}
static char *bcm_sf2_sw_probe(struct device *dsa_dev, struct device *host_dev,
- int sw_addr)
+ int sw_addr, void **_priv)
{
+ struct bcm_sf2_priv *priv;
+
+ priv = devm_kzalloc(dsa_dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return NULL;
+ *_priv = priv;
+
return "Broadcom Starfighter 2";
}
static struct dsa_switch_driver bcm_sf2_switch_driver = {
.tag_protocol = DSA_TAG_PROTO_BRCM,
- .priv_size = sizeof(struct bcm_sf2_priv),
.probe = bcm_sf2_sw_probe,
.setup = bcm_sf2_sw_setup,
.set_addr = bcm_sf2_sw_set_addr,
})
static char *mv88e6060_probe(struct device *dsa_dev, struct device *host_dev,
- int sw_addr)
+ int sw_addr, void **priv)
{
struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
int ret;
+ *priv = NULL;
if (bus == NULL)
return NULL;
};
static char *mv88e6123_probe(struct device *dsa_dev, struct device *host_dev,
- int sw_addr)
+ int sw_addr, void **priv)
{
- return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6123_table,
+ 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;
}
static int mv88e6123_setup_global(struct dsa_switch *ds)
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int ret;
+ ps->ds = ds;
+
ret = mv88e6xxx_setup_common(ds);
if (ret < 0)
return ret;
struct dsa_switch_driver mv88e6123_switch_driver = {
.tag_protocol = DSA_TAG_PROTO_EDSA,
- .priv_size = sizeof(struct mv88e6xxx_priv_state),
.probe = mv88e6123_probe,
.setup = mv88e6123_setup,
.set_addr = mv88e6xxx_set_addr_indirect,
};
static char *mv88e6131_probe(struct device *dsa_dev, struct device *host_dev,
- int sw_addr)
+ int sw_addr, void **priv)
{
- return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6131_table,
+ 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;
}
static int mv88e6131_setup_global(struct dsa_switch *ds)
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int ret;
+ ps->ds = ds;
+
ret = mv88e6xxx_setup_common(ds);
if (ret < 0)
return ret;
struct dsa_switch_driver mv88e6131_switch_driver = {
.tag_protocol = DSA_TAG_PROTO_DSA,
- .priv_size = sizeof(struct mv88e6xxx_priv_state),
.probe = mv88e6131_probe,
.setup = mv88e6131_setup,
.set_addr = mv88e6xxx_set_addr_direct,
};
static char *mv88e6171_probe(struct device *dsa_dev, struct device *host_dev,
- int sw_addr)
+ int sw_addr, void **priv)
{
- return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6171_table,
+ 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;
}
static int mv88e6171_setup_global(struct dsa_switch *ds)
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int ret;
+ ps->ds = ds;
+
ret = mv88e6xxx_setup_common(ds);
if (ret < 0)
return ret;
struct dsa_switch_driver mv88e6171_switch_driver = {
.tag_protocol = DSA_TAG_PROTO_EDSA,
- .priv_size = sizeof(struct mv88e6xxx_priv_state),
.probe = mv88e6171_probe,
.setup = mv88e6171_setup,
.set_addr = mv88e6xxx_set_addr_indirect,
};
static char *mv88e6352_probe(struct device *dsa_dev, struct device *host_dev,
- int sw_addr)
+ int sw_addr, void **priv)
{
- return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6352_table,
+ 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;
}
static int mv88e6352_setup_global(struct dsa_switch *ds)
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int ret;
+ ps->ds = ds;
+
ret = mv88e6xxx_setup_common(ds);
if (ret < 0)
return ret;
struct dsa_switch_driver mv88e6352_switch_driver = {
.tag_protocol = DSA_TAG_PROTO_EDSA,
- .priv_size = sizeof(struct mv88e6xxx_priv_state),
.probe = mv88e6352_probe,
.setup = mv88e6352_setup,
.set_addr = mv88e6xxx_set_addr_indirect,
ps = container_of(ugly, struct mv88e6xxx_priv_state, ppu_work);
if (mutex_trylock(&ps->ppu_mutex)) {
- struct dsa_switch *ds = ((struct dsa_switch *)ps) - 1;
+ struct dsa_switch *ds = ps->ds;
if (mv88e6xxx_ppu_enable(ds) == 0)
ps->ppu_disabled = 0;
int port;
ps = container_of(work, struct mv88e6xxx_priv_state, bridge_work);
- ds = ((struct dsa_switch *)ps) - 1;
+ ds = ps->ds;
mutex_lock(&ps->smi_mutex);
{
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;
};
struct mv88e6xxx_priv_state {
+ /* The dsa_switch this private structure is related to */
+ struct dsa_switch *ds;
+
/* When using multi-chip addressing, this mutex protects
* access to the indirect access registers. (In single-chip
* mode, this mutex is effectively useless.)
int index;
/*
+ * Give the switch driver somewhere to hang its private data
+ * structure.
+ */
+ void *priv;
+
+ /*
* Tagging protocol understood by this switch
*/
enum dsa_tag_protocol tag_protocol;
* Probing and setup.
*/
char *(*probe)(struct device *dsa_dev, struct device *host_dev,
- int sw_addr);
+ int sw_addr, void **priv);
int (*setup)(struct dsa_switch *ds);
int (*set_addr)(struct dsa_switch *ds, u8 *addr);
u32 (*get_phy_flags)(struct dsa_switch *ds, int port);
static inline void *ds_to_priv(struct dsa_switch *ds)
{
- return (void *)(ds + 1);
+ return ds->priv;
}
static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst)
static struct dsa_switch_driver *
dsa_switch_probe(struct device *parent, struct device *host_dev, int sw_addr,
- char **_name)
+ char **_name, void **priv)
{
struct dsa_switch_driver *ret;
struct list_head *list;
drv = list_entry(list, struct dsa_switch_driver, list);
- name = drv->probe(parent, host_dev, sw_addr);
+ name = drv->probe(parent, host_dev, sw_addr, priv);
if (name != NULL) {
ret = drv;
break;
struct dsa_switch *ds;
int ret;
char *name;
+ void *priv;
/*
* Probe for switch model.
*/
- drv = dsa_switch_probe(parent, host_dev, pd->sw_addr, &name);
+ drv = dsa_switch_probe(parent, host_dev, pd->sw_addr, &name, &priv);
if (drv == NULL) {
netdev_err(dst->master_netdev, "[%d]: could not detect attached switch\n",
index);
ds->index = index;
ds->pd = pd;
ds->drv = drv;
+ ds->priv = priv;
ds->tag_protocol = drv->tag_protocol;
ds->master_dev = host_dev;