diff options
Diffstat (limited to 'kernel/drivers/of/of_mdio.c')
| -rw-r--r-- | kernel/drivers/of/of_mdio.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/kernel/drivers/of/of_mdio.c b/kernel/drivers/of/of_mdio.c index 0c064485d..bec8ec2b3 100644 --- a/kernel/drivers/of/of_mdio.c +++ b/kernel/drivers/of/of_mdio.c @@ -263,7 +263,8 @@ EXPORT_SYMBOL(of_phy_attach); bool of_phy_is_fixed_link(struct device_node *np) { struct device_node *dn; - int len; + int len, err; + const char *managed; /* New binding */ dn = of_get_child_by_name(np, "fixed-link"); @@ -272,6 +273,10 @@ bool of_phy_is_fixed_link(struct device_node *np) return true; } + err = of_property_read_string(np, "managed", &managed); + if (err == 0 && strcmp(managed, "auto") != 0) + return true; + /* Old binding */ if (of_get_property(np, "fixed-link", &len) && len == (5 * sizeof(__be32))) @@ -286,8 +291,18 @@ int of_phy_register_fixed_link(struct device_node *np) struct fixed_phy_status status = {}; struct device_node *fixed_link_node; const __be32 *fixed_link_prop; - int len; + int len, err; struct phy_device *phy; + const char *managed; + + err = of_property_read_string(np, "managed", &managed); + if (err == 0) { + if (strcmp(managed, "in-band-status") == 0) { + /* status is zeroed, namely its .link member */ + phy = fixed_phy_register(PHY_POLL, &status, np); + return IS_ERR(phy) ? PTR_ERR(phy) : 0; + } + } /* New binding */ fixed_link_node = of_get_child_by_name(np, "fixed-link"); |