static inline bool tmc_etr_can_use_sg(struct tmc_drvdata *drvdata)
{
return fwnode_property_present(drvdata->dev->fwnode,
"arm,scatter-gather");
}
/**
* device_property_present - check if a property of a device is present
* @dev: Device whose property is being checked
* @propname: Name of the property
*
* Check if property @propname is present in the device firmware description.
*/
bool device_property_present(struct device *dev, const char *propname)
{
return fwnode_property_present(dev_fwnode(dev), propname);
}
static int phylink_parse_mode(struct phylink *pl, struct fwnode_handle *fwnode)
{
struct fwnode_handle *dn;
const char *managed;
dn = fwnode_get_named_child_node(fwnode, "fixed-link");
if (dn || fwnode_property_present(fwnode, "fixed-link"))
pl->link_an_mode = MLO_AN_FIXED;
fwnode_handle_put(dn);
if (fwnode_property_read_string(fwnode, "managed", &managed) == 0 &&
strcmp(managed, "in-band-status") == 0) {
if (pl->link_an_mode == MLO_AN_FIXED) {
netdev_err(pl->netdev,
"can't use both fixed-link and in-band-status\n");
return -EINVAL;
}
linkmode_zero(pl->supported);
phylink_set(pl->supported, MII);
phylink_set(pl->supported, Autoneg);
phylink_set(pl->supported, Asym_Pause);
phylink_set(pl->supported, Pause);
pl->link_config.an_enabled = true;
pl->link_an_mode = MLO_AN_INBAND;
switch (pl->link_config.interface) {
case PHY_INTERFACE_MODE_SGMII:
phylink_set(pl->supported, 10baseT_Half);
phylink_set(pl->supported, 10baseT_Full);
phylink_set(pl->supported, 100baseT_Half);
phylink_set(pl->supported, 100baseT_Full);
phylink_set(pl->supported, 1000baseT_Half);
phylink_set(pl->supported, 1000baseT_Full);
break;
case PHY_INTERFACE_MODE_1000BASEX:
phylink_set(pl->supported, 1000baseX_Full);
break;
case PHY_INTERFACE_MODE_2500BASEX:
phylink_set(pl->supported, 2500baseX_Full);
break;
case PHY_INTERFACE_MODE_10GKR:
phylink_set(pl->supported, 10baseT_Half);
phylink_set(pl->supported, 10baseT_Full);
phylink_set(pl->supported, 100baseT_Half);
phylink_set(pl->supported, 100baseT_Full);
phylink_set(pl->supported, 1000baseT_Half);
phylink_set(pl->supported, 1000baseT_Full);
phylink_set(pl->supported, 1000baseX_Full);
phylink_set(pl->supported, 10000baseKR_Full);
phylink_set(pl->supported, 10000baseCR_Full);
phylink_set(pl->supported, 10000baseSR_Full);
phylink_set(pl->supported, 10000baseLR_Full);
phylink_set(pl->supported, 10000baseLRM_Full);
phylink_set(pl->supported, 10000baseER_Full);
break;
default:
netdev_err(pl->netdev,
"incorrect link mode %s for in-band status\n",
phy_modes(pl->link_config.interface));
return -EINVAL;
}
linkmode_copy(pl->link_config.advertising, pl->supported);
if (phylink_validate(pl, pl->supported, &pl->link_config)) {
netdev_err(pl->netdev,
"failed to validate link configuration for in-band status\n");
return -EINVAL;
}
}
return 0;
}