diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2016-11-21 23:27:01 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-22 09:55:30 -0500 |
| commit | de2273876e3fb5a5a62cc538936d06b014b06eda (patch) | |
| tree | 4067ba91400014a3db22cda7c4b6d32c1c965b41 /drivers/net/dsa/mv88e6xxx/global1.c | |
| parent | 795234739105381afd813ca7a0298b9c293f2765 (diff) | |
net: dsa: mv88e6xxx: Add mv88e6390 statistics unit init
The statistics unit on the mv88e6390 needs the histogram mode to be
configured in a different register compared to other devices. Add an
ops to do this.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
v2:
Rename to mv88e6390_g1_stats_set_histogram
Move into global1.c
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/global1.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/global1.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c index a3a441f9c458..fda8b3c7adad 100644 --- a/drivers/net/dsa/mv88e6xxx/global1.c +++ b/drivers/net/dsa/mv88e6xxx/global1.c @@ -33,6 +33,26 @@ int mv88e6xxx_g1_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask) return mv88e6xxx_wait(chip, chip->info->global1_addr, reg, mask); } +/* Offset 0x1c: Global Control 2 */ + +int mv88e6390_g1_stats_set_histogram(struct mv88e6xxx_chip *chip) +{ + u16 val; + int err; + + err = mv88e6xxx_g1_read(chip, GLOBAL_CONTROL_2, &val); + if (err) + return err; + + val |= GLOBAL_CONTROL_2_HIST_RX_TX; + + err = mv88e6xxx_g1_write(chip, GLOBAL_CONTROL_2, val); + + return err; +} + +/* Offset 0x1d: Statistics Operation 2 */ + static int mv88e6xxx_g1_stats_wait(struct mv88e6xxx_chip *chip) { return mv88e6xxx_g1_wait(chip, GLOBAL_STATS_OP, GLOBAL_STATS_OP_BUSY); |