diff options
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx.c | 43 |
1 files changed, 24 insertions, 19 deletions
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index bf455f9abf8b..25e103c5ed16 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -1047,6 +1047,29 @@ static int _mv88e6xxx_atu_cmd(struct dsa_switch *ds, u16 cmd) return _mv88e6xxx_atu_wait(ds); } +static int _mv88e6xxx_atu_data_write(struct dsa_switch *ds, + struct mv88e6xxx_atu_entry *entry) +{ + u16 data = entry->state & GLOBAL_ATU_DATA_STATE_MASK; + + if (entry->state != GLOBAL_ATU_DATA_STATE_UNUSED) { + unsigned int mask, shift; + + if (entry->trunk) { + data |= GLOBAL_ATU_DATA_TRUNK; + mask = GLOBAL_ATU_DATA_TRUNK_ID_MASK; + shift = GLOBAL_ATU_DATA_TRUNK_ID_SHIFT; + } else { + mask = GLOBAL_ATU_DATA_PORT_VECTOR_MASK; + shift = GLOBAL_ATU_DATA_PORT_VECTOR_SHIFT; + } + + data |= (entry->portv_trunkid << shift) & mask; + } + + return _mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_ATU_DATA, data); +} + static int _mv88e6xxx_flush_fid(struct dsa_switch *ds, int fid) { int ret; @@ -1761,7 +1784,6 @@ static int _mv88e6xxx_atu_mac_read(struct dsa_switch *ds, unsigned char *addr) static int _mv88e6xxx_atu_load(struct dsa_switch *ds, struct mv88e6xxx_atu_entry *entry) { - u16 reg = 0; int ret; ret = _mv88e6xxx_atu_wait(ds); @@ -1772,24 +1794,7 @@ static int _mv88e6xxx_atu_load(struct dsa_switch *ds, if (ret < 0) return ret; - if (entry->state != GLOBAL_ATU_DATA_STATE_UNUSED) { - unsigned int mask, shift; - - if (entry->trunk) { - reg |= GLOBAL_ATU_DATA_TRUNK; - mask = GLOBAL_ATU_DATA_TRUNK_ID_MASK; - shift = GLOBAL_ATU_DATA_TRUNK_ID_SHIFT; - } else { - mask = GLOBAL_ATU_DATA_PORT_VECTOR_MASK; - shift = GLOBAL_ATU_DATA_PORT_VECTOR_SHIFT; - } - - reg |= (entry->portv_trunkid << shift) & mask; - } - - reg |= entry->state & GLOBAL_ATU_DATA_STATE_MASK; - - ret = _mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_ATU_DATA, reg); + ret = _mv88e6xxx_atu_data_write(ds, entry); if (ret < 0) return ret; |