diff mbox series

[net-next,2/7] net: dsa: add port parse functions

Message ID 20171027195519.5931-3-vivien.didelot@savoirfairelinux.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series net: dsa: add port parsing functions | expand

Commit Message

Vivien Didelot Oct. 27, 2017, 7:55 p.m. UTC 
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>
---
 net/dsa/dsa2.c | 37 ++++++++++++++++++++++++++++++++++---
 1 file changed, 34 insertions(+), 3 deletions(-)

Comments

Florian Fainelli Oct. 30, 2017, 6:37 p.m. UTC | #1 
On 10/27/2017 12:55 PM, Vivien Didelot wrote:
> 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>
diff mbox series

Patch

diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 26d2ff013eb1..9b75d19d57cb 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -589,9 +589,17 @@  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;
 
@@ -609,22 +617,45 @@  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;
 	}