Messages in this thread Patch in this message | | | From | Vivien Didelot <> | Subject | [PATCH net-next 2/5] net: dsa: mv88e6xxx: helper to setup upstream port | Date | Mon, 4 Dec 2017 12:34:54 -0500 |
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Add a helper function to setup the upstream port of a given port.
This is the port used to reach the dedicated CPU port. This function will be extended later to setup the global upstream port as well.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> --- drivers/net/dsa/mv88e6xxx/chip.c | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 15475dbb738b..3dce1ab19582 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1743,6 +1743,22 @@ static int mv88e6xxx_serdes_power(struct mv88e6xxx_chip *chip, int port, return 0; } +static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port) +{ + struct dsa_switch *ds = chip->ds; + int upstream_port = dsa_upstream_port(ds); + int err; + + if (chip->info->ops->port_set_upstream_port) { + err = chip->info->ops->port_set_upstream_port(chip, port, + upstream_port); + if (err) + return err; + } + + return 0; +} + static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port) { struct dsa_switch *ds = chip->ds; @@ -1813,13 +1829,9 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port) if (err) return err; - reg = 0; - if (chip->info->ops->port_set_upstream_port) { - err = chip->info->ops->port_set_upstream_port( - chip, port, dsa_upstream_port(ds)); - if (err) - return err; - } + err = mv88e6xxx_setup_upstream_port(chip, port); + if (err) + return err; err = mv88e6xxx_port_set_8021q_mode(chip, port, MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED); -- 2.15.1
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