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dsa: mv88e6xxx: Use bus in mv88e6xxx_lookup_name()

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mv88e6xxx_lookup_name() returns the model name of a switch at a given
address on an MII bus. Using mii_bus to identify the bus rather than
the host device is more logical, so change the parameter.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2016-04-13 02:40:45 +02:00 committed by David S. Miller
parent 74c3e2a54b
commit c156913b5d
1 changed files with 8 additions and 4 deletions
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12
drivers/net/dsa/mv88e6xxx.c
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@ -3068,11 +3068,10 @@ int mv88e6xxx_get_temp_alarm(struct dsa_switch *ds, bool *alarm)
}
#endif /* CONFIG_NET_DSA_HWMON */
static char *mv88e6xxx_lookup_name(struct device *host_dev, int sw_addr,
static char *mv88e6xxx_lookup_name(struct mii_bus *bus, 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;
if (!bus)
@ -3090,7 +3089,8 @@ static char *mv88e6xxx_lookup_name(struct device *host_dev, int sw_addr,
/* Look up only the product number */
for (i = 0; i < num; ++i) {
if (table[i].id == (ret & PORT_SWITCH_ID_PROD_NUM_MASK)) {
dev_warn(host_dev, "unknown revision %d, using base switch 0x%x\n",
dev_warn(&bus->dev,
"unknown revision %d, using base switch 0x%x\n",
ret & PORT_SWITCH_ID_REV_MASK,
ret & PORT_SWITCH_ID_PROD_NUM_MASK);
return table[i].name;
@ -3106,9 +3106,13 @@ char *mv88e6xxx_drv_probe(struct device *dsa_dev, struct device *host_dev,
unsigned int num)
{
struct mv88e6xxx_priv_state *ps;
struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
char *name;
name = mv88e6xxx_lookup_name(host_dev, sw_addr, table, num);
if (!bus)
return NULL;
name = mv88e6xxx_lookup_name(bus, sw_addr, table, num);
if (name) {
ps = devm_kzalloc(dsa_dev, sizeof(*ps), GFP_KERNEL);
if (!ps)