diff options
| author | Vivien Didelot <vivien.didelot@savoirfairelinux.com> | 2017-03-11 16:12:47 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-12 23:54:04 -0700 |
| commit | 4d294af2cd932e0c1b2534137b143920c17dffd6 (patch) | |
| tree | dbc5239e30441b9f62b5d2bbdb18d1595144f1d9 /drivers | |
| parent | 0f230ca9407037ee00205fae1ada8a6cd06ddda2 (diff) | |
| download | linux-stable-4d294af2cd932e0c1b2534137b143920c17dffd6.tar.gz linux-stable-4d294af2cd932e0c1b2534137b143920c17dffd6.tar.bz2 linux-stable-4d294af2cd932e0c1b2534137b143920c17dffd6.zip | |
net: dsa: mv88e6xxx: add port mask helper
Add a mv88e6xxx_port_mask() helper to get the bitmask of ports in a
switch chip, that will be used in several features.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 5 | ||||
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/port.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h index 6033f2f6260a..166b513ff751 100644 --- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h +++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h @@ -944,6 +944,11 @@ static inline unsigned int mv88e6xxx_num_ports(struct mv88e6xxx_chip *chip) return chip->info->num_ports; } +static inline u16 mv88e6xxx_port_mask(struct mv88e6xxx_chip *chip) +{ + return GENMASK(mv88e6xxx_num_ports(chip) - 1, 0); +} + int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val); int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val); int mv88e6xxx_update(struct mv88e6xxx_chip *chip, int addr, int reg, diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 8875784c4718..9bb0f2134cba 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -539,7 +539,7 @@ int mv88e6351_port_set_egress_unknowns(struct mv88e6xxx_chip *chip, int port, int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map) { - const u16 mask = GENMASK(mv88e6xxx_num_ports(chip) - 1, 0); + const u16 mask = mv88e6xxx_port_mask(chip); u16 reg; int err; |