diff options
| author | Tobias Waldekranz <tobias@waldekranz.com> | 2021-04-21 14:04:54 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-21 10:25:09 -0700 |
| commit | 836021a2d0e0e4c90b895a35bd9c0342071855fb (patch) | |
| tree | 0806b992d88b6f127af8b71d009c77128502c848 /drivers/net/dsa/mv88e6xxx/global2.c | |
| parent | 281140a0a2ce4febf2c0ce5d29d0e7d961a826b1 (diff) | |
net: dsa: mv88e6xxx: Export cross-chip PVT as devlink region
Export the raw PVT data in a devlink region so that it can be
inspected from userspace and compared to the current bridge
configuration.
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/global2.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/global2.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c index da8bac8813e1..fa65ecd9cb85 100644 --- a/drivers/net/dsa/mv88e6xxx/global2.c +++ b/drivers/net/dsa/mv88e6xxx/global2.c @@ -239,6 +239,23 @@ static int mv88e6xxx_g2_pvt_op(struct mv88e6xxx_chip *chip, int src_dev, return mv88e6xxx_g2_pvt_op_wait(chip); } +int mv88e6xxx_g2_pvt_read(struct mv88e6xxx_chip *chip, int src_dev, + int src_port, u16 *data) +{ + int err; + + err = mv88e6xxx_g2_pvt_op_wait(chip); + if (err) + return err; + + err = mv88e6xxx_g2_pvt_op(chip, src_dev, src_port, + MV88E6XXX_G2_PVT_ADDR_OP_READ); + if (err) + return err; + + return mv88e6xxx_g2_read(chip, MV88E6XXX_G2_PVT_DATA, data); +} + int mv88e6xxx_g2_pvt_write(struct mv88e6xxx_chip *chip, int src_dev, int src_port, u16 data) { |