diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2015-04-02 04:06:33 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-04-02 04:55:40 +0200 |
| commit | 44e50ddbc74a4bd6a862be9e6de22bce8c0b4150 (patch) | |
| tree | 924eef387293c87024a27716e711c5649c211ed9 /drivers/net/dsa/mv88e6171.c | |
| parent | net: dsa: mv88e6123_61_65: Determine and use number of switch ports (diff) | |
| download | linux-44e50ddbc74a4bd6a862be9e6de22bce8c0b4150.tar.xz linux-44e50ddbc74a4bd6a862be9e6de22bce8c0b4150.zip | |
net: dsa: Consistently set and use ps->num_ports
As a step towards consolidating code, consistently set the
number of ports in the private state structure, and make use of it in
loops.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6171.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6171.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c index 639bd83b76c7..5a295533ff20 100644 --- a/drivers/net/dsa/mv88e6171.c +++ b/drivers/net/dsa/mv88e6171.c @@ -38,12 +38,13 @@ static char *mv88e6171_probe(struct device *host_dev, int sw_addr) static int mv88e6171_switch_reset(struct dsa_switch *ds) { + struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); int i; int ret; unsigned long timeout; /* Set all ports to the disabled state. */ - for (i = 0; i < 8; i++) { + for (i = 0; i < ps->num_ports; i++) { ret = REG_READ(REG_PORT(i), 0x04); REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc); } @@ -70,7 +71,7 @@ static int mv88e6171_switch_reset(struct dsa_switch *ds) return -ETIMEDOUT; /* Enable ports not under DSA, e.g. WAN port */ - for (i = 0; i < 8; i++) { + for (i = 0; i < ps->num_ports; i++) { if (dsa_is_cpu_port(ds, i) || ds->phys_port_mask & (1 << i)) continue; @@ -83,6 +84,7 @@ static int mv88e6171_switch_reset(struct dsa_switch *ds) static int mv88e6171_setup_global(struct dsa_switch *ds) { + struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); int ret; int i; @@ -147,7 +149,7 @@ static int mv88e6171_setup_global(struct dsa_switch *ds) } /* Clear all trunk masks. */ - for (i = 0; i < 8; i++) + for (i = 0; i < ps->num_ports; i++) REG_WRITE(REG_GLOBAL2, 0x07, 0x8000 | (i << 12) | 0xff); /* Clear all trunk mappings. */ @@ -270,6 +272,7 @@ static int mv88e6171_setup_port(struct dsa_switch *ds, int p) static int mv88e6171_setup(struct dsa_switch *ds) { + struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); int i; int ret; @@ -277,6 +280,8 @@ static int mv88e6171_setup(struct dsa_switch *ds) if (ret < 0) return ret; + ps->num_ports = 7; + ret = mv88e6171_switch_reset(ds); if (ret < 0) return ret; @@ -287,7 +292,7 @@ static int mv88e6171_setup(struct dsa_switch *ds) if (ret < 0) return ret; - for (i = 0; i < 8; i++) { + for (i = 0; i < ps->num_ports; i++) { if (!(dsa_is_cpu_port(ds, i) || ds->phys_port_mask & (1 << i))) continue; @@ -299,9 +304,11 @@ static int mv88e6171_setup(struct dsa_switch *ds) return 0; } -static int mv88e6171_port_to_phy_addr(int port) +static int mv88e6171_port_to_phy_addr(struct dsa_switch *ds, int port) { - if (port >= 0 && port <= 4) + struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); + + if (port >= 0 && port < ps->num_ports) return port; return -1; } @@ -310,7 +317,7 @@ static int mv88e6171_phy_read(struct dsa_switch *ds, int port, int regnum) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int addr = mv88e6171_port_to_phy_addr(port); + int addr = mv88e6171_port_to_phy_addr(ds, port); int ret; mutex_lock(&ps->phy_mutex); @@ -324,7 +331,7 @@ mv88e6171_phy_write(struct dsa_switch *ds, int port, int regnum, u16 val) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int addr = mv88e6171_port_to_phy_addr(port); + int addr = mv88e6171_port_to_phy_addr(ds, port); int ret; mutex_lock(&ps->phy_mutex); |