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net: dsa: Consistently set and use ps->num_ports

Browse Source 
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>
This commit is contained in:
Andrew Lunn 2015-04-02 04:06:33 +02:00 committed by David S. Miller
parent 14ef6ad22a
commit 44e50ddbc7
2 changed files with 22 additions and 11 deletions
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23
drivers/net/dsa/mv88e6171.c
View File

@ -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);

10
drivers/net/dsa/mv88e6352.c
View File

@ -47,12 +47,13 @@ static char *mv88e6352_probe(struct device *host_dev, int sw_addr)
static int mv88e6352_switch_reset(struct dsa_switch *ds)
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
unsigned long timeout;
int ret;
int i;
/* Set all ports to the disabled state. */
for (i = 0; i < 7; i++) {
for (i = 0; i < ps->num_ports; i++) {
ret = REG_READ(REG_PORT(i), 0x04);
REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc);
}
@ -82,6 +83,7 @@ static int mv88e6352_switch_reset(struct dsa_switch *ds)
static int mv88e6352_setup_global(struct dsa_switch *ds)
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int ret;
int i;
@ -152,7 +154,7 @@ static int mv88e6352_setup_global(struct dsa_switch *ds)
/* Disable ingress rate limiting by resetting all ingress
* rate limit registers to their initial state.
*/
for (i = 0; i < 7; i++)
for (i = 0; i < ps->num_ports; i++)
REG_WRITE(REG_GLOBAL2, 0x09, 0x9000 | (i << 8));
/* Initialise cross-chip port VLAN table to reset defaults. */
@ -367,6 +369,8 @@ static int mv88e6352_setup(struct dsa_switch *ds)
if (ret < 0)
return ret;
ps->num_ports = 7;
mutex_init(&ps->eeprom_mutex);
ret = mv88e6352_switch_reset(ds);
@ -379,7 +383,7 @@ static int mv88e6352_setup(struct dsa_switch *ds)
if (ret < 0)
return ret;
for (i = 0; i < 7; i++) {
for (i = 0; i < ps->num_ports; i++) {
ret = mv88e6352_setup_port(ds, i);
if (ret < 0)
return ret;