, ds->pd->sw_addr + addr, reg, val);
+ return mdiobus_write_nested(priv->bus, priv->sw_addr + addr, reg, val);
}
#define REG_WRITE(addr, reg, val) \
@@ -57,16 +51,10 @@ static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
return __ret; \
})
-static char *mv88e6060_probe(struct device *dsa_dev, struct device *host_dev,
- int sw_addr, void **priv)
+static char *mv88e6060_get_name(struct mii_bus *bus, int sw_addr)
{
- struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
int ret;
- *priv = NULL;
- if (bus == NULL)
- return NULL;
-
ret = mdiobus_read(bus, sw_addr + REG_PORT(0), PORT_SWITCH_ID);
if (ret >= 0) {
if (ret == PORT_SWITCH_ID_6060)
@@ -81,6 +69,26 @@ static char *mv88e6060_probe(struct device *dsa_dev, struct device *host_dev,
return NULL;
}
+static char *mv88e6060_probe(struct device *dsa_dev, struct device *host_dev,
+ int sw_addr, void **_priv)
+{
+ struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
+ struct mv88e6060_priv *priv;
+ char *name;
+
+ name = mv88e6060_get_name(bus, sw_addr);
+ if (name) {
+ priv = devm_kzalloc(dsa_dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return NULL;
+ *_priv = priv;
+ priv->bus = bus;
+ priv->sw_addr = sw_addr;
+ }
+
+ return name;
+}
+
static int mv88e6060_switch_reset(struct dsa_switch *ds)
{
int i;
@@ -176,8 +184,8 @@ static int mv88e6060_setup_port(struct dsa_switch *ds, int p)
static int mv88e6060_setup(struct dsa_switch *ds)
{
- int i;
int ret;
+ int i;
ret = mv88e6060_switch_reset(ds);
if (ret < 0)
diff --git a/drivers/net/dsa/mv88e6060.h b/drivers/net/dsa/mv88e6060.h
index cc9b2ed4aff4..10249bd16292 100644
--- a/drivers/net/dsa/mv88e6060.h
+++ b/drivers/net/dsa/mv88e6060.h
@@ -108,4 +108,15 @@
#define GLOBAL_ATU_MAC_23 0x0e
#define GLOBAL_ATU_MAC_45 0x0f
+struct mv88e6060_priv {
+ /* MDIO bus and address on bus to use. When in single chip
+ * mode, address is 0, and the switch uses multiple addresses
+ * on the bus. When in multi-chip mode, the switch uses a
+ * single address which contains two registers used for
+ * indirect access to more registers.
+ */
+ struct mii_bus *bus;
+ int sw_addr;
+};
+
#endif
diff --git a/drivers/net/dsa/mv88e6123.c b/drivers/net/dsa/mv88e6123.c
index bcab3ef22448..8aaac0894752 100644
--- a/drivers/net/dsa/mv88e6123.c
+++ b/drivers/net/dsa/mv88e6123.c
@@ -32,18 +32,9 @@ static const struct mv88e6xxx_switch_id mv88e6123_table[] = {
static char *mv88e6123_probe(struct device *dsa_dev, struct device *host_dev,
int sw_addr, void **priv)
{
- struct mv88e6xxx_priv_state *ps;
- char *name;
-
- name = mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6123_table,
- ARRAY_SIZE(mv88e6123_table));
- if (name) {
- ps = devm_kzalloc(dsa_dev, sizeof(*ps), GFP_KERNEL);
- if (!ps)
- return NULL;
- *priv = ps;
- }
- return name;
+ return mv88e6xxx_drv_probe(dsa_dev, host_dev, sw_addr, priv,
+ mv88e6123_table,
+ ARRAY_SIZE(mv88e6123_table));
}
static int mv88e6123_setup_global(struct dsa_switch *ds)
diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index b9f9b009f65a..9e6edf94a855 100644
