diff options
Diffstat (limited to 'drivers/net/dsa/b53/b53_common.c')
| -rw-r--r-- | drivers/net/dsa/b53/b53_common.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index aa2187c71ea5..491e4ffa8a0e 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1531,6 +1531,69 @@ void b53_mirror_del(struct dsa_switch *ds, int port, } EXPORT_SYMBOL(b53_mirror_del); +void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable) +{ + struct b53_device *dev = ds->priv; + u16 reg; + + b53_read16(dev, B53_EEE_PAGE, B53_EEE_EN_CTRL, ®); + if (enable) + reg |= BIT(port); + else + reg &= ~BIT(port); + b53_write16(dev, B53_EEE_PAGE, B53_EEE_EN_CTRL, reg); +} +EXPORT_SYMBOL(b53_eee_enable_set); + + +/* Returns 0 if EEE was not enabled, or 1 otherwise + */ +int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy) +{ + int ret; + + ret = phy_init_eee(phy, 0); + if (ret) + return 0; + + b53_eee_enable_set(ds, port, true); + + return 1; +} +EXPORT_SYMBOL(b53_eee_init); + +int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e) +{ + struct b53_device *dev = ds->priv; + struct ethtool_eee *p = &dev->ports[port].eee; + u16 reg; + + if (is5325(dev) || is5365(dev)) + return -EOPNOTSUPP; + + b53_read16(dev, B53_EEE_PAGE, B53_EEE_LPI_INDICATE, ®); + e->eee_enabled = p->eee_enabled; + e->eee_active = !!(reg & BIT(port)); + + return 0; +} +EXPORT_SYMBOL(b53_get_mac_eee); + +int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e) +{ + struct b53_device *dev = ds->priv; + struct ethtool_eee *p = &dev->ports[port].eee; + + if (is5325(dev) || is5365(dev)) + return -EOPNOTSUPP; + + p->eee_enabled = e->eee_enabled; + b53_eee_enable_set(ds, port, e->eee_enabled); + + return 0; +} +EXPORT_SYMBOL(b53_set_mac_eee); + static const struct dsa_switch_ops b53_switch_ops = { .get_tag_protocol = b53_get_tag_protocol, .setup = b53_setup, |
