diff options
| author | Vivien Didelot <vivien.didelot@savoirfairelinux.com> | 2017-10-27 22:55:14 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-01 05:47:03 +0300 |
| commit | fd223e2e66eb076b5dda586db9a5a3c99f76f99a (patch) | |
| tree | 4b7e73df61eb1f13c3ba39a01781a28c01e017e9 /net/dsa | |
| parent | 5b32fe070c2ddf31adc42c26dab8af346b652538 (diff) | |
| download | linux-fd223e2e66eb076b5dda586db9a5a3c99f76f99a.tar.xz | |
net: dsa: add port parse functions
Add symmetrical DSA port parsing functions for pdata and device tree,
used to parse and validate a given port node or platform data.
They don't do much for the moment but will be extended later on to
assign a port type and get device references.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa')
| -rw-r--r-- | net/dsa/dsa2.c | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index 9d57f8dee9a1..a0ee91cd3814 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -590,9 +590,17 @@ static int dsa_dst_parse(struct dsa_switch_tree *dst) return 0; } +static int dsa_port_parse_of(struct dsa_port *dp, struct device_node *dn) +{ + dp->dn = dn; + + return 0; +} + static int dsa_parse_ports_of(struct device_node *dn, struct dsa_switch *ds) { struct device_node *ports, *port; + struct dsa_port *dp; u32 reg; int err; @@ -610,22 +618,45 @@ static int dsa_parse_ports_of(struct device_node *dn, struct dsa_switch *ds) if (reg >= ds->num_ports) return -EINVAL; - ds->ports[reg].dn = port; + dp = &ds->ports[reg]; + + err = dsa_port_parse_of(dp, port); + if (err) + return err; } return 0; } +static int dsa_port_parse(struct dsa_port *dp, const char *name, + struct device *dev) +{ + dp->name = name; + + return 0; +} + static int dsa_parse_ports(struct dsa_chip_data *cd, struct dsa_switch *ds) { bool valid_name_found = false; + struct dsa_port *dp; + struct device *dev; + const char *name; unsigned int i; + int err; for (i = 0; i < DSA_MAX_PORTS; i++) { - if (!cd->port_names[i]) + name = cd->port_names[i]; + dev = cd->netdev[i]; + dp = &ds->ports[i]; + + if (!name) continue; - ds->ports[i].name = cd->port_names[i]; + err = dsa_port_parse(dp, name, dev); + if (err) + return err; + valid_name_found = true; } |