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -28,18 +28,9 @@ static const struct mv88e6xxx_switch_id mv88e6131_table[] = {
static char *mv88e6131_probe(struct device *dsa_dev, struct device *host_dev,
int sw_addr, void **priv)
{
- struct mv88e6xxx_priv_state *ps;
- char *name;
-
- name = mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6131_table,
- ARRAY_SIZE(mv88e6131_table));
- if (name) {
- ps = devm_kzalloc(dsa_dev, sizeof(*ps), GFP_KERNEL);
- if (!ps)
- return NULL;
- *priv = ps;
- }
- return name;
+ return mv88e6xxx_drv_probe(dsa_dev, host_dev, sw_addr, priv,
+ mv88e6131_table,
+ ARRAY_SIZE(mv88e6131_table));
}
static int mv88e6131_setup_global(struct dsa_switch *ds)
diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c
index 15200928cecc..6ab86071391f 100644
--- a/drivers/net/dsa/mv88e6171.c
+++ b/drivers/net/dsa/mv88e6171.c
@@ -27,18 +27,9 @@ static const struct mv88e6xxx_switch_id mv88e6171_table[] = {
static char *mv88e6171_probe(struct device *dsa_dev, struct device *host_dev,
int sw_addr, void **priv)
{
- struct mv88e6xxx_priv_state *ps;
- char *name;
-
- name = mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6171_table,
- ARRAY_SIZE(mv88e6171_table));
- if (name) {
- ps = devm_kzalloc(dsa_dev, sizeof(*ps), GFP_KERNEL);
- if (!ps)
- return NULL;
- *priv = ps;
- }
- return name;
+ return mv88e6xxx_drv_probe(dsa_dev, host_dev, sw_addr, priv,
+ mv88e6171_table,
+ ARRAY_SIZE(mv88e6171_table));
}
static int mv88e6171_setup_global(struct dsa_switch *ds)
diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c
index 7081a78a67e1..764b10ffb631 100644
--- a/drivers/net/dsa/mv88e6352.c
+++ b/drivers/net/dsa/mv88e6352.c
@@ -40,18 +40,9 @@ static const struct mv88e6xxx_switch_id mv88e6352_table[] = {
static char *mv88e6352_probe(struct device *dsa_dev, struct device *host_dev,
int sw_addr, void **priv)
{
- struct mv88e6xxx_priv_state *ps;
- char *name;
-
- name = mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6352_table,
- ARRAY_SIZE(mv88e6352_table));
- if (name) {
- ps = devm_kzalloc(dsa_dev, sizeof(*ps), GFP_KERNEL);
- if (!ps)
- return NULL;
- *priv = ps;
- }
- return name;
+ return mv88e6xxx_drv_probe(dsa_dev, host_dev, sw_addr, priv,
+ mv88e6352_table,
+ ARRAY_SIZE(mv88e6352_table));
}
static int mv88e6352_setup_global(struct dsa_switch *ds)
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 085fc4a49eb2..c242ffd8eb09 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -94,15 +94,12 @@ static int __mv88e6xxx_reg_read(struct mii_bus *bus, int sw_addr, int addr,
static int _mv88e6xxx_reg_read(struct dsa_switch *ds, int addr, int reg)
{
- struct mii_bus *bus = dsa_host_dev_to_mii_bus(ds->master_dev);
+ struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int ret;
assert_smi_lock(ds);
- if (bus == NULL)
- return -EINVAL;
-
- ret = __mv88e6xxx_reg_read(bus, ds->pd->sw_addr, addr, reg);
+ ret = __mv88e6xxx_reg_read(ps->bus, ps->sw_addr, addr, reg);
if (ret < 0)
return ret;
@@ -159,17 +156,14 @@ static int __mv88e6xxx_reg_write(struct mii_bus *bus, int sw_addr, int addr,
