net: dsa: Pass the dsa device to the switch drivers

By passing a device structure to the switch devices, it allows them
to use devm_* methods for resource management.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/bcm_sf2.c

@@ -135,7 +135,8 @@ static int bcm_sf2_sw_get_sset_count(struct dsa_switch *ds)
 	return BCM_SF2_STATS_SIZE;
 }
 
-static char *bcm_sf2_sw_probe(struct device *host_dev, int sw_addr)
+static char *bcm_sf2_sw_probe(struct device *dsa_dev, struct device *host_dev,
+			      int sw_addr)
 {
 	return "Broadcom Starfighter 2";
 }

drivers/net/dsa/mv88e6060.c

@@ -57,7 +57,8 @@ static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
 			return __ret;				\
 	})
 
-static char *mv88e6060_probe(struct device *host_dev, int sw_addr)
+static char *mv88e6060_probe(struct device *dsa_dev, struct device *host_dev,
+			     int sw_addr)
 {
 	struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
 	int ret;

drivers/net/dsa/mv88e6123.c

@@ -29,7 +29,8 @@ static const struct mv88e6xxx_switch_id mv88e6123_table[] = {
 	{ PORT_SWITCH_ID_6165_A2, "Marvell 88e6165 (A2)" },
 };
 
-static char *mv88e6123_probe(struct device *host_dev, int sw_addr)
+static char *mv88e6123_probe(struct device *dsa_dev, struct device *host_dev,
+			     int sw_addr)
 {
 	return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6123_table,
 				     ARRAY_SIZE(mv88e6123_table));

drivers/net/dsa/mv88e6131.c

@@ -25,7 +25,8 @@ static const struct mv88e6xxx_switch_id mv88e6131_table[] = {
 	{ PORT_SWITCH_ID_6185, "Marvell 88E6185" },
 };
 
-static char *mv88e6131_probe(struct device *host_dev, int sw_addr)
+static char *mv88e6131_probe(struct device *dsa_dev, struct device *host_dev,
+			     int sw_addr)
 {
 	return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6131_table,
 				     ARRAY_SIZE(mv88e6131_table));

drivers/net/dsa/mv88e6171.c

@@ -24,7 +24,8 @@ static const struct mv88e6xxx_switch_id mv88e6171_table[] = {
 	{ PORT_SWITCH_ID_6351, "Marvell 88E6351" },
 };
 
-static char *mv88e6171_probe(struct device *host_dev, int sw_addr)
+static char *mv88e6171_probe(struct device *dsa_dev, struct device *host_dev,
+			     int sw_addr)
 {
 	return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6171_table,
 				     ARRAY_SIZE(mv88e6171_table));

drivers/net/dsa/mv88e6352.c

@@ -37,7 +37,8 @@ static const struct mv88e6xxx_switch_id mv88e6352_table[] = {
 	{ PORT_SWITCH_ID_6352_A1, "Marvell 88E6352 (A1)" },
 };
 
-static char *mv88e6352_probe(struct device *host_dev, int sw_addr)
+static char *mv88e6352_probe(struct device *dsa_dev, struct device *host_dev,
+			     int sw_addr)
 {
 	return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6352_table,
 				     ARRAY_SIZE(mv88e6352_table));

include/net/dsa.h

@@ -212,7 +212,8 @@ struct dsa_switch_driver {
 	/*
 	 * Probing and setup.
 	 */
-	char	*(*probe)(struct device *host_dev, int sw_addr);
+	char	*(*probe)(struct device *dsa_dev, struct device *host_dev,
+			  int sw_addr);
 	int	(*setup)(struct dsa_switch *ds);
 	int	(*set_addr)(struct dsa_switch *ds, u8 *addr);
 	u32	(*get_phy_flags)(struct dsa_switch *ds, int port);

net/dsa/dsa.c

@@ -51,7 +51,8 @@ void unregister_switch_driver(struct dsa_switch_driver *drv)
 EXPORT_SYMBOL_GPL(unregister_switch_driver);
 
 static struct dsa_switch_driver *
-dsa_switch_probe(struct device *host_dev, int sw_addr, char **_name)
+dsa_switch_probe(struct device *parent, struct device *host_dev, int sw_addr,
+		 char **_name)
 {
 	struct dsa_switch_driver *ret;
 	struct list_head *list;
@@ -66,7 +67,7 @@ dsa_switch_probe(struct device *host_dev, int sw_addr, char **_name)
 
 		drv = list_entry(list, struct dsa_switch_driver, list);
 
-		name = drv->probe(host_dev, sw_addr);
+		name = drv->probe(parent, host_dev, sw_addr);
 		if (name != NULL) {
 			ret = drv;
 			break;
@@ -387,7 +388,7 @@ dsa_switch_setup(struct dsa_switch_tree *dst, int index,
 	/*
 	 * Probe for switch model.
 	 */
-	drv = dsa_switch_probe(host_dev, pd->sw_addr, &name);
+	drv = dsa_switch_probe(parent, host_dev, pd->sw_addr, &name);
 	if (drv == NULL) {
 		netdev_err(dst->master_netdev, "[%d]: could not detect attached switch\n",
 			   index);