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Commit eb755c3f authored by Andrew Lunn's avatar Andrew Lunn Committed by David S. Miller
Browse files

net: dsa: mv88e6xxx: Add helper to determining if port has SERDES 



Refactor the existing code. This helper will be used for SERDES
statistics.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Tested-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 436fe17d

drivers/net/dsa/mv88e6xxx/serdes.c

+17 −5
Original line number Diff line number Diff line
@@ -55,18 +55,30 @@ static int mv88e6352_serdes_power_set(struct mv88e6xxx_chip *chip, bool on) 
	return err;

}



int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, bool on)

static bool mv88e6352_port_has_serdes(struct mv88e6xxx_chip *chip, int port)

{

	int err;

	u8 cmode;

	int err;



	err = mv88e6xxx_port_get_cmode(chip, port, &cmode);

	if (err)

		return err;

	if (err) {

		dev_err(chip->dev, "failed to read cmode\n");

		return 0;

	}



	if ((cmode == MV88E6XXX_PORT_STS_CMODE_100BASE_X) ||

	    (cmode == MV88E6XXX_PORT_STS_CMODE_1000BASE_X) ||

	    (cmode == MV88E6XXX_PORT_STS_CMODE_SGMII)) {

	    (cmode == MV88E6XXX_PORT_STS_CMODE_SGMII))

		return 1;



	return 0;

}



int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, bool on)

{

	int err;



	if (mv88e6352_port_has_serdes(chip, port)) {

		err = mv88e6352_serdes_power_set(chip, on);

		if (err < 0)

			return err;