static int _mv88e6xxx_reg_write(struct dsa_switch *ds, int addr, int reg,
u16 val)
{
- struct mii_bus *bus = dsa_host_dev_to_mii_bus(ds->master_dev);
+ struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
assert_smi_lock(ds);
- if (bus == NULL)
- return -EINVAL;
-
dev_dbg(ds->master_dev, "-> addr: 0x%.2x reg: 0x%.2x val: 0x%.4x\n",
addr, reg, val);
- return __mv88e6xxx_reg_write(bus, ds->pd->sw_addr, addr, reg, val);
+ return __mv88e6xxx_reg_write(ps->bus, ps->sw_addr, addr, reg, val);
}
int mv88e6xxx_reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
@@ -2671,7 +2665,6 @@ int mv88e6xxx_setup_common(struct dsa_switch *ds)
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
ps->ds = ds;
-
mutex_init(&ps->smi_mutex);
ps->id = REG_READ(REG_PORT(0), PORT_SWITCH_ID) & 0xfff0;
@@ -3075,9 +3068,9 @@ int mv88e6xxx_get_temp_alarm(struct dsa_switch *ds, bool *alarm)
}
#endif /* CONFIG_NET_DSA_HWMON */
-char *mv88e6xxx_lookup_name(struct device *host_dev, int sw_addr,
- const struct mv88e6xxx_switch_id *table,
- unsigned int num)
+static char *mv88e6xxx_lookup_name(struct device *host_dev, int sw_addr,
+ const struct mv88e6xxx_switch_id *table,
+ unsigned int num)
{
struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
int i, ret;
@@ -3107,6 +3100,28 @@ char *mv88e6xxx_lookup_name(struct device *host_dev, int sw_addr,
return NULL;
}
+char *mv88e6xxx_drv_probe(struct device *dsa_dev, struct device *host_dev,
+ int sw_addr, void **priv,
+ const struct mv88e6xxx_switch_id *table,
+ unsigned int num)
+{
+ struct mv88e6xxx_priv_state *ps;
+ char *name;
+
+ name = mv88e6xxx_lookup_name(host_dev, sw_addr, table, num);
+ if (name) {
+ ps = devm_kzalloc(dsa_dev, sizeof(*ps), GFP_KERNEL);
+ if (!ps)
+ return NULL;
+ *priv = ps;
+ ps->bus = dsa_host_dev_to_mii_bus(host_dev);
+ if (!ps->bus)
+ return NULL;
+ ps->sw_addr = sw_addr;
+ }
+ return name;
+}
+
static int __init mv88e6xxx_init(void)
{
#if IS_ENABLED(CONFIG_NET_DSA_MV88E6131)
diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
index 0322e3e0e7d9..5d27decc85cb 100644
--- a/drivers/net/dsa/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx.h
@@ -406,6 +406,12 @@ struct mv88e6xxx_priv_state {
*/
struct mutex smi_mutex;
+ /* The MII bus and the address on the bus that is used to
+ * communication with the switch
+ */
+ struct mii_bus *bus;
+ int sw_addr;
+
#ifdef CONFIG_NET_DSA_MV88E6XXX_NEED_PPU
/* Handles automatic disabling and re-enabling of the PHY
* polling unit.
@@ -456,9 +462,11 @@ struct mv88e6xxx_hw_stat {
};
int mv88e6xxx_switch_reset(struct dsa_switch *ds, bool ppu_active);
-char *mv88e6xxx_lookup_name(struct device *host_dev, int sw_addr,
- const struct mv88e6xxx_switch_id *table,
- unsigned int num);
+char *mv88e6xxx_drv_probe(struct device *dsa_dev, struct device *host_dev,
+ int sw_addr, void **priv,
+ const struct mv88e6xxx_switch_id *table,
+ unsigned int num);
+
int mv88e6xxx_setup_ports(struct dsa_switch *ds);
int mv88e6xxx_setup_common(struct dsa_switch *ds);
int mv88e6xxx_setup_global(struct dsa_switch *ds);
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