diff options
| author | Andrew Lunn | 2016-04-13 02:40:42 +0200 |
|---|---|---|
| committer | David S. Miller | 2016-04-14 00:15:23 +0200 |
| commit | a77d43f1e9d59791b138b9903c58b89fffb0df97 (patch) | |
| tree | d878967d148d62ceb9739bc4e5a9fdd63b363559 /drivers/net/dsa/mv88e6060.c | |
| parent | net: dsa: Remove allocation of driver private memory (diff) | |
| download | kernel-qcow2-linux-a77d43f1e9d59791b138b9903c58b89fffb0df97.tar.gz kernel-qcow2-linux-a77d43f1e9d59791b138b9903c58b89fffb0df97.tar.xz kernel-qcow2-linux-a77d43f1e9d59791b138b9903c58b89fffb0df97.zip | |
net: dsa: Keep the mii bus and address in the private structure
Rather than looking up the mii bus and address every time, do it once
at probe, and keep it in the private structure. Centralise this probe
code in mv88e6xxx.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6060.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6060.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c index 41195f1417f1..46fe5dc65a99 100644 --- a/drivers/net/dsa/mv88e6060.c +++ b/drivers/net/dsa/mv88e6060.c @@ -19,12 +19,9 @@ static int reg_read(struct dsa_switch *ds, int addr, int reg) { - struct mii_bus *bus = dsa_host_dev_to_mii_bus(ds->master_dev); + struct mv88e6060_priv *priv = ds_to_priv(ds); - if (bus == NULL) - return -EINVAL; - - return mdiobus_read_nested(bus, ds->pd->sw_addr + addr, reg); + return mdiobus_read_nested(priv->bus, priv->sw_addr + addr, reg); } #define REG_READ(addr, reg) \ @@ -40,12 +37,9 @@ static int reg_read(struct dsa_switch *ds, int addr, int reg) static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val) { - struct mii_bus *bus = dsa_host_dev_to_mii_bus(ds->master_dev); - - if (bus == NULL) - return -EINVAL; + struct mv88e6060_priv *priv = ds_to_priv(ds); - return mdiobus_write_nested(bus, ds->pd->sw_addr + addr, reg, val); + return mdiobus_write_nested(priv->bus, priv->sw_addr + addr, reg, val); } #define REG_WRITE(addr, reg, val) \ @@ -57,16 +51,10 @@ static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val) return __ret; \ }) -static char *mv88e6060_probe(struct device *dsa_dev, struct device *host_dev, - int sw_addr, void **priv) +static char *mv88e6060_get_name(struct mii_bus *bus, int sw_addr) { - struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev); int ret; - *priv = NULL; - if (bus == NULL) - return NULL; - ret = mdiobus_read(bus, sw_addr + REG_PORT(0), PORT_SWITCH_ID); if (ret >= 0) { if (ret == PORT_SWITCH_ID_6060) @@ -81,6 +69,26 @@ static char *mv88e6060_probe(struct device *dsa_dev, struct device *host_dev, return NULL; } +static char *mv88e6060_probe(struct device *dsa_dev, struct device *host_dev, + int sw_addr, void **_priv) +{ + struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev); + struct mv88e6060_priv *priv; + char *name; + + name = mv88e6060_get_name(bus, sw_addr); + if (name) { + priv = devm_kzalloc(dsa_dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return NULL; + *_priv = priv; + priv->bus = bus; + priv->sw_addr = sw_addr; + } + + return name; +} + static int mv88e6060_switch_reset(struct dsa_switch *ds) { int i; @@ -176,8 +184,8 @@ static int mv88e6060_setup_port(struct dsa_switch *ds, int p) static int mv88e6060_setup(struct dsa_switch *ds) { - int i; int ret; + int i; ret = mv88e6060_switch_reset(ds); if (ret < 0) |